- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00249483
Venlafaxine to Reduce Cocaine Dependence in Depressed Individuals
Placebo-Controlled Venlafaxine Treatment for Depressed Cocaine Abusers
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Individuals addicted to cocaine often experience feelings of restlessness, irritability, and anxiety. They also often report feeling depressed when not using cocaine, and they tend to resume cocaine use to alleviate symptoms of depression. Venlafaxine is a medication that is currently used to treat depression and anxiety disorders. Preliminary research has shown that venlafaxine reduces depression, improves mood, and simultaneously reduces cocaine use in cocaine addicts. Further research is needed to confirm the benefits of venlafaxine for cocaine addicts. The purpose of this study is to evaluate the effectiveness of venlafaxine in reducing cocaine use, cocaine craving, and depression in individuals who are addicted to cocaine and diagnosed with depression.
This study will begin with a 1-week lead-in phase, during which all participants will receive placebo medication. Participants whose depression levels decrease will not continue in the treatment phase of the study, but will be eligible for cocaine relapse therapy and medication if deemed necessary by the treating psychiatrist. Participants who remain depressed following the lead-in phase will be randomly assigned to receive either venlafaxine or placebo for 12 weeks. Participants assigned to venlafaxine will initially receive a daily dose of 37.5 mg. After 4 days, the dose will be increased to 75 mg; each week thereafter, the dose will be increased by another 75 mg, up to a maximum of 300 mg per day, dependent on side effects and positive responses. Study visits will take place twice a week. At each visit, medication side effects and depression levels will be assessed, cocaine levels will be monitored with urine tests, and self-reports will be completed. Blood will be drawn once per month for laboratory tests. Participants will also attend a therapy session once a week, and they will meet with a psychiatrist every other week for assessments. Participants who show a decrease in depression during the 12 weeks of treatment will continue for an additional 12 weeks to further monitor cocaine use and depression levels.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
New York
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New York, New York, United States, 10032
- New York State Psychiatric Institute
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Meets DSM-IV diagnosis criteria for current cocaine dependence
- Used cocaine at least one day in the month prior to study entry
- Meets DSM-IV criteria for major depression or dysthymia, with depression either primary (predates earliest life-time substance abuse), depression persistent during 6 months of cocaine abstinence in the past, or depression for at least 3 months prior to study entry
- If female, willing to use contraception throughout the study
Exclusion Criteria:
- Meets DSM-IV diagnosis criteria for bipolar disorder, schizophrenia, or any psychotic disorder other than transient psychosis due to drug abuse
- Chronic organic mental disorder
- Significant risk of suicide, based on current mental state or history
- Untreated seizure disorder or history of substance-related seizures
- Unstable physical disorders that may make study participation dangerous, including hypertension, hepatitis (mildly elevated transaminase levels that are less than 4 times the upper limit or normal levels are acceptable), and diabetes
- Coronary vascular disease, as indicated by medical history, suspected by abnormal ECG, or history of heart symptoms
- Irregular heartbeat as indicated by QRS duration greater than 0.11
- Current use of other prescribed psychotropic medications
- Currently meets DSM-IV diagnosis criteria for dependence on any drugs other than nicotine, marijuana, or alcohol
- History of allergic or adverse reaction to desipramine or venlafaxine
- Prior history of failing to respond to venlafaxine
- History of alcohol withdrawal syndrome in the year prior to study entry
- Current evidence of alcohol withdrawal, such as pulse rate greater than 115 beats per minute, blood pressure greater than 140/90 mm Hg, or visible tremors
- Pregnant or breastfeeding
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
|
Placebo
|
Experimental: Venlafaxine
Venlafaxine 300mg daily
|
Venlafaxiine 300mg/day
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cocaine use
Time Frame: baseline compared to 12 weeks of study or length of participation
|
Proportion of patients achieving 3 weeks of cocaine abstinence based on self report and urine toxicology
|
baseline compared to 12 weeks of study or length of participation
|
Hamilton Depression Rating Scale
Time Frame: baseline compared to week 12 or last week of study participation
|
Proportion of patients achieving a 50% reduction in HAM-D score at week 12 compared to baseline
|
baseline compared to week 12 or last week of study participation
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Herbert Kleber, MD, New York State Psychiatric Institute
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Chemically-Induced Disorders
- Substance-Related Disorders
- Cocaine-Related Disorders
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Psychotropic Drugs
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Antidepressive Agents
- Antidepressive Agents, Second-Generation
- Serotonin and Noradrenaline Reuptake Inhibitors
- Venlafaxine Hydrochloride
Other Study ID Numbers
- #4706R NIDA-09236-14
- P50DA009236 (U.S. NIH Grant/Contract)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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