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Terminated No phase listed Observational

Masimo Radical-7 Monitor a Useful Adjuvant During Major Spine Surgery

ClinicalTrials.gov ID: NCT01221961

Public ClinicalTrials.gov record NCT01221961. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 7:39 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Study to Determine the Agreement Between Masimo Monitor and Standard of Care

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a study designed to compare the agreement of hemoglobin (Hb) measurements, documented at specific time points (the time a blood sample was obtained by the standard clinical care after physician/nurse orders it and, during that same time, the Hb value recorded by the Masimo Radical-7 monitor); recorded several times throughout patient's major spine surgery procedure (depending on how many times the physician/nurse orders the Hb value to be tested), between the standard clinical practice {intermittent measure of Hb \[Cedar Sinai Medical Center (CSMC) Lab and outside lab) and Masimo radical-7 device (continuous, non-invasive Hb level measurements)\*.

Study identification

NCT ID
NCT01221961
Recruitment status
Terminated
Study type
Observational
Phase
Not listed
Enrollment
62 participants

Conditions and interventions

Interventions

Device

Eligibility (public fields only)

Age range
18 Years to 80 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 30, 2010
Primary completion
Mar 31, 2013
Completion
Mar 31, 2013
Last update posted
Nov 14, 2013

2010 – 2013

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Cedars Sinai Medical center Los Angeles California 90048

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01221961, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 14, 2013 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01221961 live on ClinicalTrials.gov.

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