# Epidural Fentanyl-bupivacaine Versus Clonidine-bupivacaine for Breakthrough Pain in Advanced Labor

> **NCT00691795** · PHASE4 · WITHDRAWN · sponsor: **Columbia University**

## Conditions studied

- Labor Pain

## Interventions

- **DRUG:** Clonidine or fentanyl

## Key facts

- **NCT ID:** NCT00691795
- **Lead sponsor:** Columbia University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** —
- **Primary completion:** —
- **Final completion:** 2011-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study was recently terminated due to poor enrollment - never enrolled.
- **Last updated:** 2012-02-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00691795

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00691795, "Epidural Fentanyl-bupivacaine Versus Clonidine-bupivacaine for Breakthrough Pain in Advanced Labor". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00691795. Licensed CC0.

---

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