Completed

Effects of Behavioral Contingencies on Effects of Nitrous Oxide

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What is being tested

Data Collection

Who is being recruted

Narcotic-Related Disorders+2

+ Mental Disorders

+ Opioid-Related Disorders

Over 21 Years
See all eligibility criteria
How is the trial designed

Interventional
Study Start: June 1997
See protocol details

Summary

Principal SponsorUniversity of Chicago
Last updated: January 27, 2026
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Study start date: June 1, 1997

Actual date on which the first participant was enrolled.

The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used to assess reinforcing effects. Comparisons between nitrous oxide, opiates, and benzodiazepine antagonists will be made. To examine the effects of different behavioral contingencies in modulating the reinforcing effects of nitrous oxide in healthy volunteers.

Official TitleEffects of Behavioral Contingencies on Effects of Nitrous Oxide
NCT00000260
Principal SponsorUniversity of Chicago
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

18 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 21 Years

Range of ages for which participants are eligible to join.

Healthy volunteers allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Narcotic-Related DisordersMental DisordersOpioid-Related DisordersSubstance-Related DisordersChemically-Induced Disorders

Criteria

Please contact site for information.

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Study Objectives

Study Objectives

Primary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Suspended

University of Chicago, Anesthesia & Critical Care

Chicago, United StatesOpen University of Chicago, Anesthesia & Critical Care in Google Maps
CompletedOne Study Center