# Effects of Isotretinoin on CYP2D6 Activity

> **NCT03076021** · PHASE4 · COMPLETED · sponsor: **University of Washington** · enrollment: 33 (actual)

## Conditions studied

- CYP2D6 Polymorphism

## Interventions

- **DRUG:** Isotretinoin
- **DRUG:** dextromethorphan

## Key facts

- **NCT ID:** NCT03076021
- **Lead sponsor:** University of Washington
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2016-07-26
- **Primary completion:** 2023-11-27
- **Final completion:** 2023-11-27
- **Target enrollment:** 33 (ACTUAL)
- **Last updated:** 2025-01-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03076021

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03076021, "Effects of Isotretinoin on CYP2D6 Activity". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03076021. Licensed CC0.

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