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Human Cytochromes and Some Newer Antidepressants: Kinetics, Metabolism, and Drug Interactions

Greenblatt, David J.; von Moltke, Lisa L.; Harmatz, Jerold S.; Shader, Richard I.

Journal of Clinical Psychopharmacology: October 1999 - Volume 19 - Issue 5 - p 23S-35S
The Pharmacology And Pharmacoeconomics Of Citalopram

The appearance of selective serotonin reuptake inhibitor antidepressants in the mid-1980s caused the discipline of clinical psychopharmacology to refocus attention to the topics of drug metabolism and drug interactions. This article reviews the metabolic profiles of some newer antidepressants, the clinical implications of metabolic properties, and research methodology that can be applied in determining which specific human cytochromes P450 (CYP) mediate metabolic pathways. Also reviewed are the relative activities of various new antidepressants as inhibitors of CYPs, and the benefits and drawbacks of in vivo and in vitro methodologies for identification and quantitation of drug interactions.

Department of Pharmacology and Experimental Therapeutics and the Division of Clinical Pharmacology, Tufts University School of Medicine and New England Medical Center, Boston, Massachusetts

Address requests for reprints to: David J. Greenblatt, MD, Department of Pharmacology and Experimental Therapeutics, Tufts University School of Medicine, 136 Harrison Avenue, Boston, MA 02111. Address e-mail to:

© 1999 Lippincott Williams & Wilkins, Inc.