# Effects of Nitrous Oxide: A Dose-Response Analysis - 5

> **NCT00000253** · NA · COMPLETED · sponsor: **University of Chicago** · enrollment: 16 (actual)

## Conditions studied

- Opioid-Related Disorders
- Substance-Related Disorders

## Interventions

- **DRUG:** 10% N2O
- **DRUG:** 20% N2O
- **DRUG:** 30% N2O
- **DRUG:** 40% N2O

## Key facts

- **NCT ID:** NCT00000253
- **Lead sponsor:** University of Chicago
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 1994-11
- **Primary completion:** 1996-03
- **Final completion:** 1996-03
- **Target enrollment:** 16 (ACTUAL)
- **Last updated:** 2015-05-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00000253

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00000253, "Effects of Nitrous Oxide: A Dose-Response Analysis - 5". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT00000253. Licensed CC0.

---

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