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Related Experiment Videos

Trazodone dosing regimen: experience with single daily administration.

L F Fabre1

  • 1Fabre Clinic, Houston, TX 77004.

The Journal of Clinical Psychiatry
|September 1, 1990
PubMed
Summary

Trazodone is a safe antidepressant with mild side effects like sedation, making it effective for improving sleep in various patient groups. Optimal dosing involves a single bedtime dose for initial treatment, with full antidepressant efficacy achieved at 200-300 mg.

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Area of Science:

  • Pharmacology
  • Sleep Medicine
  • Psychiatry

Background:

  • Antidepressant selection hinges on side effect profile, patient acceptance, and safety, not just efficacy.
  • Trazodone exhibits a favorable safety profile, including in overdose situations, with sedation as its primary side effect.

Purpose of the Study:

  • To evaluate the efficacy and safety of trazodone, particularly its impact on sleep and optimal dosing strategies.
  • To assess trazodone's effectiveness in normal subjects, insomniac patients, and those with major depression.

Main Methods:

  • Clinical studies and sleep electroencephalogram (EEG) assessments were utilized.
  • Comparative studies examined single nighttime dosing versus multiple daytime dosing regimens.
  • Pharmacokinetic data, including a 3- to 9-hour half-life, informed dosing recommendations.

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Main Results:

  • Trazodone demonstrated efficacy in improving sleep across diverse populations.
  • No tolerance or REM rebound was observed upon discontinuation.
  • Single nighttime dosing enhanced sleep and reduced daytime drowsiness initially, with efficacy comparable to multiple daily doses upon continued administration.
  • Geriatric patients showed similar response patterns.

Conclusions:

  • Trazodone is a safe and effective option for improving sleep and treating depression, with a manageable side effect profile.
  • A bedtime-dosed regimen, starting at 150 mg and potentially increasing to 200-300 mg, is recommended for optimal antidepressant efficacy and patient acceptance.