Effects of Nalmefene After Single Dose on the Blood Oxygen Level Dependent (BOLD) fMRI Signal in the Ventral Striatum to Reward Responding in the Monetary Incentive Delay Task (MIDT), in Non-treatment Seeking Subjects With Alcohol Dependence Following Alcohol Challenge
Interventional, Randomized, Double-blind, Cross-over, Placebo-controlled Study to Investigate the Effects of Nalmefene After Single Dose on the Blood Oxygen Level Dependent (BOLD) Functional Magnetic Resonance Imaging (fMRI) Signal in the Ventral Striatum to Reward Responding in the Monetary Incentive Delay Task (MIDT), in Non-treatment Seeking Subjects With Alcohol Dependence Following Alcohol Challenge
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
-
London, United Kingdom, NW10 7EW
- GB801
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- The subject has alcohol dependence, diagnosed according to DSM-IV-TR™.
Exclusion Criteria:
- The subject is seeking treatment for alcohol dependence.
- The subject has had <6 heavy drinking days (HDDs) in the 4 weeks prior to the Screening Visit.
- The subject has had an average alcohol consumption below high risk levels (that is, 60 grams of alcohol/day for men) <4 weeks prior to the Screening Visit.
- The subject has >5 consecutive abstinence days in the 4 weeks prior to the Screening Visit.
- The subject has a Revised Clinical Institute Withdrawal Assessment of Alcohol Scale, (CIWA-Ar), score ≥10.
- The subject is, in the opinion of the investigator, at significant risk of suicide or meets the exclusion criteria based on C-SSRS.
Other inclusion and exclusion criteria may apply.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Nalmefene 18 mg, then placebo
18 mg nalmefene corresponds to 20 mg nalmefene hydrochloride
|
One single oral dose Nalmefene on Day 1 and Placebo on Day 8
Other Names:
|
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Placebo Comparator: Placebo, then Nalmefene 18 mg
18 mg nalmefene corresponds to 20 mg nalmefene hydrochloride
|
One single oral dose Placebo on Day 1 and Nalmefene on Day 8
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Blood oxygen level dependent (BOLD) fMRI signal in the ventral striatum to reward responding using the monetary incentive delay task (MIDT) task
Time Frame: Day 1
|
Day 1
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Safety
Time Frame: Up to Day 8 and a 10-day safety follow up
|
Number of adverse events
|
Up to Day 8 and a 10-day safety follow up
|
|
Risk of suicidality
Time Frame: Up to Day 8
|
Columbia-Suicide Severity Rating Scale (CSSRS) score
|
Up to Day 8
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 15660A
- 2013-001154-98 (EudraCT Number)
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