Surgery blood pressure drug showdown: which one saves more lives?

NCT ID NCT04789330

Completed Knowledge-focused Sponsor: University of California, San Francisco Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at over 3,600 adults having major surgery to find out which of two blood pressure drugs (norepinephrine or phenylephrine) works best to prevent complications like kidney injury or death. Patients received one of the two drugs during their operation. The goal was to see if one drug leads to better outcomes after surgery.

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Conditions

The condition(s) this trial relates to.

hypotensive disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ANESTHESIA HYPOTENSION SURGERY

Contacts and locations

Locations

Ronald Reagan UCLA Medical Center

Los Angeles, California, 90095, United States
UCSF Medical Center at Mission Bay

San Francisco, California, 94158, United States
UCSF Medical Center at Mount Zion

San Francisco, California, 94115, United States
UCSF Medical Center at Parnassus

San Francisco, California, 94143, United States
Zuckerberg San Francisco General Hospital

San Francisco, California, 94110, United States

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