benefits of treatment less than expected

This study aims to perform an open-series pilot trial to examine the efficacy of cognitive-behavioral therapy delivered in a guided self-help format (CBTgsh) with added content related to physical activity (PA), for the treatment of binge-eating disorder (BED), operationalized as BED full diagnostic criteria or BED with the full criteria except for the binge episode size criterion.

Inclusion Criteria:

1. 18 to 65 years old;
2. Meet DSM-5 criteria for BED or BED but without the size criterion (LOC eating);
3. BMI 25-45 kg/m2;
4. Sedentary activity pattern (< 90 mins/week of moderate-to-vigorous intensity recreational physical activity);
5. Available for the duration of the treatment and follow-up (7 months);
6. Read, comprehend, and write English at a sufficient level to complete study-related materials.

Exclusion criteria:

1. Co-existing psychiatric condition that requires hospitalization or more intensive treatment (e.g., bipolar mood disorders, psychotic illnesses, severe depression).
2. Reports active suicidal or homicidal ideation.
3. Current anorexia or bulimia nervosa.
4. Contraindications to physical activity.
5. Blood pressure >140 systolic or >90 diastolic.
6. Breast-feeding or pregnant, or planning to become pregnant during the study.
7. History of stroke or myocardial infarction.
8. Current or recent (within 12 months) drug or alcohol dependence
9. Currently receiving effective treatment for eating or weight loss.
10. Currently participating in another clinical study.