The present study aimed to investigate the efficacy of 60-minute sessions of prolonged exposure (PE) for patients with posttraumatic stress disorder (PTSD) in Taiwan. A systematic case study will be employed to compare the efficacy of 60-minute PE session versus standard 90-minute session with eight Taiwanese PTSD patients. Participants will include the individuals aged 18 or older who meet a diagnosis of DSM-5 PTSD and to experience moderate to severe symptoms for at least 3 months. Those who have current substance dependence, psychosis, and acute suicidality (i.e., recent suicidal ideation with intent and plan) will be excluded. Participants will receive 10-15 weekly session of PE treatment with 60- or 90-minute sessions. The investigators hypothesized that: (a) 60-minute PE is as effective as 90-minute PE in reducing PTSD and depressive symptoms as well as in promoting posttraumatic growth (PTG); and (b) the treatment gains will be maintained at 3-month follow-up.
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Interviewer-assessed PTSD diagnosis and symptoms
Timeframe: Pre-treatment through three-month follow-up