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Rapid response to intensive treatment for bulimia nervosa and purging disorder: A randomized controlled trial of a CBT intervention to facilitate early behavior change.

Abstract：

OBJECTIVE:Rapid response to cognitive behavior therapy (CBT) for eating disorders (i.e., rapid and substantial change to key eating disorder behaviors in the initial weeks of treatment) robustly predicts good outcome at end-of-treatment and in follow up. The objective of this study was to determine whether rapid response to day hospital (DH) eating disorder treatment could be facilitated using a brief adjunctive CBT intervention focused on early change. METHOD:44 women (average age 27.3 [8.4]; 75% White, 6.3% Black, 6.9% Asian) were randomly assigned to 1 of 2 4-session adjunctive interventions: CBT focused on early change, or motivational interviewing (MI). DH was administered as usual. Outcomes included binge/purge frequency, Eating Disorder Examination-Questionnaire and Difficulties in Emotion Regulation Scale. Intent-to-treat analyses were used. RESULTS:The CBT group had a higher rate of rapid response (95.7%) compared to MI (71.4%; p = .04, V = .33). Those who received CBT also had fewer binge/purge episodes (p = .02) in the first 4 weeks of DH. By end-of-DH, CBT participants made greater improvements on overvaluation of weight and shape (p = .008), and emotion regulation (ps < .008). Across conditions, there were no significant baseline differences between rapid and nonrapid responders (ps > .05). CONCLUSIONS:The results of this study demonstrate that rapid response can be clinically facilitated using a CBT intervention that explicitly encourages early change. This provides the foundation for future research investigating whether enhancing rates of rapid response using such an intervention results in improved longer term outcomes. (PsycINFO Database Record

journal_name

J Consult Clin Psychol

journal_title

Journal of consulting and clinical psychology

authors

MacDonald DE,McFarlane TL,Dionne MM,David L,Olmsted MP

doi

10.1037/ccp0000221

subject

Has Abstract

pub_date

2017-09-01 00:00:00

pages

896-908

issue

eissn

0022-006X

issn

1939-2117

pii

2017-24204-001

journal_volume

pub_type

杂志文章,随机对照试验

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Rapid response to intensive treatment for bulimia nervosa and purging disorder: A randomized controlled trial of a CBT intervention to facilitate early behavior change.