# 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

> **NCT00240773** · PHASE3 · COMPLETED · sponsor: **Johnson & Johnson Consumer and Personal Products Worldwide** · enrollment: 581 (actual)

## Conditions studied

- Osteoarthritis, Hip
- Osteoarthritis, Knee

## Interventions

- **DRUG:** acetaminophen
- **DRUG:** naproxen
- **DRUG:** acetaminophen
- **DRUG:** naproxen

## Key facts

- **NCT ID:** NCT00240773
- **Lead sponsor:** Johnson & Johnson Consumer and Personal Products Worldwide
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** —
- **Primary completion:** —
- **Final completion:** 2003-06
- **Target enrollment:** 581 (ACTUAL)
- **Last updated:** 2015-06-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00240773

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00240773, "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". Retrieved via AI Analytics 2026-07-07 from https://api.ai-analytics.org/clinical/NCT00240773. Licensed CC0.

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