Search Results - "Schuster, C R"

Broad Beneficial Effects of Cocaine Abstinence Reinforcement Among Methadone Patients by Silverman, Kenneth, Wong, Conrad J, Umbricht-Schneiter, Annie, Montoya, Ivan D, Schuster, Charles R, Preston, Kenzie L

“…Escalating reinforcement for sustained abstinence has been effective in treating cocaine abuse. Under this schedule, patients receive vouchers for cocaine-free…”
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Improvement in naltrexone treatment compliance with contingency management by Preston, Kenzie L., Silverman, Kenneth, Umbricht, Annie, DeJesus, Anna, Montoya, Ivan D., Schuster, Charles R.

“…The efficacy of a voucher-based incentive program for improving adherence to outpatient, thrice weekly naltrexone maintenance was tested in a three group,…”
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Buprenorphine-Induced Changes in Mu-Opioid Receptor Availability in Male Heroin-Dependent Volunteers: A Preliminary Study by Zubieta, Jon-Kar, Greenwald, Mark K, Lombardi, Umberto, Woods, James H, Kilbourn, Michael R, Jewett, Douglas M, Koeppe, Robert A, Schuster, Charles R, Johanson, Chris-Ellyn

“…A principle of opioid pharmacotherapy is that high medication doses should occupy fractionally more opioid receptors that mediate heroin effects. In this…”
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Abuse liability assessment of sibutramine, a novel weight control agent by SCHUH, L. M, SCHUSTER, C. R, HOPPER, J. A, MENDEL, C. M

“…Sibutramine (Meridia) is a serotonin and norepinephrine reuptake inhibitor marketed for weight control. Previous studies demonstrated low abuse potential for…”
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Biochemical and histological evidence that methylenedioxymethylamphetamine (MDMA) is toxic to neurons in the rat brain by Commins, D L, Vosmer, G, Virus, R M, Woolverton, W L, Schuster, C R, Seiden, L S

“…(+/-)-3,4-Methylenedioxymethylamphetamine (MDMA) was administered s.c. to rats (10, 20 or 40 mg/kg b. wt.) and guinea pigs (20 mg/kg) twice a day for 4 days, 2…”
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Increasing opiate abstinence through voucher-based reinforcement therapy by Silverman, Kenneth, Wong, Conrad J., Higgins, Stephen T., Brooner, Robert K., Montoya, Ivan D., Contoreggi, Carlo, Umbricht-Schneiter, Annie, Schuster, Charles R., Preston, Kenzie L.

“…Heroin dependence remains a serious and costly public health problem, even in patients receiving methadone maintenance treatment. This study used a…”
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Reinforcing and subjective effects of morphine in human opioid abusers : effect of dose and alternative reinforcer by HEISHMAN, S. J, SCHUH, K. J, SCHUSTER, C. R, HENNINGFIELD, J. E, GOLDBERG, S. R

“…Although most opioid self-administration research has been conducted with laboratory animals, such research with humans is necessary to answer questions unique…”
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Assessment of cocaine use with quantitative urinalysis and estimation of new uses by PRESTON, KENZIE L., SILVERMAN, KENNETH, SCHUSTER, CHARLES R., CONE, EDWARD J.

“…Qualitative urinalysis methods of monitoring cocaine use may over‐detect frequency of use, possibly decreasing the ability of clinical trials to detect…”
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Treatment of Heroin-Dependent Poly-Drug Abusers With Contingency Management and Buprenorphine Maintenance by Downey, Karen K, Helmus, Todd C, Schuster, Charles R

“…This study targeted poly-drug (cocaine plus heroin) abstinence among buprenorphine-maintained participants with a 12-week voucher-based reinforcement therapy…”
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Cocaine Use Early in Treatment Predicts Outcome in a Behavioral Treatment Program by Preston, Kenzie L, Silverman, Kenneth, Higgins, Stephen T, Brooner, Robert K, Montoya, Ivan, Schuster, Charles R, Cone, Edward J

“…In this evaluation of baseline drug use as a predictor of treatment outcome, cocaine use during a 5-week baseline was compared in methadone maintenance…”
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Acute tolerance development to the cardiovascular and subjective effects of cocaine by Fischman, M W, Schuster, C R, Javaid, J, Hatano, Y, Davis, J

“…Eight normal adult volunteer subjects received an intranasal pretreatment of either 4 (placebo) or 96 mg of cocaine. Sixty minutes later 16, 32 or 48 mg of…”
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Opioid reinforcement in heroin-dependent volunteers during outpatient buprenorphine maintenance by Greenwald, Mark K., Johanson, Chris-Ellyn, Schuster, Charles R.

“…This study examined the reinforcing effects of hydromorphone (HYD) (0, 4, 8, and 16 mg/70 kg i.m.) in heroin-dependent outpatient volunteers maintained on…”
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Novelty seeking as a predictor of treatment retention for heroin dependent cocaine users by Helmus, Todd C, Downey, Karen K, Arfken, Cynthia L, Henderson, Melinda J, Schuster, Charles R

“…This study examined the relationship between novelty seeking between treatment retention and among heroin dependent cocaine users. Participants were treated…”
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IN MEMORY: JOHN L. FALK by Schuster, C. R.

“…[...] the rats behaved very normally on various food-reinforced schedules of reinforcement. Because of the morphological changes in the motor areas of the…”
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The relationship between self-reported cocaine withdrawal symptoms and history of depression by Helmus, Todd C., Downey, Karen K., Wang, Lee M., Rhodes, Gary L., Schuster, Charles R.

“…This study examined the relationship between cocaine withdrawal and lifetime history of depression (major depression, dysthymia). Participants with a history…”
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Evaluation of phentermine and fenfluramine, alone and in combination, in normal, healthy volunteers by BRAUER, L. H, JOHANSON, C.-E, SCHUSTER, C. R, ROTHMAN, R. B, DE WIT, H

“…Recent clinical reports indicate that combined administration of phentermine and fenfluramine may have useful effects in the treatment of drug abuse. The…”
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Effect of depletion of brain serotonin by repeated fenfluramine on neurochemical and anorectic effects of acute fenfluramine by Kleven, M S, Schuster, C R, Seiden, L S

“…Fenfluramine is an anorectic agent in clinical use that is believed to act by enhancing 5-hydroxytryptamine (5-HT) neurotransmission. Tolerance to the…”
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Conditioned reinforcing effects of capsules associated with high versus low monetary payoff by JOHANSON, C.-E, MATTOX, A, SCHUSTER, C. R

“…The ability of a placebo drug capsule to serve as a conditioned reinforcer as a function of being paired with money reinforcement was evaluated. Volunteers…”
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Further evidence that amphetamines produce long-lasting dopamine neurochemical deficits by destroying dopamine nerve fibers by Ricaurte, G A, Seiden, L S, Schuster, C R

“…Methamphetamine and amphetamine were continuously administered to rats for 3 days by means of subcutaneously implanted osmotic minipumps. The total daily dose…”
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Relationship between the discriminative stimulus properties and subjective effects of drugs by Schuster, C R, Johanson, C E

“…Behavioral pharmacologists have assumed that the properties of drugs that mediate their discriminative stimulus effects are related to aspects of drug actions…”
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