Clinical trial
The ENIGMA II Trial:Nitrous Oxide Anaesthesia and Cardiac Morbidity After Major…
NCT00430989 · Bayside Health, Other · Completed
Key facts
| NCT number | NCT00430989 |
|---|---|
| Title | The ENIGMA II Trial:Nitrous Oxide Anaesthesia and Cardiac Morbidity After Major Surgery: a Randomised Controlled Trial |
| Official title | Large, Randomised, Parallel-group, Controlled Trial, With Patients Randomly Allocated to Either N2O-containing (70% N2O in Oxygen [FiO2 0.3]) or N2O-free (70% Nitrogen in Oxygen [FiO2 0.3]). |
| Lead sponsor | Bayside Health, Other |
| Collaborators | National Health and Medical Research Council, Australia |
| Status | Completed |
| Phase | Phase 4 |
| Study type | Interventional |
| Conditions | Coronary Artery Disease |
| Intervention type | Other |
| Interventions | Nitrous Oxide, No Nitrous Oxide |
| Enrollment | 7,112 |
| Start date | Apr 1, 2007 |
| Primary completion | Sep 1, 2013 |
| Completion | Sep 1, 2013 |
| First posted | Feb 2, 2007 |
| Last update posted | Jan 20, 2026 |
| Countries | Australia |
At a glance
- 1–9 Study sites
- Yes Results posted
- None Linked FDA submissions
Counts are shown as ranges. Exact figures, trends and every underlying record are available in Orca1.
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Source: U.S. National Library of Medicine (NLM), ClinicalTrials.gov · Source date: