NCT06063278

Step by Step Group Therapy for Bulimia Nervosa: Effectiveness and Mechanisms of Change.

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 100 (actual)
• Sponsor: Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau · Academic / Other
• Sex: All
• Age: 18 Years – 65 Years
• Healthy volunteers: Not accepted

Summary

This a pseudo-randomized clinical trial that examines if a specific group therapy for BN is effective in improving its symptomatology, and what variables mediate such improvements. To do so a sample of 100 patients with BN will be pseudorandomized in a Group Therapy for BN or in a control waiting list group. Patients will be assessed at baseline, at the end of the group therapy and at 2 year follow up.

Detailed description

This is a controlled non randomized study that will compare a group of patients with BN that participate in the SBS group therapy with a group of BN patients who will be in wait list as a control condition. Patients for this single center trial will be recruited from the outpatient facility of the Hospital de la Santa Creu I Sant Pau (Barcelona, Spain). After assessed for eligibility participants will be given a set of self -report questionnaires. After the questionnaires are completed participants will be allocated to wait list condition or to the treatment arm. Time between assessment and starting the SBS group will be a month or least. Participants will be administered the same questionnaires the following month after finishing the treatment or after 3 to 4 months after the first assessment for the control condition.

Conditions

• Bulimia Nervosa

Interventions

Type	Name	Description
BEHAVIORAL	l Group Therapy for BN.	9 to 10 group sessions of 90 to 120min each

Timeline

• Start date: 2022-05-06
• Primary completion: 2024-04-06
• Completion: 2024-11-12
• First posted: 2023-10-02
• Last updated: 2026-01-20

Locations

1 site across 1 country: Spain