<HashMap><database>biostudies-literature</database><scores/><additional><omics_type>Unknown</omics_type><volume>7(8)</volume><submitter>Ronellenfitsch U</submitter><pubmed_abstract>&lt;h4>Importance&lt;/h4>The prognosis of patients with adenocarcinoma of the esophagus and esophagogastric junction (AEG) is poor. From current evidence, it remains unclear to what extent preoperative chemoradiotherapy (CRT) or preoperative and/or perioperative chemotherapy achieve better outcomes than surgery alone.&lt;h4>Objective&lt;/h4>To assess the association of preoperative CRT and preoperative and/or perioperative chemotherapy in patients with AEG with overall survival and other outcomes.&lt;h4>Data sources&lt;/h4>Literature search in PubMed, Cochrane Library, Cumulative Index to Nursing and Allied Health Literature, ClinicalTrials.gov, and International Clinical Trials Registry Platform was performed from inception to April 21, 2023.&lt;h4>Study selection&lt;/h4>Two blinded reviewers screened for random</pubmed_abstract><journal>JAMA network open</journal><pagination>e2425581</pagination><full_dataset_link>https://www.ebi.ac.uk/biostudies/studies/S-EPMC11297377</full_dataset_link><repository>biostudies-literature</repository><pubmed_title>Preoperative Chemoradiotherapy vs Chemotherapy for Adenocarcinoma of the Esophagogastric Junction: A Network Meta-Analysis.</pubmed_title><pmcid>PMC11297377</pmcid><pubmed_authors>Nilsson M</pubmed_authors><pubmed_authors>Kieser M</pubmed_authors><pubmed_authors>Eyck BM</pubmed_authors><pubmed_authors>Cunningham D</pubmed_authors><pubmed_authors>Shi Q</pubmed_authors><pubmed_authors>Vey JA</pubmed_authors><pubmed_authors>Lutz M</pubmed_authors><pubmed_authors>Michl P</pubmed_authors><pubmed_authors>Grilli M</pubmed_authors><pubmed_authors>Lordick F</pubmed_authors><pubmed_authors>Proctor T</pubmed_authors><pubmed_authors>Vordermark D</pubmed_authors><pubmed_authors>Michalski CW</pubmed_authors><pubmed_authors>Ronellenfitsch U</pubmed_authors><pubmed_authors>Seide S</pubmed_authors><pubmed_authors>Barbier E</pubmed_authors><pubmed_authors>Nankivell M</pubmed_authors><pubmed_authors>Hofheinz RD</pubmed_authors><pubmed_authors>Stahl M</pubmed_authors><pubmed_authors>Urba S</pubmed_authors><pubmed_authors>Bass GA</pubmed_authors><pubmed_authors>Langley R</pubmed_authors><pubmed_authors>Walsh TN</pubmed_authors><pubmed_authors>Friedrichs J</pubmed_authors><pubmed_authors>van Lanschot J</pubmed_authors><pubmed_authors>Ychou M</pubmed_authors><pubmed_authors>Kleeff J</pubmed_authors><pubmed_authors>Shah MA</pubmed_authors><pubmed_authors>Burmeister B</pubmed_authors><pubmed_authors>Mauer M</pubmed_authors><pubmed_authors>Klevebro F</pubmed_authors></additional><is_claimable>false</is_claimable><name>Preoperative Chemoradiotherapy vs Chemotherapy for Adenocarcinoma of the Esophagogastric Junction: A Network Meta-Analysis.</name><description>&lt;h4>Importance&lt;/h4>The prognosis of patients with adenocarcinoma of the esophagus and esophagogastric junction (AEG) is poor. From current evidence, it remains unclear to what extent preoperative chemoradiotherapy (CRT) or preoperative and/or perioperative chemotherapy achieve better outcomes than surgery alone.&lt;h4>Objective&lt;/h4>To assess the association of preoperative CRT and preoperative and/or perioperative chemotherapy in patients with AEG with overall survival and other outcomes.&lt;h4>Data sources&lt;/h4>Literature search in PubMed, Cochrane Library, Cumulative Index to Nursing and Allied Health Literature, ClinicalTrials.gov, and International Clinical Trials Registry Platform was performed from inception to April 21, 2023.&lt;h4>Study selection&lt;/h4>Two blinded reviewers screened for random</description><dates><release>2024-01-01T00:00:00Z</release><publication>2024 Aug</publication><modification>2026-06-01T22:18:11.858Z</modification><creation>2026-05-22T03:08:00.19Z</creation></dates><accession>S-EPMC11297377</accession><cross_references><pubmed>39093560</pubmed><doi>10.1001/jamanetworkopen.2024.25581</doi></cross_references></HashMap>