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Prolonged use of high-dose anabolic-androgenic steroids (AAS) may induce a dependence syndrome, and emerging evidence suggests that AAS effects on endogenous opioid systems may contribute to AAS abuse. The present study tested the hypothesis that high dose AAS treatment enhances endogenous opioid activity in rhesus monkeys as revealed by 1) tolerance to the(More)
Gender differences after acute cocaine administration have received little attention in spite of the fact that males and females respond differently to many drugs. Seven male and seven female occasional cocaine users received both an intranasal dose of cocaine hydrochloride (0.9 mg/kg) and placebo powder in a randomized order and reported subjective effects(More)
BACKGROUND Many patients with affective illness show partial or otherwise unsatisfactory responses to standard treatments, encouraging trials of combinations of pharmacologically dissimilar antidepressants. METHOD Records of consecutive outpatients with affective disorders only partially responsive to treatment with a serotonin reuptake inhibitor (SRI) or(More)
BACKGROUND To determine the efficacy and tolerance of long-term clozapine therapy in refractory affective illness. METHOD Hospital records were reviewed for 193 treatment-resistant patients with a discharge diagnosis of bipolar disorder (N = 52), schizoaffective disorder (N = 81), unipolar depression (N = 14), schizophrenia (N = 40), or other disorders (N(More)
OBJECTIVE Using a heuristic model of suicidal ideation and behavior, the two objectives were to identify correlates of (1) unique suicide-related outcomes (ideation, planning, planned attempt, unplanned attempt) and (2) specific transitions from one suicide-related category to the next. METHOD Analyses were conducted with data from the Collaborative Study(More)
Scatter factor (SF) (also known as hepatocyte growth factor [HGF]) is a fibroblast-derived cytokine that stimulates motility, proliferation, and morphogenesis of epithelia. SF may play major roles in development, repair, and carcinogenesis. However, the physiologic signals that regulate its production are not well delineated. We found that various human(More)
BACKGROUND Some reports suggest that a subset of depressed patients may experience suicidality - that is increase or emergence of suicidal ideation (SI) or behavior--after initiation of an antidepressant. The time course and clinical correlates of this phenomenon have not been characterized in detail. METHOD We conducted a secondary analysis of a(More)
A small but significant percentage of opioid-dependent patients will require neuroleptic treatment. Several classes of drugs have been shown to affect opioid metabolism. Two patients who were hospitalized with a diagnosis of opioid dependence received concomitant treatment with opioids and risperidone. After receiving risperidone for several days, both(More)
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