Alcohol Dependence
Conditions
Brief summary
This study will evaluate the safety and efficacy of ALKS33 (RDC-0313) compared with placebo in adults with alcohol dependence. There will be 11 study visits conducted over a period of about 4 months. The study period includes a screening visit, a 12-week treatment period, and a follow-up visit.
Detailed description
This is a multi-center, randomized, double-blind, placebo-controlled study. A 3-stage adaptive design will be used. Following screening, eligible subjects will be randomized equally to 1 of 4 groups (ALKS33 \[RDC-0313\] \[1, 2.5, OR 10 mg\], or matching placebo).
Interventions
1 mg ALKS33 (RDC-0313) taken once daily for 12 weeks
2.5 mg ALKS33 (RDC-0313) taken once daily for 12 weeks
10 mg ALKS33 (RDC-0313) taken once daily for 12 weeks
Matching placebo taken once daily for 12 weeks
Sponsors
Study design
Eligibility
Inclusion criteria
* 18 years of age or older * Current diagnosis of alcohol dependence, with recent heavy drinking (eg, 5 drinks per day for men and 4 drinks per day for women) * A noncustodial stable residence and a telephone * Women having reproductive potential must agree to use an approved method of contraception for the duration of the study * Ability to stop drinking prior to receiving study drug
Exclusion criteria
* Pregnancy and/or current breastfeeding * Past or present history of an AIDS-indicator disease * Current dependence on any drugs (exclusive of nicotine, caffeine, or alcohol) * Positive urine drug screen for benzodiazepines (unless used for a short-term basis during alcohol detoxification), opioids, amphetamines/ methamphetamines or cocaine at Visits 1 and 2 * Clinically significant medical condition * Current or anticipated need for prescribed opioid medication during the study period * Use of naltrexone within 60 days prior to screening * Current need for antidepressants (within 30 days prior to entry) * Participation in a clinical trial of a pharmacological agent within 30 days prior to screening * Parole or probation or pending legal proceedings that have the potential for incarceration during the study period
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Percent of subjects abstinent from heavy drinking | 12 Weeks |
Secondary
| Measure | Time frame |
|---|---|
| Percent of days abstinent from heavy drinking | 12 Weeks |
| Percent of days abstinent from any alcohol | 12 Weeks |
| Percent of subjects abstinent from any drinking | 12 Weeks |
| Days to relapse to first heavy drinking day | 12 Weeks |
| Incidence of Adverse Events | 12 Weeks |
| Number of drinks per drinking day | 12 Weeks |
Countries
United States