AzTrials
AzTrials

Neoplasms, ProstatePhase 3REDUCENCT00056407

"REDUCE" - A Clinical Research Study To Reduce The Incidence Of Prostate Cancer In Men Who Are At Increased Risk

A Phase 3 study testing Dutasteride in people with Neoplasms, Prostate, run by GlaxoSmithKline at 932 sites in 43 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

This 4-year study will compare how safe and effective an oral investigational medicine is (compared to placebo) in preventing the development of prostate cancer in men that are defined by the study entrance criteria as being at an increased risk for prostate cancer. Read more about this study

Who is it for?
Ages 50 to 75 years, men only
Conditions the study is for
Neoplasms, Prostate
What is being tested?
Dutasteride
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
8,231 participants
Where
932 sitesin 43 countries
Study dates
Mar 2003to Apr 2009
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 50 to 75 years
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Informed consent to participate in study.
  • Have had a single negative prostate biopsy within 6 months prior to enrollment in study.
  • Have a PSA (prostate specific antigen) between 2.5 and 10 if 50-60 years of age; or a PSA between 3.0 and 10 if over age 60.
  • Ability and will to participate in study for 4 years.

Who cannot join

  • More than one previous negative prostate biopsy.
  • History of prostate cancer.
  • Previous prostate surgery.
  • Inability to urinate requiring the need of a catheter during the previous 2 years.
  • Any condition (other than benign prostatic hypertrophy) which may result in urinary symptoms or changes in urine flow rate.
  • Cancer within previous 5 years (other than basal or squamous cell cancers of the skin).
  • Any unstable serious medical condition.
  • Use within the past 12 months of finasteride (Proscar or Propecia), dutasteride (Avodart), testosterone, or drugs that can block the action of male hormones.

Trial locations and contacts

932 sites in 43 countries.

932 sites in 43 countries

United States297 sites
  • GSK Investigational Site

    Albany, New York, 12208

  • GSK Investigational Site

    Alexandria, Virginia, 22302

  • GSK Investigational Site

    Amarillo, Texas, 79106

  • GSK Investigational Site

    Anaheim, California, 92801

  • GSK Investigational Site

    Anchorage, Alaska, 99508

  • GSK Investigational Site

    Ann Arbor, Michigan, 48106

  • GSK Investigational Site

    Annapolis, Maryland, 21401

  • GSK Investigational Site

    Arlington, Texas, 76017

  • GSK Investigational Site

    Atherton, California, 94027

  • GSK Investigational Site

    Atlanta, Georgia, 30308

  • GSK Investigational Site

    Atlanta, Georgia, 30309

  • GSK Investigational Site

    Atlanta, Georgia, 30342

  • GSK Investigational Site

    Augusta, Georgia, 30912

  • GSK Investigational Site

    Aurora, Colorado, 80010

  • GSK Investigational Site

    Aurora, Colorado, 80012

  • GSK Investigational Site

    Austin, Texas, 78757

  • GSK Investigational Site

    Aventura, Florida, 33180

  • GSK Investigational Site

    Bala-Cynwyd, Pennsylvania, 19004

  • GSK Investigational Site

    Baltimore, Maryland, 21201

  • GSK Investigational Site

    Billings, Montana, 59102

  • GSK Investigational Site

    Binghamton, New York, 13901

  • GSK Investigational Site

    Birmingham, Alabama, 35209

  • GSK Investigational Site

    Bismarck, North Dakota, 58501

  • GSK Investigational Site

    Boston, Massachusetts, 02115

  • GSK Investigational Site

    Braintree, Massachusetts, 02184

  • GSK Investigational Site

    Brooklyn, New York, 11234

  • GSK Investigational Site

    Bryn Mawr, Pennsylvania, 19010

  • GSK Investigational Site

    Camp Hill, Pennsylvania, 17011

  • GSK Investigational Site

    Cary, North Carolina, 27511

  • GSK Investigational Site

    Cary, North Carolina, 27518

  • GSK Investigational Site

    Chapel Hill, North Carolina, 27599-7600

  • GSK Investigational Site

    Charleston, South Carolina, 29425

  • GSK Investigational Site

    Charlotte, North Carolina, 28211

  • GSK Investigational Site

    Charlotte, North Carolina, 28262

  • GSK Investigational Site

    Charlotte, NC 28207, North Carolina, 28207

  • GSK Investigational Site

    Charlottesville, Virginia, 22911

  • GSK Investigational Site

    Chaska, Minnesota, 55318

  • GSK Investigational Site

    Cheyenne, Wyoming, 82001

  • GSK Investigational Site

    Chicago, Illinois, 60612

  • GSK Investigational Site

    Chicago, Illinois, 60616

  • GSK Investigational Site

    Chicago, Illinois, 60637

  • GSK Investigational Site

    Chicago, Illinois, 60640

  • GSK Investigational Site

    Cincinnati, Ohio, 45212

  • GSK Investigational Site

    Cincinnati, Ohio, 45219

  • GSK Investigational Site

    Clearwater, Florida, 33756

  • GSK Investigational Site

    Clearwater, Florida, 33761

  • GSK Investigational Site

    Coeur d'Alene, Idaho, 83814

  • GSK Investigational Site

    Columbus, Ohio, 43214

  • GSK Investigational Site

    Columbus, Ohio, 43220

  • GSK Investigational Site

    Columbus, Ohio, 43235

  • GSK Investigational Site

    Concord, North Carolina, 28025

  • GSK Investigational Site

    Covington, Louisiana, 70433

  • GSK Investigational Site

    Cranston, Rhode Island, 02920

  • GSK Investigational Site

    Culver City, California, 90232

  • GSK Investigational Site

    Dallas, Texas, 75216

  • GSK Investigational Site

    Dallas, Texas, 75230

  • GSK Investigational Site

    Dallas, Texas, 75231

  • GSK Investigational Site

    Dallas, Texas, 75234

  • GSK Investigational Site

    Dallas, Texas, 75235

  • GSK Investigational Site

    Delray Beach, Florida, 33484

  • GSK Investigational Site

    Denver, Colorado, 80211

  • GSK Investigational Site

    Denver, Colorado, 80220

  • GSK Investigational Site

    Detroit, Michigan, 48202

  • GSK Investigational Site

    Durham, North Carolina, 27710

  • GSK Investigational Site

    East Syracuse, New York, 13057

  • GSK Investigational Site

    Edina, Minnesota, 55435

  • GSK Investigational Site

    Edison, New Jersey, 08837

  • GSK Investigational Site

    Elmont, New York, 11003

  • GSK Investigational Site

    Elyria, Ohio, 44035

  • GSK Investigational Site

    Encino, California, 91316

  • GSK Investigational Site

    Endwell, New York, 13760

  • GSK Investigational Site

    Englewood, Colorado, 80113

  • GSK Investigational Site

    Evansville, Indiana, 47714

  • GSK Investigational Site

    Fairfax, Virginia, 22031

  • GSK Investigational Site

    Fayetteville, Georgia, 30214

  • GSK Investigational Site

    Fort Myers, Florida, 33916

  • GSK Investigational Site

    Fort Pierre, South Dakota, 57501

  • GSK Investigational Site

    Fort Wayne, Indiana, 46825

  • GSK Investigational Site

    Fort Worth, Texas, 76104

  • GSK Investigational Site

    Fort Worth, Texas, 76107

  • GSK Investigational Site

    Fountain Valley, California, 92708

  • GSK Investigational Site

    Fresno, California, 93720

  • GSK Investigational Site

    Galesburg, Illinois, 61401

  • GSK Investigational Site

    Garden City, New York, 11530

  • GSK Investigational Site

    Germantown, Tennessee, 38138

  • GSK Investigational Site

    Graham, Washington, 98338

  • GSK Investigational Site

    Great Neck, New York, 11021

  • GSK Investigational Site

    Greenbelt, Maryland, 20770

  • GSK Investigational Site

    Greensboro, North Carolina, 27403

  • GSK Investigational Site

    Greenville, North Carolina, 27834

  • GSK Investigational Site

    Greenville, South Carolina, 29650

  • GSK Investigational Site

    Greer, South Carolina, 29651

  • GSK Investigational Site

    Gretna, Louisiana, 70056

  • GSK Investigational Site

    Hackensack, New Jersey, 07601

  • GSK Investigational Site

    Harrisburg, Pennsylvania, 17110

  • GSK Investigational Site

    Harrisonburg, Virginia, 22801

  • GSK Investigational Site

    Hartford, Connecticut, 06106

  • GSK Investigational Site

    Hattiesburg, Mississippi, 39401

  • GSK Investigational Site

    Haverhill, Massachusetts, 01830

  • GSK Investigational Site

    Henderson, Nevada, 89014

  • GSK Investigational Site

    Hershey, Pennsylvania, 17033-0850

  • GSK Investigational Site

    Homewood, Alabama, 35209

  • GSK Investigational Site

    Honolulu, Hawaii, 96813

  • GSK Investigational Site

    Houma, Louisiana, 70360

  • GSK Investigational Site

    Houston, Texas, 77024

  • GSK Investigational Site

    Houston, Texas, 77030

  • GSK Investigational Site

    Huntsville, Alabama, 35801

  • GSK Investigational Site

    Indianapolis, Indiana, 46202

  • GSK Investigational Site

    Irvine, California, 92618

  • GSK Investigational Site

    Jackson, Mississippi, 39202

  • GSK Investigational Site

    Jacksonville, Florida, 32216

  • GSK Investigational Site

    Jacksonville, Florida, 32224

  • GSK Investigational Site

    Jacksonville, Florida, 32257

  • GSK Investigational Site

    Jeffersonville, Indiana, 47130

  • GSK Investigational Site

    Kankakee, Illinois, 60901

  • GSK Investigational Site

    Kansas City, Kansas, 66160

  • GSK Investigational Site

    Kansas City, Missouri, 64114

  • GSK Investigational Site

    Kettering, Ohio, 45429

  • GSK Investigational Site

    Knoxville, Tennessee, 37920

  • GSK Investigational Site

    La Mesa, California, 91942

  • GSK Investigational Site

    Lafayette, Louisiana, 70503

  • GSK Investigational Site

    Laguna Hills, California, 92653

  • GSK Investigational Site

    Lake Worth, Florida, 33461

  • GSK Investigational Site

    Lancaster, Pennsylvania, 17601

  • GSK Investigational Site

    Lancaster, Pennsylvania, 17604

  • GSK Investigational Site

    Largo, Florida, 33773

  • GSK Investigational Site

    Las Vegas, Nevada, 89106

  • GSK Investigational Site

    Las Vegas, Nevada, 89148

  • GSK Investigational Site

    Lawrencevill, New Jersey, 08648

  • GSK Investigational Site

    Lebanon, New Hampshire, 03756

  • GSK Investigational Site

    Lexington, Kentucky, 40508

  • GSK Investigational Site

    Little Rock, Arkansas, 72205

  • GSK Investigational Site

    Little Rock, Arkansas, 72211

  • GSK Investigational Site

    Long Beach, California, 90806

  • GSK Investigational Site

    Longmont, Colorado, 80501

  • GSK Investigational Site

    Longwood, Florida, 32750

  • GSK Investigational Site

    Los Angeles, California, 90024

  • GSK Investigational Site

    Los Angeles, California, 90033

  • GSK Investigational Site

    Los Angeles, California, 90048

  • GSK Investigational Site

    Los Angeles, California, 90059

  • GSK Investigational Site

    Los Angeles, California, 90073

  • GSK Investigational Site

    Madison, Wisconsin, 53715

  • GSK Investigational Site

    Margate, Florida, 33063

  • GSK Investigational Site

    Marietta, Georgia, 30060

  • GSK Investigational Site

    Marion, Ohio, 43302

  • GSK Investigational Site

    Marlton, New Jersey, 08053

  • GSK Investigational Site

    Mather, California, 95655

  • GSK Investigational Site

    Maywood, Illinois, 60153

  • GSK Investigational Site

    Mechanicsville, Virginia, 23116

  • GSK Investigational Site

    Melbourne, Florida, 32901

  • GSK Investigational Site

    Melrose Park, Illinois, 60160

  • GSK Investigational Site

    Memphis, Tennessee, 38119

  • GSK Investigational Site

    Metairie, Louisiana, 70001

  • GSK Investigational Site

    Miami, Florida, 33156

  • GSK Investigational Site

    Middlebury, Connecticut, 06762

  • GSK Investigational Site

    Milford, Massachusetts, 01757

  • GSK Investigational Site

    Milwaukee, Wisconsin, 53209

  • GSK Investigational Site

    Milwaukee, Wisconsin, 53215

  • GSK Investigational Site

    Mineola, New York, 11501

  • GSK Investigational Site

    Minneapolis, Minnesota, 55404

  • GSK Investigational Site

    Mobile, Alabama, 36608

  • GSK Investigational Site

    Monroeville, Pennsylvania, 15146

  • GSK Investigational Site

    Myrtle Beach, South Carolina, 29572

  • GSK Investigational Site

    Nashville, Tennessee, 37209

  • GSK Investigational Site

    Nashville, Tennessee, 37232-2765

  • GSK Investigational Site

    New Britain, Connecticut, 06052

  • GSK Investigational Site

    New Orleans, Louisiana, 70115

  • GSK Investigational Site

    New Orleans, Louisiana, 70119

  • GSK Investigational Site

    New Orleans, Louisiana, 70121

  • GSK Investigational Site

    New Port Richey, Florida, 34652

  • GSK Investigational Site

    New York, New York, 10016

  • GSK Investigational Site

    New York, New York, 10021

  • GSK Investigational Site

    Newport Beach, California, 92660

  • GSK Investigational Site

    Newton, Massachusetts, 2462

  • GSK Investigational Site

    Newton, Pennsylvania, 18940

  • GSK Investigational Site

    Niles, Illinois, 60714

  • GSK Investigational Site

    Norfolk, Virginia, 23502

  • GSK Investigational Site

    Ocala, Florida, 34471

  • GSK Investigational Site

    Ocala, Florida, 34474

  • GSK Investigational Site

    Okeechobee, Florida, 34972

  • GSK Investigational Site

    Oklahoma City, Oklahoma, 73112

  • GSK Investigational Site

    Omaha, Nebraska, 68114

  • GSK Investigational Site

    Omaha, Nebraska, 68131

  • GSK Investigational Site

    Orange, California, 92869

  • GSK Investigational Site

    Orange Park, Florida, 32073

  • GSK Investigational Site

    Orchard Park, New York, 14127

  • GSK Investigational Site

    Oregon City, Oregon, 97045

  • GSK Investigational Site

    Orlando, Florida, 32803

  • GSK Investigational Site

    Overland Park, Kansas, 66211

  • GSK Investigational Site

    Owings Mills, Maryland, 21117

  • GSK Investigational Site

    Panama City, Florida, 32405

  • GSK Investigational Site

    Perth Amboy, New Jersey, 08861

  • GSK Investigational Site

    Philadelphia, Pennsylvania, 19107

  • GSK Investigational Site

    Philadelphia, Pennsylvania, 19141

  • GSK Investigational Site

    Philadelphia, Pennsylvania, 19144

  • GSK Investigational Site

    Philadelphia, Pennsylvania, 19152

  • GSK Investigational Site

    Phoenix, Arizona, 85014

  • GSK Investigational Site

    Phoenix, Arizona, 85023

  • GSK Investigational Site

    Phoenix, Arizona, 85032

  • GSK Investigational Site

    Pico Rivera, California, 90660

  • GSK Investigational Site

    Pittsburgh, Pennsylvania, 15215

  • GSK Investigational Site

    Pittsburgh, Pennsylvania, 15232

  • GSK Investigational Site

    Plantation, Florida, 33317

  • GSK Investigational Site

    Poca City, Oklahoma, 74601

  • GSK Investigational Site

    Portland, Oregon, 97205

  • GSK Investigational Site

    Portland, Oregon, 97210

  • GSK Investigational Site

    Portland, Oregon, 97213

  • GSK Investigational Site

    Poughkeepsie, New York, 12601

  • GSK Investigational Site

    Poway, California, 92064

  • GSK Investigational Site

    Providence, Rhode Island, 02904

  • GSK Investigational Site

    Raleigh, North Carolina, 27607

  • GSK Investigational Site

    Raleigh, North Carolina, 27612

  • GSK Investigational Site

    Reno, Nevada, 89502

  • GSK Investigational Site

    Reno, Nevada, 89511

  • GSK Investigational Site

    Richmond, Virginia, 23249

  • GSK Investigational Site

    Rochester, Minnesota, 55905

  • GSK Investigational Site

    Rochester, New York, 14642

  • GSK Investigational Site

    Rockville, Maryland, 20850

  • GSK Investigational Site

    Rosemont, Pennsylvania, 19010

  • GSK Investigational Site

    Roswell, Georgia, 30076

  • GSK Investigational Site

    Royal Oak, Michigan, 48073

  • GSK Investigational Site

    Ruston, Louisiana, 71270

  • GSK Investigational Site

    Sacramento, California, 95816

  • GSK Investigational Site

    Saint Cloud, Minnesota, 56303

  • GSK Investigational Site

    Saint Joseph, Michigan, 49085

  • GSK Investigational Site

    Salem, Virginia, 24153

  • GSK Investigational Site

    Salinas, California, 93901

  • GSK Investigational Site

    Salt Lake City, Utah, 84107

  • GSK Investigational Site

    San Antonio, Texas, 78229

  • GSK Investigational Site

    San Bernardino, California, 92404

  • GSK Investigational Site

    San Diego, California, 92103-6204

  • GSK Investigational Site

    San Diego, California, 92103

  • GSK Investigational Site

    San Diego, California, 92120

  • GSK Investigational Site

    San Diego, California, 92128

  • GSK Investigational Site

    San Francisco, California, 94108

  • GSK Investigational Site

    San Francisco, California, 94121

  • GSK Investigational Site

    San Ramon, California, 94583

  • GSK Investigational Site

    Santa Monica, California, 90404

  • GSK Investigational Site

    Sarasota, Florida, 34237

  • GSK Investigational Site

    Scottsdale, Arizona, 85258

  • GSK Investigational Site

    Seattle, Washington, 98101

  • GSK Investigational Site

    Seattle, Washington, 98122

  • GSK Investigational Site

    Seattle, Washington, 98133

  • GSK Investigational Site

    Seattle, Washington, 98166

  • GSK Investigational Site

    Seattle, Washington, 98195

  • GSK Investigational Site

    Sellersville, Pennsylvania, 18960

  • GSK Investigational Site

    Shreveport, Louisiana, 71106

  • GSK Investigational Site

    Simpsonville, South Carolina, 29681

  • GSK Investigational Site

    South Burlington, Vermont, 05403

  • GSK Investigational Site

    South Daytona, Florida, 32119

  • GSK Investigational Site

    Spokane, Washington, 99202

  • GSK Investigational Site

    Springfield, Illinois, 62781

  • GSK Investigational Site

    Springfield, Massachusetts, 01107

  • GSK Investigational Site

    Springfield, Missouri, 65807

  • GSK Investigational Site

    Springfield, Oregon, 97477

  • GSK Investigational Site

    St Louis, Missouri, 63110-2539

  • GSK Investigational Site

    St Louis, Missouri, 63136

  • GSK Investigational Site

    St Louis, Missouri, 63141

  • GSK Investigational Site

    St. Petersburg, Florida, 33703

  • GSK Investigational Site

    Stanford, California, 94305

  • GSK Investigational Site

    State College, Pennsylvania, 16801

  • GSK Investigational Site

    Staten Island, New York, 10304

  • GSK Investigational Site

    Stuart, Florida, 34996

  • GSK Investigational Site

    Sun City, Arizona, 85375

  • GSK Investigational Site

    Syracuse, New York, 13210

  • GSK Investigational Site

    Tacoma, Washington, 98405

  • GSK Investigational Site

    Tacoma, Washington, 98431

  • GSK Investigational Site

    Tacoma, Washington, 98499

  • GSK Investigational Site

    Tallahassee, Florida, 32308

  • GSK Investigational Site

    Tamarac, Florida, 33321

  • GSK Investigational Site

    Temecula, California, 92591

  • GSK Investigational Site

    Texarkana, Texas, 75503

  • GSK Investigational Site

    The Bronx, New York, 10467

  • GSK Investigational Site

    Torrance, California, 90505

  • GSK Investigational Site

    Towson, Maryland, 21204

  • GSK Investigational Site

    Trumbull, Connecticut, 06611

  • GSK Investigational Site

    Tucson, Arizona, 85710

  • GSK Investigational Site

    Tucson, Arizona, 85712

  • GSK Investigational Site

    Tulsa, Oklahoma, 74146

  • GSK Investigational Site

    Upland, California, 91786

  • GSK Investigational Site

    Van Nuys, California, 91405

  • GSK Investigational Site

    Virginia Beach, Virginia, 23454

  • GSK Investigational Site

    Voorhees Township, New Jersey, 08043

  • GSK Investigational Site

    Walnut Creek, California, 94598

  • GSK Investigational Site

    Waltham, Massachusetts, 02453

  • GSK Investigational Site

    Washington D.C., District of Columbia, 20307-5001

  • GSK Investigational Site

    Watertown, Massachusetts, 02472

  • GSK Investigational Site

    West Orange, New Jersey, 07052

  • GSK Investigational Site

    West Palm Beach, Florida, 33409

  • GSK Investigational Site

    West Warwick, Rhode Island, 02893

  • GSK Investigational Site

    West Yarmouth, Massachusetts, 02673

  • GSK Investigational Site

    Westchester, California, 90045

  • GSK Investigational Site

    Wichita, Kansas, 67208

  • GSK Investigational Site

    Winston-Salem, North Carolina, 27103

  • GSK Investigational Site

    Wocester, Massachusetts, 01608

  • GSK Investigational Site

    Woodstock, Georgia, 30189

  • GSK Investigational Site

    Zanesville, Ohio, 43701

Other trials in United States

Germany191 sites
  • GSK Investigational Site

    Aachen, North Rhine-Westphalia, 52078

  • GSK Investigational Site

    Ahrensburg, Schleswig-Holstein, 22926

  • GSK Investigational Site

    Aichach, Bavaria, 86551

  • GSK Investigational Site

    Arnsberg, North Rhine-Westphalia, 59821

  • GSK Investigational Site

    Augsburg, Bavaria, 86156

  • GSK Investigational Site

    Backnang, Baden-Wurttemberg, 71522

  • GSK Investigational Site

    Bad Bergzaben, Rhineland-Palatinate, 76887

  • GSK Investigational Site

    Bad Doberan, Mecklenburg-Vorpommern, 18209

  • GSK Investigational Site

    Bad Ems, Rhineland-Palatinate, 56130

  • GSK Investigational Site

    Bad Griesbach, Bavaria, 94086

  • GSK Investigational Site

    Bad Homburg, Hesse, 61348

  • GSK Investigational Site

    Bad Schlema, Saxony, 08301

  • GSK Investigational Site

    Bad Schönborn, Baden-Wurttemberg, 76669

  • GSK Investigational Site

    Bad Schwartau, Schleswig-Holstein, 23611

  • GSK Investigational Site

    Bamberg, Bavaria, 96047

  • GSK Investigational Site

    Bautzen, Saxony, 02625

  • GSK Investigational Site

    Berlin, State of Berlin, 10117

  • GSK Investigational Site

    Berlin, State of Berlin, 10249

  • GSK Investigational Site

    Berlin, State of Berlin, 10365

  • GSK Investigational Site

    Berlin, State of Berlin, 10369

  • GSK Investigational Site

    Berlin, State of Berlin, 10713

  • GSK Investigational Site

    Berlin, State of Berlin, 10719

  • GSK Investigational Site

    Berlin, State of Berlin, 10787

  • GSK Investigational Site

    Berlin, State of Berlin, 12099

  • GSK Investigational Site

    Berlin, State of Berlin, 12107

  • GSK Investigational Site

    Berlin, State of Berlin, 12627

  • GSK Investigational Site

    Berlin, State of Berlin, 12687

  • GSK Investigational Site

    Berlin, State of Berlin, 13187

  • GSK Investigational Site

    Berlin, State of Berlin, 13507

  • GSK Investigational Site

    Berlin, State of Berlin, 14057

  • GSK Investigational Site

    Bocholt, North Rhine-Westphalia, 46399

  • GSK Investigational Site

    Bonn, North Rhine-Westphalia, 53177

  • GSK Investigational Site

    Borken, North Rhine-Westphalia, 46325

  • GSK Investigational Site

    Braunschweig, Lower Saxony, 38100

  • GSK Investigational Site

    Braunschweig, Lower Saxony, 38120

  • GSK Investigational Site

    Bremervörde, Lower Saxony, 27432

  • GSK Investigational Site

    Bruchsal, Baden-Wurttemberg, 76646

  • GSK Investigational Site

    Buchholz, Lower Saxony, 21244

  • GSK Investigational Site

    Buxtehude, Lower Saxony, 21614

  • GSK Investigational Site

    Chemnitz, Saxony, 09119

  • GSK Investigational Site

    Chemnitz, Saxony, 09126

  • GSK Investigational Site

    Cologne, North Rhine-Westphalia, 50969

  • GSK Investigational Site

    Dachau, Bavaria, 85221

  • GSK Investigational Site

    Dessau, Saxony-Anhalt, 06842

  • GSK Investigational Site

    Dessau, Saxony-Anhalt, 06844

  • GSK Investigational Site

    Dierdorf, Rhineland-Palatinate, 56269

  • GSK Investigational Site

    Döbeln, Saxony, 04720

  • GSK Investigational Site

    Dortmund, North Rhine-Westphalia, 44137

  • GSK Investigational Site

    Dresden, Saxony, 01307

  • GSK Investigational Site

    Dresden, Saxony, 01324

  • GSK Investigational Site

    Duisburg, North Rhine-Westphalia, 47051

  • GSK Investigational Site

    Duisburg, North Rhine-Westphalia, 47179

  • GSK Investigational Site

    Duisburg, North Rhine-Westphalia, 47198

  • GSK Investigational Site

    Dülmen, North Rhine-Westphalia, 48249

  • GSK Investigational Site

    Düsseldorf, North Rhine-Westphalia, 40211

  • GSK Investigational Site

    Düsseldorf, North Rhine-Westphalia, 40229

  • GSK Investigational Site

    Düsseldorf, North Rhine-Westphalia, 40470

  • GSK Investigational Site

    Ebersberg, Bavaria, 85560

  • GSK Investigational Site

    Eisleben Lutherstadt, Saxony-Anhalt, 06295

  • GSK Investigational Site

    Erkrath, North Rhine-Westphalia, 40699

  • GSK Investigational Site

    Essen, North Rhine-Westphalia, 45127

  • GSK Investigational Site

    Essen, North Rhine-Westphalia, 45130

  • GSK Investigational Site

    Esslingen am Neckar, Baden-Wurttemberg, 73728

  • GSK Investigational Site

    Flensburg, Schleswig-Holstein, 24944

  • GSK Investigational Site

    Forchheim, Bavaria, 91301

  • GSK Investigational Site

    Frankfurt am Main, Hesse, 60326

  • GSK Investigational Site

    Frankfurt am Main, Hesse, 60594

  • GSK Investigational Site

    Frankfurt am Main, Hesse, 65929

  • GSK Investigational Site

    Frankfurt am Main, Hesse, 65933

  • GSK Investigational Site

    Freiburg im Breisgau, Baden-Wurttemberg, 79106

  • GSK Investigational Site

    Fürth, Bavaria, 90762

  • GSK Investigational Site

    Ganderkesee, Lower Saxony, 27777

  • GSK Investigational Site

    Gardelegen, Saxony-Anhalt, 39638

  • GSK Investigational Site

    Garmisch-Partenkirchen, Bavaria, 82467

  • GSK Investigational Site

    Gelsenkirchen, North Rhine-Westphalia, 45883

  • GSK Investigational Site

    Gelsenkirchen, North Rhine-Westphalia, 45894

  • GSK Investigational Site

    Gera, Thuringia, 07546

  • GSK Investigational Site

    Gotha, Thuringia, 99867

  • GSK Investigational Site

    Göttingen, Lower Saxony, 37073

  • GSK Investigational Site

    Grimma, Saxony, 04668

  • GSK Investigational Site

    Günzburg, Bavaria, 89312

  • GSK Investigational Site

    Hagenow, Brandenburg, 19230

  • GSK Investigational Site

    Halle, Saxony-Anhalt, 06132

  • GSK Investigational Site

    Hamburg, Free and Hanseatic City of Hamburg, 21029

  • GSK Investigational Site

    Hamburg, Free and Hanseatic City of Hamburg, 22299

  • GSK Investigational Site

    Hamburg, Free and Hanseatic City of Hamburg, 22303

  • GSK Investigational Site

    Hamburg, Free and Hanseatic City of Hamburg, 22459

  • GSK Investigational Site

    Hamburg, Free and Hanseatic City of Hamburg, 22587

  • GSK Investigational Site

    Hamburg, Free and Hanseatic City of Hamburg, 22767

  • GSK Investigational Site

    Hemmoor, Schleswig-Holstein, 21745

  • GSK Investigational Site

    Hennigsdorf, Brandenburg, 16761

  • GSK Investigational Site

    Herzogenaurach, Bavaria, 91074

  • GSK Investigational Site

    Hettstedt, Saxony-Anhalt, 06333

  • GSK Investigational Site

    Hildesheim, Lower Saxony, 31134

  • GSK Investigational Site

    Höchberg, Bavaria, 97204

  • GSK Investigational Site

    Hochheim am Main, Hesse, 65239

  • GSK Investigational Site

    Holzminden, Lower Saxony, 37603

  • GSK Investigational Site

    Homburg, Saarland, 66424

  • GSK Investigational Site

    Husum, Schleswig-Holstein, 25813

  • GSK Investigational Site

    Ilmenau, Thuringia, 98693

  • GSK Investigational Site

    Itzehoe, Schleswig-Holstein, 25524

  • GSK Investigational Site

    Kamp-Lintfort, North Rhine-Westphalia, 47475

  • GSK Investigational Site

    Kelheim, Bavaria, 93309

  • GSK Investigational Site

    Kelkheim, Hesse, 65779

  • GSK Investigational Site

    Kempen, North Rhine-Westphalia, 47906

  • GSK Investigational Site

    Kiel, Schleswig-Holstein, 24143

  • GSK Investigational Site

    Kleinblittersdorf, Baden-Wurttemberg, 66271

  • GSK Investigational Site

    Koblenz, Rhineland-Palatinate, 56068

  • GSK Investigational Site

    Königsbrunn, Bavaria, 86343

  • GSK Investigational Site

    Königswinter, North Rhine-Westphalia, 53639

  • GSK Investigational Site

    Krefeld, North Rhine-Westphalia, 47799

  • GSK Investigational Site

    Krefeld, North Rhine-Westphalia, 47805

  • GSK Investigational Site

    Langenfeld, North Rhine-Westphalia, 40764

  • GSK Investigational Site

    Lauenburg, Schleswig-Holstein, 21481

  • GSK Investigational Site

    Leer, Lower Saxony, 26789

  • GSK Investigational Site

    Leipzig, Saxony, 04103

  • GSK Investigational Site

    Leipzig, Saxony, 04105

  • GSK Investigational Site

    Leipzig, Saxony, 04109

  • GSK Investigational Site

    Leipzig, Saxony, 04179

  • GSK Investigational Site

    Leipzig, Saxony, 04229

  • GSK Investigational Site

    Leuna, Saxony-Anhalt, 06237

  • GSK Investigational Site

    Lübeck, Schleswig-Holstein, 23552

  • GSK Investigational Site

    Lübeck, Schleswig-Holstein, 23562

  • GSK Investigational Site

    Ludwigslust, Mecklenburg-Vorpommern, 19288

  • GSK Investigational Site

    Magdeburg, Saxony-Anhalt, 39104

  • GSK Investigational Site

    Mannheim, Baden-Wurttemberg, 68307

  • GSK Investigational Site

    Marburg, Hesse, 35039

  • GSK Investigational Site

    Markkleeberg, Saxony, 04416

  • GSK Investigational Site

    Marl, North Rhine-Westphalia, 45770

  • GSK Investigational Site

    Meiningen, Thuringia, 98617

  • GSK Investigational Site

    Moers, North Rhine-Westphalia, 47445

  • GSK Investigational Site

    Mülheim, North Rhine-Westphalia, 45475

  • GSK Investigational Site

    Munich, Bavaria, 80336

  • GSK Investigational Site

    Munich, Bavaria, 80539

  • GSK Investigational Site

    Munich, Bavaria, 81927

  • GSK Investigational Site

    Naumburg, Saxony-Anhalt, 06618

  • GSK Investigational Site

    Neckargemünd, Baden-Wurttemberg, 69151

  • GSK Investigational Site

    Neumarkt in der Oberpfalz, Bavaria, 92318

  • GSK Investigational Site

    Neumünster, Schleswig-Holstein, 24534

  • GSK Investigational Site

    Neustadt, Hesse, 67434

  • GSK Investigational Site

    Neustadt, Saxony, 01844

  • GSK Investigational Site

    Nieder-Olm, Rhineland-Palatinate, 55268

  • GSK Investigational Site

    Nuremberg, Bavaria, 90402

  • GSK Investigational Site

    Nuremberg, Bavaria, 90441

  • GSK Investigational Site

    Nuremberg, Bavaria, 90482

  • GSK Investigational Site

    Nuremberg, Bavaria, 90489

  • GSK Investigational Site

    Oberhausen, North Rhine-Westphalia, 46045

  • GSK Investigational Site

    Oelsnitz, Saxony, 08606

  • GSK Investigational Site

    Offenbach, Hesse, 63067

  • GSK Investigational Site

    Oranienburg, Brandenburg, 16515

  • GSK Investigational Site

    Ostfildern, Baden-Wurttemberg, 73760

  • GSK Investigational Site

    Paderborn, North Rhine-Westphalia, 33098

  • GSK Investigational Site

    Pirna, Saxony, 01796

  • GSK Investigational Site

    Planegg, Bavaria, 82152

  • GSK Investigational Site

    Plauen, Saxony, 08523

  • GSK Investigational Site

    Plön, Schleswig-Holstein, 24306

  • GSK Investigational Site

    Pulheim, North Rhine-Westphalia, 50259

  • GSK Investigational Site

    Radebeul, Saxony, 01445

  • GSK Investigational Site

    Rheinfelden, Baden-Wurttemberg, 79618

  • GSK Investigational Site

    Ribnitz-Damgarten, Mecklenburg-Vorpommern, 18311

  • GSK Investigational Site

    Rosenheim, Bavaria, 83022

  • GSK Investigational Site

    Rostock, Mecklenburg-Vorpommern, 18069

  • GSK Investigational Site

    Rostock, Mecklenburg-Vorpommern, 18109

  • GSK Investigational Site

    Roth, Bavaria, 91154

  • GSK Investigational Site

    Salzgitter, Lower Saxony, 38226

  • GSK Investigational Site

    Schleswig, Schleswig-Holstein, 24837

  • GSK Investigational Site

    Schwarzenberg, Saxony, 08340

  • GSK Investigational Site

    Schwedt, Brandenburg, 16303

  • GSK Investigational Site

    Schwerin, Mecklenburg-Vorpommern, 19053

  • GSK Investigational Site

    Schwerin, Mecklenburg-Vorpommern, 19057

  • GSK Investigational Site

    Seligenstadt, Hesse, 63500

  • GSK Investigational Site

    Senftenberg, Brandenburg, 01968

  • GSK Investigational Site

    Starnberg, Bavaria, 82310

  • GSK Investigational Site

    Starnberg, Bavaria, 82319

  • GSK Investigational Site

    Strausberg, Brandenburg, 15344

  • GSK Investigational Site

    Vellmar, Hesse, 34246

  • GSK Investigational Site

    Waldkirch, Baden-Wurttemberg, 79183

  • GSK Investigational Site

    Waltershausen, Thuringia, 99880

  • GSK Investigational Site

    Wedel, Free and Hanseatic City of Hamburg, 22880

  • GSK Investigational Site

    Weiden, Bavaria, 92637

  • GSK Investigational Site

    Weißenburg in Bayern, Bavaria, 91781

  • GSK Investigational Site

    Weißenfels, Saxony-Anhalt, 06667

  • GSK Investigational Site

    Wertheim, Bavaria, 97877

  • GSK Investigational Site

    Wesseling, North Rhine-Westphalia, 50389

  • GSK Investigational Site

    Wiesbaden, Hesse, 65185

  • GSK Investigational Site

    Wilkau-Haßlau, Saxony, 08112

  • GSK Investigational Site

    Wismar, Mecklenburg-Vorpommern, 23970

  • GSK Investigational Site

    Wolfsburg, Lower Saxony, 38440

  • GSK Investigational Site

    Wolmirstedt, Saxony-Anhalt, 39326

  • GSK Investigational Site

    Wuppertal, North Rhine-Westphalia, 42103

  • GSK Investigational Site

    Zwickau, Saxony, 08060

Other trials in Germany

France54 sites
  • GSK Investigational Site

    Amiens, 80094

  • GSK Investigational Site

    Arcachon, 33120

  • GSK Investigational Site

    Auch, 32000

  • GSK Investigational Site

    Besançon, 25030

  • GSK Investigational Site

    Bois-Bernard, 62320

  • GSK Investigational Site

    Bordeaux, 33073

  • GSK Investigational Site

    Boujan-sur-Libron, 34760

  • GSK Investigational Site

    Cabestany, 66330

  • GSK Investigational Site

    Caen, 14050

  • GSK Investigational Site

    Cannes, 06400

  • GSK Investigational Site

    Carpentras, 84200

  • GSK Investigational Site

    Chalon-sur-Saône, 71100

  • GSK Investigational Site

    Châlons-en-Champagne, 51000

  • GSK Investigational Site

    Cholet, 49300

  • GSK Investigational Site

    Créteil, 94010

  • GSK Investigational Site

    Dijon, 21000

  • GSK Investigational Site

    Domarin, 38300

  • GSK Investigational Site

    Dunkirk, 59240

  • GSK Investigational Site

    Fourmies, 59611

  • GSK Investigational Site

    Grande-Synthe, 59760

  • GSK Investigational Site

    Guilherand-Granges, 07500

  • GSK Investigational Site

    Le Havre, 76600

  • GSK Investigational Site

    Le Raincy, 93340

  • GSK Investigational Site

    Lille, 59037

  • GSK Investigational Site

    Longjumeau, 91161

  • GSK Investigational Site

    Lyon, 69437

  • GSK Investigational Site

    Marseille, 13008

  • GSK Investigational Site

    Marseille, 13274

  • GSK Investigational Site

    Montauban, 82000

  • GSK Investigational Site

    Montpellier, 34000

  • GSK Investigational Site

    Nîmes, 30900

  • GSK Investigational Site

    Orléans, 45100

  • GSK Investigational Site

    Orsay, 91401

  • GSK Investigational Site

    Paris, 75475

  • GSK Investigational Site

    Paris, 75877

  • GSK Investigational Site

    Pau, 64000

  • GSK Investigational Site

    Pierre-Bénite, 69495

  • GSK Investigational Site

    Ploemeur, 56270

  • GSK Investigational Site

    Poitiers, 86021

  • GSK Investigational Site

    Reims, 51100

  • GSK Investigational Site

    Rouen, 76000

  • GSK Investigational Site

    Saint-Cyr-sur-Loire, 37540

  • GSK Investigational Site

    Saint-Etienne, 42000

  • GSK Investigational Site

    Saint-Etienne, 42013

  • GSK Investigational Site

    Saint-Grégoire, 35760

  • GSK Investigational Site

    Saint-Martin-d'Hères, 38400

  • GSK Investigational Site

    Saint-Nazaire, 44600

  • GSK Investigational Site

    Saint-Quentin, 02321

  • GSK Investigational Site

    Suresnes, 92151

  • GSK Investigational Site

    Toulouse, 31403

  • GSK Investigational Site

    Tours, 37000

  • GSK Investigational Site

    Tours, 37044

  • GSK Investigational Site

    Troyes, 10000

  • GSK Investigational Site

    Vannes, 56000

Other trials in France

United Kingdom49 sites
  • GSK Investigational Site

    Aberdeen, Aberdeenshire, AB25 2ZD

  • GSK Investigational Site

    Ayr, Ayrshire, KA6 6DX

  • GSK Investigational Site

    Bath, Somerset, BA1 1BX

  • GSK Investigational Site

    Birmingham, Warwickshire, B9 5SS

  • GSK Investigational Site

    Bradford, BD5 0NA

  • GSK Investigational Site

    Bristol, Gloucestershire, BS10 5NB

  • GSK Investigational Site

    Bristol, BS2 8HW

  • GSK Investigational Site

    Buckshaw Village, Chorley, Lancashire, PR7 7NA

  • GSK Investigational Site

    Cardiff, Glamorgan, CF14 5GJ

  • GSK Investigational Site

    Chichester, Sussex West, PO19 4SE

  • GSK Investigational Site

    Clydebank, Glasgow, G81 2DR

  • GSK Investigational Site

    Coventry, Warwickshire, CV1 2TZ

  • GSK Investigational Site

    Crewe, CW1 4QJ

  • GSK Investigational Site

    Edgbaston, Birmingham, B15 2SQ

  • GSK Investigational Site

    Edinburgh, Midlothian, EH4 2XU

  • GSK Investigational Site

    Exeter, Devon, EX2 5DW

  • GSK Investigational Site

    Falkirk, FK1 5QE

  • GSK Investigational Site

    Glasgow, Lanarkshire, G51 4TF

  • GSK Investigational Site

    Lancs, Lancashire, PR7 1PP

  • GSK Investigational Site

    Leeds, LS9 7TF

  • GSK Investigational Site

    Leicester, Leicestershire, LE5 4PW

  • GSK Investigational Site

    Leytonstone, London, E11 1NR

  • GSK Investigational Site

    Liverpool, Merseyside, L1 9AD

  • GSK Investigational Site

    Liverpool, Merseyside, L7 8XP

  • GSK Investigational Site

    London, EC1 7BE

  • GSK Investigational Site

    London, NW3 2QG

  • GSK Investigational Site

    London, SW17 0QT

  • GSK Investigational Site

    London, W1P 7PN

  • GSK Investigational Site

    Manchester, Lancashire, M41 5SL

  • GSK Investigational Site

    Manchester, Lancashire, M8 5RB

  • GSK Investigational Site

    Manchester, M15 6SX

  • GSK Investigational Site

    Newcastle upon Tyne, Northumberland, NE7 7DN

  • GSK Investigational Site

    Norwich, Norfolk, NR4 7FP

  • GSK Investigational Site

    Nottingham, Nottinghamshire, NG5 1PB

  • GSK Investigational Site

    Oldham, Lancashire, OL1 2JH

  • GSK Investigational Site

    Plymouth, Devon, PL6 8DH

  • GSK Investigational Site

    Portsmouth, Hampshire, PO3 6AD

  • GSK Investigational Site

    Reading, Berkshire, RG2 0TG

  • GSK Investigational Site

    Redhill, Surrey, RH1 5RH

  • GSK Investigational Site

    Sheffield, S10 2JF

  • GSK Investigational Site

    Southampton, Hampshire, SO16 6YD

  • GSK Investigational Site

    Stevenage, Hertfordshire, SG2 4AB

  • GSK Investigational Site

    Stockport, Cheshire, SK2 7JE

  • GSK Investigational Site

    Stoke-on-Trent, Staffordshire, ST4 6QG

  • GSK Investigational Site

    Tauton, Somerset, TA1 5DA

  • GSK Investigational Site

    Torquay, TQ2 7AA

  • GSK Investigational Site

    Wakefield, WF1 4DG

  • GSK Investigational Site

    Waterloo, Liverpool, L22 0LG

  • GSK Investigational Site

    Wolverhampton, WV10 9RU

Other trials in United Kingdom

Spain47 sites
  • GSK Investigational Site

    Alava, 01004

  • GSK Investigational Site

    Alcala de Henares (Madrid)

  • GSK Investigational Site

    Alcorcón, 28922

  • GSK Investigational Site

    Badalona, 08916

  • GSK Investigational Site

    Barcelona, 08003

  • GSK Investigational Site

    Barcelona, 08024

  • GSK Investigational Site

    Barcelona, 08025

  • GSK Investigational Site

    Barcelona, 08035

  • GSK Investigational Site

    Barcelona, 08036

  • GSK Investigational Site

    Barcelona, 8907

  • GSK Investigational Site

    Bilbao, 48013

  • GSK Investigational Site

    Castellon, 12004

  • GSK Investigational Site

    Ciudad Real, 13600

  • GSK Investigational Site

    Don Benito (Badajoz), 06400

  • GSK Investigational Site

    Donostia / San Sebastian, 20014

  • GSK Investigational Site

    Galdakano, 48960

  • GSK Investigational Site

    Granada, 18012

  • GSK Investigational Site

    Ibiza Town, 07800

  • GSK Investigational Site

    Jaén, 27007

  • GSK Investigational Site

    La Laguna (Santa Cruz de Tenerife), 38320

  • GSK Investigational Site

    Leganés

  • GSK Investigational Site

    Logroño, 26006

  • GSK Investigational Site

    Madrid, 28003

  • GSK Investigational Site

    Madrid, 28006

  • GSK Investigational Site

    Madrid, 28007

  • GSK Investigational Site

    Madrid, 28010

  • GSK Investigational Site

    Madrid, 28034

  • GSK Investigational Site

    Madrid, 28040

  • GSK Investigational Site

    Madrid, 28047

  • GSK Investigational Site

    Málaga, 29010

  • GSK Investigational Site

    Manacor, 07500

  • GSK Investigational Site

    Orihuela

  • GSK Investigational Site

    Oviedo, 33006

  • GSK Investigational Site

    Pamplona, 31008

  • GSK Investigational Site

    Sagunto, 46520

  • GSK Investigational Site

    Sant Joan d'Alacant, 3550

  • GSK Investigational Site

    Santa Cruz de Tenerife, 38010

  • GSK Investigational Site

    Seville, 41013

  • GSK Investigational Site

    Seville, 41014

  • GSK Investigational Site

    Seville, 41018

  • GSK Investigational Site

    Seville, 41071

  • GSK Investigational Site

    Soria, 42002

  • GSK Investigational Site

    Valencia, 46009

  • GSK Investigational Site

    Valencia, 46010

  • GSK Investigational Site

    Valencia, 46014

  • GSK Investigational Site

    Valladolid, 47012

  • GSK Investigational Site

    Via-Real (Castellón), 12540

Other trials in Spain

Canada42 sites
  • GSK Investigational Site

    Barrie, Ontario, L4M 7G1

  • GSK Investigational Site

    Burlington, Ontario, L7N 3V2

  • GSK Investigational Site

    Burlington, Ontario, L7S 1V2

  • GSK Investigational Site

    Calgary, Alberta, T2V 4R6

  • GSK Investigational Site

    Chicoutimi, Quebec, G7H 4A3

  • GSK Investigational Site

    Edmonton, Alberta, T5H 4B9

  • GSK Investigational Site

    Fredericton, New Brunswick, E3B 5B8

  • GSK Investigational Site

    Granby, Quebec, J2G 8Z9

  • GSK Investigational Site

    Greenfield Park, Quebec, J4V 2H3

  • GSK Investigational Site

    Halifax, Nova Scotia, B3H 1Y6

  • GSK Investigational Site

    Kelowna, British Columbia, V1Y 2H4

  • GSK Investigational Site

    Kingston, Ontario, K7L 2V7

  • GSK Investigational Site

    Kitchener, Ontario, N2N 2B9

  • GSK Investigational Site

    Laval, Quebec, H7G 2E6

  • GSK Investigational Site

    Markham, Ontario, L6B 1A1

  • GSK Investigational Site

    Miramichi, New Brunswick, E1V 1N9

  • GSK Investigational Site

    Montreal, Quebec, H1T 2M4

  • GSK Investigational Site

    Montreal, Quebec, H2L 4M1

  • GSK Investigational Site

    Montreal, Quebec, H2X 3J4

  • GSK Investigational Site

    Montreal, Quebec, H3A 1A1

  • GSK Investigational Site

    Montreal, Quebec, H3S 1Z1

  • GSK Investigational Site

    Montreal, Quebec, H4A 1S9

  • GSK Investigational Site

    Newmarket, Ontario, L3X 1W1

  • GSK Investigational Site

    Niagara Falls, Ontario, L2E 6A6

  • GSK Investigational Site

    North Bay, Ontario, P1B 7K8

  • GSK Investigational Site

    North York, Ontario, M3B 3P1

  • GSK Investigational Site

    Oakville, Ontario, L6H 3P1

  • GSK Investigational Site

    Orillia, Ontario, L3V 7V1

  • GSK Investigational Site

    Pointe-Claire, Quebec, H9R 4S3

  • GSK Investigational Site

    Québec, Quebec, G1R 2J6

  • GSK Investigational Site

    Richmond Hill, Ontario, L4C 1T6

  • GSK Investigational Site

    Saint John, New Brunswick, E2L 3J8

  • GSK Investigational Site

    Surrey, British Columbia, V3V 1N1

  • GSK Investigational Site

    Toronto, Ontario, M1S 4V5

  • GSK Investigational Site

    Toronto, Ontario, M3H 5S4

  • GSK Investigational Site

    Toronto, Ontario, M4N 3M5

  • GSK Investigational Site

    Toronto, Ontario, M5G 2M9

  • GSK Investigational Site

    Toronto, Ontario, M6A 3B5

  • GSK Investigational Site

    Trois-Rivières, Quebec, G9A 3V7

  • GSK Investigational Site

    Vancouver, British Columbia, V5Z 1M9

  • GSK Investigational Site

    Victoria, British Columbia, V8T 5G1

  • GSK Investigational Site

    Victoria, British Columbia, V8V 3N1

Other trials in Canada

Netherlands21 sites
  • GSK Investigational Site

    's-Hertogenbosch, 5232 JL

  • GSK Investigational Site

    Amsterdam, 1061 AE

  • GSK Investigational Site

    Amsterdam, 1091 AC

  • GSK Investigational Site

    Arnhem, 6815 AD

  • GSK Investigational Site

    Breda, 4819 EV

  • GSK Investigational Site

    Capelle aan den IJssel, 2906 ZC

  • GSK Investigational Site

    Ede, 6716 RP

  • GSK Investigational Site

    Eindhoven, 5623 EJ

  • GSK Investigational Site

    Harderwijk, 3844 DG

  • GSK Investigational Site

    Hengelo, 7555 DL

  • GSK Investigational Site

    Nieuwegein, 3435 CM

  • GSK Investigational Site

    Nijmegen, 6525 GA

  • GSK Investigational Site

    Nijmegen, 6532 SZ

  • GSK Investigational Site

    Roermond, 6040 AX

  • GSK Investigational Site

    Roosendaal, 4708 AE

  • GSK Investigational Site

    Rotterdam, 3015 GD

  • GSK Investigational Site

    Rotterdam, 3078 HT

  • GSK Investigational Site

    Stadskanaal, 9501 HE

  • GSK Investigational Site

    The Hague, 2512 VA

  • GSK Investigational Site

    The Hague, 2545 CH

  • GSK Investigational Site

    Tilburg, 5022 GC

Other trials in Netherlands

Poland17 sites
  • GSK Investigational Site

    Bydgoszcz, 85-094

  • GSK Investigational Site

    Bydgoszcz, 85-168

  • GSK Investigational Site

    Chęciny, 26-060

  • GSK Investigational Site

    Elblag, 82-300

  • GSK Investigational Site

    Gdansk, 80-462

  • GSK Investigational Site

    Inowrocław, 88-100

  • GSK Investigational Site

    Katowice, 40-954

  • GSK Investigational Site

    Kościerzyna, 83-400

  • GSK Investigational Site

    Krakow, 31-531

  • GSK Investigational Site

    Lublin, 20-718

  • GSK Investigational Site

    Rzeszów, 35-055

  • GSK Investigational Site

    Szczecin, 70-111

  • GSK Investigational Site

    Warsaw, 02-005

  • GSK Investigational Site

    Warsaw, 02-781

  • GSK Investigational Site

    Warsaw, 04-749

  • GSK Investigational Site

    Wejherowo, 84-200

  • GSK Investigational Site

    Wroclaw, 51-124

Other trials in Poland

Italy16 sites
  • GSK Investigational Site

    Bari, Apulia, 70124

  • GSK Investigational Site

    Cagliari, Sardinia, 09100

  • GSK Investigational Site

    Caserta, Campania, 81100

  • GSK Investigational Site

    Catania, Sicily, 95124

  • GSK Investigational Site

    Forlì, Emilia-Romagna, 47100

  • GSK Investigational Site

    Isola Della Scala (VR), Veneto, 37063

  • GSK Investigational Site

    Lanciano (CH), Abruzzo, 66034

  • GSK Investigational Site

    Milan, Lombardy, 20122

  • GSK Investigational Site

    Milan, Lombardy, 20132

  • GSK Investigational Site

    Naples, Campania, 80131

  • GSK Investigational Site

    Napoli, Veneto, 80131

  • GSK Investigational Site

    Pisa, Tuscany, 56126

  • GSK Investigational Site

    Ragusa (CT), Sicily, 97100

  • GSK Investigational Site

    Rome, Lazio, 00161

  • GSK Investigational Site

    Sassari, Sardinia, 07100

  • GSK Investigational Site

    Voghera (PV), Lombardy, 27058

Other trials in Italy

Sweden15 sites
  • GSK Investigational Site

    Borås, SE-503 32

  • GSK Investigational Site

    Eskilstuna, SE-633 40

  • GSK Investigational Site

    Gävle, SE-801 87

  • GSK Investigational Site

    Gothenburg, SE-412 55

  • GSK Investigational Site

    Gothenburg, SE-417 17

  • GSK Investigational Site

    Karlshamn, SE-374 35

  • GSK Investigational Site

    Kristianstad, SE-291 31

  • GSK Investigational Site

    Kristianstad, SE-291 85

  • GSK Investigational Site

    Malmö, SE-217 44

  • GSK Investigational Site

    Östersund, SE-831 31

  • GSK Investigational Site

    Skärholmen, SE-127 48

  • GSK Investigational Site

    Skövde, SE-541 30

  • GSK Investigational Site

    Stockholm, SE-118 83

  • GSK Investigational Site

    Umeå, SE-901 85

  • GSK Investigational Site

    Vålberg, SE-660 50

Other trials in Sweden

Greece14 sites
  • GSK Investigational Site

    Athens, 10552

  • GSK Investigational Site

    Athens, 106 82

  • GSK Investigational Site

    Athens, 10676

  • GSK Investigational Site

    Athens, 115 22

  • GSK Investigational Site

    Athens, 11526

  • GSK Investigational Site

    Athens, 18537

  • GSK Investigational Site

    Heraklion, Crete, 71110

  • GSK Investigational Site

    Ioannina, 45 500

  • GSK Investigational Site

    Larissa, 41110

  • GSK Investigational Site

    Periohi Dragana, Alexandroupolis, 68100

  • GSK Investigational Site

    Rhodes, 85100

  • GSK Investigational Site

    Rio, Patras, 265 00

  • GSK Investigational Site

    Thessaloniki, 54642

  • GSK Investigational Site

    Thessaloniki, 56429

Other trials in Greece

Belgium13 sites
  • GSK Investigational Site

    Aalst, 9300

  • GSK Investigational Site

    Antwerp, 2020

  • GSK Investigational Site

    Brussels, 1000

  • GSK Investigational Site

    Brussels, 1070

  • GSK Investigational Site

    Brussels, 1200

  • GSK Investigational Site

    Ghent, 9000

  • GSK Investigational Site

    Hasselt, 3500

  • GSK Investigational Site

    Kortrijk, 8500

  • GSK Investigational Site

    Leuven, 3000

  • GSK Investigational Site

    Mons, 7000

  • GSK Investigational Site

    Turnhout, 2300

  • GSK Investigational Site

    Wilrijk, 2610

  • GSK Investigational Site

    Yvoir, 5530

Other trials in Belgium

Finland11 sites
  • GSK Investigational Site

    Helsinki, 00029

  • GSK Investigational Site

    Helsinki, 00180

  • GSK Investigational Site

    Kuopio, 70100

  • GSK Investigational Site

    Lahti, 15850

  • GSK Investigational Site

    Lappeenranta, 53100

  • GSK Investigational Site

    Oulu, 90029

  • GSK Investigational Site

    Oulu, 90100

  • GSK Investigational Site

    Rovaniemi, 96400

  • GSK Investigational Site

    Seinäjoki, 60220

  • GSK Investigational Site

    Tampere, 33521

  • GSK Investigational Site

    Turku, 20100

Other trials in Finland

Australia10 sites
  • GSK Investigational Site

    Adelaide, South Australia, 5000

  • GSK Investigational Site

    Darlinghurst, New South Wales, 2010

  • GSK Investigational Site

    Herston, Queensland, 4029

  • GSK Investigational Site

    Kippa-Ring, Queensland, 4021

  • GSK Investigational Site

    Kogarah, New South Wales, 2217

  • GSK Investigational Site

    Mentone, Victoria, 3194

  • GSK Investigational Site

    Parkville, Victoria, 3050

  • GSK Investigational Site

    Randwick, New South Wales, 2031

  • GSK Investigational Site

    Westmead, New South Wales, 2145

  • GSK Investigational Site

    Woolloongabba, Queensland, 4102

Other trials in Australia

Mexico10 sites
  • GSK Investigational Site

    Durango, Durango, 34000

  • GSK Investigational Site

    Durango, Durango, 34027

  • GSK Investigational Site

    México, 06700

  • GSK Investigational Site

    México, 14000

  • GSK Investigational Site

    Mexico City, 06720

  • GSK Investigational Site

    Mexico City, 14000

  • GSK Investigational Site

    Puebla City, 72500

  • GSK Investigational Site

    Zapopan, Jalisco, 45170

  • GSK Investigational Site

    Zapopan, Jalisco, 45200

  • GSK Investigational Site

    Zapopan, Jalisco, Jalisco, 45100

Other trials in Mexico

Argentina9 sites
  • GSK Investigational Site

    Av Córdoba 2424, Buenos Aires, 1120

  • GSK Investigational Site

    Bahía Blanca, Buenos Aires, 8001

  • GSK Investigational Site

    Buenos Aires, C1416DRW

  • GSK Investigational Site

    Capital Federal, Buenos Aires, 1425

  • GSK Investigational Site

    Capital Federal, Buenos Aires, 1437

  • GSK Investigational Site

    Ciudad Autonoma de Buenos Aires, Buenos Aires, C1405BCH

  • GSK Investigational Site

    Córdoba, Córdoba Province, 5000

  • GSK Investigational Site

    Córdoba, Córdoba Province, 5016

  • GSK Investigational Site

    Rosario, Santa Fe Province, 2000

Other trials in Argentina

Russia9 sites
  • GSK Investigational Site

    Moscow, 105 229

  • GSK Investigational Site

    Moscow, 111 123

  • GSK Investigational Site

    Moscow, 117 049

  • GSK Investigational Site

    Moscow, 119 881

  • GSK Investigational Site

    Moscow

  • GSK Investigational Site

    Nizhny Novgorod, 603005

  • GSK Investigational Site

    Saint Petersburg, 197 089

  • GSK Investigational Site

    Saint Petersburg, 198 013

  • GSK Investigational Site

    Saratov, 410012

Other trials in Russia

South Africa9 sites
  • GSK Investigational Site

    Cape Town, 7505

  • GSK Investigational Site

    Cape Town

  • GSK Investigational Site

    Capital Park, 0002

  • GSK Investigational Site

    George, 6529

  • GSK Investigational Site

    Johannesburg, 2193

  • GSK Investigational Site

    Parktown, 2193

  • GSK Investigational Site

    Pretoria, 83

  • GSK Investigational Site

    Rosebank, Gauteng, 2196

  • GSK Investigational Site

    Westville, Durban, 3630

Other trials in South Africa

Switzerland9 sites
  • GSK Investigational Site

    Aarau, 5001

  • GSK Investigational Site

    Bern, 3000

  • GSK Investigational Site

    Biel, 2500

  • GSK Investigational Site

    Fribourg, 1700

  • GSK Investigational Site

    Geneva, 1206

  • GSK Investigational Site

    Lausanne, 1003

  • GSK Investigational Site

    Olten, 4600

  • GSK Investigational Site

    Sarnen, 6060

  • GSK Investigational Site

    Zollikon, 8702

Other trials in Switzerland

Brazil7 sites
  • GSK Investigational Site

    Belo Horizonte, Minas Gerais, 30140-073

  • GSK Investigational Site

    Porto Alegre, Rio Grande do Sul, 90035-903

  • GSK Investigational Site

    Porto Alegre, Rio Grande do Sul, 90470-340

  • GSK Investigational Site

    Ribeirão Preto, São Paulo, 14085-000

  • GSK Investigational Site

    Rio de Janeiro, Rio de Janeiro, 20 551-030

  • GSK Investigational Site

    Salvador, Estado de Bahia, 40210-341

  • GSK Investigational Site

    São Paulo, São Paulo, 04122-000

Other trials in Brazil

Japan6 sites
  • GSK Investigational Site

    Chiba, 289-2511

  • GSK Investigational Site

    Fukuoka, 810-0001

  • GSK Investigational Site

    Hokkaido, 060-8543

  • GSK Investigational Site

    Ibaraki, 305-8576

  • GSK Investigational Site

    Nagasaki, 852-8501

  • GSK Investigational Site

    Ōita, 874-0937

Other trials in Japan

New Zealand6 sites
  • GSK Investigational Site

    Auckland, 1142

  • GSK Investigational Site

    Christchurch, 8014

  • GSK Investigational Site

    Hamilton, 3204

  • GSK Investigational Site

    Nelson, 7010

  • GSK Investigational Site

    Tauranga, 3140

  • GSK Investigational Site

    Whangarei, 0112

Other trials in New Zealand

Bulgaria5 sites
  • GSK Investigational Site

    Sofia, 1000

  • GSK Investigational Site

    Sofia, 1431

  • GSK Investigational Site

    Sofia, 1606

  • GSK Investigational Site

    Sofia, 1756

  • GSK Investigational Site

    Varna, 9000

Other trials in Bulgaria

Hungary5 sites
  • GSK Investigational Site

    Budapest, 1082

  • GSK Investigational Site

    Budapest, 1204

  • GSK Investigational Site

    Győr, 9002

  • GSK Investigational Site

    Kecskemét, 6000

  • GSK Investigational Site

    Miskolc, 3501

Other trials in Hungary

Latvia5 sites
  • GSK Investigational Site

    Daugavpils, LV5403

  • GSK Investigational Site

    Riga, LV 1001

  • GSK Investigational Site

    Riga, LV 1002

  • GSK Investigational Site

    Riga, LV 1006

  • GSK Investigational Site

    Riga, LV1079

Other trials in Latvia

Lithuania5 sites
  • GSK Investigational Site

    Kaunas, LT-50009

  • GSK Investigational Site

    Šiauliai, LT-76231

  • GSK Investigational Site

    Vilnius, LT-05263

  • GSK Investigational Site

    Vilnius, LT-08660

  • GSK Investigational Site

    Vilnius, LT-08661

Other trials in Lithuania

Norway5 sites
  • GSK Investigational Site

    Arendal, N-4838

  • GSK Investigational Site

    Moelv, N-2390

  • GSK Investigational Site

    Oslo, 0257 OSLO

  • GSK Investigational Site

    Porsgrunn, N-3922

  • GSK Investigational Site

    Stavanger, N-4068

Other trials in Norway

Portugal5 sites
  • GSK Investigational Site

    Almada, 2805-267

  • GSK Investigational Site

    Amadora, 2700

  • GSK Investigational Site

    Lisbon

  • GSK Investigational Site

    Porto, 4099-004

  • GSK Investigational Site

    Porto

Other trials in Portugal

Tunisia5 sites
  • GSK Investigational Site

    Sfax, 3027

  • GSK Investigational Site

    Sousse, 4054

  • GSK Investigational Site

    Tunis, 1006

  • GSK Investigational Site

    Tunis, 1007

  • GSK Investigational Site

    Tunis, 1008

Other trials in Tunisia

Slovenia4 sites
  • GSK Investigational Site

    Celje, 3000

  • GSK Investigational Site

    Ljubljana, 1000

  • GSK Investigational Site

    Maribor, 2000

  • GSK Investigational Site

    Slovenj Gradec, 2380

Other trials in Slovenia

Turkey (Türkiye)4 sites
  • GSK Investigational Site

    Ankara

  • GSK Investigational Site

    Capa/Istanbul

  • GSK Investigational Site

    Istanbul

  • GSK Investigational Site

    Izmir

Other trials in Turkey (Türkiye)

Ukraine4 sites
  • GSK Investigational Site

    Dnipro, 49005

  • GSK Investigational Site

    Kharkiv, 61037

  • GSK Investigational Site

    Odesa, 65074

  • GSK Investigational Site

    Zaporizhzhya, 69103

Other trials in Ukraine

Austria3 sites
  • GSK Investigational Site

    Innsbruck, A-6020

  • GSK Investigational Site

    Vienna, A-1090

  • GSK Investigational Site

    Vienna, A-1180

Other trials in Austria

Denmark3 sites
  • GSK Investigational Site

    Herlev, 2730

  • GSK Investigational Site

    Middelfart, 5500

  • GSK Investigational Site

    Nakskov, 4900

Other trials in Denmark

Ireland3 sites
  • GSK Investigational Site

    Cork

  • GSK Investigational Site

    Dublin, 7

  • GSK Investigational Site

    Tallaght

Other trials in Ireland

Puerto Rico3 sites
  • GSK Investigational Site

    Ponce, Puerto Rico, 00716

  • GSK Investigational Site

    San Juan, Puerto Rico, 00909-1711

  • GSK Investigational Site

    San Juan, Puerto Rico, 00921-3201

Other trials in Puerto Rico

Belarus2 sites
  • GSK Investigational Site

    Minsk, 220036

  • GSK Investigational Site

    Minsk, 223052

Other trials in Belarus

Chile2 sites
  • GSK Investigational Site

    Santiago, Región Metro de Santiago

  • GSK Investigational Site

    Viña del Mar, Valparaiso

Other trials in Chile

Estonia2 sites
  • GSK Investigational Site

    Tallinn, 13419

  • GSK Investigational Site

    Tallinn

Other trials in Estonia

Slovakia2 sites
  • GSK Investigational Site

    Bratislava, 833 05

  • GSK Investigational Site

    Martin, 036 59

Other trials in Slovakia

Croatia1 site
  • GSK Investigational Site

    Zagreb, 10000

Other trials in Croatia

Romania1 site
  • GSK Investigational Site

    Bucharest

Other trials in Romania

Location not given1 site
  • GSK Investigational Site

About this study

Official title: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study of the Efficacy and Safety of Dutasteride 0.5 mg Administered Orally Once Daily for Four Years to Reduce the Risk of Biopsy-Detectable Prostate Cancer

This 4-year study will compare how safe and effective an oral investigational medicine is (compared to placebo) in preventing the development of prostate cancer in men that are defined by the study entrance criteria as being at an increased risk for prostate cancer. Study visits to the clinic will occur every 6 months for up to 4 years (10 clinic visits), and a prostate biopsy will be performed at 2 and 4 years of treatment.

Being tested
Dutasteride, Placebo
Keywords
Prostate cancer prevention, prostate, BPH, enlarged prostate, PSA, prostate cancer
Medical subject headings
Prostatic Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • DutasterideDrug

    After successful completion of the placebo run-in phase, subjects who continue to meet eligibility requirements will be randomized into the double-blind phase of the study and issued a 6-month supply of study drug. Subjects will self-administer study drug once daily dosing of 0.5mg of dutasteride orally for up to 4 years.

  • PlaceboDrug

    After successful completion of the placebo run-in phase, subjects who continue to meet eligibility requirements will be randomized into the double-blind phase of the study and issued a 6-month supply of study drug. Subjects will self-administer study drug once daily orally for up to 4 years.

Study groups in NCT00056407
Study groupRoleWhat they receive
Placebo ArmPlacebo comparatorEligible subjects will complete a 4-week placebo run-in followed by randomization to matched placebo in a 1:1 ratio.
Receives: Drug: Placebo
dustasteride armExperimentalEligible subjects will complete a 4-week placebo run-in followed by randomization to 0.5mg dutasteride in a 1:1 ratio. Randomization will be stratified by center.
Receives: Drug: Dutasteride

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Participants With Biopsy-detectable Prostate Cancer at Years 2 and 4 (Crude Rate Approach)

    Study biopsies consisted of 10 biopsy samples (cores) in a pre-defined pattern. Biopsies were read at the central pathology laboratory (CPL, which processed the majority, 94%, of biopsies). Biopsy cases that were positive for prostate cancer or precancerous lesions (high-grade prostatic intraepithelial neoplasia[HGPIN] or typical small acinar proliferation [ASAP]) and prostate surgeries were reviewed by the lead pathologist.

    Measured: Years 1-2, Years 3-4, and Overall (Years 1-4)

  2. Number of Participants With Biopsy-detectable Prostate Cancer at Years 2 and 4 (Modified Crude Rate Approach)

    Study biopsies (biop.) consisted of 10 biop. samples (cores) in a pre-defined pattern and were read at the central pathology laboratory. Biop. cases that were positive for prostate cancer or precancerous lesions (HGPIN or ASAP) and prostate surgeries were reviewed by the lead pathologist. Participants included in the risk sets at Years 1-2 and Years 3-4 included those with a positive biop. at Years 1-2 or a biop. after Months 18-24, and those with a positive biop. at Years 3-4 or a biop. after Month 42, respectively. Overall included participants with a positive biop. or biop. after Month 42.

    Measured: Years 1-2, Years 3-4, and Overall (Years 1-4)

  3. Number of Participants With Biopsy-detectable Prostate Cancer at Years 2 and 4 (Restricted Crude Rate Approach)

    Study biopsies consisted of 10 biopsy samples (cores) in a pre-defined pattern. Biopsies were read at the central pathology laboratory (which processed the majority, 94%, of biopsies). Biopsy cases that were positive for prostate cancer or precancerous lesions (HGPIN or ASAP) and prostate surgeries were reviewed by the lead pathologist. Participants included in the risk set at Years 1-2, Years 3-4, and Overall (Years 1-4) were those who had a biopsy during the specified time period.

    Measured: Years 1-2, Years 3-4, and Overall (Years 1-4)

Secondary outcomes (23)
  1. Number of Participants With the Indicated Gleason Score at Diagnosis

    Gleason score was determined by examining prostate biopsies and surgical samples. The Gleason scoring system sums the two most common Gleason grade patterns in order to predict the likelihood of a participant doing well or badly with their cancer. Gleason grades range from 1 (normal) to 5 (advanced cancer). The lowest Gleason score is 2 (1+1), and the highest Gleason score is 10 (5+5). A Gleason score of 2-6 is a low-grade cancer; a Gleason score of 7-10 is high-grade cancer. The most severe high-grade cancers are the subset of Gleason scores 8-10.

    Measured: Baseline to Year 4

  2. Number of Participants With HGPIN, ASAP, and Prostate Cancer at Biopsy

    The occurrence and quantity of high-grade prostatic intraepithelial neoplasia (HGPIN) and atypical small acinar proliferation (ASAP) at biopsy were measured. HGPIN and ASAP are considered precancerous conditions. A participant diagnosed with prostate cancer only (i.e., no HGPIN or ASAP) was counted in both the first category ("HGPIN or prostate cancer diagnosis") and again in the last category ("HGPIN, ASAP, or prostate cancer diagnosis").

    Measured: Baseline to Year 4

  3. Volume of HGPIN at Biopsy

    The amount of prostate biopsy tissue with HGPIN was measured.

    Measured: Baseline to Year 4

  4. Percentage of Core Involved at Diagnosis

    The average amount of cancer seen by the pathologist in the prostate tissue samples taken during the biopsy was measured. A core is a prostate biopsy sample.

    Measured: Baseline to Year 4

  5. Number of Cancer-positive Cores

    The average number of prostate biopsy samples (cores) determined to be cancerous by the pathologist was measured. Normally, 10 cores were taken per biopsy for each participant.

    Measured: Baseline to Year 4

  6. Treatment Alteration Score

    The treatment alteration score is a measure of the cellular changes due to treatment (effect of male hormone withdrawal) on the nucleus and cytoplasm of the prostate cancer cell. The treatment alteration score is the sum of two scores (the nuclear alteration score and the cytoplasmic architectural score), each ranging from 0 to 3, with 0 indicating no change and 3 indicating severe changes.

    Measured: Baseline to Year 4

  7. Number of Participants Undergoing Intervention (Surgical and Non-surgical) for Prostate Cancer Treatment

    The number of participants who received treatment for prostate cancer was measured. Prostate cancer interventions included surgical interventions (e.g., prostatectomy, adenomectomy, transurethral resection) and non-surgical interventions (e.g., chemotherapy, hormone therapy, radiation therapy).

    Measured: Baseline to Year 4

  8. Adjusted Mean Change From Baseline in the International Prostate Symptom Score (IPSS) at Month 48

    The IPSS is a 7-item questionnaire that measures urinary symptoms. It measures the level of urinary symptoms (including incomplete emptying, frequency, intermittency, urgency, weak stream, straining, and nocturia) reported as the total IPSS score. Each of the 7 questions has a 6-point response scale (0=none/not at all to 5=almost always) with a total score that can range from 0-35: mild (0-7), moderate (8-19), or severe (20-35). Estimates are based on adjusted means from the general linear model: change from baseline = baseline value and cluster and treatment.

    Measured: Baseline to Year 4 (Month 48)

  9. Adjusted Mean Percentage Change From Baseline in Prostate Volume at Months 24 and 48

    Prostate volume was measured by transrectal ultrasound (TRUS) when biopsies were performed at Year 2 and Year 4. The investigator calculated the prostate volume using three prostate measurements (anteroposterior, cephalocaudal, and transverse diameters). Estimates are based on the adjusted means from the general linear model: log(Post-Baseline/Baseline value) = treatment and cluster and log (baseline value).

    Measured: Baseline, Month 24, and Month 48

  10. Adjusted Mean Change From Baseline in Maximum Urinary Flow (Qmax) at Months 12, 24, 36, and 48

    Maximum urinary flow was measured at selected sites using a Dantec Uroflow meter with a Thompson filter. Change from baseline was calculated as Month 12, 24, 36, and 48 values minus the baseline value. Estimates are based on the adjusted means from the general linear model: change from baseline = baseline Qmax and treatment. This measurement was performed at selected centers.

    Measured: Baseline and Months 12, 24, 36, and 48

  11. Number of Participants Starting Alpha Blockers to Control Benign Prostatic Hyperplasia (BPH) Symptoms

    Medication taken during the study, including alpha blockers, was recorded at each 6-month study visit and during phone calls that occurred 3 months after each visit.

    Measured: Years 1-2, Overall (Years 1-4)

  12. Number of Participants With at Least One Event of Acute Urinary Retention (AUR)

    A participant was considered to have AUR when he reported being unable to urinate and required catherization. Participants were asked to report any events of AUR during the study.

    Measured: Years 1-2 and Overall (Years 1-4)

  13. Number of Participants With at Least One Urinary Tract Infection (UTI)

    A participant was considered to have a UTI if the investigator noted that the participant had UTI symptoms and had been prescribed antibiotics. Participants were asked to report any events of UTI during the study.

    Measured: Years 1-2, Years 3-4, and Overall (Years 1-4)

  14. Number of Participants With Post-biopsy Macroscopic Hematuria

    Participants reported events of macroscopic hematuria (visible blood in the urine) throughout the study.

    Measured: Baseline to Year 4

  15. Number of Participants With Post-biopsy Macroscopic Hematospermia

    Participants reported events of macroscopic hematospermia (visible blood in semen) throughout the study.

    Measured: Baseline through Year 4

  16. Overall Survival

    Overall survival is assessed as the number of deaths reported throughout the study.

    Measured: From time informed consent is signed to 4-month Safety Follow-Up period

  17. Adjusted Mean Change From Baseline in the Benign Prostatic Hypertrophy (BPH) Impact Index (BII) at Month 48

    The BII is a 4-item questionnaire that rates the level of BPH-related physical discomfort, worry, and interference with normal activities the participant has experienced. The total BII score ranges from 1 (no impact on symptoms) to 13 (major impact on symptoms). Participants completed the questionnaire at Baseline and at each 6-month visit. Participants whose language did not have a validated translation of the questionnaire did not participate. Estimates are based on the adjusted means from the general linear model:change from baseline = baseline value and cluster and treatment.

    Measured: Baseline and Month 48

  18. Adjusted Mean Change From Baseline in The Medical Outcomes Study Sleep Problems Index 6-item Standard Version (MOS Sleep-6S) at Month 48

    The MOS Sleep-6S is a 6-item questionnaire measuring quality of sleep. Scores range from 1 (all of the time) to 6 (none of the time) and are converted to a 1-100 scale and then averaged; a higher score indicates greater negative impact, which indicates more sleep disturbance. Participants completed the questionnaire at Baseline and at each 6-month visit. Participants whose language did not have a validated translation of the questionnaire did not participate. Estimates are based on the adjusted means from the general linear model: change from baseline=baseline value and cluster and treatment.

    Measured: Baseline and Month 48

  19. Adjusted Mean Change From Baseline in the National Institutes of Health Chronic Prostatitis Symptom Index (NIH CPSI) at Month 48

    The NIH CSPI is a 9-item questionnaire that measures chronic prostatitis symptoms. The total score ranges from 0 to 43. A higher score indicates greater negative impact of prostatitis. Participants completed the questionnaire at Baseline and at each 6-month visit. Participants whose language did not have a validated translation of the questionnaire did not participate. Estimates are based on the adjusted means from the general linear model: change from Baseline = Baseline Value and Cluster and Treatment.

    Measured: Baseline and Month 48

  20. Adjusted Mean Change From Baseline in Quality of Life Question 8 (QOL Q8) at Month 48

    The QOL Q8 is the last question of the IPSS Questionnaire. It is a question about the participant's quality of life as it relates to prostate symptoms. Responses range from 0 (most positive) to 6 (most negative). A higher score indicates worse quality of life. Participants completed the questionnaire at Screening, Baseline, and at each 6-month visit. Estimates are based on the adjusted means from the general linear model: change from baseline = baseline value and cluster and treatment.

    Measured: Baseline and Month 48

  21. Adjusted Mean Change From Baseline in the Problem Assessment Scale of the Sexual Function Index (PASSFI) at Month 48

    The PASSFI is a 3-item questionnaire that measures sexual function. Responses range from 0 (big problem) to 4 (no problem), with a total score of 12. A higher score indicates fewer problems with sexual functioning. Participants completed the questionnaire at Baseline and then yearly . Participants whose language did not have a validated translation of the questionnaire did not participate. Estimates are based on the adjusted means from the general linear model: change from baseline = baseline value and cluster and treatment.

    Measured: Baseline and Month 48

  22. Number of Participants With the Indicated Serum Dihydrotestosterone (DHT) Concentration at Month 48

    Number of participants whose DHT, the active form of the male sex hormone testosterone, was less than 0.555 nanomoles/liter and below the level of detection at Month 48 was measured. It was measured by taking blood samples at screening and yearly thereafter.

    Measured: Month 48

  23. Mean Change From Baseline in Testosterone at Month 48

    Testosterone, a male sex hormone, was measured by taking blood samples at screening and yearly thereafter.

    Measured: Baseline and Month 48

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Mar 2003 (estimated)
  2. Study startMar 2003
  3. Primary completionJan 2009
  4. Study completionApr 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
8,231 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00056407
Sponsor's protocol ID
ARI40006
Acronym
REDUCE
Status last verified
Aug 2016
First submitted
11 Mar 2003
Last updated
23 Sep 2016
Individual data sharing
Yes: Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.

Publications

  • Kader AK, Sun J, Reck BH, Newcombe PJ, Kim ST, Hsu FC, D'Agostino RB Jr, Tao S, Zhang Z, Turner AR, Platek GT, Spraggs CF, Whittaker JC, Lane BR, Isaacs WB, Meyers DA, Bleecker ER, Torti FM, Trent JM, McConnell JD, Zheng SL, Condreay LD, Rittmaster RS, Xu J. Potential impact of adding genetic markers to clinical parameters in predicting prostate biopsy outcomes in men following an initial negative biopsy: findings from the REDUCE trial. Eur Urol. 2012 Dec;62(6):953-61. doi: 10.1016/j.eururo.2012.05.006. Epub 2012 May 12.

    PubMed 22652152
  • Aubin SM, Reid J, Sarno MJ, Blase A, Aussie J, Rittenhouse H, Rittmaster R, Andriole GL, Groskopf J. PCA3 molecular urine test for predicting repeat prostate biopsy outcome in populations at risk: validation in the placebo arm of the dutasteride REDUCE trial. J Urol. 2010 Nov;184(5):1947-52. doi: 10.1016/j.juro.2010.06.098. Epub 2010 Sep 17.

    PubMed 20850153
  • Wu C, Moreira DM, Gerber L, Rittmaster RS, Andriole GL, Freedland SJ. Diabetes and prostate cancer risk in the REDUCE trial. Prostate Cancer Prostatic Dis. 2011 Dec;14(4):326-31. doi: 10.1038/pcan.2011.28. Epub 2011 Jun 28.

    PubMed 21709690
  • Roehrborn CG, Nickel JC, Andriole GL, Gagnier RP, Black L, Wilson TH, Rittmaster RS. Dutasteride improves outcomes of benign prostatic hyperplasia when evaluated for prostate cancer risk reduction: secondary analysis of the REduction by DUtasteride of prostate Cancer Events (REDUCE) trial. Urology. 2011 Sep;78(3):641-6. doi: 10.1016/j.urology.2011.03.063. Epub 2011 Jul 20.

    PubMed 21764428
  • Bostwick DG, Qian J, Drewnowska K, Varvel S, Bostwick KC, Marberger M, Rittmaster RS. Prostate needle biopsy quality in reduction by dutasteride of prostate cancer events study: worldwide comparison of improvement with investigator training and centralized laboratory processing. Urology. 2010 Jun;75(6):1406-10. doi: 10.1016/j.urology.2009.07.1348. Epub 2009 Nov 25.

    PubMed 19942263
  • Crawford ED, Andriole GL, Marberger M, Rittmaster RS. Reduction in the risk of prostate cancer: future directions after the Prostate Cancer Prevention Trial. Urology. 2010 Mar;75(3):502-9. doi: 10.1016/j.urology.2009.05.099. Epub 2009 Dec 29.

    PubMed 20035983
  • G Andriole, D Bostwick, O Brawley, L Gomella, M Marberger, F Montorsi, C Pettaway, T Tammela, C Teloken, D Tindall, M Somerville, I Fowler and R Rittmaster on behalf of the REDUCE Study Group. Risk reduction in men at increased risk: outcomes of the REduction by Dutasteride of prostate Cancer Events (REDUCE) trial. [N Engl J Med]. 2010;362(13):1192-202.

  • Andriole GL, Bostwick D, Brawley OW, Gomella L, Marberger M, Montorsi F, Pettaway C, Tammela TL, Teloken C, Tindall D, Freedland SJ, Somerville MC, Wilson TH, Fowler I, Castro R, Rittmaster RS; REDUCE Study Group. The effect of dutasteride on the usefulness of prostate specific antigen for the diagnosis of high grade and clinically relevant prostate cancer in men with a previous negative biopsy: results from the REDUCE study. J Urol. 2011 Jan;185(1):126-31. doi: 10.1016/j.juro.2010.09.011. Epub 2010 Nov 12.

    PubMed 21074214
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Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Dutasteride in people with Neoplasms, Prostate, run by GlaxoSmithKline at 932 sites in 43 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 23 Sep 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 932 sites in United States, Germany, France, United Kingdom, Spain and 37 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 5 Mar 2010). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Participants With Biopsy-detectable Prostate Cancer at Years 2 and 4 (Crude Rate Approach) (time frame: Years 1-2, Years 3-4, and Overall (Years 1-4)). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00056407, which also lists 28 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Sep 2016.

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