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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:37 AM EDT

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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Rainbow sensor Clear all
Completed No phase listed Observational

Comparing Validity of Non-Invasive Hemoglobin Monitoring to Laboratory Results in Critically Ill Children

NCT01750463
View directory record Official record
Conditions
Hemoglobin Results
Interventions
Masimo Pronto Rad 7 Non-Invasive hemoglobin monitor, Standard Laboratory Blood Draw and Hemoglobin Analysis
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
30 Days to 18 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Methemoglobin Measurement of Various Rainbow Pulse Oximeter Sensors

NCT03124836
View directory record Official record
Conditions
Healthy
Interventions
Pulse Oximeter Sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Noninvasive Hemoglobin Pulse Oximeter (Rainbow Resposable Adhesive Sensors)

NCT03124771
View directory record Official record
Conditions
Healthy
Interventions
Rainbow Resposable Adhesive Sensors
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Methemoglobin Measurement for Rainbow Universal Pulse Oximeter Sensor

NCT03125005
View directory record Official record
Conditions
Healthy
Interventions
Rainbow Universal Pulse Oximeter Sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
2
States / cities
Irvine, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Noninvasive Hemoglobin Measurement (SpHb) Using Rainbow DCI Pulse Oximeter Sensor

NCT03124693
View directory record Official record
Conditions
Healthy, Surgery
Interventions
Rainbow DCI pulse oximeter sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
3
States / cities
Irvine, California • Loma Linda, California • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 12, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Measurement of Total Hemoglobin by Pulse Oximetry in Neonatal Population

NCT03120702
View directory record Official record
Conditions
Anemia
Interventions
Investigational Rainbow SpHb sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
Up to 16 Weeks
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Oct 21, 2026, 10:37 AM EDT
Completed No phase listed Interventional Results available

Oxygen Reserve Index: Utility as Early Warning for Desaturation in Morbidly Obese Patients

NCT03021551
View directory record Official record
Conditions
Morbid Obesity, Surgery
Interventions
Rainbow sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Noninvasive Pulse Oximeter Measurement of Hemoglobin for Rainbow DCI Sensor

NCT03124901
View directory record Official record
Conditions
Surgery, Healthy
Interventions
DCI pulse oximeter sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Irvine, California • Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Noninvasive Hemoglobin Disposable Sensors

NCT03125031
View directory record Official record
Conditions
Healthy
Interventions
Rainbow adhesive adult/pediatric sensor, Rainbow adhesive adult/neonatal sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Noninvasive Pulse Oximeter Sensor (Rainbow DCI)

NCT03124823
View directory record Official record
Conditions
Healthy
Interventions
Rainbow DCI Sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 45 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 28, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Repeatability and Reproducibility of Oxygen Reserve Index (ORi)

NCT05636098
View directory record Official record
Conditions
Healthy
Interventions
Masimo Rainbow Sensors
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2025 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Methemoglobin Measurement for Rainbow DCI Sensors

NCT03124927
View directory record Official record
Conditions
Healthy
Interventions
DCI pulse oximeter sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Tucson, Arizona • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Hemoglobin Measurement for Various Rainbow Pulse Oximeter Sensors

NCT03124966
View directory record Official record
Conditions
Healthy
Interventions
Pulse Oximeter sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
2
States / cities
Irvine, California • Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Accuracy of Noninvasive Rainbow Adhesive R1 Pulse Oximeter Sensor

NCT03134313
View directory record Official record
Conditions
Healthy
Interventions
Rainbow Adhesive Noninvasive R1 Pulse Oximeter Sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Terminated Not applicable Interventional

Rainbow Acoustic Monitoring (RAM) Clinical Engineering Data Collection

NCT03120897
View directory record Official record
Conditions
Sleep Apnea
Interventions
RAM sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
Up to 70 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Rainbow DCI vs. R1-25 Sensor SpHb Sub-Range Performance Equivalence

NCT03157232
View directory record Official record
Conditions
Healthy
Interventions
Rainbow DCI and R1-25 sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Rainbow INVSENSOR00001 and Control SpHb Disposable Sensor Performance During Hemodilution

NCT03273166
View directory record Official record
Conditions
Healthy
Interventions
INVSENSOR00001, Control SpHb sensor, Hemodilution
Device · Procedure
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2020 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Rainbow R2-25 vs. R1-25 SpHb Sub-Range Performance Equivalence

NCT03134326
View directory record Official record
Conditions
Healthy
Interventions
R1-25 and R2-25 Pulse Oximeter Sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 21, 2026, 10:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Hemoglobin Monitoring of Women Undergoing Cesarean Delivery

NCT02275507
View directory record Official record
Conditions
Complications of Pregnancy, Childbirth and the Puerperium
Interventions
Masimo Rainbow Sensor
Device
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Accuracy of Acoustic Rainbow Monitoring (ARM) Sensor

NCT03124862
View directory record Official record
Conditions
Healthy
Interventions
ARM sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Comfort Evaluation of Non-Invasive Respiratory Monitor Interfaces

NCT01494844
View directory record Official record
Conditions
Respiratory Device Comfort
Interventions
Respiratory monitor patient interface.
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
20 Years to 49 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 9, 2013 · Synced Oct 21, 2026, 10:37 AM EDT
Terminated Not applicable Interventional Results available

Rainbow Acoustic Monitoring (RAM) in Patients Weighing up to 10kg Comparison Study

NCT03482505
View directory record Official record
Conditions
Respiration Rate
Interventions
INVSENSOR00004
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
2
States / cities
Loma Linda, California • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional

Use of Rainbow Acoustic Monitoring in Pediatric Patients - A Clinical Engineering Data Collection Protocol

NCT03128827
View directory record Official record
Conditions
Surgery
Interventions
RAM sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
Up to 18 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Oct 21, 2026, 10:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Performance Equivalence of Rainbow Acoustic Monitoring (RAM) Small Sensor and RAM Revision D Sensor

NCT03122405
View directory record Official record
Conditions
Healthy
Interventions
RAM sensors
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Oct 21, 2026, 10:37 AM EDT