Can group therapy improve well-being and mental health of overweight women after gastric bypass surgery?

Can a dissonance-based intervention improve quality of life, social adjustment, eating behaviour and physical activity in women after gastric bypass surgery? A randomised controlled study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN16417174

Enrollment

240

Registered

2015-02-23

Start date

2015-01-15

Completion date

Unknown

Last updated

2023-03-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prevention of unwanted mental and physical outcomes after gastric bypass surgery Digestive System Obesity and physical and mental health

Interventions

50% of the recruited patients will be randomly allocated to the intervention group after surgery and 50% to the control group (usual post-operative follow-up). The first intervention session will star

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Eligible for gastric bypass surgery: body-mass index >35 kg/m2, usually between 18–65 (with some exceptions) 2. Aged over 18 years old 3. Able to speak and read Swedish 4. Women

Exclusion criteria

Exclusion criteria: Current diagnosis of depression

Design outcomes

Primary

Measure	Time frame
1. Quality of life, measured with a validated questionnaire (SF-36) 2. Eating behaviour, measured with the Three-Factor Eating Questionnaire and the Disordered Eating after Bariatric Surgery 3. Body esteem, measured with the Body Esteem Scale 4. Social adjustment, measured with the Social Adjustment Scale 5. Physical activity, measured with an accelerometer at before surgery and at 6 months, 1 year and 2 years after surgery; the accelerometers will be posted to the participants and returned in the post All questionnaires (except SF-36) will be completed at home and emailed to the research group before surgery and at 6 months, 12 months, 18 months and 24 months after surgery. SF-36 will be measured at the same timepoints with a national register as a part of the usual care.	—

Measure

Time frame

1. Quality of life, measured with a validated questionnaire (SF-36) 2. Eating behaviour, measured with the Three-Factor Eating Questionnaire and the Disordered Eating after Bariatric Surgery 3. Body esteem, measured with the Body Esteem Scale 4. Social adjustment, measured with the Social Adjustment Scale 5. Physical activity, measured with an accelerometer at before surgery and at 6 months, 1 year and 2 years after surgery; the accelerometers will be posted to the participants and returned in the post All questionnaires (except SF-36) will be completed at home and emailed to the research group before surgery and at 6 months, 12 months, 18 months and 24 months after surgery. SF-36 will be measured at the same timepoints with a national register as a part of the usual care.

—

Secondary

Measure	Time frame
1. Weight 2. Height 3. Waist circumference The secondary outcomes will be measured before surgery and at 6 months, 12 months, 18 months and 24 months after surgery by the nurses at the hospital where the surgery is done.	—

Countries

Sweden

Contacts

Public ContactFanny Sellberg

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 6, 2026