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OsteoarthritisPhase 2NCT00418782

A Study Of The Effect Of CE-224535 On Knee OA (Osteoarthritis) Pain

A Phase 2 study testing naproxen and CE-224535 in people with Osteoarthritis, run by Pfizer at 46 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

CE-224535 is a new medication being developed as an analgesic and anti-inflammatory agent for the treatment of the signs and symptoms of osteoarthritis (OA). The purpose of this study is to evaluate the analgesic and anti inflammatory efficacy and safety of CE 224,535 versus placebo and naproxen treatment in patients… Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Osteoarthritis
What is being tested?
naproxen and CE-224535
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
212 participants
Where
46 sitesUnited States
Study dates
Jan 2007to Aug 2007
Phase
Phase 2
Are there results?
None posted in the registry

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 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Is a healthy adult 18 to 75 years of age, inclusive, in general good health and with diagnosis of knee OA, as determined by the American College of Rheumatology (ACR) clinical/radiographic classification criteria for OA of the knee.
  • Women must be of non childbearing potential (amenorrhea for at least 1 year PLUS have a serum follicle stimulating hormone (FSH) level >30 IU/L, bilateral oophorectomy or hysterectomy), and have a confirmed negative serum pregnancy test at the screening visit prior to randomization.

Who cannot join

  • History of other diseases that may involve the study joint, including inflammatory joint diseases, crystalline disease, endocrinopathies, metabolic diseases, infections, neuropathic disorders, avascular necrosis, Paget's disease, or tumors.
  • Women of childbearing potential, or who are pregnant or lactating.

Trial locations and contacts

46 sites in 1 country.

46 sites in 1 country

United States46 sites
  • Pfizer Investigational Site

    Anniston, Alabama, 36207

  • Pfizer Investigational Site

    Arlington, Virginia, 22205

  • Pfizer Investigational Site

    Ashland, Oregon, 97520

  • Pfizer Investigational Site

    Avon, Indiana, 46123

  • Pfizer Investigational Site

    Baltimore, Maryland, 21218

  • Pfizer Investigational Site

    Bayou La Batre, Alabama, 36509

  • Pfizer Investigational Site

    Beavercreek, Ohio, 45440

  • Pfizer Investigational Site

    Birmingham, Alabama, 35209

  • Pfizer Investigational Site

    Birmingham, Alabama, 35216

  • Pfizer Investigational Site

    Birmingham, Alabama, 35242

  • Pfizer Investigational Site

    Bryan, Texas, 77802

  • Pfizer Investigational Site

    Chicago, Illinois, 60053

  • Pfizer Investigational Site

    Cincinnati, Ohio, 45242

  • Pfizer Investigational Site

    Clearwater, Florida, 33761

  • Pfizer Investigational Site

    Collierville, Tennessee, 38017

  • Pfizer Investigational Site

    Columbia, Missouri, 65212

  • Pfizer Investigational Site

    DeFuniak Springs, Florida, 32435

  • Pfizer Investigational Site

    Denver, Colorado, 80204

  • Pfizer Investigational Site

    Denver, Colorado, 80206

  • Pfizer Investigational Site

    Destin, Florida, 32541

  • Pfizer Investigational Site

    Duncansville, Pennsylvania, 16635

  • Pfizer Investigational Site

    Eugene, Oregon, 97404

  • Pfizer Investigational Site

    Flowood, Mississippi, 39232

  • Pfizer Investigational Site

    Frederick, Maryland, 21702

  • Pfizer Investigational Site

    Gretna, Louisiana, 70056

  • Pfizer Investigational Site

    Gurnee, Illinois, 60031

  • Pfizer Investigational Site

    Hot Springs, Arkansas, 71913

  • Pfizer Investigational Site

    Indianapolis, Indiana, 46250

  • Pfizer Investigational Site

    Kansas City, Missouri, 64114

  • Pfizer Investigational Site

    Kenner, Louisiana, 70065

  • Pfizer Investigational Site

    Kettering, Ohio, 45429

  • Pfizer Investigational Site

    Knoxville, Tennessee, 37909-1900

  • Pfizer Investigational Site

    Longview, Texas, 75605

  • Pfizer Investigational Site

    Memphis, Tennessee, 38104

  • Pfizer Investigational Site

    Metairie, Louisiana, 70002

  • Pfizer Investigational Site

    Missoula, Montana, 59802

  • Pfizer Investigational Site

    Northridge, California, 91325

  • Pfizer Investigational Site

    Pensacola, Florida, 32503

  • Pfizer Investigational Site

    Sacramento, California, 95825

  • Pfizer Investigational Site

    San Antonio, Texas, 78213

  • Pfizer Investigational Site

    San Antonio, Texas, 78229

  • Pfizer Investigational Site

    Spokane, Washington, 99216

  • Pfizer Investigational Site

    Summerville, South Carolina, 29485

  • Pfizer Investigational Site

    Tarzana, California, 91356

  • Pfizer Investigational Site

    Trenton, New Jersey, 08611

  • Pfizer Investigational Site

    Westminster, Colorado, 80030

Other trials in United States

About this study

Official title: A 2 Week, Randomized, Double Blind, Placebo And Positive Controlled, Parallel Group, Multicenter Study Of CE-224,535 In Subjects With Osteoarthritic Pain Of The Knee

CE-224535 is a new medication being developed as an analgesic and anti-inflammatory agent for the treatment of the signs and symptoms of osteoarthritis (OA). The purpose of this study is to evaluate the analgesic and anti inflammatory efficacy and safety of CE 224,535 versus placebo and naproxen treatment in patients with OA knee pain.

Conditions
Osteoarthritis
Being tested
naproxen, CE-224535, placebo
Medical subject headings
Osteoarthritis

What participants receive

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

  • naproxenDrug

  • CE-224535Drug

  • placeboDrug

Study groups in NCT00418782
Study groupRoleWhat they receive
1Active comparatorNot described
Receives: Drug: naproxen
2ExperimentalNot described
Receives: Drug: CE-224535
3Placebo comparatorNot described
Receives: Drug: placebo

What is being measured

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

  1. To determine the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of oral multiple doses of CE 224,535 in subjects with OA of the knee

    Measured: ongoing

  2. The primary endpoint is the change from Baseline (Day 1) to Week 2 (Day 14) in the WOMAC Pain domain score.

    Measured: Day 1-14

Secondary outcomes (9)
  1. The change from Baseline to each day (Days 1 to 6) and over the average response in Days 1 to 6 using an 11 point numeric rating scale (NRS) from 0-10 on daily pain diary;

    Measured: (Days 1 to 6)

  2. Patient's Global Impression of Change (PGIC) at Week 2;

    Measured: Week 2

  3. The change from Baseline to Weeks 1 and 2 in the Patient's Global Assessment of Arthritic Condition;

    Measured: Baseline to Weeks 1 and 2

  4. The change from Baseline to Week 1 (Day 7) in the WOMAC Pain domain score;

    Measured: Day 7

  5. The change from Baseline to Weeks 1 and 2 (Days 7 and 14) in the WOMAC Stiffness domain score;

    Measured: Days 7 and 14

  6. The change from Baseline to Weeks 1 and 2 (Days 7 and 14) in the WOMAC Physical Function domain score;

    Measured: Days 7 and 14

  7. The change from Baseline to Weeks 1 and 2 (Days 7 and 14) in the WOMAC Total Score by simple summation;

    Measured: Days 7 and 14

  8. The change from Baseline to Weeks 1 and 2 (Days 7 and 14) in the WOMAC Importance Weighted Total Score;

    Measured: Days 7 and 14

  9. The change from Baseline to Weeks 1 and 2 in the Patient's Assessment of Arthritis Pain (VAS)

    Measured: Weeks 1 and 2

Timeline

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

  1. First posted5 Jan 2007 (estimated)
  2. Study startJan 2007
  3. Study completionAug 2007

Why it stopped: Results of interim analysis indicate lack of efficacy when compared to placebo.

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 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Enrolment
212 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00418782
Sponsor's protocol ID
A6341008
Status last verified
Dec 2018
First submitted
4 Jan 2007
Last updated
5 Dec 2018
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing naproxen and CE-224535 in people with Osteoarthritis, run by Pfizer at 46 sites in United States.

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 2 inclusion and 2 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: stopped early, as of the sponsor's last update on 5 Dec 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 46 sites in United States. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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

Are results available for this study?

The study was stopped early (reason given: Results of interim analysis indicate lack of efficacy when compared to placebo.). Results are not available in the source record.

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?

To determine the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of oral multiple doses of CE 224,535 in subjects with OA of the knee (time frame: ongoing). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 5 Dec 2018.

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