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A Randomized Clinical Trial of Cognitive Processing Therapy for Veterans With PTSD Related to Military Sexual Trauma
Author(s) -
Surís Alina,
LinkMalcolm Jessica,
Chard Kathleen,
Ahn Chul,
North Carol
Publication year - 2013
Publication title -
journal of traumatic stress
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.259
H-Index - 134
eISSN - 1573-6598
pISSN - 0894-9867
DOI - 10.1002/jts.21765
Subject(s) - cognitive processing therapy , randomized controlled trial , medicine , cognitive therapy , exposure therapy , population , psychiatry , cognitive behavioral therapy , clinical psychology , poison control , anxiety , emergency medicine , environmental health
In this randomized controlled clinical trial, the authors evaluated the effectiveness of cognitive processing therapy (CPT) in the treatment of self‐reported and clinician‐assessed posttraumatic stress disorder (PTSD) related to military sexual trauma (MST), along with depressive symptoms. Eighty‐six veterans (73 female, 13 male) randomly assigned to receive 12 individual sessions of either CPT or present‐centered therapy (PCT) were included in analyses. Blinded assessments occurred at baseline, posttreatment, and 2, 4, and 6 months posttreatment. Mixed‐effects model analysis revealed a significant interaction between groups ( p = .05, d = −0.85): At posttreatment, veterans who received CPT had a significantly greater reduction in self‐reported, but not clinician‐assessed, PTSD symptom severity compared to veterans who received PCT. All three primary outcome measures improved significantly, both clinically and statistically, across time in both treatment groups. Pre‐ and posttreatment effect sizes were mostly moderate to large ( d = 0.30–1.02) and trended larger in the CPT group. Although the study was impacted by treatment fidelity issues, results provide preliminary evidence for the effectiveness of CPT in reducing self‐reported PTSD symptoms in a population of veterans with MST, expanding on established literature that has demonstrated the effectiveness of CPT in treating PTSD related to sexual assault in civilian populations.