# Open Randomized Controlled Trial to Evaluate the Efficacy and Safety of Remifentanil Versus Nitrous Oxide in External Cephalic Version at Term in Singleton Pregnancy in Breech Presentation

> **NCT01735669** · PHASE3 · COMPLETED · sponsor: **Hospital de Cruces** · enrollment: 120 (actual)

## Conditions studied

- Non-cephalic Presentation
- Inhalation of Nitrous Oxide
- Pregnancy Complications
- Complications; Cesarean Section
- Fetus or Neonate Affected by External Version Before Labor

## Interventions

- **DRUG:** Remifentanil
- **DRUG:** Nitrous Oxide

## Key facts

- **NCT ID:** NCT01735669
- **Lead sponsor:** Hospital de Cruces
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-07
- **Primary completion:** 2013-04
- **Final completion:** 2014-01
- **Target enrollment:** 120 (ACTUAL)
- **Last updated:** 2015-02-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01735669

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01735669, "Open Randomized Controlled Trial to Evaluate the Efficacy and Safety of Remifentanil Versus Nitrous Oxide in External Cephalic Version at Term in Singleton Pregnancy in Breech Presentation". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01735669. Licensed CC0.

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