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Background While effective treatments for posttraumatic stress disorder (PTSD) exist, many individuals, including military personnel and veterans fail to respond to them. Equine‐assisted therapy (EAT), a novel PTSD treatment, may complement existing PTSD interventions. This study employs longitudinal neuro‐imaging, including structural magnetic resonance imaging (sMRI), resting state‐fMRI (rs‐fMRI), and diffusion tensor imaging (DTI), to determine mechanisms and predictors of EAT outcomes for PTSD. Method Nineteen veterans with PTSD completed eight weekly group sessions of EAT undergoing multimodal MRI assessments before and after treatment. Clinical assessments were conducted at baseline, post‐treatment and at 3‐month follow‐up. Results At post‐treatment patients showed a significant increase in caudate functional connectivity (FC) and reduction in the gray matter density of the thalamus and the caudate. The increase of caudate FC was positively associated with clinical improvement seen immediately at post‐treatment and at 3‐month follow‐up. In addition, higher baseline caudate FC was associated with greater PTSD symptom reduction post‐treatment. Conclusions This exploratory study is the first to demonstrate that EAT can affect functional and structural changes in the brains of patients with PTSD. The findings suggest that EAT may target reward circuitry responsiveness and produce a caudate pruning effect from pre‐ to post‐treatment., This study employs longitudinal neuro‐imaging, including structural magnetic resonance imaging (sMRI), resting state‐fMRI (rs‐fMRI), and diffusion tensor imaging (DTI), to determine mechanisms and predictors of EAT outcomes for PTSD.

Objective: As veterans have high rates of posttraumatic stress disorder (PTSD) and historically poor treatment outcomes and high attrition, alternative treatments have gained much popularity despite lack of rigorous research. In this study, a recently developed and manualized 8-session group Equine-Assisted Therapy for PTSD (EAT-PTSD) was tested in an open trial to assess its preliminary feasibility, acceptability, and outcomes for military veterans. Methods: The study was conducted from July 2016 to July 2019. Sixty-three treatment-seeking veterans with PTSD enrolled. PTSD diagnosis was ascertained using the Structured Clinical Interview for DSM-5, Research Version (SCID-5-RV) and confirmed using the Clinician-Administered PTSD Scale (CAPS-5). Mean age was 50 years, and 23 patients (37%) were women. Clinician and self-report measures of PTSD and depression were assessed at pretreatment, midtreatment, and posttreatment and at a 3-month follow-up. An intent-to-treat analysis and a secondary analysis of those who completed all 4 clinical assessments were utilized. Results: Only 5 patients (8%) withdrew from treatment, 4 before midtreatment and 1 afterward. Posttreatment assessment revealed marked reductions in both clinician-rated and self-reported PTSD and depression symptoms, which persisted at 3-month follow-up. Specifically, mean (SD) CAPS-5 scores fell from 38.6 (8.1) to 26.9 (12.4) at termination. Thirty-two patients (50.8%) showed clinically significant change (≥ 30% decrease in CAPS-5 score) at posttreatment and 34 (54.0%) at follow-up. Conclusions: Manualized EAT-PTSD shows promise as a potential new intervention for veterans with PTSD. It appears safe, feasible, and clinically viable. These preliminary results encourage examination of EAT-PTSD in larger, randomized controlled trials. Trial Registration: ClinicalTrials.gov identifier: NCT03068325.

The Military Family Wellness Center at Columbia University Irving Medical Center provides cost-free, confidential mental health services to military service members, veterans, and their families in a nongovernmental setting, with an emphasis on addressing gaps in available care. Partnerships with academic institutions and collaboration with veteran organizations, regional stakeholders, and local Veterans Administration centers facilitate cross-site referrals, enhance knowledge and expertise, and advance shared goals. This article describes the development of these relationships, focusing on key priorities, barriers overcome, and lessons learned. Future directions are discussed.

OBJECTIVE: Military service members and veterans have high rates of posttraumatic stress disorder (PTSD), as do military family members. Exposure-based, cognitive-behavioral approaches have received ample research; other PTSD therapies require further empirical attention. Interpersonal psychotherapy (IPT), targeting affective awareness, life circumstances, and social support, has demonstrated efficacy for civilians with PTSD but awaits rigorous testing in military personnel: only two small military pilot studies and two case reports have been published. Military family members have received minimal clinical outcomes research. Addressing these gaps, this open trial is the first to examine IPT for PTSD in veterans, service members, and family members, including a subsample of patients with comorbid PTSD/depression. METHODS: Fifty U.S. military service members, veterans, and family members were offered 14 sessions of IPT for PTSD. Psychosis, bipolar disorder, moderate or greater substance use disorder, and high suicide risk were exclusion criteria. PTSD and depressive symptoms were assessed at baseline, mid-treatment, post-treatment, and three-month follow-up. RESULTS: Clinician-assessed PTSD (Clinician-Administered PTSD Scale) and depression (Hamilton Depression scale) symptoms decreased over time in the full sample and the comorbid PTSD/depression subset (ps