Tokyo, Sept. 18 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062964) titled 'Validation of prediction models for prolonged hospital stay after gastrectomy' on Sept. 17.

Study Type: Observational

Primary Sponsor: Institute - Kameda Medical Center

Condition: Condition - Gastric cancer Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To develop machine learning models predicting prolonged postoperative stay after gastrectomy for gastric cancer, and to evaluate their discrimination, calibration, and clinical utility using internal cross-validation and temporal validation (development cohort 1996-2015, test cohort 2016-2026). To additionally examine how DPC (Diagnosis Procedure Combination)-based outcome definitions affect model performance. Basic objectives2 - Others

Eligibility: Age-lower limit - 20 years-old = Gender - Male and Female Key inclusion criteria - Patients who underwent distal gastrectomy, proximal gastrectomy, or total gastrectomy for gastric cancer at Kameda Medical Center between April 1996 and March 2026, with recorded postoperative length of stay Key exclusion criteria - Patients with postoperative length of stay exceeding 300 days Target Size - 2663

Recruitment Status: Recruitment status - No longer recruiting Date of protocol fixation - 2026 Year 08 Month 04 Day Date of IRB - 2026 Year 08 Month 04 Day Anticipated trial start date - 2026 Year 08 Month 04 Day Last follow-up date - 2026 Year 09 Month 30 Day

To know more, visit https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072092

Disclaimer: Curated by HT Syndication.