Behavioral Health Technician Delivered Written Exposure Therapy

This study has two main goals. First, it aims to test a treatment called written exposure therapy to see if it can help military service members who have posttraumatic stress disorder (PTSD). Second, it aims to test a new way of making this therapy more accessible in military clinics by utilizing task-sharing with Behavioral Health Technicians (BHTs). PTSD is a common and serious issue among service members. Written exposure therapy (WET) has been proven to be effective for improving PTSD that requires five therapy sessions delivered weekly. This study aims to determine:

1. How well does written exposure therapy help to reduce symptoms of posttraumatic stress for service members with PTSD? 2. Is sharing the therapy tasks with behavioral health technicians is a helpful approach for managing behavioral health clinic patient volume and improving patient outcomes?

We plan to recruit a total of 40-59 staff participants, as well as 150 active-duty patient participants with PTSD. We will randomize patient participants to one of two treatment conditions: 1) treatment-as-usual (TAU) or 2) TAU and 5 sessions of WET. Staff and participants will be recruited from two military treatment facilities: 1) Fort Sam Houston in San Antonio (Brooke Army Medical Center) and 2) Camp Pendleton (Naval Hospital at Camp Pendleton).

Consented patient participants will:

* Complete a PTSD interview via telehealth with a study team member to determine if you are eligible for the study * Be randomly assigned to one of the following conditions: 1) TAU + WET or 2) TAU * Complete up to 8 weeks of behavioral health treatment (either TAU + WET or TAU) * Complete self-report measures before, during, and after treatment, and at a 3- and 6-month follow up assessment after the treatment period * Complete a posttreatment PTSD interview via telehealth with a study team member * A subset of participants will be asked to complete a brief treatment experience interview posttreatment

Consented staff participants will:

* Participate in an interview about your perceptions of and experiences supporting BHT-delivered WET with a study team member at the VAPAHCS * A subset of participants will also be asked to participate in a brief staff feedback interview approximately 6 months after their first interview