# COMT Inhibition Among Individuals With Comorbid AUD/ADHD

> **NCT03904498** · PHASE2 · COMPLETED · sponsor: **University of Colorado, Denver** · enrollment: 23 (actual)

## Conditions studied

- Alcohol Use Disorder
- Attention Deficit Hyperactivity Disorder

## Interventions

- **DRUG:** Tolcapone
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT03904498
- **Lead sponsor:** University of Colorado, Denver
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-08-16
- **Primary completion:** 2026-03-09
- **Final completion:** 2026-03-09
- **Target enrollment:** 23 (ACTUAL)
- **Last updated:** 2026-05-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03904498

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03904498, "COMT Inhibition Among Individuals With Comorbid AUD/ADHD". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT03904498. Licensed CC0.

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