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Am J Psychiatry 163:2186-2188, December 2006
doi: 10.1176/appi.ajp.163.12.2186
© 2006 American Psychiatric Association
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Related Collections
* Posttraumatic Stress Disorder

Brief Report

No Improvement of Posttraumatic Stress Disorder Symptoms With Guanfacine Treatment

Thomas C. Neylan, M.D., Maryann Lenoci, M.A., Kristin W. Samuelson, Ph.D., Thomas J. Metzler, M.A., Clare Henn-Haase, Psy.D., Robert W. Hierholzer, M.D., Steven E. Lindley, M.D., Ph.D., Christian Otte, M.D., Frank B. Schoenfeld, M.D., Jerome A. Yesavage, M.D., and Charles R. Marmar, M.D.

OBJECTIVE: The authors report an 8-week, double-blind, randomized controlled trial of guanfacine versus placebo for posttraumatic stress disorder (PTSD). METHOD: Veterans with chronic PTSD who were medication-free or receiving stable pharmacotherapy were randomly assigned to guanfacine (N=29) versus placebo (N=34). RESULTS: Guanfacine had no effect on PTSD symptoms, subjective sleep quality, or general mood disturbances. Guanfacine was associated with a number of side effects. CONCLUSIONS: These results do not support the use of alpha 2 agonists in veterans with chronic PTSD.




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R. B. Lydiard and M. H. Hamner
Clinical Importance of Sleep Disturbance as a Treatment Target in PTSD
Focus, April 1, 2009; 7(2): 176 - 183.
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