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Cocaine use, abuse and dependence is a public health problem that is directly responsible for hundreds of billions of dollars in health care expenditures per year. Relapse rates to cocaine use are high, creating a pressing need to develop effective therapies for cocaine dependence. The proposed research will focus on investigating the determinants and consequences of cocaine dependence via measurement of physiological, behavioral and subjective effects of acute doses of cocaine in healthy non-drug dependent human volunteers in the laboratory, and through examination of the effects of pharmacotherapies on the above effects of cocaine. This study will examine cocaine-derived reinforcement under week-long sub-chronic varenicline (Chantix) dosing, and under placebo conditions. The study is a within-subjects crossover design using 24 subjects. Subjects will be screened and consented into the study at the Treatment Research Center (TRC). Study visits where behavioral and physiological outcome data will be obtained will be conducted at the Clinical and Translational Research Center (CTRC) of the Hospital of the University of Pennsylvania. Subjects will be outpatients for this trial, with CTRC sessions scheduled at least one week apart.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
University of Pennsylvania, Treatment Research Center
Not yet recruiting
University of Pennsylvania
Published on BioPortfolio: 2014-08-27T03:12:55-0400
The purpose of this study is to determine whether varenicline (Chantix), is effective for the treatment of cocaine dependence.
Our proposal will enable us to study cocaine patients to determine whether varenicline can weaken brain arousal to drug cues in an fMRI imaging setting, which is what we theorize. This sup...
This is a Phase II within-subjects double-blind placebo-controlled human laboratory study. The purpose of the study is to determine the efficacy of varenicline (Chantix) for reducing cue-i...
Cocaine dependence is a significant public health concern. The proposed research will provide important clinical information regarding the efficacy of agonists replacement therapies for ma...
Cocaine addiction continues to be an important public health problem in the US with a significant cost to the individual and society. Among substance abusers, cocaine use has been recogniz...
Adherence to pharmacotherapies for tobacco dependence, such as varenicline, is necessary for effective treatment. The relationship between varenicline adherence, determined by commonly used indirect (...
Previous studies have suggested that varenicline, an α4β2 nicotinic receptor partial agonist, and α7 nicotinic receptor full agonist, may be effective for the treatment of methamphetamine (MA) depe...
Varenicline, a partial agonist for α4β2* nicotinic acetylcholine receptors (nAChRs) and a full agonist for α3β4 and α7 nAChRs, is approved for smoking cessation treatment. Although, partial agoni...
Attention-deficit hyperactivity disorder (ADHD) is overrepresented among individuals seeking treatment for substance use disorders. We previously reported that treatment with extended release mixed am...
Cocaine abuse has been reported as leading to impaired cognitive function. However, cocaine abusers commonly also abuse alcohol, which can itself produce cognitive impairment. This study, therefore, a...
The purified, alkaloidal, extra-potent form of cocaine. It is smoked (free-based), injected intravenously, and orally ingested. Use of crack results in alterations in function of the cardiovascular system, the autonomic nervous system, the central nervous system, and the gastrointestinal system. The slang term "crack" was derived from the crackling sound made upon igniting of this form of cocaine for smoking.
SMOKING of COCAINE.
Disorders related or resulting from use of cocaine.
An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.
Strong dependence, both physiological and emotional, upon morphine.
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