A randomized controlled trial of an online group-based internal family systems treatment for posttraumatic stress disorder: The Program for Alleviating and Resolving Trauma and Stress (PARTS) study.
Year: 2026
Type: article
Study design: Clinical Trial
Abstract: OBJECTIVE: Group-based posttraumatic stress disorder (PTSD) treatment options are in high demand, especially at community health centers with limited staff and resources. We have developed an online telehealth-based, 16-week group psychotherapeutic intervention program called Program for Alleviating and Resolving Trauma and Stress (PARTS) based on the Internal Family Systems psychotherapy framework. The goal of this study is to test the feasibility, acceptability, and preliminary efficacy of PARTS through a randomized controlled trial. METHOD: , fifth edition. RESULTS: < .001) without significant differences between the two treatment arms. CONCLUSIONS: This study demonstrated the feasibility and acceptability of PARTS as a group-based PTSD treatment. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
DOI: 10.1037/tra0002089
Authors: Diane Joss, Alexandra Comeau, River Chevannes, Gareth Parry, Hanna Soumerai Rea, Javier Barria, Clare Bumpus, Ashley Rector, Adhithi Rajan, Joseph Rosansky, Fiona Kate Rice, Mary Catherine Ward, Laure Tobiasz Veltz, Dilara Ally, Lawrence G. Rosenberg, Martha Sweezy, David Lovas, Zev Schuman-Olivier
Institutions: Cambridge Health Alliance, Harvard University
Language: English
Subfield: Clinical Psychology
Field: Psychology
Domain: Social Sciences
Open Access status: hybrid
OpenAlex ID: W7126070512