Prazosin to Reduce Stress-Induced Cocaine/Alcohol Craving and Relapse - Full Text View

Sponsor:	Yale University
Collaborator:	National Institutes of Health (NIH)
Information provided by:	Yale University
ClinicalTrials.gov Identifier:	NCT00585780

Purpose

To test the preliminary efficacy of 16.0 mg of Prazosin daily versus placebo in treatment seeking cocaine and/or alcohol dependent individuals. This proposal is a laboratory and treatment outcome study to examine the effects of Prazosin on brief exposure to stress, drug cues and neutral situations on cocaine/alcohol craving, mood and neurobiological reactivity in a sample of cocaine and/or alcohol dependent individuals. Prazosin will be beneficial for reduction in stress and drug cue induced craving and related arousal. In a sample of 60 cocaine and/or alcohol dependent men and women, we propose to examine (a) differences in measures of cocaine craving, emotion state, hypothalamic-pituitary-adrenal (HPA) activation, physiological arousal and plasma catecholamine response to stress imagery and to drug cue imagery as compared to neutral imagery; (b) reduction in cocaine/alcohol abstinence symptoms; and (c) improvement in cocaine and alcohol treatment outcomes as measured by increasing abstinence, reduction in cocaine/alcohol use and increased treatment attendance.

Condition	Intervention	Phase
Cocaine Dependence Alcoholism	Drug: Prazosin Drug: placebo	Phase I

Study Type:	Interventional
Study Design:	Allocation: Randomized Endpoint Classification: Safety/Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Caregiver, Investigator) Primary Purpose: Treatment
Official Title:	Prazosin to Reduce Stress-Induced Cocaine/Alcohol Craving and Relapse

Resource links provided by NLM:

MedlinePlus related topics: Alcoholism

Drug Information available for: Cocaine hydrochloride Prazosin Prazosin hydrochloride

U.S. FDA Resources

Further study details as provided by Yale University:

Primary Outcome Measures:

cocaine/alcohol use as measured by weekly urine drug screens/breathalyzer reports and self report of drug use and treatment adherence as measured by frequency of attendance [ Time Frame: 2 years ] [ Designated as safety issue: No ]

Estimated Enrollment:	60
Study Start Date:	August 2007
Estimated Study Completion Date:	June 2012
Estimated Primary Completion Date:	June 2012 (Final data collection date for primary outcome measure)

Arms	Assigned Interventions
Active Comparator: PZ Prazosin	Drug: Prazosin 4.0mg in the morning, 4.0mg at 3pm, and 8.0mg at bedtime for 8 weeks
Placebo Comparator: PLA placebo	Drug: placebo placebo

Eligibility

Ages Eligible for Study:	18 Years to 50 Years
Genders Eligible for Study:	Both
Accepts Healthy Volunteers:	No

Criteria

Inclusion Criteria:

Male or female individuals, ages 18-50, meeting current DSM-IV criteria for cocaine and/or alcohol dependence.
COCAINE SAMPLE: meet current DSM-IV criteria for cocaine dependence; documented positive urine toxicology screen for cocaine at intake
ALCOHOLIC SAMPLE: meet current DSM-IV criteria for alcohol dependence
Subject has voluntarily given informed consent and signed the informed consent document.
Able to read English and complete study evaluations.

Exclusion Criteria:

Meet current criteria for dependence on another psychoactive substance, excluding nicotine and caffeine;
Any current use of opiates or past history of opiate abuse/dependence;
Current use of any psychoactive drugs, including anxiolytics, antidepressants, naltrexone or antabuse;
Any psychotic disorder or current Axis I psychiatric symptoms requiring specific attention, including need for psychiatric medications for current major depression and anxiety disorders
Significant underlying medical conditions such as cerebral, renal, thyroid or cardiac pathology which in the opinion of study physician would preclude patient from fully cooperating or be of potential harm during the course of the study;
Abstinent from cocaine for more than two weeks prior to admission.
Hypotensive individuals with sitting blood pressure below 90/50 mmHG.

Contacts and Locations

Please refer to this study by its ClinicalTrials.gov identifier: NCT00585780

Contacts

Contact: Keri L Tuit, Psy.D.

203-737-1176

keri.tuit@yale.edu

Locations

United States, Connecticut
Yale University School of Medicine: Research Program on Stress, Addiction, and Psychopathology	Recruiting
New Haven, Connecticut, United States, 06519
Contact: Keri L Tuit, Psy.D. 203-737-1176 keri.tuit@yale.edu

Sponsors and Collaborators

Yale University

National Institutes of Health (NIH)

Investigators

Principal Investigator:

Rajita Sinha, PhD

Yale University

More Information

No publications provided

Responsible Party:	Rajita Sinha, PhD: Professor, Yale University School of Medicine
ClinicalTrials.gov Identifier:	NCT00585780 History of Changes
Other Study ID Numbers:	0705002691, P50-DA016556
Study First Received:	December 25, 2007
Last Updated:	February 4, 2011
Health Authority:	United States: Institutional Review Board

Additional relevant MeSH terms:

Alcoholism
Cocaine-Related Disorders
Alcohol-Related Disorders
Substance-Related Disorders
Mental Disorders
Prazosin
Antihypertensive Agents
Cardiovascular Agents
Therapeutic Uses

Pharmacologic Actions
Adrenergic alpha-1 Receptor Antagonists
Adrenergic alpha-Antagonists
Adrenergic Antagonists
Adrenergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs

ClinicalTrials.gov processed this record on February 09, 2012