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Evaluation of Nitrous Oxide In the Gas Mixture for Anesthesia Study (The ENIGMA 3 Trial)

Evaluation of Nitrous Oxide In the Gas Mixture for Anesthesia Study (The ENIGMA 3 Trial)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-09000701
Enrollment
Unknown
Registered
2014-09-21
Start date
2008-01-01
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anesthesia

Interventions

Two groups:Nitrous oxide Intraoperative period versus Oxygen

Sponsors

CERG
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Eligible patients are men or women aged >=18 years; 2. American Society of Anesthesiologists physical status class 1-3, 3. Patients scheduled for major elective abdominal surgeries that require resection of the gastrointestinal tract.

Exclusion criteria

Exclusion criteria: 1. Acute bowel obstruction (contraindicated for N2O administration); 2. History of fever or infection 0.4); 4. Surgery with expected duration <=1 hour or that primary wound closure is not anticipated.

Design outcomes

Primary

MeasureTime frame
Wound infection;—

Secondary

MeasureTime frame
(1) Recovery times; (2) Intensive Care Unit stay; (3) Death due to any cause <=15 days of surgery.;—

Countries

China

Contacts

Public ContactMatthew Chan
mtvchan@cuhk.edu.hk+852 26322736

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026