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Clinical Trials/NCT00000250
NCT00000250
Completed
Phase 2

Cold Water Immersion Modulates Reinforcing Effects of Nitrous Oxide

University of Chicago1 site in 1 country12 target enrollmentStarted: December 1993Last updated:

Overview

Phase
Phase 2
Status
Completed
Enrollment
12
Locations
1
Primary Endpoint
Subject's choice of intervention

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. To evaluate: cold water immersion modulates the reinforcing effects of nitrous oxide in healthy volunteers.

Study Design

Study Type
Interventional
Allocation
Non Randomized
Intervention Model
Crossover
Primary Purpose
Treatment
Masking
Single (Participant)

Eligibility Criteria

Ages
21 Years to 32 Years (Adult)
Sex
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • Not provided

Exclusion Criteria

  • Not provided

Arms & Interventions

Lukewarm water

Active Comparator

Subjects will immerse forearm in lukewarm water while inhaling 0% and 40% N2O in 2 sampling trials, then choose between intervntions for one choice trial

Intervention: 0% N2O (Drug)

Lukewarm water

Active Comparator

Subjects will immerse forearm in lukewarm water while inhaling 0% and 40% N2O in 2 sampling trials, then choose between intervntions for one choice trial

Intervention: 40% N2O (Drug)

Ice cold water

Active Comparator

Subjects will immerse forearm in ice cold water while inhaling 0% and 40% N2O in 2 sampling trials, then choose between intervntions for one choice trial

Intervention: 0% N2O (Drug)

Ice cold water

Active Comparator

Subjects will immerse forearm in ice cold water while inhaling 0% and 40% N2O in 2 sampling trials, then choose between intervntions for one choice trial

Intervention: 40% N2O (Drug)

Outcomes

Primary Outcomes

Subject's choice of intervention

Time Frame: After sampling trials

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (1)

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