# A Study to Evaluate the Efficacy and Safety of Tapentadol (CG5503) in the Treatment of Acute Pain After Abdominal Hysterectomy

> **NCT00478023** · PHASE3 · COMPLETED · sponsor: **Grünenthal GmbH** · enrollment: 854 (actual)

## Conditions studied

- Hysterectomy
- Postoperative

## Interventions

- **DRUG:** Morphine
- **DRUG:** CG5503 IR
- **DRUG:** CG5503 IR
- **DRUG:** CG5503 IR
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00478023
- **Lead sponsor:** Grünenthal GmbH
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-05
- **Primary completion:** 2008-02
- **Final completion:** 2008-04
- **Target enrollment:** 854 (ACTUAL)
- **Last updated:** 2019-10-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00478023

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00478023, "A Study to Evaluate the Efficacy and Safety of Tapentadol (CG5503) in the Treatment of Acute Pain After Abdominal Hysterectomy". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00478023. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
