{"entity":{"id":"cellseed","kind":"company","name":"CellSeed","aka":["CellSeed Inc.","セルシード"],"tldr":"CellSeed is a Tokyo regenerative-medicine company whose cell sheets, grown on temperature-responsive dishes, are applied to the oesophagus after endoscopic cancer removal to prevent scarring and narrowing.","summary":"CellSeed Inc., founded in 2001 in Tokyo and listed there, commercialises cell sheet engineering from Tokyo Women's Medical University: sheets of a patient's own cells grown on temperature-responsive culture surfaces and lifted off intact. Its oesophageal epithelial cell sheets are applied to the ulcer left after endoscopic submucosal dissection of early oesophageal cancer to prevent stricture, and the company leads the Japanese phase 3 trials registered on ClinicalTrials.gov.","asOf":"2026-09-11","links":[{"label":"Official website","url":"http://www.cellseed.com"},{"label":"ClinicalTrials.gov: trials led by CellSeed Inc.","url":"https://clinicaltrials.gov/search?lead=CellSeed%20Inc."},{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q11314549"}],"tags":["ctgov-sponsor"],"related":[],"cancers":["esophageal"],"sections":[],"technologies":["endoscopic-resection"],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":["pivotal-trial","clinical-trial"],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"notes":[],"provenance":{"editedBy":"OnCo ingestion (ClinicalTrials.gov v2 + sponsor websites)","editedOn":"2026-09-11"},"hq":"Tokyo","country":"JP","companyType":"cell-therapy","website":"http://www.cellseed.com","founded":2001,"stage":"public","investors":[],"funding":[]},"route":"/companies/cellseed/","neighbours":{"cancer":[{"id":"esophageal","kind":"cancer","name":"Oesophageal cancer","route":"/cancers/esophageal/"}],"technology":[{"id":"endoscopic-resection","kind":"technology","name":"Endoscopic resection (EMR / ESD)","route":"/technologies/endoscopic-resection/"}],"term":[{"id":"clinical-trial","kind":"term","name":"Clinical trial","route":"/terms/clinical-trial/"},{"id":"pivotal-trial","kind":"term","name":"Pivotal (registrational) trial","route":"/terms/pivotal-trial/"}]}}