# Effects of Subanesthetic Concentrations of Nitrous Oxide - 1

> **NCT00000249** · PHASE2 · COMPLETED · sponsor: **University of Chicago** · enrollment: 10 (actual)

## Conditions studied

- Opioid-Related Disorders
- Substance-Related Disorders

## Interventions

- **DRUG:** 20% N2O
- **DRUG:** 30% N2O
- **DRUG:** 40% N2O

## Key facts

- **NCT ID:** NCT00000249
- **Lead sponsor:** University of Chicago
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 1993-09
- **Primary completion:** 1995-06
- **Final completion:** 1995-06
- **Target enrollment:** 10 (ACTUAL)
- **Last updated:** 2015-05-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00000249

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00000249, "Effects of Subanesthetic Concentrations of Nitrous Oxide - 1". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT00000249. Licensed CC0.

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