Massed PE
Massed vs Spaced Prolonged Exposure
Patient / Population Intervention / Exposure Comparison Outcome
In 370 service members with PTSD, 10 sessions of prolonged exposure delivered over 2 weeks achieved better PTSD symptom reduction than present-centered therapy.
N
370
Design
Single-centre RCT, US active-duty military (Fort Hood)
Endpoint
PSS-I change at posttreatment
Relevance
3
ResultMassed PE significantly superior to PCT; equivalent to spaced PE.
Foa EB, et al. JAMA. 2018;319(4):354-364. 10.1001/jama.2017.21242
Discussion & critique
Showed PE can be condensed without losing efficacy — operationally important for serving members.