Clinical Trial

The Zonisamide and Reinforcement for Reducing Alcohol Use (ZARRA) Study

Active, Not Recruiting Phase 2
View on ClinicalTrials.gov →
Summary
A phase II randomized, double-blind, placebo-controlled clinical trial (RCT) to evaluate the ability of zonisamide (ZON) to decrease alcohol use among treatment-seeking adults with an alcohol use disorder (AUD).
Protocol Amendment History 2 changes
notable Primary completion pushed: 2026-08-31 -> 2027-08-31 2026-07-07
minor Completion pushed: 2026-08-31 -> 2027-08-31 2026-07-07
Trial Details
NCT Number NCT05134857
Lead Sponsor Washington State University
Conditions Alcohol Use Disorder (AUD)
Enrollment 205 participants
Start Date 2022-01-07
Primary Completion 2027-08-31 (estimated)
Study Completion 2027-08-31 (estimated)
Updated on ClinicalTrials.gov 2026-07-06