{"entity":{"id":"hitoshi-katai","kind":"person","name":"Hitoshi Katai","aka":[],"tldr":"Japanese surgeon who led JCOG0912, the trial that confirmed laparoscopic gastrectomy is not inferior to open surgery for early stomach cancer.","summary":"Hitoshi Katai is a gastric surgeon at the National Cancer Center Hospital in Tokyo. He was first author of the 2020 Lancet Gastroenterology and Hepatology report of JCOG0912, the Japan Clinical Oncology Group trial that showed laparoscopy-assisted distal gastrectomy was non-inferior to open distal gastrectomy for clinical stage I gastric cancer in relapse-free survival.","asOf":"2026-09-18","links":[],"tags":["gastric","surgery","trialist"],"related":[],"cancers":["early-gastric-cancer","gastric"],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":["ncc-japan"],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":["paper-jcog0912-katai-lancet-gastroenterol-hepatol-2020"],"journals":[],"dependsOn":[],"notes":[],"role":"Gastric surgeon, National Cancer Center Hospital, Tokyo","institutionId":"ncc-japan","specialisms":["Gastric surgery","Laparoscopic gastrectomy","JCOG trials"],"profiles":[{"label":"PubMed","url":"https://pubmed.ncbi.nlm.nih.gov/?term=Katai%5BAuthor%5D"}],"papers":[]},"route":"/people/hitoshi-katai/","neighbours":{"cancer":[{"id":"early-gastric-cancer","kind":"cancer","name":"Early gastric cancer","route":"/cancers/early-gastric-cancer/"},{"id":"gastric","kind":"cancer","name":"Gastric & gastro-oesophageal junction cancer","route":"/cancers/gastric/"}],"institution":[{"id":"ncc-japan","kind":"institution","name":"National Cancer Center Hospital","route":"/institutions/ncc-japan/"}],"paper":[{"id":"paper-jcog0912-katai-lancet-gastroenterol-hepatol-2020","kind":"paper","name":"JCOG0912: laparoscopy-assisted versus open distal gastrectomy for clinical stage IA or IB gastric cancer","route":"/key-papers/paper-jcog0912-katai-lancet-gastroenterol-hepatol-2020/"}]}}