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Mini Gastric Bypass-One Anastomosis Gastric Bypass (MGB-OAGB)-IFSO Position Statement


The International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) has played an integral role in educating both the metabolic surgical and the medical community at large about the role of innovative and new surgical and/or endoscopic interventions in treating adiposity-based chronic diseases.

The mini gastric bypass is also known as the one anastomosis gastric bypass. The IFSO has agreed that the standard nomenclature should be the mini gastric bypass-one anastomosis gastric bypass (MGB-OAGB). The IFSO commissioned a task force (Appendix 1) to determine if MGB-OAGB is an effective and safe procedure and if it should be considered a surgical option for the treatment of obesity and metabolic diseases.

The following position statement is issued by the IFSO MGB-OAGB task force and approved by the IFSO Scientific Committee and Executive Board. This statement is based on current clinical knowledge, expert opinion, and published peer-reviewed scientific evidence. It will be reviewed in 2 years.

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Fig. 1


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Author information

Correspondence to Wendy A. Brown.

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Conflict Statement

Dr. De Luca has nothing to disclose. Ms. Tie reports personal fees from Centre for Obesity Research and Education (CORE), grants from Apollo Endosurgery, grants from Novo Nordisc, outside the submitted work. Dr. Ooi reports personal fees from National Health and Medical Research Council, personal fees from Royal Australasian College of Surgeon, outside the submitted work. Dr. Himpens reports personal fees from Ethicon, personal fees from Medtronic, outside the submitted work. Dr. Higa has nothing to disclose. Dr. Carbajo reports he is the current President of the MGB-OAGB International Club. Dr. Mahawar reports he has been paid honoraria by Medtronic Inc. for mentoring consultant bariatric surgeons in the United Kingdom to help them start them start their One Anastomosis Gastric Bypass programme. Dr Shikora has nothing to disclose. Dr. Brown reports grants from Johnson and Johnson, grants from Medtronic, grants from GORE, personal fees from GORE, grants from Applied Medical, grants from Apollo Endosurgery, grants and personal fees from Novo Nordisc, personal fees from Merck Sharpe and Dohme, outside the submitted work.

Ethics Statement

Ethical approval is not required for this type of study.

Informed Consent

Informed consent is not required for this study.

Additional information

On behalf of the IFSO appointed task force reviewing the literature on MGB-OAGB

Appendix 1—Members of the IFSO Appointed Task Force Reviewing the Literature on MGB-OAGB

Appendix 1—Members of the IFSO Appointed Task Force Reviewing the Literature on MGB-OAGB

Maurizio De Luca—Italy

Kelvin Higa—USA

Tiffany Tie—Australia

Geraldine Ooi—Australia

Wendy Brown—Australia

Jacques Himpens—Belgium

Scott Shikora—USA

Rudolf Weiner—Germany

Miguel-A Carbajo—Spain

Kamal Mahawar—UK

Jean Marc Chevallier—France

Luigi Angrisani—Italy


Aparna G Bhasker—India

Alberto Sartori—Italy

Mario Musella—Italy

KS Kular—India

Emanuele Soricelli—Italy

Ramon VilallongaVilallonga—Spain

Muffazal Lakdawala—India

Enrico Facchiano—Italy

Alessio Corradi—Germany

Appendix 2

Table 4 List of search terms used

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De Luca, M., Tie, T., Ooi, G. et al. Mini Gastric Bypass-One Anastomosis Gastric Bypass (MGB-OAGB)-IFSO Position Statement. OBES SURG 28, 1188–1206 (2018).

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  • MGB OAGB IFSO Position statement Systematic Review