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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Arterial Blood Gas Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Accuracy of Pulse Oximeter With Profound Hypoxia

NCT05693168
View directory record Official record
Conditions
Hypoxia
Interventions
ANNE Limb Sensor
Device
Lead sponsor
Sibel Health Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Sep 29, 2026, 9:08 AM EDT
Not yet recruiting Not applicable Interventional

Clinical Evaluation of an Alarm Activated Detection System to Enable Early Intervention of Emerging Respiratory Decline With the Linshom Medical Continuous Predictive Respiratory Sensor (CPRS)

NCT07793981
View directory record Official record
Conditions
Post Surgical Respiratory Failure, Respiratory Complication, Opioid Induced Respiratory Depression, Respiratory Arrest
Interventions
Linshom Continuous Predictive Respiratory Monitoring
Device
Lead sponsor
Linshom Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Baltimore, Maryland • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics

NCT04226131
View directory record Official record
Conditions
Rheumatoid Arthritis, Healthy Controls
Interventions
Blood Draw, Disease Activity (DAS-28) Assessment, Skeletal Muscle Mitochondrial Respiratory Capacity, Muscle Biopsy, Body Composition, Cardiopulmonary Exercise Test (CPET), Strength Testing, Questionnaires, Skeletal Muscle Biomechanical Property Assessment
Other
Lead sponsor
Duke University
Other
Eligibility
25 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced Sep 29, 2026, 9:08 AM EDT
Completed Not applicable Interventional

Does Venous pCO2 Increase by 20 mmHg or More During Apnea Challenge Test?

NCT02503813
View directory record Official record
Conditions
Brain Death
Interventions
venous blood gas
Procedure
Lead sponsor
MemorialCare Health System
Other
Eligibility
1 Week and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2022 · Synced Sep 29, 2026, 9:08 AM EDT
Completed No phase listed Observational

Correlation of PaCO2 to the Inspired and Expired Oxygen Gradient

NCT01513213
View directory record Official record
Conditions
Neurosurgery
Interventions
Not listed
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 23, 2017 · Synced Sep 29, 2026, 9:08 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Hand Perfusion and Pulse Oximetry Performance

NCT06925646
View directory record Official record
Conditions
Oxygen Saturation
Interventions
Finger hyperperfusion via adenosine, Finger hypoperfusion via by norepinephrine, Baseline hypoxic test
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Not listed Not applicable Interventional

Evaluation of Clinical Tool to Improve Adherence to Ventilator Management at UM

NCT05661695
View directory record Official record
Conditions
Respiratory Therapy
Interventions
RT Assistant
Device
Lead sponsor
Convergent Engineering, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 29, 2026, 9:08 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Prolonged Hypoxic Breathing in Healthy Volunteers: a Safety Study

NCT02860975
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Inhaled Nitrogen
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Withdrawn Not applicable Interventional

Assessment of Cerebral Microvascular Circulation

NCT02179840
View directory record Official record
Conditions
Cerebral Microvascular Circulation
Interventions
Mechanical ventilation adjustment
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 29, 2026, 9:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Relationship Between Potassium Level in Venous Blood Samples Drawn and Heel Sticks In Infants and Newborns

NCT01349218
View directory record Official record
Conditions
Hyperkalemia
Interventions
Blood sample drawn from a vein, Blood sample drawn from a heel stick
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 6 Months
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Sep 29, 2026, 9:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Blood Gas Syringes

NCT01935284
View directory record Official record
Conditions
Blood Gas Analyte Values
Interventions
Not listed
Lead sponsor
Smiths Medical, ASD, Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Devens, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Sep 29, 2026, 9:08 AM EDT
Completed Phase 3 Interventional

Acute Normovolemic Hemodilution Versus Standard Intraoperative Management in Patients Having Hepatic Resection and Pancreaticoduodenectomy

NCT00200148
View directory record Official record
Conditions
Pancreaticoduodenectomy, Hepatectomy
Interventions
Normovolemic Hemodilution (ANH), Standard of care
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
372 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Sep 29, 2026, 9:08 AM EDT
Withdrawn Not applicable Interventional

Sleep Ventilation for Patients With Advanced Hypercapnic COPD

NCT04210050
View directory record Official record
Conditions
COPD
Interventions
Home noninvasive nocturnal ventilation with Breas VIVO 50 home ventilator or newer model as available, Breas Medical., Arterial blood gas (ABG) and serum bicarbonate level, Overnight home oximetry and transcutaneous CO2 monitoring
Device · Diagnostic Test
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2023 · Synced Sep 29, 2026, 9:08 AM EDT
Recruiting Not applicable Interventional

Hypoxia Pathways for Early Recovery After Spinal Cord Injury

NCT07002437
View directory record Official record
Conditions
Spinal Cord Injuries (SCI)
Interventions
Augmented Acute Intermittent Hypoxia (aAIH), Acute Intermittent Hypercapnic-Hypoxia (AIHH), Sham AIH
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 29, 2026, 9:08 AM EDT
Recruiting Phase 2 Interventional

The Cardiovascular Consequences of Sleep Apnea Plus COPD (Overlap Syndrome)

NCT05237505
View directory record Official record
Conditions
Obstructive Sleep Apnea, Chronic Obstructive Pulmonary Disease, Overlap Syndrome
Interventions
bi-level positive pressure non invasive ventilation, Oxygen gas
Device · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 79 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Active, not recruiting No phase listed Observational

Transcutaneous Carbon Dioxide Monitoring in Neonates Receiving Therapeutic Hypothermia for Neonatal Encephalopathy

NCT04603547
View directory record Official record
Conditions
Neonatal Encephalopathy
Interventions
Transcutaneous Carbon Dioxide Monitoring
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
0 Days to 3 Days
Enrollment
53 participants
Timeline
2019 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Completed Not applicable Interventional Results available

Feasibility of Obtaining Pulse Oximetry Readings From the Oropharynx

NCT05690633
View directory record Official record
Conditions
Surgery, Arterial Catheterization, Peripheral
Interventions
Pulse oximetry
Device
Lead sponsor
Joseph D. Tobias
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Terminated No phase listed Observational

Obesity Hypoventilation Syndrome Prevalence Study

NCT01964339
View directory record Official record
Conditions
Obesity Hypoventilation Syndrome
Interventions
BMI greater than or equal to 30kg/m2 scheduled for PSG. Undergo blood draw (venous blood gas and metabolic panel) and data collection from PSG study., BMI greater than or equal to 30kg/m2 scheduled for PSG. Undergo blood draw (arterial blood gas and metabolic panel) and data collection from PSG study.
Other
Lead sponsor
Philips Respironics
Industry
Eligibility
21 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Sep 29, 2026, 9:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Diagnostic Device for the Assessment of Pulpal Blood Flow

NCT03578549
View directory record Official record
Conditions
Dental Pulp Test
Interventions
Pulse Oximetry
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 29, 2026, 9:08 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Gas Kinetics and Metabolism in Anesthesia During Non Steady State

NCT00225381
View directory record Official record
Conditions
Anesthetized Healthy Patients (ASA 1 or 2) in the Supine Position, Excluding Head, Neck and Head Surgeries, Anesthetized Patient With Severe Systemic Disease (ASA 3 or 4)
Interventions
connection of measuring device to anesthesia circuit, drawing of blood sample through an arterial line, placed according to clinical criteria by primary anesthesia team, changing operating room bed position (head down and up position), adding PEEP during anesthesia, placement of esophageal Doppler for cardiac output measurements, Humidity sensor, A mixing chamber (bymixer), Pneumotachometer cuvette, Mass spectrometer sampling port
Device · Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Sep 29, 2026, 9:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

SpO2 System Accuracy Testing With Different Sensors

NCT01613222
View directory record Official record
Conditions
Pulse Oximetry
Interventions
Pulse oximetry
Device
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years to 55 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Sep 29, 2026, 9:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Accuracy Verification of the INVOS PM7100

NCT07166341
View directory record Official record
Conditions
Tissue Oxygenation
Interventions
Observational
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 46 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Recruiting No phase listed Observational

PRecision Integrated Saturation Monitor

NCT07686341
View directory record Official record
Conditions
CHD - Congenital Heart Disease, Single Ventricle Heart Disease
Interventions
vital sign monitoring
Device
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
0 Months to 12 Months
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 29, 2026, 9:08 AM EDT
Completed Phase 1Phase 2 Interventional

Feasibility of Mid-frequency Ventilation in Newborns With RDS: Randomized Crossover Pilot Trial

NCT01242462
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
Conventional Pressure Controlled SIMV, Mid-frequency Ventilation
Procedure · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Hour to 7 Days
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 1, 2014 · Synced Sep 29, 2026, 9:08 AM EDT