# Reducing the Abuse of Opioids in Drug Users

> **NCT03837860** · EARLY_PHASE1 · TERMINATED · sponsor: **The University of Texas Health Science Center at San Antonio** · enrollment: 3 (actual)

## Conditions studied

- Opioid Abuse, Unspecified
- Opioid Dependence

## Interventions

- **DRUG:** Oxycodone/Placebo
- **DRUG:** Oxycodone/Risperidone
- **DRUG:** Oxycodone/Ziprasidone

## Key facts

- **NCT ID:** NCT03837860
- **Lead sponsor:** The University of Texas Health Science Center at San Antonio
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2019-04-01
- **Primary completion:** 2021-03-23
- **Final completion:** 2022-01-21
- **Target enrollment:** 3 (ACTUAL)
- **Why stopped:** PI leaving institution
- **Last updated:** 2022-02-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03837860

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03837860, "Reducing the Abuse of Opioids in Drug Users". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03837860. Licensed CC0.

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