NCT03216954

Brief Summary

This study will evaluate the behavioral effects of alcohol during placebo and n-acetylcysteine maintenance using sophisticated human laboratory methods.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
14

participants targeted

Target at P25-P50 for early_phase_1

Timeline
Completed

Started Sep 2017

Typical duration for early_phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 7, 2017

Completed
6 days until next milestone

First Posted

Study publicly available on registry

July 13, 2017

Completed
2 months until next milestone

Study Start

First participant enrolled

September 15, 2017

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 23, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 23, 2020

Completed
9 months until next milestone

Results Posted

Study results publicly available

January 26, 2021

Completed
Last Updated

January 26, 2021

Status Verified

January 1, 2021

Enrollment Period

2.6 years

First QC Date

July 7, 2017

Results QC Date

December 7, 2020

Last Update Submit

January 5, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of Alcohol Drinks Chosen

    The reinforcing effects of alcohol were determined using a self-administration procedure in which subjects choose to take previously sampled doses. Reinforcing effects are measured during maintenance on placebo and n-acetylcysteine.

    After at least four days of placebo or n-acetylcysteine maintenance

Study Arms (3)

Placebo

PLACEBO COMPARATOR

Subjects will receive oral placebo capsules two times daily.

Drug: AlcoholDrug: Placebos

Low Dose n-Acetylcysteine

EXPERIMENTAL

Subjects will receive 0.6 g oral n-acetylcysteine two times daily.

Drug: AlcoholDrug: N-acetyl cysteine

High Dose n-Acetylcysteine

EXPERIMENTAL

Subjects will receive 1.2 g oral n-acetylcysteine two times daily.

Drug: AlcoholDrug: N-acetyl cysteine

Interventions

During each arm, subjects will receive doses of alcohol, designed to raise BALs to 0.015 and 0.03 g/dl.

High Dose n-AcetylcysteineLow Dose n-AcetylcysteinePlacebo

Subjects will receive placebo capsules

Placebo

Subjects will receive n-acetyl cysteine capsules

High Dose n-AcetylcysteineLow Dose n-Acetylcysteine

Eligibility Criteria

Age21 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • able to speak/read English
  • not seeking treatment at the time of the study
  • one binge drinking episode (5+/4+ standard alcoholic drinks per drinking session for men and women, respectively) in the past 30 days
  • recent alcohol use verified by ethyl glucuronide positive urine, as well as fulfillment of DSM-5 diagnostic criteria for alcohol use disorder
  • ECG within normal limits
  • otherwise healthy
  • body mass index of 19-35
  • females using an effective form of birth control and not pregnant or breast feeding
  • judged by the medical staff to be psychiatrically and physically healthy
  • able to abstain from alcohol for 12 hours prior to session
  • no contraindications/allergies to n-acetylcysteine

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Kentucky

Lexington, Kentucky, 40507, United States

Location

MeSH Terms

Conditions

Alcoholism

Interventions

EthanolAcetylcysteine

Condition Hierarchy (Ancestors)

Alcohol-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

AlcoholsOrganic ChemicalsCysteineAmino Acids, SulfurSulfur CompoundsAmino AcidsAmino Acids, Peptides, and Proteins

Results Point of Contact

Title
William W. Stoops, PhD
Organization
University of Kentucky

Study Officials

  • William W Stoops, PhD

    University of Kentucky

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

July 7, 2017

First Posted

July 13, 2017

Study Start

September 15, 2017

Primary Completion

April 23, 2020

Study Completion

April 23, 2020

Last Updated

January 26, 2021

Results First Posted

January 26, 2021

Record last verified: 2021-01

Data Sharing

IPD Sharing
Will not share

Locations