New sensor aims to take the guesswork out of IV fluids during surgery

NCT ID NCT03706430

Terminated Knowledge-focused Sponsor: Masimo Corporation Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a new sensor measure called RPVi to see if it can predict how patients will respond to fluids during surgery. Researchers compared RPVi to standard methods in 63 adults having elective surgery. The study was terminated early, so the findings are limited.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Pulse CO-Oximeter sensor (device)
What this could lead to: If successful, this could improve how doctors manage fluids during surgery, potentially reducing complications.
What could go wrong: The study was terminated early with only 63 participants, so results are limited and may not be reliable. The device is still investigational.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for ANESTHESIA are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

As listed by the trial registrant

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

ANESTHESIA SURGERY

Contacts and locations

Locations

University of California, Los Angeles

Los Angeles, California, 90095, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.