Study Stopped
The study was terminated early following enrollment of n=43 due to clinically significant increases in liver enzymes in 3 women following at least 3 weeks of dosing with both doses of ANS-6637.
HLAB-002 of ANS-6637 for Alcohol Use Disorder
Human Laboratory Study of ANS-6637 for Alcohol Use Disorder
1 other identifier
interventional
43
1 country
3
Brief Summary
Primary: The primary objective of this study was to evaluate the effects of 2 different doses of ANS-6637, 200 mg (given as 2 x 100 mg tablets) and 600 mg (given as 2 x 300 mg tablets) once a day, and matched placebo, on alcohol cue-elicited alcohol craving during a human laboratory paradigm after 1 week of daily dosing among subjects with moderate to severe alcohol use disorder (AUD) as confirmed by the Diagnostic and Statistical Manual of Mental Disorders - Fifth Edition (DSM-5â„¢). Secondary: Secondary objectives included evaluation of ANS-6637 200 mg, ANS-6637 600 mg, and matched placebo on reduction of alcohol consumption, alcohol craving, cigarette smoking (among smokers) and nicotine use (among nicotine users), mood, sleep, alcohol use negative consequences, study retention, and safety and tolerability throughout the last 4 weeks of the treatment phase of the study.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2
Started Oct 2019
Shorter than P25 for phase_2
3 active sites
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
May 28, 2019
CompletedFirst Posted
Study publicly available on registry
May 31, 2019
CompletedStudy Start
First participant enrolled
October 8, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 22, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
May 22, 2020
CompletedResults Posted
Study results publicly available
March 10, 2022
CompletedOctober 29, 2024
October 1, 2024
8 months
May 28, 2019
October 19, 2021
October 7, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Craving - "How Strong is Your Craving to Drink Alcohol" Visual Analog Scale (VAS) Item
The primary efficacy endpoint is the change in the "strength" of alcohol craving Visual Analog Scale (VAS) score for the question, "How strong is your craving to drink alcohol," in response to an alcohol cue at Week 2 - after one week of investigational product treatment. The VAS has a minimum=0 and maximum=20 with higher values indicative of greater craving for alcohol (a worse outcome).
Week 2
Secondary Outcomes (16)
Number of Subjects With no Heavy Drinking Days
Last 4 weeks of treatment, from Week 2 to Week 5
Number of Subjects Abstinent From Alcohol
Last 4 weeks of treatment, from Week 2 to Week 5
WHO 1-level Decrease in Alcohol Consumption
Last 4 weeks of treatment, from Week 2 to Week 5
WHO 2-level Decrease in Alcohol Consumption
Last 4 weeks of treatment, from Week 2 to Week 5
Percentage of Days Abstinent
Last 4 weeks of treatment, from Week 2 to Week 5
- +11 more secondary outcomes
Study Arms (3)
ANS-6637 - 200mg
ACTIVE COMPARATOR200 mg ANS-6637 (given as 2 x 100 mg tablet) once a day
ANS-6637 - 600mg
ACTIVE COMPARATOR600 mg ANS-6637 (given as 2 x 300 mg tablet) once a day
Matched Placebo
PLACEBO COMPARATOR2 placebo tablets once a day
Interventions
200 mg (given as 2 x 100 mg tablet) and 600 mg (given as 2 x 300 mg tablet) once a day
Eligibility Criteria
You may qualify if:
- Be at least 21 years of age.
- Meet the DSM-5 criteria for alcohol use disorder of at least moderate severity.
- If male, report drinking a weekly average of at least 35 drinks per week or if female report drinking a weekly average of at least 28 drinks per week for the 28-day period prior to consent.
- Have at least 1 heavy drinking day (4 or more drinks for women/5 or more drinks for men) during the 7-day period prior to randomization.
- Be seeking treatment for AUD and desire a reduction or cessation of drinking.
- Be able to verbalize an understanding of the consent form, able to provide written informed consent, verbalize willingness to complete study procedures, able to understand written and oral instructions in English and able to complete the questionnaires required by the protocol.
- Agree (if the subject is female and of child bearing potential) to use at least one of the following methods of birth control to at least 7 days post the last dose of study drug, unless she is surgically sterile, partner is surgically sterile or she is postmenopausal (one year):
- oral contraceptives,
- contraceptive sponge,
- patch,
- double barrier (diaphragm/spermicidal or condom/spermicidal),
- intrauterine contraceptive system,
- etonogestrel implant,
- medroxyprogesterone acetate contraceptive injection,
- complete abstinence from sexual intercourse, and/or hormonal vaginal contraceptive ring.
- +28 more criteria
You may not qualify if:
- Current (past 12 months) substance use disorder of at least moderate severity (4 or more criteria) for any psychoactive substance other than alcohol and nicotine, including sedatives and hypnotics, as defined by DSM-5 criteria.
- Urine drug test positive performed during screening or baseline for any of the following substances:
- benzodiazepines,
- cocaine,
- opioids,
- amphetamines,
- methamphetamine,
- buprenorphine,
- methadone,
- barbiturates,
- oxycodone,
- and/or MDMA. Note: Testing for THC was included in the urine drug test; however, subjects who tested positive for THC were still eligible to participate in the study unless they had moderate or greater severity for cannabis use disorder as indicated by DSM-5 criteria. The results for THC were recorded for information only. If positive for opioids or oxycodone but recent opiate use for acute pain was reported by the subject, then the subject could be included at the discretion of the investigator.
- VAS craving rating ("How strong is your craving to drink alcohol") during first presentation of alcohol cue \<5 during the screening cue reactivity session.
- Have been hospitalized for alcohol intoxication delirium, alcohol withdrawal delirium, alcohol-induced persisting dementia or amnestic disorder, or have had an alcohol withdrawal seizure, alcohol-induced psychotic disorder with a primary diagnosis of AUD or a history of any seizure disorder.
- Have participated in any behavioral and/or pharmacological intervention research study for the treatment of alcoholism where the last intervention was within 3 years prior to signing the informed consent.
- +29 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (3)
Yale
New Haven, Connecticut, 06519, United States
Brown University
Providence, Rhode Island, 02903, United States
Medical University of South Carolina
Charleston, South Carolina, 29425, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Limitations and Caveats
Early termination leading to small numbers of subjects analyzed.
Results Point of Contact
- Title
- Dr. Daniel Falk
- Organization
- National Institutes of Health
Study Officials
- STUDY DIRECTOR
Raye Litten, PhD
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- Double-blind
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- NIH
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 28, 2019
First Posted
May 31, 2019
Study Start
October 8, 2019
Primary Completion
May 22, 2020
Study Completion
May 22, 2020
Last Updated
October 29, 2024
Results First Posted
March 10, 2022
Record last verified: 2024-10
Data Sharing
- IPD Sharing
- Will not share
The data will be shared under a clinical trials agreement with Amygdala Neurosciences.