• Jonathan Davidson, Barbara O Rothbaum, Phebe Tucker, Gregory Asnis, Isma Benattia, and Jeff J Musgnung.
• Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA. david011@mc.duke.com
• J Clin Psychopharmacol. 2006 Jun 1; 26 (3): 259-67.

AbstractThis 12-week, double-blind, multicenter trial evaluated the efficacy of venlafaxine extended release (ER), sertraline, and placebo in adult outpatients (N = 538) with a primary diagnosis of posttraumatic stress disorder (PTSD), as defined in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, symptoms for 6 months or more and 17-item Clinician-administered PTSD Scale (CAPS-SX17) score of 60 or more. Patients were randomly assigned to receive placebo or flexible doses of venlafaxine ER (37.5-300 mg/d) or sertraline (25-200 mg/d) for 12 weeks or less. The primary outcome was the baseline-to-end point change in total CAPS-SX17 score (last observation carried forward). Secondary measures included CAPS-SX17 symptom cluster scores for reexperiencing/intrusion, avoidance/numbing, and hyperarousal; frequency of remission (CAPS-SX17 < or =20); and changes in Davidson Trauma Scale total score and symptom cluster scores for avoidance/numbing, hyperarousal, and reexperiencing/intrusion. Mean changes in CAPS-SX17 scores were -41.8, -39.4, and -33.9 for venlafaxine ER (P < 0.05 vs. placebo), sertraline, and placebo, respectively. Mean changes for venlafaxine ER, sertraline, and placebo in CAPS-SX17 cluster scores were -13.0, -11.7, and -11.0 for reexperiencing; -17.1, -16.8, and -13.7 (P < 0.05 both active treatments vs. placebo) for avoidance/numbing; and -11.8, -10.9, and -9.2 (P < 0.05 venlafaxine vs. placebo) for hyperarousal. Week 12 remission rates were venlafaxine ER 30.2% (P < 0.05 vs. placebo), sertraline 24.3%, and placebo 19.6%. The venlafaxine ER group had significantly better Davidson Trauma Scale total and cluster scores than placebo. Mean maximum daily doses were 225-mg venlafaxine ER and 151-mg sertraline. Both treatments were generally well tolerated. Study results suggest that venlafaxine ER is effective and well tolerated in the short-term treatment of PTSD.

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