At a glance
ClinicalIndex Comparison RecordN/ACompleted· 687 enrolled
Drug / intervention
Vitamin B12 and folic acid +2 moredrug
Likely dose
Vitamin B12 and folic acid 1 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Pharmacogenetics of Adverse Outcomes After Nitrous Oxide Anesthesia
In Brief
A clinical study evaluating Vitamin B12 and folic acid, Nitrous oxide and placebo, and 1 other intervention for Major Surgery and Coronary Artery Disease. Completed, enrolled 687 participants across 1 site.
Detailed Summary
In this study, we want to find out if laughing gas (nitrous oxide) leads to a higher rate of cardiac complications after surgery in patients with a specific genetic profile (mutations in the MTHFR gene) and if this risk can be prevented by giving patients vitamin B12 and folate during surgery.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsMajor Surgery, Coronary Artery Disease
CountriesUnited States
Timeline
N/ACompletedFinished
20082009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartFeb 2008
First PostedApr 2008
Primary CompletionDec 2016
TodayJul 2026
First PostedApr 10, 2008
Enrollment StartFeb 1, 2008
Primary CompletionDec 1, 2016
TodayJul 2, 2026
Enrollment to primary: 8.8 yearsPosted 18.2 years ago
Interventions
Vitamin B12 and folic aciddrug
1 mg vitamin B12 IV 5 mg folic acid IV in 100 ml NS infusion
Nitrous oxide and placebodrug
standard of careother