# An Effectiveness and Safety Study of Acetaminophen Extended Release Caplets in Treating Muscle Aches and Soreness That Occur After a Marathon Race

> **NCT00240851** · PHASE4 · COMPLETED · sponsor: **Johnson & Johnson Consumer and Personal Products Worldwide** · enrollment: 665 (actual)

## Conditions studied

- Pain

## Interventions

- **DRUG:** acetaminophen extended release

## Key facts

- **NCT ID:** NCT00240851
- **Lead sponsor:** Johnson & Johnson Consumer and Personal Products Worldwide
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** —
- **Primary completion:** —
- **Final completion:** 2004-02
- **Target enrollment:** 665 (ACTUAL)
- **Last updated:** 2015-06-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00240851

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00240851, "An Effectiveness and Safety Study of Acetaminophen Extended Release Caplets in Treating Muscle Aches and Soreness That Occur After a Marathon Race". Retrieved via AI Analytics 2026-08-21 from https://api.ai-analytics.org/clinical/NCT00240851. Licensed CC0.

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