A Safety and Effectiveness Study of Acetaminophen (4000 mg/Day) and Naproxen (750 mg/Day) in the Treatment of Osteoarthritis of the Hip or Knee
A Randomized, Double-Blind, Long-Term Comparative Study Evaluating the Safety and Efficacy of Acetaminophen (4000 mg/Day) and Naproxen (750 mg/Day) in the Treatment of Osteoarthritis of the Hip or Knee
Sponsor: Johnson & Johnson Consumer and Personal Products Worldwide
Listed as NCT00240773, this PHASE3 trial focuses on Osteoarthritis, Hip and Osteoarthritis, Knee and remains completed. Sponsored by Johnson & Johnson Consumer and Personal Products Worldwide, it has been updated 5 times since 2026, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.
Change History
5 versions recorded-
Sep 2024 — Present [monthly]
Completed PHASE3
-
Jul 2024 — Sep 2024 [monthly]
Completed PHASE3
-
Jan 2021 — Jul 2024 [monthly]
Completed PHASE3
-
Jun 2018 — Jan 2021 [monthly]
Completed PHASE3
-
Jan 2017 — Jun 2018 [monthly]
Completed PHASE3
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- Johnson & Johnson Consumer and Personal Products Worldwide
- McNeil Consumer & Specialty Pharmaceuticals, a Division of McNeil-PPC, Inc.
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
No location information available.