CI

At a glance

ClinicalIndex Comparison Record
Phase 4Completed· 3,626 enrolled
Drug / intervention
Norepinephrine +1 moredrug
Likely dose
Not stated in 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.

Search/NCT04789330
NCT04789330Phase 4Completed

The Choice of Vasopressor for Treating Hypotension During General Anesthesia: a Pilot Pragmatic Cluster Cross-over Randomized Trial (the VEGA-1 Trial)

University of California, San Francisco·interventional·Posted Mar 9, 2021·Updated Dec 18, 2025

In Brief

A Phase 4 clinical trial evaluating Norepinephrine and Phenylephrine for Anesthesia and 2 related conditions. Completed, enrolled 3,626 participants across 5 sites.

Detailed Summary

50 million patients undergo surgery each year in the United States. Postoperative mortality is considered the third leading cause of death worldwide. Hypotension during surgery have been linked to increased postoperative morbidity and mortality. Episodes of hypotension during surgery are associated with an increased risk of acute kidney injury, stroke, cardiac events and death. Treating or preventing hypotension during general anesthesia and major surgery was found to improve outcomes. At this time, it is unclear what is the best vasopressor to maintain blood pressure during surgery under general anesthesia. With this pilot pragmatic trial, the investigators will explore the impact of norepinephrine (NE) or phenylephrine (PE) on post-operative events in patients undergoing major surgery with general anesthesia and needing vasopressors infusion to maintain their systemic arterial pressure.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 4CompletedFinished
20222023202420252026
First PostedMar 9, 2021
Enrollment StartJul 1, 2021
Primary CompletionApr 1, 2022
TodayJul 2, 2026
Enrollment to primary: 9 monthsPosted 5.3 years ago

Interventions

Norepinephrinedrug

Norepinephrine administered during anesthesia

Phenylephrinedrug

Phenylephrine administered during anesthesia