Alcohol Dependence
Conditions
Brief summary
To contribute to the understanding of the underlying neurobiological mechanism behind the interaction of alcohol and nalmefene
Interventions
One single oral dose Nalmefene on Day 1 and Placebo on Day 8
One single oral dose Placebo on Day 1 and Nalmefene on Day 8
Sponsors
Study design
Eligibility
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
Design outcomes
Primary
| 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 | Day 1 |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Safety | Up to Day 8 and a 10-day safety follow up | Number of adverse events |
| Risk of suicidality | Up to Day 8 | Columbia-Suicide Severity Rating Scale (CSSRS) score |
Countries
United Kingdom