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William J. Kowalczyk
Researcher at National Institute on Drug Abuse
Publications - 44
Citations - 1513
William J. Kowalczyk is an academic researcher from National Institute on Drug Abuse. The author has contributed to research in topics: Craving & Buprenorphine. The author has an hindex of 19, co-authored 42 publications receiving 1190 citations. Previous affiliations of William J. Kowalczyk include National Institutes of Health & Hartwick College.
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Journal ArticleDOI
Preexposure prophylaxis and predicted condom use among high-risk men who have sex with men.
TL;DR: These data provide support for both behavioral disinhibition and risk compensation models and underscore the importance of developing behavioral interventions to accompany any wide-scale provision of PREP to high-risk populations.
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Abuse liability of prescription opioids compared to heroin in morphine-maintained heroin abusers.
Sandra D. Comer,Maria A. Sullivan,Robert A. Whittington,Suzanne K. Vosburg,William J. Kowalczyk +4 more
TL;DR: The data suggest that the abuse liability of buprenorphine in heroin-dependent individuals may be low, despite the fact that it produces increases in positive subjective ratings.
Journal ArticleDOI
Sex differences and hormonal influences on response to cold pressor pain in humans.
TL;DR: The notion that differences in pain perception between the sexes and among menstrual cycle phases are subtle is supported, and circulating gonadal hormones might mediate adaptation to cold pressor pain is suggested.
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Clonidine Maintenance Prolongs Opioid Abstinence and Decouples Stress From Craving in Daily Life: A Randomized Controlled Trial With Ecological Momentary Assessment
William J. Kowalczyk,Karran A. Phillips,Michelle L. Jobes,Ashley P. Kennedy,Udi E. Ghitza,Daniel Agage,John P. Schmittner,David H. Epstein,Kenzie L. Preston +8 more
TL;DR: Ecological momentary assessment showed that daily-life stress was partly decoupled from opioid craving in the clonidine group, supporting the authors' hypothesized mechanism for clonacid's benefits.
Journal ArticleDOI
Exacerbated Craving in the Presence of Stress and Drug Cues in Drug-Dependent Patients.
Kenzie L. Preston,William J. Kowalczyk,Karran A. Phillips,Michelle L. Jobes,Massoud Vahabzadeh,Jia-Ling Lin,Mustapha Mezghanni,David H. Epstein +7 more
TL;DR: Effects of momentary drug-cue exposure and stress (and their interaction) on momentary ratings of cocaine and heroin craving were tested and appeared additive for most participants, more than additive for a sizeable minority, and competitive in very few.