# A Study Comparing the Effectiveness and Safety of Extended-release Tramadol Versus Placebo in the Treatment of Chronic Low Back Pain

> **NCT00347724** · PHASE3 · COMPLETED · sponsor: **Bausch Health Americas, Inc.** · enrollment: 600 (—)

## Conditions studied

- Chronic Pain

## Interventions

- **DRUG:** Tramadol HCl ER

## Key facts

- **NCT ID:** NCT00347724
- **Lead sponsor:** Bausch Health Americas, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2000-11
- **Primary completion:** —
- **Final completion:** 2001-11
- **Target enrollment:** 600 (—)
- **Last updated:** 2012-06-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00347724

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00347724, "A Study Comparing the Effectiveness and Safety of Extended-release Tramadol Versus Placebo in the Treatment of Chronic Low Back Pain". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00347724. Licensed CC0.

---

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