期刊
INTERNATIONAL JOURNAL OF EATING DISORDERS
卷 55, 期 6, 页码 851-857出版社
WILEY
DOI: 10.1002/eat.23724
关键词
anorexia nervosa; behavior therapy; clinical trial; habit; MOST; relapse prevention; telehealth
资金
- National Institute of Mental Health [R34 MH12780]
This study aims to develop a relapse prevention treatment for anorexia nervosa that focuses on persistent maladaptive behaviors. Using the Multiphase Optimization Strategy (MOST) framework, the study aims to identify which components of treatment contribute to positive outcomes. The treatment consists of 6 months of outpatient telehealth sessions, with behavior, cognitive, and motivation components, as well as food monitoring and skill consolidation.
Introduction Relapse rates in anorexia nervosa (AN) are high, even after full weight restoration. This study aims to develop a relapse prevention treatment that specifically addresses persistent maladaptive behaviors (habits). Relapse Prevention and Changing Habits (REACH+) aims to support patients in developing routines that promote weight maintenance, encourage health, and challenge habits that perpetuate illness. The clinical trial design uses the Multiphase Optimization STrategy (MOST) framework to efficiently identify which components of treatment contribute to positive outcomes. Methods Participants will be 60 adults with AN who have achieved weight restoration in an inpatient setting. Treatment will consist of 6 months of outpatient telehealth sessions. REACH+ consists of behavior, cognitive, and motivation components, as well as food monitoring and a skill consolidation phase. A specialized online platform extends therapy between sessions. Participants will be randomly assigned to different versions of each component in a fractional factorial design. Outcomes will focus on maintenance of remission, measured by rate of weight loss and end-of-trial status. Interventions that contribute to remission will be included in an optimized treatment package, suitable for a large-scale clinical trial of relapse prevention in AN.
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