Interpersonal Psychotherapy for Posttraumatic Stress Disorder

Author(s):  
John C. Markowitz

Posttraumatic stress disorder (PTSD) is a prevalent, debilitating public health problem. It is a treatable condition, but the predominant approach to treatment has involved exposing patients to their worst fears, the reminders of their traumas. Many patients and therapists find this process unpleasant, and exposure-based treatment does not help everyone. We recently studied Interpersonal Psychotherapy (IPT), a non-exposure treatment that focuses on restoring the numbed emotions of patients with PTSD and helping patients use them to reconstruct a sense of safety in their environment. IPT focuses on patients’ feelings as helpful signals in current interpersonal encounters, not on reconstructing past traumatic events. IPT worked as well as Prolonged Exposure, the best-tested exposure-based treatment, in a randomized controlled trial for patients with chronic PTSD. Moreover, IPT had advantages for the half of patients who suffered both from PTSD and from major depression. This book describes for clinicians the use of IPT and its emotion- and attachment-based approach.

2017 ◽  
Vol 63 (1) ◽  
pp. 37-43 ◽  
Author(s):  
John C. Markowitz ◽  
Tse-Hwei Choo ◽  
Yuval Neria

Objective: The Psychotherapies for Chronic PTSD randomised trial found that three 14-week psychotherapies acutely benefitted patients with chronic posttraumatic stress disorder (PTSD). Previous research has reported sustained follow-up benefits for prolonged exposure (PE) and relaxation therapy (RT), but few comparable data exist for interpersonal psychotherapy (IPT). We describe 3-month follow-up for acute responders to all 3 treatments. Method: Acute responders, defined a priori as ≥30% improved from baseline, were reevaluated after 3-month no-treatment follow-up by independent evaluators using the Clinician-Administered PTSD Scale (CAPS). Results: Fifty of 110 initial study entrants met acute responder status at week 14. Forty-three (86%) responders entered follow-up: 23 remitters (CAPS ≤20) and 20 responders. At week 26, 27 had achieved remission status, 10 remained responders, and 6 had relapsed. Of week 14 remitters, 8 of 9 PE, all 8 IPT, and 4 of 6 RT patients remained remitted. Relapse rates were 7% (1/9) for PE, 10% (2/20) for IPT, and 33% (3/9) for RT. At week 26, PE showed greater improvement on CAPS than RT ( P = 0.048) and a trend for superiority over IPT ( P = 0.098), with no significant difference between IPT and RT. Depressive symptoms remained low during follow-up. Conclusions: These are the first systematic data on follow-up responder status and persistence of acute treatment benefits in patients receiving individual IPT for chronic PTSD. Patients generally maintained gains across treatments, fluctuating most in RT. Study limitations include small sample size and brief follow-up interval. PTSD research should employ response and remission criteria.


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