10 research outputs found

    Effects of switching from olanzapine, quetiapine, and risperidone to aripiprazole on 10-year coronary heart disease risk and metabolic syndrome status: Results from a randomized controlled trial

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    This study examined the clinical significance of switching from olanzapine, quetiapine, or risperidone to aripiprazole by examining changes in predicted risk of cardiovascular disease (CVD) according to the Framingham Risk Score (FRS) and metabolic syndrome status. FRS estimates 10-year risk of “hard” coronary heart disease (CHD) outcomes (myocardial infarction and coronary death) while metabolic syndrome is associated with increased risk of CVD, stroke, and diabetes mellitus

    Hypnotic efficacy of a modified triazolodiazepine, brotizolam

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    Fifty‐nine outpatients with insomnia were treated in a 3‐week study to assess the safety and efficacy of a new triazolothienodiazepine with a short t½, brotizolam. Therapy was initiated with 0.25 mg at night, but by the end of the study all subjects who were receiving brotizolam were taking 0.50 mg. Results indicate brotizolam efficacy as measured by daily subject and weekly physician questionnaires in essentially all sleep parameters, including global subject and physician evaluation of treatment efficacy, sleep latency and sleep maintenance, and quality of sleep. Tolerance to the hypnotic action of brotizolam was not observed after 21 days of daily dosing. Clinical Pharmacology and Therapeutics (1985) 37, 674–679; doi:10.1038/clpt.1985.11

    Effectiveness of Switching From Antipsychotic Polypharmacy to Monotherapy

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    Objective:This randomized trial addressed the risks and benefits of staying on antipsychotic polypharmacy or switching to monotherapy. Method:Adult outpatients with schizophrenia taking two antipsychotics (127 participants across 19 sites) were randomly assigned to stay on polypharmacy or switch to monotherapy by discontinuing one antipsychotic. The trial lasted 6 months, with a 6-month naturalistic follow-up. Kaplan-Meier and Cox regression analyses examined time to discontinuation of assigned antipsychotic treatment, and random regression models examined additional outcomes over time. Results:Patients assigned to switch to monotherapy had shorter times to all-cause treatment discontinuation than those assigned to stay on polypharmacy. By month 6, 86% (N=48) of those assigned to stay on polypharmacy were still taking both medications, whereas 69% (N=40) of those assigned to switch to monotherapy were still taking the same medication. Most monotherapy discontinuations entailed returning to the original polypharmacy. The two groups did not differ with respect to psychiatric symptoms or hospitalizations. On average, the monotherapy group lost weight, whereas the polypharmacy group gained weight. Conclusions:Discontinuing one of two antipsychotics was followed by treatment discontinuation more often and more quickly than when both antipsychotics were continued. However, two-thirds of participants successfully switched, the groups did not differ with respect to symptom control, and switching to monotherapy resulted in weight loss. These results support the reasonableness of prescribing guidelines encouraging trials of antipsychotic monotherapy for individuals receiving antipsychotic polypharmacy, with the caveat that patients should be free to return to polypharmacy if an adequate trial on antipsychotic monotherapy proves unsatisfactory

    Effects of switching from olanzapine, quetiapine, and risperidone to aripiprazole on 10-year coronary heart disease risk and metabolic syndrome status: Results from a randomized controlled trial

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    PURPOSE: This study examined the clinical significance of switching from olanzapine, quetiapine, or risperidone to aripiprazole by examining changes in predicted risk of cardiovascular disease (CVD) according to the Framingham Risk Score (FRS) and metabolic syndrome status. FRS estimates 10-year risk of “hard” coronary heart disease (CHD) outcomes (myocardial infarction and coronary death) while metabolic syndrome is associated with increased risk of CVD, stroke, and diabetes mellitus. METHOD: Changes in FRS and metabolic syndrome status were compared between patients with BMI ≥ 27 and non-HDL-C ≥ 130 mg/dL randomly assigned to stay on stable current treatment (olanzapine, quetiapine, or risperidone) or switch to treatment with aripiprazole with 24 weeks of follow-up. All study participants were enrolled in a behavioral program that promoted healthy diet and exercise. RESULTS: The pre-specified analyses included 89 switchers and 98 stayers who had post-baseline measurements needed to assess changes. Least squares mean estimates of 10-year CHD risk decreased more for the switch (from 7.0% to 5.2%) than the stay group (from 7.4% to 6.4%) (p=0.0429). The odds ratio for having metabolic syndrome (stay vs. switch) at the last observation was 1.748 (95% CI 0.919, 3.324, p=0.0885). CONCLUSION: Switching from olanzapine, quetiapine, or risperidone to aripiprazole was associated with larger reductions in predicted 10-year risk of CHD than the behavioral program alone. The advantage of switching on metabolic syndrome was not statistically significant. The benefits of switching must be balanced against its risks, which in this study included more discontinuations of the study treatment but no significant increase in symptoms or hospitalizations
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