• A 16-week clinical trial demonstrated that cognitive processing therapy combined with standard treatment significantly reduced PTSD symptoms compared to usual care alone in Japanese patients.
• The study, conducted at a Tokyo psychiatric hospital, showed a marked decrease in CAPS-5 scores from 35.97 to 22.36 in the CPT group, while control group scores remained largely unchanged.
• Beyond PTSD improvement, patients receiving cognitive processing therapy showed significant positive changes in depression, suicidal ideation, and overall disability measures, with no serious adverse events reported.