LeukemiaPhase 3NCT00513747
Early or Delayed Fludarabine and Rituximab in Treating Patients With Previously Untreated Chronic Lymphocytic Leukemia
A Phase 3 study testing rituximab and fludarabine phosphate in people with Leukemia, run by Alliance for Clinical Trials in Oncology at 387 sites in 2 countries.
Trial summary
RATIONALE: Drugs used in chemotherapy, such as fludarabine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Monoclonal antibodies, such as rituximab, can block cancer growth in different ways. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Leukemia
- What is being tested?
- rituximab and fludarabine phosphate
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 84 participants
- Where
- 387 sitesin 2 countries
- Study dates
- Jan 2008to Jun 2016
- 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 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Eligibility Criteria for Pre-Registration:
- Patients must be within 6 months of the initial flow cytometric confirmation of B-cell chronic lymphocytic leukemia (CLL). This interval begins with the initial flow cytometric confirmation of disease.
- Clinical and immunophenotypic evidence of CLL including: 2.1 An absolute lymphocytosis of > 5,000/μL
- Morphologically, the lymphocytes must appear mature with < 55% prolymphocytes.
- Local institution lymphocyte phenotype must reveal a predominant B-cell monoclonal population sharing a B-cell marker (CD19, CD20, CD23) with the CD5 antigen, in the absence of other pan-T-cell markers.
- Additionally, the B-cells must be monoclonal with regard to expression of either κ or λ and have surface immunoglobulin expression of low density.
- Patients with bright surface immunoglobulin levels must have CD23 coexpression and absence of t(11;14) on interphase cytogenetics or have negative tumor protein staining for cyclin D1. 2.2 Staging - Patients must be in the low category (i.e., only stages 0 or I) of the modified three-stage Rai staging system as described in the protocol.
- Patients should not have evidence of active disease as demonstrated by any of the following criteria:
- Splenomegaly and/or massive/progressive lymphadenopathy that would require therapy
- Presence of weight loss > 10% over the preceding 6 month period
- Grade 2 or 3 fatigue
- Fevers > 100.5°F or night sweats for greater than 2 weeks without evidence of infection
- Progressive lymphocytosis with an increase of > 50% over a 2 month period or an anticipated doubling time of less than 6 months.
- Prior Treatment: No prior therapy for CLL including corticosteroids for autoimmune complications that have developed since the initial diagnosis of CLL.
- Age ≥ 18 years
- Performance Status 0 - 1.
- No HIV disease. Due to alterations in host immunity, patients known to have HIV infection may not be enrolled.
- Non-pregnant and non-nursing. Due to the unknown teratogenic potential of chemotherapy, pregnant or nursing women may not be enrolled. Women and men of reproductive potential should agree to use an effective means of birth control.
- Required Initial Laboratory Values:
- Creatinine ≤ 1.5 x upper limit of normal
Eligibility Criteria for Registration (to Low-Risk Cohort or High-Risk Cohort Randomization between Early Intervention Versus Observation with Later Treatment)
- Successful determination of IgVH mutational status by reference laboratory.
- Absence of progression of CLL, i.e., absence of the following:
- Progressive splenomegaly and/or lymphadenopathy on two independent measures spaced two weeks apart. If one assessment notes progression, this should be repeated prior to re-registration.
- Development of anemia (hemoglobin < 11 g/dL) or thrombocytopenia (platelets < 100,000/μL).
- Progressive lymphocytosis with an increase of > 50% over a 2 month period or an anticipated doubling time of less than 6 months.
- Symptoms referable to CLL, including weight loss > 10% over the preceding 6 month period; grade 2 or 3 fatigue; or fevers > 100.5°F and/or night sweats for greater than 2 weeks without evidence of infection.
- Required Laboratory Value:
- Creatinine ≤ 1.5 x upper limit of normal
Trial locations and contacts
387 sites in 2 countries.
308 sites in 2 countries
United States300 sites
Hickman Cancer Center at Bixby Medical Center
Adrian, Michigan, 49221
Summa Center for Cancer Care at Akron City Hospital
Akron, Ohio, 44309-2090
Phoebe Cancer Center at Phoebe Putney Memorial Hospital
Albany, Georgia, 31701
University of New Mexico Cancer Center
Albuquerque, New Mexico, 87131-5636
Study site
Alexandria, Minnesota, 56308
Saint Anthony's Hospital at Saint Anthony's Health Center
Alton, Illinois, 62002
McFarland Clinic, PC
Ames, Iowa, 50010
Saint Joseph Mercy Cancer Center
Ann Arbor, Michigan, 48106-0995
CCOP - Michigan Cancer Research Consortium
Ann Arbor, Michigan, 48106
Regional Medical Center
Anniston, Alabama, 36202
Mission Hospitals - Memorial Campus
Asheville, North Carolina, 28801
Aurora Presbyterian Hospital
Aurora, Colorado, 80012
Greenebaum Cancer Center at University of Maryland Medical Center
Baltimore, Maryland, 21201
CancerCare of Maine at Eastern Maine Medical Center
Bangor, Maine, 04401
St. Francis Hospital and Health Centers - Beech Grove Campus
Beech Grove, Indiana, 46107
Mary Rutan Hospital
Bellefontaine, Ohio, 43311
St. Joseph Cancer Center
Bellingham, Washington, 98225
Mountainview Medical
Berlin Corners, Vermont, 05602
Hematology Oncology Associates of Illinois - Berwyn
Berwyn, Illinois, 60402
Hematology Oncology Associates of the Quad Cities
Bettendorf, Iowa, 52722
Study site
Bettendorf, Iowa, 52722
CCOP - Montana Cancer Consortium
Billings, Montana, 59101
Hematology-Oncology Centers of the Northern Rockies - Billings
Billings, Montana, 59101
Northern Rockies Radiation Oncology Center
Billings, Montana, 59101
St. Vincent Healthcare Cancer Care Services
Billings, Montana, 59101
Billings Clinic - Downtown
Billings, Montana, 59107-7000
Bismarck Cancer Center
Bismarck, North Dakota, 58501
Medcenter One Hospital Cancer Care Center
Bismarck, North Dakota, 58501
Mid Dakota Clinic, PC
Bismarck, North Dakota, 58501
St. Alexius Medical Center Cancer Center
Bismarck, North Dakota, 58502
Illinois CancerCare - Bloomington
Bloomington, Illinois, 61701
St. Joseph Medical Center
Bloomington, Illinois, 61701
Mountain States Tumor Institute at St. Luke's Regional Medical Center
Boise, Idaho, 83712
Massachusetts General Hospital
Boston, Massachusetts, 02114
Dana-Farber/Brigham and Women's Cancer Center
Boston, Massachusetts, 02115
Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute
Boston, Massachusetts, 02115
Beth Israel Deaconess Medical Center
Boston, Massachusetts, 02215
Boulder Community Hospital
Boulder, Colorado, 80301-9019
Wood County Oncology Center
Bowling Green, Ohio, 43402
Bozeman Deaconess Cancer Center
Bozeman, Montana, 59715
Olympic Hematology and Oncology
Bremerton, Washington, 98310
Providence Saint Joseph Medical Center - Burbank
Burbank, California, 91505
Lahey Clinic Medical Center - Burlington
Burlington, Massachusetts, 01805
Fletcher Allen Health Care - University Health Center Campus
Burlington, Vermont, 05401
Fairview Ridges Hospital
Burnsville, Minnesota, 55337
St. James Healthcare Cancer Care
Butte, Montana, 59701
Illinois CancerCare - Canton
Canton, Illinois, 61520
Saint Francis Medical Center
Cape Girardeau, Missouri, 63703
Illinois CancerCare - Carthage
Carthage, Illinois, 62321
Memorial Hospital
Carthage, Illinois, 62321
Cancer Center of Kansas, PA - Chanute
Chanute, Kansas, 66720
Hollings Cancer Center at Medical University of South Carolina
Charleston, South Carolina, 29425
Robert H. Lurie Comprehensive Cancer Center at Northwestern University
Chicago, Illinois, 60611-3013
Hematology and Oncology Associates
Chicago, Illinois, 60611
Rush University Medical Center
Chicago, Illinois, 60612
University of Chicago Cancer Research Center
Chicago, Illinois, 60637-1470
Adena Regional Medical Center
Chillicothe, Ohio, 45601
Marshfield Clinic - Chippewa Center
Chippewa Falls, Wisconsin, 54729
MetroHealth Cancer Care Center at MetroHealth Medical Center
Cleveland, Ohio, 44109
Medical Oncology and Hematology Associates - West Des Moines
Clive, Iowa, 50325
North Coast Cancer Care - Clyde
Clyde, Ohio, 43410
Penrose Cancer Center at Penrose Hospital
Colorado Springs, Colorado, 80933
John B. Amos Cancer Center
Columbus, Georgia, 31904
Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University Medical Center
Columbus, Ohio, 43210-1240
Riverside Methodist Hospital Cancer Care
Columbus, Ohio, 43214-3998
CCOP - Columbus
Columbus, Ohio, 43215
Grant Medical Center Cancer Care
Columbus, Ohio, 43215
Mount Carmel Health - West Hospital
Columbus, Ohio, 43222
Doctors Hospital at Ohio Health
Columbus, Ohio, 43228
Batte Cancer Center at Northeast Medical Center
Concord, North Carolina, 28025
Mercy and Unity Cancer Center at Mercy Hospital
Coon Rapids, Minnesota, 55433
Geisinger Cancer Institute at Geisinger Health
Danville, Pennsylvania, 17822-0001
Genesis Regional Cancer Center at Genesis Medical Center
Davenport, Iowa, 52803
Genesis Medical Center - West Campus
Davenport, Iowa, 52804
Grandview Hospital
Dayton, Ohio, 45405
Good Samaritan Hospital
Dayton, Ohio, 45406
David L. Rike Cancer Center at Miami Valley Hospital
Dayton, Ohio, 45409
Samaritan North Cancer Care Center
Dayton, Ohio, 45415
CCOP - Dayton
Dayton, Ohio, 45420
Oakwood Cancer Center at Oakwood Hospital and Medical Center
Dearborn, Michigan, 48123-2500
Grady Memorial Hospital
Delaware, Ohio, 43015
St. Anthony Central Hospital
Denver, Colorado, 80204
Porter Adventist Hospital
Denver, Colorado, 80210
Presbyterian - St. Luke's Medical Center
Denver, Colorado, 80218
St. Joseph Hospital
Denver, Colorado, 80218
Rose Medical Center
Denver, Colorado, 80220
CCOP - Colorado Cancer Research Program
Denver, Colorado, 80224-2522
Mercy Capitol Hospital
Des Moines, Iowa, 50307
CCOP - Iowa Oncology Research Association
Des Moines, Iowa, 50309
John Stoddard Cancer Center at Iowa Methodist Medical Center
Des Moines, Iowa, 50309
Medical Oncology and Hematology Associates at John Stoddard Cancer Center
Des Moines, Iowa, 50309
Medical Oncology and Hematology Associates at Mercy Cancer Center
Des Moines, Iowa, 50314
Mercy Cancer Center at Mercy Medical Center - Des Moines
Des Moines, Iowa, 50314
John Stoddard Cancer Center at Iowa Lutheran Hospital
Des Moines, Iowa, 50316
Cancer Center of Kansas, PA - Dodge City
Dodge City, Kansas, 67801
Veterans Affairs Medical Center - East Orange
East Orange, New Jersey, 07018-1095
CCOP - Hematology-Oncology Associates of Central New York
East Syracuse, New York, 13057
Marshfield Clinic Cancer Care at Regional Cancer Center
Eau Claire, Wisconsin, 54701
Fairview Southdale Hospital
Edina, Minnesota, 55435
Cancer Center of Kansas, PA - El Dorado
El Dorado, Kansas, 67042
Union Hospital Cancer Program at Union Hospital
Elkton, Maryland, 21921
Elmhurst Memorial Hospital
Elmhurst, Illinois, 60126
Hematology Oncology Center
Elyria, Ohio, 44035
Swedish Medical Center
Englewood, Colorado, 80110
Green Bay Oncology, Limited - Escanaba
Escanaba, Michigan, 49431
Eureka Community Hospital
Eureka, Illinois, 61530
Illinois CancerCare - Eureka
Eureka, Illinois, 61530
Blanchard Valley Medical Associates
Findlay, Ohio, 45840
Hunterdon Regional Cancer Center at Hunterdon Medical Center
Flemington, New Jersey, 08822
Genesys Hurley Cancer Institute
Flint, Michigan, 48503
Hurley Medical Center
Flint, Michigan, 48503
McLeod Regional Medical Center
Florence, South Carolina, 29501
Central Wisconsin Cancer Program at Agnesian HealthCare
Fond du Lac, Wisconsin, 54935
Michael and Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital
Fort Lauderdale, Florida, 33308
Cancer Center of Kansas - Fort Scott
Fort Scott, Kansas, 66701
Sparks Regional Medical Center
Fort Smith, Arkansas, 72901
Middletown Regional Hospital
Franklin, Ohio, 45005-1066
Fredericksburg Oncology, Incorporated
Fredericksburg, Virginia, 22401
Mercy and Unity Cancer Center at Unity Hospital
Fridley, Minnesota, 55432
Virginia K. Crosson Cancer Center at St. Jude Medical Center
Fullerton, California, 92835
Galesburg Clinic, PC
Galesburg, Illinois, 61401
Galesburg Cottage Hospital
Galesburg, Illinois, 61401
Illinois CancerCare - Galesburg
Galesburg, Illinois, 61401
Oncology Alliance, SC - Milwaukee - East
Glendale, Wisconsin, 53212-1038
Adirondack Cancer Care - Glens Falls
Glens Falls, New York, 12801
Wayne Memorial Hospital, Incorporated
Goldsboro, North Carolina, 27534
St. Mary's Regional Cancer Center at St. Mary's Hospital and Medical Center
Grand Junction, Colorado, 81502
Big Sky Oncology
Great Falls, Montana, 59405-5309
Great Falls Clinic - Main Facility
Great Falls, Montana, 59405
Sletten Cancer Institute at Benefis Healthcare
Great Falls, Montana, 59405
Study site
Great Falls, Montana, 59405
North Colorado Medical Center
Greeley, Colorado, 80631
Green Bay Oncology, Limited at St. Vincent Hospital Regional Cancer Center
Green Bay, Wisconsin, 54301-3526
Green Bay Oncology, Limited at St. Mary's Hospital
Green Bay, Wisconsin, 54303
St. Mary's Hospital Medical Center - Green Bay
Green Bay, Wisconsin, 54303
St. Vincent Hospital Regional Cancer Center
Green Bay, Wisconsin, 54307-3508
Wayne Hospital
Greenville, Ohio, 45331
CCOP - Greenville
Greenville, South Carolina, 29615
Van Elslander Cancer Center at St. John Hospital and Medical Center
Grosse Pointe Woods, Michigan, 48236
Illinois CancerCare - Havana
Havana, Illinois, 62644
Mason District Hospital
Havana, Illinois, 62644
Northern Montana Hospital
Havre, Montana, 59501
Geisinger Hazleton Cancer Center
Hazleton, Pennsylvania, 18201
St. Peter's Hospital
Helena, Montana, 59601
Pardee Memorial Hospital
Hendersonville, North Carolina, 28791
Kellogg Cancer Care Center
Highland Park, Illinois, 60035
Memorial Cancer Institute at Memorial Regional Hospital
Hollywood, Florida, 33021
Clearview Cancer Institute
Huntsville, Alabama, 35805
Hutchinson Area Health Care
Hutchinson, Minnesota, 55350
Cancer Center of Kansas-Independence
Independence, Kansas, 67301
Holden Comprehensive Cancer Center at University of Iowa
Iowa City, Iowa, 52242-1002
Veterans Affairs Medical Center - Iowa City
Iowa City, Iowa, 52246
Dickinson County Healthcare System
Iron Mountain, Michigan, 49801
Foote Memorial Hospital
Jackson, Michigan, 49201
Midwest Center for Hematology/Oncology
Joliet, Illinois, 60432
Ella Milbank Foshay Cancer Center at Jupiter Medical Center
Jupiter, Florida, 33458
Borgess Medical Center
Kalamazoo, Michigan, 49001
West Michigan Cancer Center
Kalamazoo, Michigan, 49007-3731
Bronson Methodist Hospital
Kalamazoo, Michigan, 49007
Glacier Oncology, PLLC
Kalispell, Montana, 59901
Kalispell Medical Oncology at KRMC
Kalispell, Montana, 59901
Kalispell Regional Medical Center
Kalispell, Montana, 59901
Truman Medical Center - Hospital Hill
Kansas City, Missouri, 64108
Saint Luke's Cancer Institute at Saint Luke's Hospital
Kansas City, Missouri, 64111
St. Joseph Medical Center
Kansas City, Missouri, 64114
North Kansas City Hospital
Kansas City, Missouri, 64116
Parvin Radiation Oncology
Kansas City, Missouri, 64116
CCOP - Kansas City
Kansas City, Missouri, 64131
Research Medical Center
Kansas City, Missouri, 64132
Columbia Basin Hematology
Kennewick, Washington, 99336
Charles F. Kettering Memorial Hospital
Kettering, Ohio, 45429
Illinois CancerCare - Kewanee Clinic
Kewanee, Illinois, 61443
Cancer Center of Kansas, PA - Kingman
Kingman, Kansas, 67068
Kinston Medical Specialists
Kinston, North Carolina, 28501
Monter Cancer Center of the North Shore-LIJ Health System
Lake Success, New York, 11042
Haematology-Oncology Associates of Ohio and Michigan, PC
Lambertville, Michigan, 48144
Fairfield Medical Center
Lancaster, Ohio, 43130
Sparrow Regional Cancer Center
Lansing, Michigan, 48912-1811
Lawrence Memorial Hospital
Lawrence, Kansas, 66044
Saint Luke's East - Lee's Summit
Lee's Summit, Missouri, 64086
Tunnell Cancer Center at Beebe Medical Center
Lewes, Delaware, 19958
Southwest Medical Center
Liberal, Kansas, 67901
Liberty Hospital
Liberty, Missouri, 64068
North Shore Oncology and Hematology Associates, Limited - Libertyville
Libertyville, Illinois, 60048
St. Rita's Medical Center
Lima, Ohio, 45801
Lima Memorial Hospital
Lima, Ohio, 45804
St. Mary Mercy Hospital
Livonia, Michigan, 48154
Sky Ridge Medical Center
Lone Tree, Colorado, 80124
Hope Cancer Care Center at Longmont United Hospital
Longmont, Colorado, 80501
McKee Medical Center
Loveland, Colorado, 80539
Illinois CancerCare - Macomb
Macomb, Illinois, 61455
McDonough District Hospital
Macomb, Illinois, 61455
Manchester Memorial Hospital
Manchester, Connecticut, 06040
CCOP - North Shore University Hospital
Manhasset, New York, 11030
Don Monti Comprehensive Cancer Center at North Shore University Hospital
Manhasset, New York, 11030
Holy Family Memorial Medical Center Cancer Care Center
Manitowoc, Wisconsin, 54221-1450
HealthEast Cancer Care at St. John's Hospital
Maplewood, Minnesota, 55109
Minnesota Oncology Hematology, PA - Maplewood
Maplewood, Minnesota, 55109
Strecker Cancer Center at Marietta Memorial Hospital
Marietta, Ohio, 45750
Bay Area Cancer Care Center at Bay Area Medical Center
Marinette, Wisconsin, 54143
Fox Chase Virtua Health Cancer Program at Virtua Memorial Hospital Marlton
Marlton, New Jersey, 08053
Marshfield Clinic - Marshfield Center
Marshfield, Wisconsin, 54449
Saint Joseph's Hospital
Marshfield, Wisconsin, 54449
Northwest Ohio Oncology Center
Maumee, Ohio, 43537-1839
St. Luke's Hospital
Maumee, Ohio, 43537
Cardinal Bernardin Cancer Center at Loyola University Medical Center
Maywood, Illinois, 60153
Riddle Memorial Hospital Cancer Center
Media, Pennsylvania, 19063
CCOP - Mount Sinai Medical Center
Miami Beach, Florida, 33140
Providence Milwaukie Hospital
Milwaukie, Oregon, 97222
Virginia Piper Cancer Institute at Abbott - Northwestern Hospital
Minneapolis, Minnesota, 55407
Hennepin County Medical Center - Minneapolis
Minneapolis, Minnesota, 55415
Veterans Affairs Medical Center - Minneapolis
Minneapolis, Minnesota, 55417
Marshfield Clinic - Lakeland Center
Minocqua, Wisconsin, 54548
Community Medical Center
Missoula, Montana, 59801
Guardian Oncology and Center for Wellness
Missoula, Montana, 59804
Montana Cancer Specialists at Montana Cancer Center
Missoula, Montana, 59807-7877
Montana Cancer Center at St. Patrick Hospital and Health Sciences Center
Missoula, Montana, 59807
Memorial Medical Center
Modesto, California, 95355
Trinity Cancer Center at Trinity Medical Center - 7th Street Campus
Moline, Illinois, 61265
Study site
Moline, Illinois, 61265
Illinois CancerCare - Monmouth
Monmouth, Illinois, 61462
OSF Holy Family Medical Center
Monmouth, Illinois, 61462
Community Cancer Center of Monroe
Monroe, Michigan, 48162
Mercy Memorial Hospital - Monroe
Monroe, Michigan, 48162
Good Samaritan Regional Health Center
Mount Vernon, Illinois, 62864
Camino Medical Group - Treatment Center
Mountain View, California, 94040
Community Hospital
Munster, Indiana, 46321
Edward Hospital Cancer Center
Naperville, Illinois, 60540
La Grange Oncology Associates - Geneva
Naperville, Illinois, 60563
Long Island Jewish Medical Center
New Hyde Park, New York, 11040
New York Weill Cornell Cancer Center at Cornell University
New York, New York, 10021
CCOP - Christiana Care Health Services
Newark, Delaware, 19713
Licking Memorial Cancer Care Program at Licking Memorial Hospital
Newark, Ohio, 43055
Cancer Center of Kansas, PA - Newton
Newton, Kansas, 67114
Cancer Care and Hematology Specialists of Chicagoland - Niles
Niles, Illinois, 60714
BroMenn Regional Medical Center
Normal, Illinois, 61761
Community Cancer Center
Normal, Illinois, 61761
Illinois CancerCare - Community Cancer Center
Normal, Illinois, 61761
Regional Cancer Center at Oconomowoc Memorial Hospital
Oconomowoc, Wisconsin, 53066
Green Bay Oncology, Limited - Oconto Falls
Oconto Falls, Wisconsin, 54154
CCOP - Missouri Valley Cancer Consortium
Omaha, Nebraska, 68106
Methodist Estabrook Cancer Center
Omaha, Nebraska, 68114
Immanuel Medical Center
Omaha, Nebraska, 68122
Alegant Health Cancer Center at Bergan Mercy Medical Center
Omaha, Nebraska, 68124
Creighton University Medical Center
Omaha, Nebraska, 68131-2197
St. Charles Mercy Hospital
Oregon, Ohio, 43616
Toledo Clinic - Oregon
Oregon, Ohio, 43616
Florida Hospital Cancer Institute at Florida Hospital Orlando
Orlando, Florida, 32803-1273
M.D. Anderson Cancer Center at Orlando
Orlando, Florida, 32806
Community Hospital of Ottawa
Ottawa, Illinois, 61350
Oncology Hematology Associates of Central Illinois, PC - Ottawa
Ottawa, Illinois, 61350
Menorah Medical Center
Overland Park, Kansas, 66209
Saint Luke's Hospital - South
Overland Park, Kansas, 66213
Palo Alto Medical Foundation
Palo Alto, California, 94301
Cancer Center of Kansas, PA - Parsons
Parsons, Kansas, 67357
Memorial Hospital of Rhode Island
Pawtucket, Rhode Island, 02860
Cancer Treatment Center at Pekin Hospital
Pekin, Illinois, 61554
Illinois CancerCare - Pekin
Pekin, Illinois, 61603
Sacred Heart Cancer Center at Sacred Heart Hospital
Pensacola, Florida, 32504
West Florida Cancer Institute at West Florida Hospital - Pensacola
Pensacola, Florida, 32514
Proctor Hospital
Peoria, Illinois, 61614
CCOP - Illinois Oncology Research Association
Peoria, Illinois, 61615
Oncology Hematology Associates of Central Illinois, PC - Peoria
Peoria, Illinois, 61615
Methodist Medical Center of Illinois
Peoria, Illinois, 61636
OSF St. Francis Medical Center
Peoria, Illinois, 61637
Illinois CancerCare - Peru
Peru, Illinois, 61354
Illinois Valley Community Hospital
Peru, Illinois, 61354
Kimmel Cancer Center at Thomas Jefferson University - Philadelphia
Philadelphia, Pennsylvania, 19107-5541
Joan Karnell Cancer Center at Pennsylvania Hospital
Philadelphia, Pennsylvania, 19107
Cancer Center at Phoenixville Hospital
Phoenixville, Pennsylvania, 19460
St. Joseph Mercy Oakland
Pontiac, Michigan, 48341-2985
Mercy Regional Cancer Center at Mercy Hospital
Port Huron, Michigan, 48060
Providence Cancer Center at Providence Portland Medical Center
Portland, Oregon, 97213-2967
CCOP - Columbia River Oncology Program
Portland, Oregon, 97225
Providence St. Vincent Medical Center
Portland, Oregon, 97225
Kaiser Permanente Health Care - Portland
Portland, Oregon, 97232
Harrison Poulsbo Hematology and Onocology
Poulsbo, Washington, 98370
Cancer Center of Kansas, PA - Pratt
Pratt, Kansas, 67124
Illinois CancerCare - Princeton
Princeton, Illinois, 61356
Perry Memorial Hospital
Princeton, Illinois, 61356
St. Mary - Corwin Regional Medical Center
Pueblo, Colorado, 81004
Ministry Medical Group at Saint Mary's Hospital
Rhinelander, Wisconsin, 54501
Marshfield Clinic - Indianhead Center
Rice Lake, Wisconsin, 54868
Reid Hospital & Health Care Services
Richmond, Indiana, 47374
Hubert H. Humphrey Cancer Center at North Memorial Outpatient Center
Robbinsdale, Minnesota, 55422-2900
Mayo Clinic Cancer Center
Rochester, Minnesota, 55905
James P. Wilmot Cancer Center at University of Rochester Medical Center
Rochester, New York, 14642
Swedish-American Regional Cancer Center
Rockford, Illinois, 61104-2315
University of California Davis Cancer Center
Sacramento, California, 95817
Seton Cancer Institute at Saint Mary's - Saginaw
Saginaw, Michigan, 48601
CentraCare Clinic - River Campus
Saint Cloud, Minnesota, 56303
Coborn Cancer Center
Saint Cloud, Minnesota, 56303
Oncology Care Associates, PLLC
Saint Joseph, Michigan, 49085
Heartland Regional Medical Center
Saint Joseph, Missouri, 64506
CCOP - Metro-Minnesota
Saint Louis Park, Minnesota, 55416
Park Nicollet Cancer Center
Saint Louis Park, Minnesota, 55416
Regions Hospital Cancer Care Center
Saint Paul, Minnesota, 55101
United Hospital
Saint Paul, Minnesota, 55102
Cancer Center of Kansas, PA - Salina
Salina, Kansas, 67042
Kaiser Permanente Medical Office -Vandever Medical Office
San Diego, California, 92120
Canada8 sites
Northeastern Ontario Regional Cancer Centre
Greater Sudbury, Ontario, P3E 5J1
Nova Scotia Cancer Centre
Halifax, Nova Scotia, B3H 1V8
Margaret and Charles Juravinski Cancer Centre
Hamilton, Ontario, L8V 5C2
Moncton Hospital
Moncton, New Brunswick, E1C 6Z8
Maisonneuve-Rosemont Hospital
Montreal, Quebec, H1T 2M4
Allan Blair Cancer Centre at Pasqua Hospital
Regina, Saskatchewan, S4T 7T1
Edmond Odette Cancer Centre at Sunnybrook
Toronto, Ontario, M4N 3M5
CancerCare Manitoba
Winnipeg, Manitoba, R3E 0V9
About this study
Official title: A Phase III Intergroup CLL Study of Asymptomatic Patients With Untreated Chronic Lymphocytic Leukemia Randomized to Early Intervention Versus Observation With Later Treatment in the High Risk Genetic Subset With IGVH Unmutated Disease
RATIONALE: Drugs used in chemotherapy, such as fludarabine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Monoclonal antibodies, such as rituximab, can block cancer growth in different ways. Some block the ability of cancer cells to grow and spread. Others find cancer cells and help kill them or carry cancer-killing substances to them. Giving fludarabine together with rituximab may kill more cancer cells. Sometimes the cancer may not need treatment until it progresses. In this case, observation may be sufficient. It is not yet known whether giving fludarabine together with rituximab early is more effective than giving fludarabine and rituximab after observation in treating chronic lymphocytic leukemia.
PURPOSE: This randomized phase III trial is studying fludarabine and rituximab to compare how well they work when given early or after observation in treating patients with previously untreated chronic lymphocytic leukemia.
Read the detailed description
OBJECTIVES:
Primary
- To determine if early treatment with chemoimmunotherapy comprising fludarabine phosphate and rituximab extends the time to second treatment in patients with genetically high-risk (unmutated IgV_H), asymptomatic, previously untreated chronic lymphocytic leukemia (CLL).
- To determine the time to disease progression that would warrant second treatment.
- To determine overall survival.
Secondary
- To measure the proportion of patients with asymptomatic, previously untreated CLL who have mutated and unmutated IgV_H genes.
- To determine the differences in acute and chronic toxicity of administering chemoimmunotherapy early to patients with genetically high-risk CLL compared to waiting until symptoms develop.
- To determine the effect of select pretreatment clinical and biological characteristics (such as interphase cytogenetic abnormalities, ZAP-70 expression, and p53 dysfunction [primary and secondary]) on response, time to second treatment, and overall survival of patients with genetically high-risk CLL randomized to early treatment.
- To determine the effect of select pretreatment clinical and biological characteristics (such as interphase cytogenetic abnormalities, ZAP-70 expression, and p53 dysfunction) on response, time to first and second treatments, and overall survival of patients with genetically high-risk CLL randomized to standard treatment (observation until symptoms occur).
- To describe the natural history of patients with genetically low-risk (mutated IgV_H genes), asymptomatic, previously untreated CLL, in terms of time to initial treatment, response, progression, and survival.
- To determine the effect of select pretreatment characteristics on time to first treatment, response, progression, and survival of patients with genetically low-risk CLL.
- To correlate patterns of resistance that emerge in patients with unmutated IgV_H genes who have relapsing or refractory CLL following receipt of chemoimmunotherapy with clonal evolution, including acquisition of high-risk karyotype abnormalities, p53 mutations, p53 dysfunction (primary and secondary), altered mRNA and protein expression related to treatment resistance, DNA mutations, microRNA gene expression, and methylation changes.
- To determine whether highly sensitive flow cytometry negativity at completion of therapy in patients randomized to early treatment is an effective surrogate marker for prolonged time to second treatment, overall survival, and other clinical benefits.
- To collect demographic data on familial CLL in newly diagnosed patients participating on this study.
OUTLINE: This is a multicenter study.
- Genetically high-risk disease: Patients are stratified according to age (< 50 years vs 50 to 70 years vs > 70 years) and presence of the high-risk genetic feature [del(11)(q22.3) or del(17)(p13.1)] by FISH (yes vs no). Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive rituximab IV over 4 hours on days 1, 3, and 5 of week 1 and then on day 1 of weeks 5, 9, 13, 17, and 21. Patients also receive fludarabine phosphate IV over 30 minutes on days 1-5 of weeks 1, 5, 9, 13, 17, and 21. After completion of chemoimmunotherapy, patients are followed every 3 months until disease progression. At the time of disease progression, patients receive retreatment with chemoimmunotherapy as above or another treatment regimen.
- Arm II: Patients are followed every 3 months until disease progression. At the time of disease progression, patients receive rituximab and fludarabine phosphate as in arm I. Patients are then followed every 3 months until second disease progression. Patients with a second disease progression receive retreatment with chemoimmunotherapy as above or another treatment regimen.
- Genetically low-risk disease: Patients are followed every 3 months until disease progression. At the time of disease progression, patients receive rituximab and fludarabine phosphate as in arm I. Patients are then followed every 3 months until second disease progression. Patients with a second disease progression receive retreatment with chemoimmunotherapy as above or another treatment regimen.
Patients undergo blood sample collection periodically for correlative studies.
After finishing treatment, patients are followed periodically.
- Conditions
- Leukemia
- Being tested
- rituximab, fludarabine phosphate
- Keywords
- B-cell chronic lymphocytic leukemia, stage 0 chronic lymphocytic leukemia, stage I chronic lymphocytic leukemia
- Medical subject headings
- Leukemia, Leukemia, Lymphocytic, Chronic, B-Cell
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
rituximabBiological
Given IV over 4 hours
Given IV over 30 minutes
| Study group | Role | What they receive |
|---|---|---|
| Arm I | Experimental | Patients receive rituximab IV over 4 hours on days 1, 3, and 5 of week 1 and then on day 1 of weeks 5, 9, 13, 17, and 21. Patients also receive fludarabine phosphate IV over 30 minutes on days 1-5 of weeks 1, 5, 9, 13, 17, and 21. After completion of chemoimmunotherapy, patients are followed every 3 months until disease progression. At the time of disease progression, patients receive retreatment with chemoimmunotherapy as above or another treatment regimen. Receives: Biological: rituximab; Drug: fludarabine phosphate |
| Arm II | Active comparator | Patients are followed every 3 months until disease progression. At the time of disease progression, patients receive rituximab and fludarabine phosphate as in arm I. Patients are then followed every 3 months until second disease progression. Patients with a second disease progression receive retreatment with chemoimmunotherapy as above or another treatment regimen. Receives: Biological: rituximab; Drug: fludarabine phosphate |
What is being measured
The primary outcome is the main question the study is designed to answer.
Time to Second Treatment in High Risk Patients
Kaplan-Meier analysis was conducted to estimate the distribution of time from randomization to second treatment or death whichever comes first. Events were defined as the start of second treatment or death. Patients who had not experienced one of these defined events of interest were censored at their last known follow-up.
Measured: Up to 72 months
Disease-Free Survival in High Risk Patients
Kaplan-Meier analysis was conducted to estimate disease free survival defined as:>
- Arm A: Time from randomization until Second Treatment (first relapse) or death whichever comes first. Events were defined as the start of second treatment or death. Patients who had not experienced one of these defined events of interest were censored at their last known follow-up.>
- Arm B: Time from randomization until First Treatment (first relapse) or death whichever comes first. Events were defined as the start of first treatment or death. Patients who had not experienced one of these defined events of interest were censored at their last known follow-up.
Measured: Up to 72 months
Overall Survival (OS) for High Risk Patients
Kaplan-Meier analysis was conducted to estimate the distribution of time from randomization to death from any cause. Estimates were not stratified. Patients who did not experience this primary outcome had their survival times censored at their last follow-up.
Measured: Up to 72 months
Secondary outcomes (3)
Number of Patients With Mutated and Unmutated IgVH Genes
Number of patients with mutated and unmutated IgVH genes are reported below.
Measured: Once at baseline
Overall Survival in Low Risk Patients
Overall survival in low risk patients (registration to first treatment or death)>
- Events were defined as death from any cause. Low risk Patients who were alive were censored at their last known follow-up.
Measured: Up to 72 months
Time to First Treatment Survival in Low Risk Patients
Time to First Treatment Survival in low risk patients (registration to first treatment or death)>
- Events were defined as the start of first treatment or death from any cause. Patients who didn't receive their first treatment were censored at their last known follow-up.
Measured: Up to 72 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted9 Aug 2007 (estimated)
- Study startJan 2008
- Primary completionJun 2016
- Study completionJun 2016
Why it stopped: Insufficient accrual
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for LeukemiaStudies of the same condition, open and under way.
- More trials run by Alliance for Clinical Trials in OncologyThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 84 participants (actual)
Sponsor and investigators
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Sponsor type
- University, hospital or other
- Collaborators
- National Cancer Institute (NCI)
- Responsible party
- Sponsor
- Investigators
- John C. Byrd, MD, Study chair, Ohio State University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00513747
- Sponsor's protocol ID
- CALGB-10501
- Other IDs
- U10CA031946, CDR0000537685
- Status last verified
- Apr 2020
- First submitted
- 8 Aug 2007
- Last updated
- 22 Apr 2020
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
Publications
Deshields TL, Dueck AC, Rogers K, Brown JR, Shanafelt T, Mintzer D, Byrd JC. Perceived risk for cancer progression and psychological status in chronic lymphocytic leukemia patients: CALGB 70603 (Alliance). Leuk Lymphoma. 2019 Oct;60(10):2580-2583. doi: 10.1080/10428194.2019.1594218. Epub 2019 Mar 27.
PubMed 30916608
Study at a glance
From the registry record, last updated by the sponsor on 22 Apr 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase III Intergroup CLL Study of Asymptomatic Patients With Untreated Chronic Lymphocytic Leukemia Randomized to Early Intervention Versus Observation With Later Treatment in the High Risk Genetic Subset With IGVH Unmutated Disease
- ClinicalTrials.gov ID
- NCT00513747
- Acronym / sponsor ID
- CALGB-10501
- Conditions
- Leukemia
- Keywords
- B-cell chronic lymphocytic leukemia, stage 0 chronic lymphocytic leukemia, stage I chronic lymphocytic leukemia
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- TerminatedReason stopped: Insufficient accrual
- Enrolment
- 84 participants (actual)
- Lead sponsor
- Alliance for Clinical Trials in OncologyUniversity, hospital or other
- Collaborators
- National Cancer Institute (NCI)
- Study start
- Jan 2008
- Primary completion
- Jun 2016 (actual)
- Study completion
- Jun 2016 (actual)
- First posted
- 9 Aug 2007 (estimated)
- Results
- Posted 6 Apr 2020
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
RATIONALE: Drugs used in chemotherapy, such as fludarabine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Monoclonal antibodies, such as rituximab, can block cancer growth in different ways. Some block the ability of cancer cells to grow and spread. Others find cancer cells and help kill them or carry cancer-killing substances to them. Giving fludarabine together with rituximab may kill more cancer cells. Sometimes the cancer may not need treatment until it progresses. In this case, observation may be sufficient. It is not yet known whether giving fludarabine together with rituximab early is more effective than giving fludarabine and rituximab after observation in treating chronic lymphocytic leukemia.
PURPOSE: This randomized phase III trial is studying fludarabine and rituximab to compare how well they work when given early or after observation in treating patients with previously untreated chronic lymphocytic leukemia.
Detailed description
OBJECTIVES:
Primary
- To determine if early treatment with chemoimmunotherapy comprising fludarabine phosphate and rituximab extends the time to second treatment in patients with genetically high-risk (unmutated IgV_H), asymptomatic, previously untreated chronic lymphocytic leukemia (CLL).
- To determine the time to disease progression that would warrant second treatment.
- To determine overall survival.
Secondary
- To measure the proportion of patients with asymptomatic, previously untreated CLL who have mutated and unmutated IgV_H genes.
- To determine the differences in acute and chronic toxicity of administering chemoimmunotherapy early to patients with genetically high-risk CLL compared to waiting until symptoms develop.
- To determine the effect of select pretreatment clinical and biological characteristics (such as interphase cytogenetic abnormalities, ZAP-70 expression, and p53 dysfunction [primary and secondary]) on response, time to second treatment, and overall survival of patients with genetically high-risk CLL randomized to early treatment.
- To determine the effect of select pretreatment clinical and biological characteristics (such as interphase cytogenetic abnormalities, ZAP-70 expression, and p53 dysfunction) on response, time to first and second treatments, and overall survival of patients with genetically high-risk CLL randomized to standard treatment (observation until symptoms occur).
- To describe the natural history of patients with genetically low-risk (mutated IgV_H genes), asymptomatic, previously untreated CLL, in terms of time to initial treatment, response, progression, and survival.
- To determine the effect of select pretreatment characteristics on time to first treatment, response, progression, and survival of patients with genetically low-risk CLL.
- To correlate patterns of resistance that emerge in patients with unmutated IgV_H genes who have relapsing or refractory CLL following receipt of chemoimmunotherapy with clonal evolution, including acquisition of high-risk karyotype abnormalities, p53 mutations, p53 dysfunction (primary and secondary), altered mRNA and protein expression related to treatment resistance, DNA mutations, microRNA gene expression, and methylation changes.
- To determine whether highly sensitive flow cytometry negativity at completion of therapy in patients randomized to early treatment is an effective surrogate marker for prolonged time to second treatment, overall survival, and other clinical benefits.
- To collect demographic data on familial CLL in newly diagnosed patients participating on this study.
OUTLINE: This is a multicenter study.
- Genetically high-risk disease: Patients are stratified according to age (< 50 years vs 50 to 70 years vs > 70 years) and presence of the high-risk genetic feature [del(11)(q22.3) or del(17)(p13.1)] by FISH (yes vs no). Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive rituximab IV over 4 hours on days 1, 3, and 5 of week 1 and then on day 1 of weeks 5, 9, 13, 17, and 21. Patients also receive fludarabine phosphate IV over 30 minutes on days 1-5 of weeks 1, 5, 9, 13, 17, and 21. After completion of chemoimmunotherapy, patients are followed every 3 months until disease progression. At the time of disease progression, patients receive retreatment with chemoimmunotherapy as above or another treatment regimen.
- Arm II: Patients are followed every 3 months until disease progression. At the time of disease progression, patients receive rituximab and fludarabine phosphate as in arm I. Patients are then followed every 3 months until second disease progression. Patients with a second disease progression receive retreatment with chemoimmunotherapy as above or another treatment regimen.
- Genetically low-risk disease: Patients are followed every 3 months until disease progression. At the time of disease progression, patients receive rituximab and fludarabine phosphate as in arm I. Patients are then followed every 3 months until second disease progression. Patients with a second disease progression receive retreatment with chemoimmunotherapy as above or another treatment regimen.
Patients undergo blood sample collection periodically for correlative studies.
After finishing treatment, patients are followed periodically.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Arm I | Experimental | Biological: rituximab, Drug: fludarabine phosphatePatients receive rituximab IV over 4 hours on days 1, 3, and 5 of week 1 and then on day 1 of weeks 5, 9, 13, 17, and 21. Patients also receive fludarabine phosphate IV over 30 minutes on days 1-5 of weeks 1, 5, 9, 13, 17, and 21. After completion of chemoimmunotherapy, patients are followed every 3 months until disease progression. At the time of disease progression, patients receive retreatment with chemoimmunotherapy as above or another treatment regimen. |
| Arm II | Active comparator | Biological: rituximab, Drug: fludarabine phosphatePatients are followed every 3 months until disease progression. At the time of disease progression, patients receive rituximab and fludarabine phosphate as in arm I. Patients are then followed every 3 months until second disease progression. Patients with a second disease progression receive retreatment with chemoimmunotherapy as above or another treatment regimen. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| rituximabGiven IV over 4 hours | Biological | Arm I, Arm II |
| fludarabine phosphateGiven IV over 30 minutes | Drug | Arm I, Arm II |
Primary outcome
Time to Second Treatment in High Risk Patients
Time frame: Up to 72 months
Kaplan-Meier analysis was conducted to estimate the distribution of time from randomization to second treatment or death whichever comes first. Events were defined as the start of second treatment or death. Patients who had not experienced one of these defined events of interest were censored at their last known follow-up.
Disease-Free Survival in High Risk Patients
Time frame: Up to 72 months
Kaplan-Meier analysis was conducted to estimate disease free survival defined as:> * Arm A: Time from randomization until Second Treatment (first relapse) or death whichever comes first. Events were defined as the start of second treatment or death. Patients who had not experienced one of these defined events of interest were censored at their last known follow-up.> * Arm B: Time from randomization until First Treatment (first relapse) or death whichever comes first. Events were defined as the start of first treatment or death. Patients who had not experienced one of these defined events of interest were censored at their last known follow-up.
Overall Survival (OS) for High Risk Patients
Time frame: Up to 72 months
Kaplan-Meier analysis was conducted to estimate the distribution of time from randomization to death from any cause. Estimates were not stratified. Patients who did not experience this primary outcome had their survival times censored at their last follow-up.
3 secondary outcomes
Number of Patients With Mutated and Unmutated IgVH Genes
Time frame: Once at baseline
Overall Survival in Low Risk Patients
Time frame: Up to 72 months
Time to First Treatment Survival in Low Risk Patients
Time frame: Up to 72 months
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 22 Apr 2020.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 30916608Deshields TL, Dueck AC, Rogers K, Brown JR, Shanafelt T, Mintzer D, Byrd JC. Perceived risk for cancer progression and psychological status in chronic lymphocytic leukemia patients: CALGB 70603 (Alliance). Leuk Lymphoma. 2019 Oct;60(10):2580-2583. doi: 10.1080/10428194.2019.1594218. Epub 2019 Mar 27.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
John C. Byrd, MD study chair
Ohio State University
387 sites in 2 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing rituximab and fludarabine phosphate in people with Leukemia, run by Alliance for Clinical Trials in Oncology at 387 sites in 2 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
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: stopped early, as of the sponsor's last update on 22 Apr 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 387 sites in United States, Canada. 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. 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 6 Apr 2020). 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?
Time to Second Treatment in High Risk Patients (time frame: Up to 72 months). 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 NCT00513747, which also lists 1 linked publication.
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 22 Apr 2020.