# Nitrous Oxide and Neuraxial Labor Analgesia Use on Maternal Fetal Outcomes

> **NCT04813874** · — · WITHDRAWN · sponsor: **Brigham and Women's Hospital**

## Conditions studied

- Pregnancy

## Interventions

- **DRUG:** Nitrous Oxide
- **PROCEDURE:** Neuraxial analgesia

## Key facts

- **NCT ID:** NCT04813874
- **Lead sponsor:** Brigham and Women's Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2016-07-01
- **Primary completion:** 2018-07-01
- **Final completion:** 2018-07-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Difficulty obtaining advanced notification of who was wanting to use nitrous
- **Last updated:** 2021-03-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04813874

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04813874, "Nitrous Oxide and Neuraxial Labor Analgesia Use on Maternal Fetal Outcomes". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04813874. Licensed CC0.

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