Completed NA INTERVENTIONAL 3-arm NCT03648684

Examining Expectancy Challenges to Prevent Nonmedical Prescription Stimulant Use

Sponsor: University of Wyoming

Conditions Prescription Drug Abuse (Not Dependent)

Interventions Caffeine-Based Expectancy Challenge Placebo-Based Expectancy Challenge

Updated 7 times since 2018 Last updated: Nov 2, 2020 Started: Sep 4, 2018 Primary completion: Oct 1, 2020 Completion: Oct 1, 2020

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Prescription Drug Abuse (Not Dependent) and is currently completed. University of Wyoming leads this study, which shows 7 recorded versions since 2018 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

7 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Dec 2020 — Jan 2021 [monthly]

Completed NA

Status: Recruiting → Completed
Mar 2020 — Dec 2020 [monthly]

Recruiting NA

▶ Show 2 earlier versions

Nov 2018 — Mar 2020 [monthly]

Recruiting NA

Status: Not Yet Recruiting → Recruiting
Sep 2018 — Nov 2018 [monthly]

Not Yet Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Wyoming

Data source: University of Wyoming

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Laramie, United States