European clinical practice guidelines for the definition, diagnosis, and treatment of oligometastatic esophagogastric cancer (OMEC-4)

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• dc.contributor.author Kroese, Tiuri E.
• dc.contributor.author Pera Roman, Manuel Ramón
• dc.contributor.author van Hillegersberg, Richard
• dc.date.accessioned 2025-04-25T07:49:37Z
• dc.date.available 2025-04-25T07:49:37Z
• dc.date.issued 2024
• dc.description.abstract Introduction: The OligoMetastatic Esophagogastric Cancer (OMEC) project aims to provide clinical practice guidelines for the definition, diagnosis, and treatment of esophagogastric oligometastatic disease (OMD). Methods: Guidelines were developed according to AGREE II and GRADE principles. Guidelines were based on a systematic review (OMEC-1), clinical case discussions (OMEC-2), and a Delphi consensus study (OMEC-3) by 49 European expert centers for esophagogastric cancer. OMEC identified patients for whom the term OMD is considered or could be considered. Disease-free interval (DFI) was defined as the time between primary tumor treatment and detection of OMD. Results: Moderate to high quality of evidence was found (i.e. 1 randomized and 4 non-randomized phase II trials) resulting in moderate recommendations. OMD is considered in esophagogastric cancer patients with 1 organ with ≤ 3 metastases or 1 involved extra-regional lymph node station. In addition, OMD continues to be considered in patients with OMD without progression in number of metastases after systemic therapy. 18F-FDG PET/CT imaging is recommended for baseline staging and for restaging after systemic therapy when local treatment is considered. For patients with synchronous OMD or metachronous OMD and a DFI ≤ 2 years, recommended treatment consists of systemic therapy followed by restaging to assess suitability for local treatment. For patients with metachronous OMD and DFI > 2 years, upfront local treatment is additionally recommended. Discussion: These multidisciplinary European clinical practice guidelines for the uniform definition, diagnosis and treatment of esophagogastric OMD can be used to standardize inclusion criteria in future clinical trials and to reduce variation in treatment.
• dc.format.mimetype application/pdf
• dc.identifier.citation Kroese TE, Bronzwaer S, van Rossum PSN, Schoppman SF, Deseyne PRAJ, van Cutsem E, et al. European clinical practice guidelines for the definition, diagnosis, and treatment of oligometastatic esophagogastric cancer (OMEC-4). Eur J Cancer. 2024 Jun;204:114062. DOI: 10.1016/j.ejca.2024.114062
• dc.identifier.doi http://dx.doi.org/10.1016/j.ejca.2024.114062
• dc.identifier.issn 0959-8049
• dc.identifier.uri http://hdl.handle.net/10230/70194
• dc.language.iso eng
• dc.publisher Elsevier
• dc.relation.ispartof Eur J Cancer. 2024 Jun;204:114062
• dc.rights © 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri http://creativecommons.org/licenses/by/4.0/
• dc.subject.keyword Esophageal cancer
• dc.subject.keyword Gastric cancer
• dc.subject.keyword Metastasectomy
• dc.subject.keyword Metastasis
• dc.subject.keyword Oligometastasis
• dc.subject.keyword Stereotactic body radiotherapy
• dc.title European clinical practice guidelines for the definition, diagnosis, and treatment of oligometastatic esophagogastric cancer (OMEC-4)
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/publishedVersion