# Phase 3 Study of Tramadol Hydrochloride/Acetaminophen SR Tab. & Tramadol Hydrochloride/Acetaminophen Tab. in Low Back Pain Patients

> **NCT01776515** · PHASE1 · COMPLETED · sponsor: **Daewon Pharmaceutical Co., Ltd.**

## Conditions studied

- Low Back Pain

## Interventions

- **DRUG:** Tramadol hydrochloride/Acetaminophen Tab.
- **DRUG:** Tramadol hydrochloride/Acetaminophen SR Tab.

## Key facts

- **NCT ID:** NCT01776515
- **Lead sponsor:** Daewon Pharmaceutical Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-01
- **Primary completion:** 2012-03
- **Final completion:** 2012-06
- **Target enrollment:** — (—)
- **Last updated:** 2013-01-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01776515

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01776515, "Phase 3 Study of Tramadol Hydrochloride/Acetaminophen SR Tab. & Tramadol Hydrochloride/Acetaminophen Tab. in Low Back Pain Patients". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT01776515. Licensed CC0.

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