Recruitment of practices for large-scale practice quality improvement transformation initiatives is difficult and costly. The cost of recruiting practices without existing partnerships is expensive, costing 7 times more than reaching out to familiar practices. Investigators initiating and studying practice quality improvement initiatives should budget adequate funds to support high-touch recruitment strategies, including building trusted relationships over a long time frame, for a year or more.

The purpose of this project was to identify and abstract data from randomized controlled trials (RCTs) of posttraumatic stress disorder (PTSD) interventions to support the development of a publicly accessible data repository by the National Center for Posttraumatic Stress Disorder. Key Messages • We abstracted data from 318 RCTs, including psychotherapeutic interventions (55%), pharmacologic interventions (30%), and complementary and integrative or nonpharmacologic biological treatments (15%). • Studies included community (57%) and military/veteran (43%) populations. • Less than half of the studies reported on the loss of PTSD diagnosis or clinically meaningful response/remission of symptoms. Reporting was incomplete for many data elements. • Information on gaps in the evidence may inform future research.

None of the investigators have any affiliations or financial involvement that conflicts with the material presented in this report.The information in this report is intended to help healthcare decision makers-patients and clinicians, health system leaders, and policymakers, among others-make well-informed decisions and thereby improve the quality of healthcare services. This report is not intended to be a substitute for the application of clinical judgment. Anyone who makes decisions concerning the provision of clinical care should consider this report in the same way as any medical reference and in conjunction with all other pertinent information, i.e., in the context of available resources and circumstances presented by individual patients.This report is made available to the public under the terms of a licensing agreement between the author and the Agency for Healthcare Research and Quality. This report may be used and reprinted without permission except those copyrighted materials that are clearly noted in the report. Further reproduction of those copyrighted materials is prohibited without the express permission of copyright holders. AHRQ or U.S. Department of Health and Human Services endorsement of any derivative products that may be developed from this report, such as clinical practice guidelines, other quality enhancement tools, or reimbursement or coverage policies, may not be stated or implied.AHRQ appreciates appropriate acknowledgment and citation of its work.

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