# Comparison of Analgesic Efficacy of Fentanyl, Sufentanil and Butorphanol After Remifentanil Anesthesia

> **NCT00738192** · PHASE4 · COMPLETED · sponsor: **Nanjing Medical University** · enrollment: 150 (actual)

## Conditions studied

- Postoperative Pain

## Interventions

- **DRUG:** Fentanyl citrate
- **DRUG:** Sufentanil citrate
- **DRUG:** Butorphanol tartrate

## Key facts

- **NCT ID:** NCT00738192
- **Lead sponsor:** Nanjing Medical University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-07
- **Primary completion:** 2009-03
- **Final completion:** 2009-03
- **Target enrollment:** 150 (ACTUAL)
- **Last updated:** 2009-03-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00738192

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00738192, "Comparison of Analgesic Efficacy of Fentanyl, Sufentanil and Butorphanol After Remifentanil Anesthesia". Retrieved via AI Analytics 2026-07-04 from https://api.ai-analytics.org/clinical/NCT00738192. Licensed CC0.

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