Neuroimmune Dysfunction in Alcohol Use Disorder

Status Completed

Clinical Trial Summary

The objective of this proposal is to advance medication development for alcohol use disorder by examining the efficacy and mechanisms of action of minocycline, a neuroimmune modulator, as a potential treatment. This study has important clinical implications, as the available treatments for alcohol use disorder are only modestly effective and testing novel medications is a high research priority.

Clinical Trial Description

The research objective of this project is to characterize the role of the neuroimmune system in alcohol use disorder (AUD). The proposed study employs a randomized, double-blind, and placebo-controlled design to examine how neuroinflammation, as measured via neuroimaging [e.g., magnetic resonance imaging (MRI)], relates to alcohol craving, neurocognitive impairment (e.g., memory, attention, etc.), and alcohol use in non-treatment seeking individuals with AUD. The study will also determine whether minocycline (MINO), an FDA-approved antibiotic medication, affects any of the above listed measures. In the proposed study, healthy controls (n = 36) and non-treatment seeking individuals with a current Diagnostic and Statistical Manual of Mental Disorders (DSM)-5 AUD diagnosis (n = 36) will be randomized to receive either 200 mg of minocycline per day or placebo for approximately 28 days and complete two laboratory sessions. The first laboratory session will be performed immediately before commencing the medication regimen (day 0) and the second will be completed after taking the medication daily for approximately 28 days. Within each laboratory session, participants will complete a cue reactivity paradigm, neurocognitive performance tasks, and a magnetic resonance imaging (MRI) session. Additionally, blood samples will be drawn on days 0, 7, 14, 21, and 28 of treatment to measure circulating levels of proinflammatory molecules in order to identify the specific immune signaling pathways underlying neuroinflammation in AUD. Clinical labs (e.g., blood chemistry, liver function tests) and adverse events (AEs) will also be assessed at these five visits. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04210713
Study type	Interventional
Source	University of Maryland, Baltimore
Contact
Status	Completed
Phase	Phase 1
Start date	February 3, 2020
Completion date	September 20, 2023

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.