Clinical and treatment context
The VA/DoD guideline gives a strong recommendation for individual manualized cognitive processing therapy (CPT), prolonged exposure (PE) and eye movement desensitization and reprocessing (EMDR). These approaches are distinct; EMDR should not be folded into a generic CBT label. CPT addresses trauma-related meanings and beliefs, whereas PE uses a planned exposure protocol. The guideline’s recommendation is a clinical judgment incorporating evidence and implementation considerations, rather than a claim that every outcome has high certainty (U.S. Department of Veterans Affairs & U.S. Department of Defense, 2023).
Sources: U.S. Department of Veterans Affairs & U.S. Department of Defense, 2023
Active comparisons change the conclusion
A large veteran trial found improvement with both PE and CPT. PE’s statistical advantage was smaller than the trial’s prespecified threshold for a clinically important between-treatment difference. Treatment dropout was substantial and higher for PE (Schnurr et al., 2022). A small average difference cannot select the best treatment for every individual. Preference, burden and likelihood of completing a protocol have practical importance alongside symptom scores. Improvement within either group should also be kept separate from an estimate against untreated participants: this trial compared two active treatments.
Sources: Schnurr et al., 2022
What brief written exposure adds
Sloan et al. (2023) found therapist-led written exposure therapy (WET) noninferior to PE under a prespecified margin, with lower treatment dropout. The shorter protocol is an important service-delivery development. Noninferiority means the results met a defined statistical boundary; it does not mean every outcome was identical. Much treatment occurred by clinician videoconference, and the study excluded important clinical risks. The writing was embedded in assessed, manualized care. A blank journal, an unstructured trauma prompt and a clinician-delivered exposure protocol are different interventions even when all involve words on a page.
Sources: Sloan et al., 2023
Population, durability and safety
A 2024 meta-analysis did not detect weaker psychotherapy effects in trials involving multiple rather than single traumatic events (Hoppen et al., 2024). This counters a simple assumption that repeated trauma rules out benefit. Nevertheless, trauma history was not randomly assigned, and multiple-event exposure does not establish a diagnosis of complex PTSD. The result cannot guarantee equivalent outcomes for dissociation, ongoing danger or every comorbid condition. Veteran trials, often dominated by men, also leave questions about other populations. The selected head-to-head trials extend follow-up for months rather than establishing lifelong relapse prevention. Reported exclusions and adverse events should remain visible when interpreting safety.
Sources: Schnurr et al., 2022; Sloan et al., 2023; Hoppen et al., 2024
Digital relevance and future work
The product implication is to preserve boundaries around trauma processing. Educational material can describe treatment options and help a reader discuss care preferences; prompting detailed exposure without an appropriate assessment and support model is a different proposition. This is a proposed design distinction, not evidence that a feature is safe. Direct evaluation should record distress, deterioration, disengagement and functioning as well as symptom change, and should specify how clinical escalation works. Research should examine civilian and culturally diverse populations, older adults, comorbidity and outcomes after treatment ends. None of the cited studies evaluates the company’s apps or establishes AI-guided trauma-treatment efficacy.
Sources: U.S. Department of Veterans Affairs & U.S. Department of Defense, 2023; Sloan et al., 2023; Hoppen et al., 2024
References
Links open the original papers or official sources. Access labels describe the material assessed for this review.
U.S. Department of Veterans Affairs, & U.S. Department of Defense (2023). VA/DoD Clinical Practice Guideline for Management of Posttraumatic Stress Disorder and Acute Stress Disorder. VA/DoD clinical practice guideline, version 4.0.
Access assessed: Official full guideline PDF.
Schnurr, P. P., Chard, K. M., Ruzek, J. I., Chow, B. K., Resick, P. A., Foa, E. B., Marx, B. P., Friedman, M. J., Bovin, M. J., Caudle, K. L., Castillo, D., Curry, K. T., Hollifield, M., Huang, G. D., Chee, C. L., Astin, M. C., Dickstein, B., Renner, K., Clancy, C. P., Collie, C., Maieritsch, K., Bailey, S., Thompson, K., Messina, M., Franklin, L., Lindley, S., Kattar, K., Luedtke, B., Romesser, J., McQuaid, J., Sylvers, P., Varkovitzky, R., Davis, L., MacVicar, D., & Shih, M.-C. (2022). Comparison of Prolonged Exposure vs Cognitive Processing Therapy for Treatment of Posttraumatic Stress Disorder Among US Veterans: A Randomized Clinical Trial. JAMA Network Open, 5(1), e2136921. 10.1001/jamanetworkopen.2021.36921
Access assessed: Publisher full text.
Sloan, D. M., Marx, B. P., Acierno, R., Messina, M., Muzzy, W., Gallagher, M. W., Litwack, S., & Sloan, C. (2023). Written Exposure Therapy vs Prolonged Exposure Therapy in the Treatment of Posttraumatic Stress Disorder: A Randomized Clinical Trial. JAMA Psychiatry, 80(11), 1093–1100. 10.1001/jamapsychiatry.2023.2810
Access assessed: Publisher full text.
Hoppen, T. H., Meiser-Stedman, R., Kip, A., Birkeland, M. S., & Morina, N. (2024). The efficacy of psychological interventions for adult post-traumatic stress disorder following exposure to single versus multiple traumatic events: a meta-analysis of randomised controlled trials. The Lancet Psychiatry, 11(2), 112–122. 10.1016/S2215-0366(23)00373-5
Access assessed: Indexed complete PubMed abstract and bibliographic record; full article not appraised.
This evidence review is educational. It does not provide an individual diagnosis or treatment plan. Read the review methods, access limits, and clinical-review status.