500
Participants
Start Date
November 30, 2011
Primary Completion Date
December 31, 2019
Study Completion Date
December 31, 2019
Obese
gastric bypass
Control group
Cholecystectomy and anti-reflux surgery
Ersta Hospital, Stockholm
Karolinska University Hospital, Stockholm
Danderyds Hospital, Stockholm
Danderyd Hospital
OTHER
Ersta Hospital, Sweden
OTHER
Karolinska University Hospital
OTHER
Karolinska Institutet
OTHER