Clinical Trial

Effects of Different Inhaled Oxygen Concentrations on Lung Function in Older Patients After Laparoscopic Gastrointestinal Surgery Under General Anesthesia

Recruiting Phase 4
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Record status
This record was last updated January 26, 2026 (before its estimated June 30, 2026 completion). Its status may not reflect the trial's current state.
Summary
This was a multicenter, prospective, parallel-grouping, randomized controlled clinical study comparing low FiO2 (40%) and high FiO2 (80%) levels in older patients undergoing laparoscopic gastrointestinal surgery.
Protocol Amendment History 5 amendments
This ClinicalTrials.gov record has been amended 5 times since 2024-04-05; most recent amendment 2026-01-23.
Trial Details
NCT Number NCT06359106
Lead Sponsor China Medical University, China
Conditions Oxygenation Index
Enrollment 1,176 participants
Start Date 2024-07-02
Primary Completion 2026-06-30 (estimated)
Study Completion 2026-06-30 (estimated)
Updated on ClinicalTrials.gov 2026-01-26