A Study Comparing 4 Dose Regimens of PLA-695, Naproxen, and Placebo In Subjects With Osteoarthritis Of The Knee

NCT ID: NCT00396955

Last Updated: 2007-12-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE2

Total Enrollment

560 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-11-30

Study Completion Date

2007-11-30

Brief Summary

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Objectives: Primary:To assess the efficacy and safety of PLA-695 in subjects with active osteoarthritis (OA) of the knee.

Secondary:To determine the pharmacokinetics (PK) and pharmacodynamics (PD) of PLA-695 among dose levels. To assess health outcome measures. To assess the effect of PLA-695 on biomarkers related to clinical responses. To assess PLA-695 exposure-response relationship on PD, efficacy, and safety measures. To assess pharmacogenomics (PGX) analysis in OA.

Detailed Description

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This is a multi-center, randomized, double-blind, double-dummy, parallel, placebo- and positive-control (naproxen), dose-ranging study to assess the efficacy and safety of 3 oral doses of PLA-695 administered QD and 1 dose of PLA-695 administered BID for 6 weeks. Subjects will be randomized to 1 of 6 treatment groups: PLA-695 50 mg, 200 mg, or 400 mg QD, PLA-695 200 mg BID, placebo, or naproxen 500 mg BID. Subjects will undergo a washout period of 2 to 14 days. The number of days for washout will be determined by the pre-study NSAID of each subject. Subjects who washout from previous therapy with an increase in signs and symptoms of OA will be randomly assigned to receive PLA-695.

Conditions

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Osteoarthritis

Keywords

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osteoarthritis arthritis pain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Interventions

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PLA-695

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Men or women 50 to 75 years of age. Women must be of non-childbearing potential. Sexually active men who are not surgically sterile must agree and commit to use of barrier contraception during the study and for at least 12 weeks after the last dose of PLA.
* Diagnosed with idiopathic OA of the knee for at least 3 months duration in accordance with \[1986\] American College of Rheumatology (ACR) clinical and radiographic criteria: knee pain, the presence of osteophytes, and any one of the following: age \>50 years, crepitus, or morning stiffness \<30 minutes.
* Radiographic confirmation of OA at the target joint (weight-bearing anteroposterior and lateral views) within 1 year of screening.
* Must be currently treated for OA with a stable daily dose of 1 NSAID, including COX-2 inhibitors, not exceeding the maximum recommended dose in the product label, and taken as prescribed by the physician, starting at least 4 weeks before the screening visit.

Exclusion Criteria

* History of or suspected current esophageal or gastrointestinal bleeding, ulcers, obstruction, or perforation, or pancreatitis.
* Grade 4 severity on the Kellgren-Lawrence Scale on the screening target knee radiograph.
* Any significant cardiovascular, hematologic, blood dyscrasia, endocrine, respiratory, neurologic, psychiatric, metabolic, immunologic, infectious, hepatic, or renal condition that the investigator considers detrimental to the subject's participating in the study or that may prevent the successful completion of the study.
* Any clinically significant laboratory abnormality.
Minimum Eligible Age

50 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Wyeth is now a wholly owned subsidiary of Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Wyeth

Principal Investigators

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Medical Monitor

Role: STUDY_DIRECTOR

Wyeth is now a wholly owned subsidiary of Pfizer

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Argentina, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Brazil, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For China, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Hong Kong, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Hungary, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Mexico, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Netherlands, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Poland, [email protected]

Trial Manager

Role: PRINCIPAL_INVESTIGATOR

For Spain, [email protected]

Locations

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Huntsville, Alabama, United States

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Scottsdale, Arizona, United States

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Tucson, Arizona, United States

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Tucson, Arizona, United States

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Palo Alto, California, United States

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Rancho Mirage, California, United States

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Santa Maria, California, United States

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Upland, California, United States

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Delray Beach, Florida, United States

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Fort Lauderdale, Florida, United States

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Ocala, Florida, United States

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Palm Harbor, Florida, United States

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South Miami, Florida, United States

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Tampa, Florida, United States

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Idaho Falls, Idaho, United States

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Chicago, Illinois, United States

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Wichita, Kansas, United States

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Baltimore, Maryland, United States

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Frederick, Maryland, United States

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Fall River, Massachusetts, United States

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Kalamazoo, Michigan, United States

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St Louis, Missouri, United States

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Las Vegas, Nevada, United States

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Dover, New Hampshire, United States

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Mamaroneck, New York, United States

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Syracuse, New York, United States

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Charlotte, North Carolina, United States

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Duncansville, Pennsylvania, United States

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West Reading, Pennsylvania, United States

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Willow Grove, Pennsylvania, United States

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Charleston, South Carolina, United States

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Dallas, Texas, United States

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Dallas, Texas, United States

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San Antonio, Texas, United States

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Salt Lake City, Utah, United States

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Seattle, Washington, United States

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Spokane, Washington, United States

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Tacoma, Washington, United States

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Milwaukee, Wisconsin, United States

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Capital Federal, Buenos Aires, Argentina

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Capital Federal, Buenos Aires, Argentina

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Cordoba-Capital, Córdoba Province, Argentina

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San Miguel de Tucumán, Tucumán Province, Argentina

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São Paulo, São Paulo, Brazil

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Coquitlam, British Columbia, Canada

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Kelowna, British Columbia, Canada

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Langley, British Columbia, Canada

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Penticton, British Columbia, Canada

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Winnipeg, Manitoba, Canada

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Hamilton, Ontario, Canada

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Kitchener, Ontario, Canada

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London, Ontario, Canada

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Ottawa, Ontario, Canada

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Sarnia, Ontario, Canada

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Toronto, Ontario, Canada

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Montreal, Quebec, Canada

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Montreal, Quebec, Canada

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Montreal, Quebec, Canada

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Pointe-Claire, Quebec, Canada

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Québec, Quebec, Canada

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Trois-Rivières, Quebec, Canada

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Hong Kong, , Hong Kong

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Békéscsaba, , Hungary

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Budapest, , Hungary

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Debrecen, , Hungary

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Kiskunhalas, , Hungary

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Nyíregyháza, , Hungary

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Guadalajara, Jalisco, Mexico

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Monterrey, Nuevo León, Mexico

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Mexico City, , Mexico

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's-Hertogenbosch, , Netherlands

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Almere Stad, , Netherlands

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Geleen, , Netherlands

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Nijmegen, , Netherlands

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Krakow, , Poland

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Krakow, , Poland

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Szczecin, , Poland

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Warsaw, , Poland

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Wroclaw, , Poland

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A Coruña, , Spain

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Guadalajara, , Spain

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Madrid, , Spain

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Seville, , Spain

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Countries

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China United States Argentina Brazil Canada Hong Kong Hungary Mexico Netherlands Poland Spain

Other Identifiers

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3175A1-202

Identifier Type: -

Identifier Source: org_study_id