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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03035708
Other study ID # HLAB 001
Secondary ID
Status Completed
Phase Phase 1/Phase 2
First received
Last updated
Start date May 1, 2017
Est. completion date July 7, 2018

Study information

Verified date October 2019
Source National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is a double-blind, randomized, placebo-controlled, parallel group, two-site study designed to assess the effects of varenicline as compared with placebo on responses to in vivo alcohol cue exposure in the human laboratory setting.


Description:

This study is a double-blind, randomized, placebo-controlled, parallel group, two-site study designed to assess the effects of varenicline as compared with placebo on responses to in vivo alcohol cue exposure in the human laboratory setting. After signing informed consent, subjects will be screened for eligibility including medical history, physical examination, vital signs, electrocardiogram (ECG), drinking history by the timeline follow-back (TLFB) method, alcohol breathalyzer test, Clinical Institute Withdrawal Assessment for Alcohol-revised (CIWA), medication use, MINI neuropsychiatric interview, urine toxicology screen, clinical chemistry, response to cue reactivity, and Columbia Suicide Severity Rating Scale (CSSR-S). Women of child-bearting potential will have a pregnancy test. If eligible for the study, subjects will be randomized using a stratified permuted block randomization procedure in an approximate 1:1 ratio (targeting 24 subjects per group - 12 subjects per group per site) to receive either varenicline or placebo for 6 weeks. Any nicotine use versus no use (cigarettes, cigars, chewing tobacco, electronic cigarettes, etc.) in the week before randomization is the stratification variable.

Varenicline or matched placebo will be titrated over the first week of the study up the maintenance dose of 1 mg (active) or two capsules (placebo) taken orally BID for an additional 5 weeks. Subjects will be seen in the clinic at screening, at randomization and 6 other times during the study. A final follow-up telephone interview will occur during Week 9 (2 weeks after the end of study visit).

After the first two weeks and after five weeks of investigational product administration at Study Week 3 and Study Week 6, respectively, subjects will undergo a cue reactivity paradigm session (HLAB) including 4 individual visual analog scale (VAS) items assessing alcohol craving, 2 VAS items assessing emotional reactivity to picture stimuli, and 2 items assessing emotional manipulation. Immediately after the HLAB session, subjects will view each picture again and record the emotion felt using the Self-Manikin Assessment (SAM).


Recruitment information / eligibility

Status Completed
Enrollment 47
Est. completion date July 7, 2018
Est. primary completion date July 1, 2018
Accepts healthy volunteers No
Gender All
Age group 21 Years and older
Eligibility Inclusion Criteria:

To be eligible, the subject must:

- Be at least 21 years of age.

- Meet the DSM 5 criteria for alcohol use disorder of a least moderate severity (AUD-MS).

- 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, unless she is surgically sterile, partner is surgically sterile or she is postmenopausal:

1. oral contraceptives,

2. contraceptive sponge,

3. patch,

4. double barrier (diaphragm/spermicidal or condom/spermicidal),

5. intrauterine contraceptive system,

6. levonorgestrel implant,

7. medroxyprogesterone acetate contraceptive injection,

8. complete abstinence from sexual intercourse, and/or

9. hormonal vaginal contraceptive ring.

- Be able to take oral medication and be willing to adhere to the medication regimen.

- Complete all assessments required at screening and baseline.

- Have a place to live in the 2 weeks prior to randomization and not be at risk that s/he will lose his/her housing in the next 2 months.

- Not anticipate any significant problems with transportation arrangements or available time to travel to the study site over the next 2 months.

- Not have any unresolved legal problems that could jeopardize continuation or completion of the study.

- And others.

Exclusion Criteria:

- Contact site for additional information

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Varenicline
1 mg BID
Placebo oral capsule
1 mg BID

Locations

Country Name City State
United States Yale University School of Medicine New Haven Connecticut
United States Brown University Providence Rhode Island

Sponsors (1)

Lead Sponsor Collaborator
National Institute on Alcohol Abuse and Alcoholism (NIAAA)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Cue-elicited Craving The primary outcome is cue-elicited alcohol craving, operationalized as the difference in Visual Analog Scale (VAS) craving for alcohol when exposed to an alcohol cue minus the VAS craving for alcohol when exposed to a water cue. The VAS has a minimum value of 0 and maximum value of 20; higher scores indicate more craving (a worse outcome). Study Week 3
Secondary Percent Heavy Drinking Days The percentage of heavy drinking days during the last month of treatment (weeks 3-6). A heavy drinking day is defined as 4 or more drinks on a single day for females and 5 or more drinks on a single day for males. Weeks 3-6
Secondary The Percentage of Subjects Abstinent During the Last Month of Treatment (Weeks 3-6). The percentage of subjects abstinent from alcohol during the last month of treatment (weeks 3-6). Weeks 3-6
Secondary Cigarettes Smoked Per Week The number of cigarettes smoked per week during the last month of treatment (weeks 3-6) computed only among participants who were smokers at baseline (varenicline n=11; placebo n=11). Note: cigarettes smoked per week outcome data was missing for two of the varenicline participants resulting in n=9 available for analysis. Weeks 3-6
Secondary Penn Alcohol Craving Scale Penn Alcohol Craving Scale (higher numbers are indicative of more craving for alcohol); min = 0, max = 30. The measure was assessed at Study Weeks 3, 4, 5, and 6. The reported outcome is the adjusted mean total score across weeks 3-6. Study Weeks 3, 4, 5, 6 (assessed weekly during this period)
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