Geneva, Sept. 21 -- International Clinical Trials Registry received information related to the study (ChiCTR2600131429) titled 'Effects of calcium ß-hydroxy-ß-methylbutyrate (CaHMB) fortified oral nutritional supplementation on muscle condition and clinical outcomes after gastrointestinal tumor surgery' on Sept. 2.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Shanghai Sixth people's Hospital

Condition: Gastrointestinal tumor

Intervention: Experimental group:Oral supplementation with a nutritional supplement containing 3g CaHMB daily for 30 consecutive days starting from postoperative days 3 to 5.

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-09-02

Target S...