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Minocycline's Effects on Alcohol Responses in Humans

Minocycline's Effects on Alcohol Responses in Humans

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02187211
Enrollment
54
Registered
2014-07-10
Start date
2015-07-01
Completion date
2018-11-01
Last updated
2020-03-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Alcohol Dependence

Keywords

Alcohol Dependence, Minocycline

Brief summary

This is a double-blind, placebo-controlled, outpatient study with a between-groups design. Sixty male and female heavy social drinkers will be randomly assigned to minocycline (200 or 400 mg/day) or placebo for 10 days. In the first 7 days of treatment, subjects will have 3 outpatient visits for medication administration, dispensing of take-home doses and monitoring of any adverse effects from study medications. On days 8 and 10 of treatment, subjects will have 2 laboratory sessions where alcohol or placebo will be administered intravenously using a clamp procedure. Alcohol administration will use a breath alcohol concentration (BrAc) method, targeting 100 mg %. The alcohol clamp procedure will allow collection of multiple outcome measures including subjective, motor, cognitive measurement and plasma cytokine levels.

Interventions

DRUGMinocycline

Sponsors

United States Department of Defense
CollaboratorFED
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
CollaboratorNIH
Yale University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
21 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

1. Male and females, between the ages of 21 and 50; 2. Heavy social drinkers who are defined as consuming ≥10 standard alcoholic drinks per week with one to five weekly binge drinking episodes, (5 plus drinks per occasion for men; 4 plus drinks for women). No maximum level of alcohol consumption will be defined a priori but individuals who met current DSM -IV criteria for AUD will be excluded from the study; 3. No current drug use disorder of any drugs of abuse (except alcohol and tobacco); 4. No current medical problems and normal ECG; 5) For women, not pregnant as determined by pregnancy screening nor breast feeding, and using acceptable birth control methods.

Exclusion criteria

1. Current major psychiatric illnesses including mood, psychotic, or anxiety disorders; 2. History of major medical illnesses; including liver diseases, heart disease, chronic pain or other medical conditions that the physician investigator deems contraindicated for the subject to be in the study; 3. Liver function tests (ALT or AST) greater than 3 times normal; 4. Allergy to minocycline or other tetracyclines; 5. Participants who at any appointment have a Clinical Institute Withdrawal Assessment Scale (CIWA) \[36, 37\] score of 4 or greater, or who report any history of alcohol withdrawal within the past 6 months.

Design outcomes

Primary

MeasureTime frameDescription
Biphasic Alcohol Effects Scale (BAES)Days 1-10BAES will be used to measure the stimulant and sedative effects of alcohol during the test sessions. This instrument has been found to be a sensitive and reliable measure to study medication influences on alcohol effects

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026