Although there is preliminary evidence that inhibitory control training improves impulsive eating, less is known about the effects on eating behaviour and weight loss in clinical samples. Sixty-nine treatment-seeking adults with obesity (binge-eating disorder 33.3%; other specific feeding and eating disorders 40.6%) were randomly blockwise allocated to ImpulsE, an intervention to improve inhibitory control and emotion regulation abilities or a guideline-appropriate cognitive behavioural therapy (CBT)-based treatment as usual. Self-reported and performance-based impulsivity, eating disorder pathology and BMI were compared at baseline (T1), post-treatment (T2) and 1- or 3-month follow-up. ImpulsE led to better food-specific inhibition performance (p = .004), but groups did not differ regarding improvements in global Eating Disorder Examination Questionnaire (EDE-Q) score at T2. At 3-month follow-up, binge eaters benefited most from ImpulsE (p = .028) and completers of ImpulsE demonstrated a significantly greater weight reduction (p = .030). The current findings propose ImpulsE as a promising approach to treat obesity, illustrating acceptability and additional benefits for course of weight. Copyright © 2017 John Wiley & Sons, Ltd and Eating Disorders Association.

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The efficacy of cognitive-behavioral therapy (CBT) for adults with eating disorders has been shown in several naturalistic studies. In contrast studies showing longer-term effects in naturalistic outpatient treatment are still lacking. Therefore 99 female patients with the primary DSM-IV diagnosis of an eating disorder were considered in this analysis. Longer-term duration outcome data exist for 53,5% (n=53). EDE-Q, BDI and BSI were used as outcome measures and were given to patients at the beginning, the end and 18 month after the end of treatment. The effect sizes remained fairly steady throughout follow-up. Also the response rates remained the same on average (63,6%), whereupon 25% lost their status of response and 22,7% showed spontaneous remission during long-term evaluation. Although the average longer-term effect sizes of CBT in an outpatient routine health-care service were maintained throughout follow-up, one fourth of the females developed symptomatology again.

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