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1.
J Affect Disord ; 276: 585-591, 2020 11 01.
Article in English | MEDLINE | ID: mdl-32794449

ABSTRACT

BACKGROUND: Few evidence-based treatments for eating disorders (EDs) exist. Imaginal exposure therapy is a key component of effective treatment for anxiety disorders and post-traumatic stress disorder. However, imaginal exposure has not been systematically tested as a treatment for EDs. The current study aimed to develop and test online imaginal exposure as a treatment for EDs. METHODS: The current study tested a four-week trial of online imaginal exposure for EDs (N = 229 participants with EDs recruited globally). Participants completed diagnostic interviews and four sessions of weekly online imaginal exposure, in which they wrote about and imagined a core ED fear (identified with a therapist). Participants completed measures of ED symptoms and fears (i.e., fear of weight gain, food) at pre-imaginal exposure, post-imaginal exposure, and six-month follow-up. Participants were recruited and participated in the protocol from November 2016 to October 2018. RESULTS: All primary outcomes (ED symptoms, ED fears) significantly decreased at study completion and six-month follow-up with medium-to-large effect sizes. State anxiety across the exposure and follow-ups significantly decreased, specifically from initial sessions to follow-up. Worry, but not depression, significantly decreased. LIMITATIONS: This study was an open case trial and did not include a control condition. CONCLUSIONS: Significant decreases in ED symptoms and fears occurred during the course of imaginal exposure treatment. Online imaginal exposure is a feasible treatment for EDs and is associated with decreases in core ED symptomatology, which are comparable in magnitude to decreases seen from other evidence-based treatments. A future randomized-controlled trial is needed. CLINICAL TRIALS REGISTRATION: ClinicalTrials.gov identifier NCT03712748.


Subject(s)
Feeding and Eating Disorders , Implosive Therapy , Anxiety , Anxiety Disorders , Fear , Feeding and Eating Disorders/therapy , Humans
2.
Eat Behav ; 34: 101298, 2019 08.
Article in English | MEDLINE | ID: mdl-31176948

ABSTRACT

Anorexia nervosa (AN) and obsessive-compulsive disorder (OCD) are highly comorbid. However, little research has examined which specific cognitive-behavioral aspects (e.g., checking, obsessing) of OCD are most relevant in those with AN. Furthermore, there is no research examining aspects of OCD in Atypical AN. The current two studies (N = 139 and N = 115 individuals diagnosed with AN/Atypical AN) examined a) which aspects of OCD were most related to AN symptomatology and b) if there were differences in OCD between individuals diagnosed with AN vs Atypical AN. We found that obsessing was most related to AN symptoms. We also found that there were no substantial significant differences between AN and Atypical AN. These findings add to the literature suggesting minimal differences between AN and Atypical AN, specifically regarding OCD symptomatology. These findings clarify that obsessions (rather than compulsions) may be the specific aspect of OCD most warranting treatment intervention in AN and Atypical AN.


Subject(s)
Anorexia Nervosa/psychology , Obsessive Behavior/psychology , Obsessive-Compulsive Disorder/psychology , Adolescent , Adult , Anorexia Nervosa/complications , Anorexia Nervosa/diagnosis , Comorbidity , Compulsive Behavior , Female , Humans , Male , Middle Aged , Obsessive-Compulsive Disorder/complications , Obsessive-Compulsive Disorder/diagnosis , Psychiatric Status Rating Scales , Psychometrics , Young Adult
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