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1.
Psychol Med ; 53(2): 396-407, 2023 01.
Article in English | MEDLINE | ID: mdl-33952357

ABSTRACT

BACKGROUND: Family-based treatment (FBT) is the first-line treatment for adolescent anorexia nervosa (AN). Yet, remission is not achieved for about half of adolescents with AN receiving FBT. Understanding patient- and parent-level factors that predict FBT response may inform treatment development and improve outcomes. METHODS: Network analysis was used to identify the most central symptoms of AN in adolescents who completed the Eating Disorder Examination (EDE) prior to FBT (N = 409). Bridge pathways between adolescent AN and parental self-efficacy in facilitating their child's recovery from AN were identified in a subset of participants (n = 184). Central and bridge symptoms were tested as predictors of early response (⩾2.4 kg weight gain by the fourth session of FBT) and end-of-treatment weight restoration [⩾95% expected body weight (EBW)] and full remission (⩾95% EBW and EDE score within 1 standard deviation of norms). RESULTS: The most central symptoms of adolescent AN included desiring weight loss, dietary restraint, and feeling fat. These symptoms predicted early response, but not end-of-treatment outcomes. Bridge symptoms were parental beliefs about their responsibility to renourish their child, adolescent discomfort eating in front of others, and adolescent dietary restraint. Bridge symptoms predicted end-of-treatment weight restoration, but not early response nor full remission. CONCLUSIONS: Findings highlight the prognostic utility of core symptoms of adolescent AN. Parent beliefs about their responsibility to renourish their child may maintain associations between parental self-efficacy and AN psychopathology. These findings could inform strategies to adapt FBT and improve outcomes.


Subject(s)
Anorexia Nervosa , Family Therapy , Child , Humans , Adolescent , Anorexia Nervosa/therapy , Weight Gain , Treatment Outcome , Remission Induction
2.
Contemp Clin Trials ; 120: 106889, 2022 09.
Article in English | MEDLINE | ID: mdl-35998767

ABSTRACT

BACKGROUND: Private practice clinicians make up approximately 50% of US mental health outpatient providers and treat a high number of eating disorder patients. While family-based treatment (FBT) is a first-line treatment for adolescent anorexia nervosa (AN), private practice clinicians experience difficulties receiving training in evidence-based treatments such as FBT. This report outlines the study protocol for a randomized control trial (RCT) training private practice clinicians in FBT for adolescent AN (NCT04428580). METHODS: In this study, we intend to recruit 140 private practice mental health practitioners and randomize them to complete either a standard webinar-based online training or an enhanced online training that incorporates additional modules related to the putative mechanisms of treatment effect in FBT (i.e., use of externalization and agnosticism). Following the training, participants will begin expert case consultation for an adolescent with AN using FBT from their private practice. CONCLUSION: Based on preliminary studies suggesting the importance of enhanced skills related to agnosticism and externalization, we hypothesize that feasibility data will support a larger randomized clinical trial (RCT) and that the enhanced training arm will significantly improve FBT knowledge and skills compared to the standard webinar training arm. We also expect that patient weight gain early in treatment will be associated with clinician fidelity to the inventions used in FBT regardless of training type.


Subject(s)
Anorexia Nervosa , Adolescent , Anorexia Nervosa/psychology , Anorexia Nervosa/therapy , Body Weight , Family Therapy , Feasibility Studies , Humans , Private Practice , Randomized Controlled Trials as Topic , Treatment Outcome
3.
Clin Psychol Rev ; 87: 102046, 2021 07.
Article in English | MEDLINE | ID: mdl-34048952

ABSTRACT

This report provides a review of randomized controlled trials that tested whether an eating disorder prevention program significantly reduced future onset of eating disorders, which is important because eating disorders are common and result in marked functional impairment. We identified 15 trials involving 5080 participants (mean ages ranging from 14.5 to 22.3) that reported 19 tests of whether selective eating disorder prevention programs significantly reduced future onset of eating disorders relative to some type of minimal control condition or a credible alternative intervention. Healthy lifestyle modification prevention programs, dissonance-based prevention programs, and a self-esteem/self-efficacy prevention program significantly reduced future onset of eating disorders, though the later was only evaluated in one trial. Psychoeducational, cognitive behavioral, behavioral weight gain, interpersonal, and family-therapy-based prevention programs did not significantly reduce future onset of eating disorders. The average prevention effect size was statistically significant (OR = 1.64, 95% CI = [1.09, 2.46], t = 2.54, p = .020) and there was heterogeneity in effect sizes (Q [18] = 35.96, p = .007). Prevention effects were significantly larger for trials that recruited participants with elevations on a single risk factor versus with elevations in multiple risk factors and for healthy lifestyle modification prevention programs versus cognitive behavioral prevention programs, though the remaining examined factors did not moderate intervention effect sizes (e.g., risk of bias). The fact that lifestyle modification and dissonance-based prevention programs significantly reduced future onset of eating disorders in multiple trials, producing a 54% to 77% reduction in future eating disorder onset implies that broadly implementing these prevention programs could reduce the population prevalence of eating disorders.


Subject(s)
Cognitive Dissonance , Feeding and Eating Disorders , Feeding and Eating Disorders/prevention & control , Humans , Risk Factors , Self Concept
4.
J Consult Clin Psychol ; 89(12): 1007-1019, 2021 Dec.
Article in English | MEDLINE | ID: mdl-35025541

ABSTRACT

OBJECTIVE: Provide an adequately powered tests of whether a group-delivered dissonance-based eating disorder prevention program (Body Project) is similarly effective for different racial and ethnic groups and evaluate whether an improved match between minority participant race/ethnicity and fellow group members is associated with larger effects. METHOD: Study 1 examined data from 539 young women from seven high schools and four universities and Study 2 examined data from 1,195 young women and men from 50 universities who completed the Body Project, focusing on pretest-to-posttest reductions in outcomes. RESULTS: In Study 1, reductions in thin-ideal internalization, body dissatisfaction, dieting, negative affect, and eating disorder symptoms did not significantly differ for White versus Asian, Black, and Native Americans, though we did not have power to contrast racial and ethnic minority groups. In Study 2, only one intervention effect was weaker for a minority group relative to Whites (Black vs. White participants showed smaller reductions in thin-ideal internalization), but there was evidence that intervention effects were significantly larger for Hispanic versus White and Black participants, and to a lesser extent for Hispanic versus Asian and Native Americans; these differences were partially driven by differences in pretest risk across ethnic groups. Ethnic/racial matching was not associated with larger effects. CONCLUSIONS: Results suggest that the Body Project produced relatively similar effects for racial/ethnic minority groups relative to White participants, that the effects were sometimes larger for Asian and Hispanic participants, and that recruiting Black participants at higher risk may contribute to larger effects for this racial group. (PsycInfo Database Record (c) 2022 APA, all rights reserved).


Subject(s)
Body Dissatisfaction , Feeding and Eating Disorders , Ethnic and Racial Minorities , Ethnicity , Feeding and Eating Disorders/prevention & control , Female , Humans , Male , Minority Groups
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