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

StatusRecruiting
PhasePhase 4
Started2024-07-02
View on ClinicalTrials.gov ↗
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.

Amendment history

2026-01-23
Study Status, Study Design v5
Primary completion date2025-12-31→2026-06-30
Completion date2025-12-31→2026-06-30
Enrollment target1098→1176
2024-10-07
Study Status, Contacts/Locations v4
Study sites21→16
2024-08-06
Study Status, Contacts/Locations v3
Study sitesdetails revised at 2 of 21 sites
2024-07-01
Study Status, Contacts/Locations v2
Start dateestimated 2024-05-10→confirmed 2024-07-02
Study sitesdetails revised at 9 of 21 sites
2024-04-23
Study Status, Contacts/Locations v1
Start date2024-04-10→2024-05-10
Study sitesdetails revised at 1 of 21 sites
2024-04-05
Original filing
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.
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