Augmenting Massed Cognitive Processing Therapy (CPT) to Prevent Suicide Risk Among Patients With PTSD

This study is testing an enhanced version of a focused, short-course therapy called Cognitive Processing Therapy (CPT) — a type of talk therapy designed to treat PTSD — to see if it also reduces suicidal thoughts in military service members and veterans. The program adds a smartphone-based tool to the therapy to provide extra support. **You may be eligible if...** - You are an active duty service member or veteran aged 18 or older who is eligible for military medical care - You can read, write, and speak English - You have been diagnosed with PTSD or significant PTSD symptoms in the past month - You have had thoughts of suicide in the past week, or attempted or came close to attempting suicide in the past month - You regularly use an iPhone or Android smartphone **You may NOT be eligible if...** - You are in immediate crisis requiring emergency intervention for suicide or violence - You have serious mental health symptoms like mania, psychosis, or active substance use disorders needing urgent care - You are currently in active PTSD treatment using evidence-based therapies (like CPT or Prolonged Exposure Therapy) Talk to your doctor to see if this trial is right for you.