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A method for evaluating anxiolytic sedatives.

R I Wang, R L Wiesen, S Stockdale

    Journal of Clinical Pharmacology
    |May 1, 1977
    PubMed
    Summary
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    This study refined methods for evaluating anxiolytics, finding lorazepam effective for anxiety. Lorazepam (a sedative) showed significant superiority over placebo with no serious adverse effects.

    Area of Science:

    • Psychiatry
    • Clinical Pharmacology

    Background:

    • Assessing the treatment effect of anxiolytic sedatives requires robust methodology.
    • Existing methods for evaluating anxiolytics have limitations in reducing variability and bias.

    Purpose of the Study:

    • To refine the methodology for evaluating the efficacy of anxiolytic drugs.
    • To identify key considerations for reducing variability and bias in anxiolytic studies.

    Main Methods:

    • A double-blind study design was employed.
    • Patients with anxiety diagnoses received lorazepam or placebo for four weeks.
    • The Hamilton Anxiety Rating Scale (HARS) and Wang Anxiety Rating Scale (WARS) were used for assessment.

    Main Results:

    • Lorazepam demonstrated significant superiority to placebo in reducing anxiety symptoms.

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  • No serious adverse effects were reported with lorazepam treatment.
  • Anxiolytic efficacy remained consistent across weekly assessments.

    • Conclusions:

    • The study successfully refined methodology for anxiolytic evaluation.
    • Lorazepam is an effective anxiolytic with a favorable safety profile.
    • Standardized rating scales like HARS and WARS are valuable tools for assessing anxiolytic efficacy.