~11 spots leftby Apr 2026

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

Recruiting in Palo Alto (17 mi)
+41 other locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 2
Waitlist Available
Sponsor: Pfizer
Prior Safety Data

Trial Summary

What is the purpose of this trial?

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.

Research Team

PC

Pfizer CT.gov Call Center

Principal Investigator

Pfizer

Eligibility Criteria

Inclusion Criteria

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.

Treatment Details

Interventions

  • CE-224535 (Analgesic and Anti-inflammatory Agent)
Participant Groups
3Treatment groups
Experimental Treatment
Active Control
Placebo Group
Group I: 2Experimental Treatment1 Intervention
Group II: 1Active Control1 Intervention
Group III: 3Placebo Group1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Pfizer

Lead Sponsor

Trials
4,712
Recruited
50,980,000+
Known For
Vaccine Innovations
Top Products
Viagra, Zoloft, Lipitor, Prevnar 13

Albert Bourla

Pfizer

Chief Executive Officer since 2019

PhD in Biotechnology of Reproduction, Aristotle University of Thessaloniki

Patrizia Cavazzoni profile image

Patrizia Cavazzoni

Pfizer

Chief Medical Officer

MD from McGill University