# A Study Comparing the Effectiveness and Safety of ULTRACET® (Tramadol HCl/Acetaminophen) Versus Placebo for the Treatment of Acute Pain From a Migraine Headache

> **NCT00297375** · PHASE4 · COMPLETED · sponsor: **Johnson & Johnson Pharmaceutical Research & Development, L.L.C.** · enrollment: 375 (actual)

## Conditions studied

- Migraine
- Head Pain
- Headache

## Interventions

- **DRUG:** tramadol HCl/acetaminophen

## Key facts

- **NCT ID:** NCT00297375
- **Lead sponsor:** Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-04
- **Primary completion:** —
- **Final completion:** 2003-08
- **Target enrollment:** 375 (ACTUAL)
- **Last updated:** 2011-06-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00297375

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00297375, "A Study Comparing the Effectiveness and Safety of ULTRACET® (Tramadol HCl/Acetaminophen) Versus Placebo for the Treatment of Acute Pain From a Migraine Headache". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00297375. Licensed CC0.

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