COMT Inhibition Among Individuals With Comorbid AUD/ADHD
Public ClinicalTrials.gov record NCT03904498. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
COMT Inhibition as a Potential Therapeutic Target Among Individuals With Comorbid Alcohol Use Disorder and Attention-Deficit/Hyperactivity Disorder
Study identification
- NCT ID
- NCT03904498
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- University of Colorado, Denver
- Other
- Enrollment
- 23 participants
Conditions and interventions
Interventions
- Placebo Drug
- Tolcapone Drug
Drug
Eligibility (public fields only)
- Age range
- 21 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 15, 2021
- Primary completion
- Mar 8, 2026
- Completion
- Mar 8, 2026
- Last update posted
- May 3, 2026
2021 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Colorado Anschutz Medical Campus | Aurora | Colorado | 80045 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03904498, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 3, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03904498 live on ClinicalTrials.gov.