Methodological approach to optimize a step-by-step deterministic linkage of SNDS data with a clinical database (FREGAT) of gastric/gastroesophageal junction adenocarcinoma in France: Pitfalls and learnings

• Magali Laborey,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation RCTs, Lyon, France

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• Audrey Lajoinie ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: ala@rcts.fr

  Affiliation RCTs, Lyon, France

  https://orcid.org/0000-0001-8712-8813

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• Jonatan Freilich,

  Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Parexel, Stockholm, Sweden

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• Emmanuelle Samalin,

  Roles Writing – original draft, Writing – review & editing

  Affiliation Institut Régional du Cancer de Montpellier, University Montpellier, Montpellier, France

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• Olivier Bouché,

  Roles Resources, Writing – original draft, Writing – review & editing

  Affiliation Department of Digestive Oncology, CHU Reims, Reims, France

  https://orcid.org/0000-0002-8284-3743

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• Guillaume Piessen,

  Roles Data curation, Investigation, Resources, Writing – original draft, Writing – review & editing

  Affiliations University Lille, CNRS, Inserm, CHU Lille, UMR9020-U1277–CANTHER–Cancer Heterogeneity, Plasticity and Resistance to Therapies, Lille, France, Department of Digestive and Oncological Surgery, Claude Huriez Hospital, CHU Lille, Lille, France

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• Matthias Stoelzel,

  Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Astellas Pharma GmbH, Munich, Germany

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• Andrew Chilelli

  Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Astellas Pharma Europe Ltd., Addlestone, United Kingdom

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