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Nefazodone: aspects of efficacy
K Rickels1, D S Robinson, E Schweizer
1Department of Psychiatry, University of Pennsylvania, Philadelphia 19104-2649, USA.
The Journal of Clinical Psychiatry
|January 1, 1995
Summary
Nefazodone is an effective antidepressant, similar to imipramine, with fewer side effects and better patient acceptance. It shows efficacy in treating major depression, offering a well-tolerated alternative.
Area of Science:
- Psychiatry and Pharmacology
- Neuroscience
Background:
- Nefazodone hydrochloride is a serotonin 5-HT2 receptor antagonist and serotonin (5-HT) uptake inhibitor.
- Evaluated in Phase 3 trials for major depression treatment.
Purpose of the Study:
- Compare the efficacy and safety of nefazodone against imipramine and placebo.
- Assess nefazodone's effectiveness in treating major depressive disorder.
Main Methods:
- Four Phase 3 double-blind, placebo- and imipramine-controlled studies.
- Primary efficacy measures: Hamilton Rating Scale for Depression (HAM-D-17) and Clinical Global Improvement (CGI) scale.
- Safety profiles and survival analyses were conducted.
Main Results:
- Nefazodone demonstrated antidepressant efficacy comparable to imipramine in three of four studies.
- Both nefazodone and imipramine outperformed placebo on HAM-D-17 and CGI.
- Nefazodone exhibited a lower incidence of side effects and treatment discontinuations than imipramine.
Conclusions:
- Nefazodone is an effective and well-tolerated antidepressant.
- It offers improved patient acceptability and safety compared to imipramine.
- Modulates serotonin receptors, enhancing neurotransmission for depression treatment.