# Tramadol/Acetaminophen(Ultracet) AS add-on Therapy in the Treatment of Patients With Ankylosing Spondylitis

> **NCT00647517** · PHASE4 · COMPLETED · sponsor: **Chung Shan Medical University** · enrollment: 60 (actual)

## Conditions studied

- Ankylosing Spondylitis

## Interventions

- **DRUG:** Ultracet

## Key facts

- **NCT ID:** NCT00647517
- **Lead sponsor:** Chung Shan Medical University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-03
- **Primary completion:** 2009-07
- **Final completion:** 2009-07
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2010-04-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00647517

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00647517, "Tramadol/Acetaminophen(Ultracet) AS add-on Therapy in the Treatment of Patients With Ankylosing Spondylitis". Retrieved via AI Analytics 2026-07-16 from https://api.ai-analytics.org/clinical/NCT00647517. Licensed CC0.

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