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A randomized open-label multicentre clinical trial comparing single-anastomosis duodenal switch (SADI-S) versus Roux-en-Y gastric bypass for the treatment of severe obesity: BYPSADIS study protocol.

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Title: A randomized open-label multicentre clinical trial comparing single-anastomosis duodenal switch (SADI-S) versus Roux-en-Y gastric bypass for the treatment of severe obesity: BYPSADIS study protocol.
Authors: Osorio J; Hospital Clinic Barcelona Department of Digestive and General Surgery Universidad de Barcelona Villarroel 170 08036 Barcelona Spain., Lazzara C; Hospital Universitari de Bellvitge, Department of Digestive and General Surgery, Universidad de Barcelona, L'Hospitalet de Llobregat, Spain., Guimaraes M; Hospital Entre Douro e Vouga, Department of Digestive and General Surgery, Porto, Portugal., Torres A; Hospital Clinico San Carlos (IDISSC), Department of Surgery, Universidad Complutense de Madrid, Madrid, Spain., Turrado-Rodríguez V; Hospital Clinic Barcelona, Department of Digestive and General Surgery, Universidad de Barcelona, Barcelona, Spain., Ibarzabal A; Hospital Clinic Barcelona, Department of Digestive and General Surgery, Universidad de Barcelona, Barcelona, Spain., Sobrino L; Hospital Universitari de Bellvitge, Department of Digestive and General Surgery, Universidad de Barcelona, L'Hospitalet de Llobregat, Spain., Nora M; Hospital Entre Douro e Vouga, Department of Digestive and General Surgery, Porto, Portugal., Vilarrassa N; Hospital Universitari de Bellvitge, Department of Endocrinology and Nutrition, Universidad de Barcelona, L'Hospitalet de Llobregat, Spain., de Hollanda A; Hospital Clinic Barcelona, Department of Endocrinology and Nutrition, Universidad de Barcelona, Barcelona, Spain., Rubio-Herrera MA; Hospital Clinico San Carlos (IDISSC), Department of Medicine, Universidad Complutense de Madrid, Madrid, Spain., Vidal J; Hospital Clinic Barcelona, Department of Endocrinology and Nutrition, Universidad de Barcelona, Barcelona, Spain., Moizé V; Hospital Clinic Barcelona, Department of Endocrinology and Nutrition, Universidad de Barcelona, Barcelona, Spain., Yarnoz C; Department of Digestive and General Surgery, Hospital Universitario de Navarra, Pamplona, Spain., Fernandez-Falop I; Department of Digestive and General Surgery, Hospital de Sagunto, Sagunto, Spain., Portillo M; Hospital Clinic Barcelona, Department of Digestive and General Surgery, Universidad de Barcelona, Barcelona, Spain., Sánchez-Pernaute A; Hospital Clinico San Carlos (IDISSC), Department of Surgery, Universidad Complutense de Madrid, Madrid, Spain.
Source: Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society [Scand J Surg] 2026 Mar; Vol. 115 (1), pp. 119-128. Date of Electronic Publication: 2025 Oct 17.
Publication Type: Journal Article; Clinical Trial Protocol
Journal Info: Publisher: Sage Country of Publication: England NLM ID: 101144297 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1799-7267 (Electronic) Linking ISSN: 14574969 NLM ISO Abbreviation: Scand J Surg Subsets: MEDLINE
Database: MEDLINE Ultimate
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  Data: A randomized open-label multicentre clinical trial comparing single-anastomosis duodenal switch (SADI-S) versus Roux-en-Y gastric bypass for the treatment of severe obesity: BYPSADIS study protocol.
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  Data: <searchLink fieldCode="AU" term="%22Osorio+J%22">Osorio J</searchLink>; Hospital Clinic Barcelona Department of Digestive and General Surgery Universidad de Barcelona Villarroel 170 08036 Barcelona Spain.<br /><searchLink fieldCode="AU" term="%22Lazzara+C%22">Lazzara C</searchLink>; Hospital Universitari de Bellvitge, Department of Digestive and General Surgery, Universidad de Barcelona, L'Hospitalet de Llobregat, Spain.<br /><searchLink fieldCode="AU" term="%22Guimaraes+M%22">Guimaraes M</searchLink>; Hospital Entre Douro e Vouga, Department of Digestive and General Surgery, Porto, Portugal.<br /><searchLink fieldCode="AU" term="%22Torres+A%22">Torres A</searchLink>; Hospital Clinico San Carlos (IDISSC), Department of Surgery, Universidad Complutense de Madrid, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Turrado-Rodríguez+V%22">Turrado-Rodríguez V</searchLink>; Hospital Clinic Barcelona, Department of Digestive and General Surgery, Universidad de Barcelona, Barcelona, Spain.<br /><searchLink fieldCode="AU" term="%22Ibarzabal+A%22">Ibarzabal A</searchLink>; Hospital Clinic Barcelona, Department of Digestive and General Surgery, Universidad de Barcelona, Barcelona, Spain.<br /><searchLink fieldCode="AU" term="%22Sobrino+L%22">Sobrino L</searchLink>; Hospital Universitari de Bellvitge, Department of Digestive and General Surgery, Universidad de Barcelona, L'Hospitalet de Llobregat, Spain.<br /><searchLink fieldCode="AU" term="%22Nora+M%22">Nora M</searchLink>; Hospital Entre Douro e Vouga, Department of Digestive and General Surgery, Porto, Portugal.<br /><searchLink fieldCode="AU" term="%22Vilarrassa+N%22">Vilarrassa N</searchLink>; Hospital Universitari de Bellvitge, Department of Endocrinology and Nutrition, Universidad de Barcelona, L'Hospitalet de Llobregat, Spain.<br /><searchLink fieldCode="AU" term="%22de+Hollanda+A%22">de Hollanda A</searchLink>; Hospital Clinic Barcelona, Department of Endocrinology and Nutrition, Universidad de Barcelona, Barcelona, Spain.<br /><searchLink fieldCode="AU" term="%22Rubio-Herrera+MA%22">Rubio-Herrera MA</searchLink>; Hospital Clinico San Carlos (IDISSC), Department of Medicine, Universidad Complutense de Madrid, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Vidal+J%22">Vidal J</searchLink>; Hospital Clinic Barcelona, Department of Endocrinology and Nutrition, Universidad de Barcelona, Barcelona, Spain.<br /><searchLink fieldCode="AU" term="%22Moizé+V%22">Moizé V</searchLink>; Hospital Clinic Barcelona, Department of Endocrinology and Nutrition, Universidad de Barcelona, Barcelona, Spain.<br /><searchLink fieldCode="AU" term="%22Yarnoz+C%22">Yarnoz C</searchLink>; Department of Digestive and General Surgery, Hospital Universitario de Navarra, Pamplona, Spain.<br /><searchLink fieldCode="AU" term="%22Fernandez-Falop+I%22">Fernandez-Falop I</searchLink>; Department of Digestive and General Surgery, Hospital de Sagunto, Sagunto, Spain.<br /><searchLink fieldCode="AU" term="%22Portillo+M%22">Portillo M</searchLink>; Hospital Clinic Barcelona, Department of Digestive and General Surgery, Universidad de Barcelona, Barcelona, Spain.<br /><searchLink fieldCode="AU" term="%22Sánchez-Pernaute+A%22">Sánchez-Pernaute A</searchLink>; Hospital Clinico San Carlos (IDISSC), Department of Surgery, Universidad Complutense de Madrid, Madrid, Spain.
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  Data: <searchLink fieldCode="JN" term="%22101144297%22">Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society</searchLink> [Scand J Surg] 2026 Mar; Vol. 115 (1), pp. 119-128. <i>Date of Electronic Publication: </i>2025 Oct 17.
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  Data: <i>Publisher: </i><searchLink fieldCode="PB" term="%22Sage%22">Sage </searchLink><i>Country of Publication: </i>England <i>NLM ID: </i>101144297 <i>Publication Model: </i>Print-Electronic <i>Cited Medium: </i>Internet <i>ISSN: </i>1799-7267 (Electronic) <i>Linking ISSN: </i><searchLink fieldCode="IS" term="%2214574969%22">14574969 </searchLink><i>NLM ISO Abbreviation: </i>Scand J Surg <i>Subsets: </i>MEDLINE
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