Publications by authors named "Janet A Lydecker"

Ali et al.'s (2024) systematic review and meta-analysis updated a previous meta-analysis on the gap between the need for eating disorder treatment and rates of seeking and receiving eating disorder treatment. They found that less than one-third of individuals with eating disorders sought help for their eating disorder, which was an improvement of only 8% over more than a decade.

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Objective: In cross-sectional and retrospective research, parental binge eating is associated with their children's eating psychopathology. The current study extended the evidence by cross-sectionally and longitudinally examining the relation between parental binge eating and binge eating and weight-control behaviors in the next generation of their adolescent children and young adult children in a population-based sample.

Methods: Adolescents (Time 1: M = 14.

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Objective: The objective of this study was to test the feasibility and acceptability of a treatment for weight bullying.

Method: Participants who had experienced weight-related bullying and were currently experiencing traumatic stress were recruited and enrolled in a feasibility trial of trauma-focused cognitive behavioral therapy combined with cognitive-behavioral therapy for eating disorders (TF-CBT-WB). Thirty adolescents (aged 11-17) were determined eligible and 28 began treatment (12 weeks).

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Objective: Although rates of weight discrimination are on-par with racial, ethnic, and gender discrimination, comparatively less work has examined impacts of weight-based discrimination in youth, including on disordered eating. Knowing whether experiences of weight-based discrimination, including in youth with multiply-marginalized identities, are associated with disordered eating could identify vulnerable youth and inform intervention efforts.

Method: Youth (N = 11,875) ages 10-11 were recruited through the Adolescent Brain Cognitive Development (ABCD) study.

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Objective: Psychometric studies evaluating the reliability of eating-disorder assessment among individuals with binge-eating disorder (BED) have been limited. The current study documents the interrater reliability and internal consistency of the Eating Disorder Examination (EDE) interview when administered to adults with Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition) (DSM-5)-defined BED.

Methods: Participants (N = 56) were adults seeking treatment for BED in the context of clinical trials testing pharmacological and psychological treatments.

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Objective: Parental eating disorders are associated with disordered eating behaviors and psychopathology in their children, but it is not known whether parent treatment for binge-eating disorder (BED) is associated with changes in child disordered eating behaviors and weight. Benefits or the "ripple" effect of treatment on untreated family members has been described in the obesity literature but not for BED.

Method: Participants evaluated for two randomized clinical trials for BED were screened for whether they had children.

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Objective: This study examined whether individuals with higher weight (body mass index in the overweight or obesity range) self-identified as having overweight or obesity (Ow/Ob). The study also examined whether self-identifying as having Ow/Ob was associated with perceived mental health, perceived physical health, depression, and eating disorder psychopathology.

Methods: Four study groups were created: those with Ow/Ob who self-identified as having Ow/Ob (Ow/Ob+), those with Ow/Ob who did not self-identify as having Ow/Ob (Ow/Ob-), those with core features of binge-eating disorder (BED) and Ow/Ob, and those with bulimia nervosa (BN) and Ow/Ob.

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Article Synopsis
  • The study investigated the efficacy of the combined medication naltrexone/bupropion for treating binge-eating disorder (BED), particularly among individuals with obesity.
  • In a 12-week trial with 89 participants, the results showed that while there were no significant reductions in binge-eating frequency compared to placebo, naltrexone/bupropion led to greater weight loss.
  • Overall, the findings indicated that naltrexone/bupropion is not effective in reducing binge eating but is beneficial for weight loss in patients with BED, regardless of their obesity status.
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Article Synopsis
  • The study focuses on weight-based bullying (WB) experienced by children, highlighting its adverse effects on mental and physical health as well as their functioning in school and social settings.
  • Data was collected from 224 parents of school-aged children in the U.S., revealing that forms of WB—like social and cyber bullying—lead to significant impairments, such as absenteeism and disordered eating behaviors among children.
  • The findings emphasize the need for effective strategies to tackle WB at multiple levels, involving peers, schools, and families, to reduce its prevalence and negative impact.
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Article Synopsis
  • The study investigates the effectiveness of naltrexone/bupropion as a maintenance treatment for binge-eating disorder (BED) in patients who previously responded well to acute treatment, addressing the issue of relapse when treatment is stopped.
  • Conducted over four years with 66 participants, the trial found that those on naltrexone/bupropion had a higher rate of binge-eating remission (68.8%) compared to those on placebo (50.0%), along with lower binge-eating frequency and weight loss.
  • The results suggest that maintaining treatment with naltrexone/bupropion can be beneficial for adults with BED and obesity, supporting the prevention of relapse and promoting
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Objective: Certain treatments have demonstrated acute efficacy for binge-eating disorder (BED) but many patients who receive "evidence-based" interventions do not derive sufficient benefit. Given the dearth of controlled research examining treatments for patients who fail to respond to initial interventions, this study tested the efficacy of cognitive-behavioral therapy (CBT) for patients with BED who do not respond to initial acute treatments.

Methods: Prospective randomized double-blind placebo-controlled single-site trial, conducted August 2017-December 2021, tested 16-weeks of therapist-led CBT for non-responders to initial treatment (naltrexone/bupropion and/or behavioral therapy) for BED with obesity.

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Adolescence is a critical developmental period when youth are vulnerable to messages that promote unrealistic body shapes and a culture of weight-based stigma. Adolescents' vulnerability is reflected in high prevalence of body dissatisfaction among adolescents of all genders, which can lead to negative mental health consequences including disordered eating and depression. Importantly, body concerns are compounded among adolescents with higher weights who are more likely to experience weight-based victimization and internalize weight-based stigma compared with adolescents with lower weights.

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Objective: Binge-eating disorder involves overeating while feeling a loss of control (LOC). Emotions around LOC appear to vary; some patients fear LOC whereas others feel powerless or "resigned" to LOC. This study examined differences in psychopathology among treatment-seeking patients with binge-eating disorder categorized with fear of LOC, resignation to LOC, and no fear/resignation of LOC.

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Objective: Binge-eating disorder, the most prevalent eating disorder, is a serious public health problem associated with obesity, psychiatric and medical comorbidities, and functional impairments. Binge-eating disorder remains underrecognized and infrequently treated, and few evidence-based treatments exist. The authors tested the effectiveness of naltrexone-bupropion and behavioral weight loss therapy (BWL), alone and combined, for binge-eating disorder comorbid with obesity.

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Stigma and recurrent discriminatory experiences can lead to distress and internalization of biases. Self-compassion is a widely-recognized resilience factor that may decrease the impact of discrimination on psychological well-being. Research highlights the potential utility of self-compassion in counteracting the harmful effects of discrimination, reducing psychological distress, and preventing the development of eating disorders.

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Bullying is a critical pediatric public health problem; estimates across diverse methodologies generally indicate that roughly 36% of youth are bullied. Although policy initiatives aim to address the universal prevention of bullying, and school-level secondary prevention programs aim to reduce the occurrence of bullying, tertiary prevention and intervention programs that mitigate the negative consequences experienced by victims of bullying remain an understudied need. The nature of bullying (that it occurs as events, leaves children feeling unsafe, and engenders emotional distress) and the association of bullying with posttraumatic stress symptoms among youth suggests that trauma treatment for bullying is promising.

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Purpose: Nonhomeostatic drives (e.g., reward and negative emotion) for eating are associated with weight gain over time.

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Purpose: Eating-disorder psychopathology is associated with self-harm behaviors. With much time spent and many social interactions taking place online, self-cyberbullying has emerged as a new form of self-harm that is digital. The current study examined digital self-harm in adults and its associations with eating-disorder psychopathology and behaviors.

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Objective: Preoccupation (excessive and constant thoughts) about shape/weight and food/eating is thought to be prominent in individuals with eating disorders but has received much less research than overt behavioral features. This study examined the significance and distinctiveness of different foci of preoccupation in individuals categorized with different forms of eating disorders and in individuals with higher weight.

Method: Participants (N = 1,363) completed a web-based survey with established measures of eating-disorder psychopathology and depression.

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Objective: This secondary analysis examined physical activity (PA) changes and their prognostic significance among Latinx patients with obesity, with and without binge eating disorder (BED), who participated in a randomized, placebo-controlled trial testing the addition of orlistat to behavioral weight-loss (BWL) treatment in a "real-world" clinical setting.

Methods: In this randomized controlled trial at a community mental health center serving economically disadvantaged Spanish-speaking-only Latinx patients, 79 patients with obesity (40 with BED and 39 without BED) received BWL treatment and were randomized to orlistat or placebo. PA, weight, depression, and binge eating were assessed at baseline, posttreatment (end of treatment [4 months]), and the 6-month follow-up (10 months after baseline).

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Objective: Comorbidity between substance use disorders and eating disorders is common and related to severity of psychopathology. Parents' eating disorder or substance use disorder have been examined independently and appear to be related to psychopathology in their children. However, no prior work has examined whether co-occurring substance use and eating disorder behaviors in parents relate to eating-disorder psychopathology and weight in their children.

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Purpose: To examine how parents' and adolescents' weight histories were associated with parents' approach to eating/weight-related parenting and children's eating-disorder behaviors.

Methods: Participants were 502 parents (69.3% mothers, 30.

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Background: Psychiatric comorbidity is common in binge-eating disorder (BED) but effects on treatment outcomes are unknown. The current study aimed to determine whether psychiatric comorbidity predicted or moderated BED treatment outcomes.

Methods: In total, 636 adults with BED in randomized-controlled trials (RCTs) were assessed prior, throughout, and posttreatment by doctoral research-clinicians using reliably-administered semi-structured interviews, self-report measures, and measured weight.

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Purpose: Post-operative loss-of-control (LOC)-eating is a negative prognostic indicator for long-term outcomes following bariatric surgery. Emerging research suggests that night eating might also be associated with poorer post-operative outcomes. This study examined the co-occurrence and clinical features of night eating in patients with LOC-eating following bariatric surgery.

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Objective: Some parental feeding practices are associated with pediatric disordered eating and weight status. Existing research, however, has focused on maternal feeding practices in co-parent households. Single parents and fathers are notably understudied in this area.

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