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Recruiting Phase 2 Interventional

Prazosin for Alcohol Use Disorder With Withdrawal Symptoms

ClinicalTrials.gov ID: NCT04793685

Public ClinicalTrials.gov record NCT04793685. 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.

ClinicalTrials.gov public records Last synced Sep 6, 2026, 1:27 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Prazosin Treatment for Alcohol Use Disorder With Alcohol Withdrawal Symptoms

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a Phase 2 single site randomized clinical trial (RCT) to be supported by a new NIH-NIAAA grant, R01-AA029113-01, to assess the efficacy of Prazosin (16mg/day) versus Placebo over a 12 week treatment period, followed by a 1- and 3- month assessments post-treatment for individuals with Alcohol Use Disorder (AUD) and history of past or current evidence of alcohol withdrawal symptoms. If medical detoxification is required for any patient, patients would be enrolled after medical detoxification. for those not requiring detoxification, they will be enrolled directly without any requirement of alcohol abstinence. All patients will be provided behavioral counseling weekly with a trained counselor to support recovery during the trial. Primary outcome will be percent of any heavy drinking days and secondary drinking outcomes will be percent of subjects with no heavy drinking days (PSNHDD), avg drinks per drinking day and %of any drinking drinking days as well as additional secondary outcomes of craving, mood and anxiety problems.

Study identification

NCT ID
NCT04793685
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
Yale University
Other
Enrollment
150 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 70 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
Jun 30, 2021
Primary completion
Jun 29, 2026
Completion
Jun 29, 2027
Last update posted
Dec 10, 2025

2021 – 2027

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
The Yale Stress Center: Yale University New Haven Connecticut 06519 Recruiting

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 NCT04793685, 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 Dec 10, 2025 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04793685 live on ClinicalTrials.gov.

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