# Buprenorphine-Fentanyl Interaction Study

> **NCT03747341** · PHASE1 · COMPLETED · sponsor: **Indivior Inc.** · enrollment: 22 (actual)

## Conditions studied

- Healthy
- Opioid Use

## Interventions

- **DRUG:** Buprenorphine Injectable Solution - Part A
- **DRUG:** Placebo - Parts A + B
- **DRUG:** Fentanyl - Part A
- **DRUG:** Ondansetron - Parts A + B
- **DRUG:** Buprenorphine Injectable Solution - Part B
- **DRUG:** Fentanyl - Part B
- **DRUG:** Oxycodone - Part B

## Key facts

- **NCT ID:** NCT03747341
- **Lead sponsor:** Indivior Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-03-22
- **Primary completion:** 2019-01-04
- **Final completion:** 2019-01-04
- **Target enrollment:** 22 (ACTUAL)
- **Last updated:** 2025-03-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03747341

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03747341, "Buprenorphine-Fentanyl Interaction Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03747341. Licensed CC0.

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