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NCT06359106

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

Recruiting now Phase 4 Last updated 26 January 2026
What this trial tests

Phase 4 trial testing 80% Oxygen in Oxygenation Index in 1,176 participants. Currently enrolling.

Timeline
2 July 2024
Primary endpoint
30 June 2026
30 June 2026

Quick facts

Lead sponsorChina Medical University, China
PhasePhase 4
StatusRecruiting now
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingtriple
Primary purposetreatment
Enrollment1,176
Start date2 July 2024
Primary completion30 June 2026
Estimated completion30 June 2026
Sites16 locations across China

Drugs / interventions tested

Conditions studied

Sponsor

China Medical University, China

Who can join

65 and older, any sex, with Oxygenation Index. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

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.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Effects of varying inhaled oxygen concentrations on lung function in older adult patients undergoing laparoscopic gastrointestinal surgery under general anesthesia: protocol of a prospective multicenter clinical study in China.
    Zhang T, An Y, Zhao S, Han F, et al · · 2026 · PMID 41572351 · DOI 10.1186/s13063-026-09471-3

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Other trials of 80% Oxygen

Trials testing the same drug.

Other China Medical University, China trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06359106.

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