Skip to main content
Clinical Trials/NCT00000257
NCT00000257CompletedNot Applicable

Effects of Alcohol History on Effects of Nitrous Oxide

University of Chicago1 site in 1 country19 target enrollmentStarted: September 1995Last updated:
Conditions
Interventions
Drugs

Trial Snapshot

Phase
Not Applicable
Status
Completed
Enrollment
19
Locations
1
Primary Endpoint
Choice of nitrous oxide vs placebo

Study Overview

Brief Summary

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 determine effects of alcohol history on the reinforcing, subjective and psychomotor effects of nitrous oxide in healthy volunteers.

Study Design

Study Type
Interventional
Allocation
Non Randomized
Intervention Model
Crossover
Masking
Double (Participant, Investigator)

Eligibility Criteria

Ages
21 Years to 37 Years (Adult)
Sex
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • Not provided

Exclusion Criteria

  • Not provided

Arms & Interventions

Light drinkers

Active Comparator

Intervention: 0% N2O and 10% N2O (Drug)

Light drinkers

Active Comparator

Intervention: 0% N2O and 20% N2O (Drug)

Light drinkers

Active Comparator

Intervention: 0% N2O and 30% N2O (Drug)

Light drinkers

Active Comparator

Intervention: 0% N2O and 40% N2O (Drug)

Moderate drinkers

Active Comparator

Intervention: 0% N2O and 10% N2O (Drug)

Moderate drinkers

Active Comparator

Intervention: 0% N2O and 20% N2O (Drug)

Moderate drinkers

Active Comparator

Intervention: 0% N2O and 30% N2O (Drug)

Moderate drinkers

Active Comparator

Intervention: 0% N2O and 40% N2O (Drug)

Outcomes

Primary Outcomes

Choice of nitrous oxide vs placebo

Time Frame: After 30 min inhalation each of N2O and placebo

Two subject groups (light drinkers vs moderate drinkers) were asked to inhale a given conc of N2O and inhale a placebo, then choose for a third inhalation. The subject \& the technician administering the inhalant were blinded. Testing was done at each dose.

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (1)

Loading locations...

Similar Trials