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The CB1 inverse agonist/antagonist SR141716A recently has been introduced for the management of obesity (rimonabant; Acomplia) and appears to have beneficial effects. However, its utility may be hampered in some individuals by adverse effects including nausea or emesis or by mood depression. The recent development of biochemically 'neutral' antagonists such(More)
Cannabinoid receptor 1 (CB(1)) inverse agonists (e.g., rimonabant) have been reported to produce adverse effects including nausea, emesis, and anhedonia that limit their clinical applications. Recent laboratory studies suggest that the effects of CB(1) neutral antagonists differ from those of such inverse agonists, raising the possibility of improved(More)
RATIONALE Establishing functional deficits as a result of neurotoxic dosing regimens of MDMA has been difficult. However, moderate success has been achieved when sensitive animal models and drug challenge have been used together. OBJECTIVE The present study used a repeated-acquisition technique and dose-effect determinations before, during and after(More)
Despite the knowledge that gamma-aminobutyric acid(A) modulators can affect learning and memory, their capacity for disrupting each of these complex processes is rarely compared, and often mistakenly assumed to occur with identical potency. For these reasons, the effects of flunitrazepam (0.056-3.2 mg/kg), ethanol (0.25-1.5 g/kg), and(More)
Electroencephalogram (EEG) data in nonclinical species can play a critical role in the successful evaluation of a compound during drug development, particularly in the evaluation of seizure potential and for monitoring changes in sleep. Yet, while non-invasive electrocardiogram (ECG) monitoring is commonly included in preclinical safety studies, pre-dose or(More)
RATIONALE Clinical studies have suggested that marijuana and nabilone have anxiolytic effects in humans, yet studies of anxiolytic-like effects of cannabinoid agonists in mice and rats have yielded mixed results. OBJECTIVE The purpose of the present study was to compare the effects of cannabinoid agonists and clinically used anxiolytic drugs in monkeys(More)
The nonserotonergic benzodiazepine, triazolam, was compared with two 5-HT1A receptor agonists, 8-OH-DPAT and buspirone, in squirrel monkeys responding under a repeated-acquisition procedure. In each session, subjects acquired a 4-response sequence by responding sequentially on 3 keys in the presence of 4 discriminative stimuli (colors). Response sequences(More)
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