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ClinicalTrials.gov public records Last synced Nov 3, 2026, 6:47 AM EST

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

Showing 577–600 of 1,440 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Measurement Clear all
Withdrawn No phase listed Observational

Comparison Study of BNP and Thoracic Impedance Measurements on Arrhythmias

NCT00580255
View directory record Official record
Conditions
Heart Failure, Arrhythmias
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2017 · Synced Nov 3, 2026, 6:47 AM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Person-Centered Quality Measurement and Management in a System for Addictions Treatment in New York State (Project 3)

NCT06408233
View directory record Official record
Conditions
Health Services Research
Interventions
Performance Coaching
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 64 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 3, 2026, 6:47 AM EST
Completed Not applicable Interventional

Recurrent Hypoglycemia in Type 1 Diabetes (Aim 1)

NCT03410277
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Experimental hypoglycemia
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Nov 3, 2026, 6:47 AM EST
Completed No phase listed Observational

Comparison of Cardiac Output With LiDCO Rapid and TEE Against Thermodilution Technique in Cardiac Surgery

NCT02511457
View directory record Official record
Conditions
Low Cardiac Output
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
30 Years to 90 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Nov 3, 2026, 6:47 AM EST
Terminated No phase listed Observational Accepts healthy volunteers

Measurements and Characterization of Doppler Signals From the Right Chest in Pediatric and Adult Patients

NCT01913457
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Ultrasound Doppler
Radiation
Lead sponsor
Echosense Ltd.
Industry
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
2
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Nov 3, 2026, 6:47 AM EST
Completed Phase 4 Interventional Accepts healthy volunteers

Utility of Versican and Hyaluronan Measurement in Induced Sputum as Biomarkers of Asthma

NCT00980707
View directory record Official record
Conditions
Allergic Asthma
Interventions
Inhaled corticosteroid (fluticasone)
Drug
Lead sponsor
Associated Scientists to Help Minimize Allergies
Other
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Nov 3, 2026, 6:47 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study to Test the Safety and Feasibility of a Brillouin Ocular Analyzer

NCT01775007
View directory record Official record
Conditions
Measurement of the Elasticity of the Anterior Eye Segment
Interventions
Brillouin Ocular Analyser
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Nov 3, 2026, 6:47 AM EST
Completed Phase 4 Interventional Results available

Study to Measure Drug Satisfaction of Patients With Schizophrenia After Switching From Risperidone to Paliperidone

NCT00535132
View directory record Official record
Conditions
Schizophrenia
Interventions
Oral Risperidone, Paliperidone ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
15
States / cities
Cerritos, California • Garden Grove, California • Huntington Beach, California + 12 more
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Nov 3, 2026, 6:47 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Innovatively Increasing PCP Prescribing of Buprenorphine: Measurement Based Care and Integrated Electronic Solution

NCT04059016
View directory record Official record
Conditions
Opioid Abuse and Addiction
Interventions
MBC4OUD
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Nov 3, 2026, 6:47 AM EST
Completed No phase listed Observational

Vascular Reactivity in Metabolic Syndrome and Diabetic Patients Using Diffuse Optical Spectroscopy

NCT00793481
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
45 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Nov 3, 2026, 6:47 AM EST
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Measurement of Ocular Microtremor With the iTremor Device in a Diverse US Cohort

NCT07858214
View directory record Official record
Conditions
All Conditions, All
Interventions
Not listed
Lead sponsor
Head Diagnostics
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Nov 3, 2026, 6:47 AM EST
Withdrawn Not applicable Interventional Accepts healthy volunteers

Ultrasound for Rectus Femoris Measurement

NCT04105816
View directory record Official record
Conditions
Muscle Atrophy, Proximal, Muscle Atrophy, ACL Tear, Quadriceps Muscle Atrophy
Interventions
892.1550 Ultrasonic pulsed doppler imaging system, Thigh circumference measurement
Device · Diagnostic Test
Lead sponsor
Robert Westermann
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Nov 3, 2026, 6:47 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Biosynthesis of PGD2 in Vivo

NCT01275300
View directory record Official record
Conditions
Hyperlipidemia
Interventions
Aspirin, Placebo, Niacin
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Nov 3, 2026, 6:47 AM EST
Recruiting Not applicable Interventional

Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure

NCT06735599
View directory record Official record
Conditions
Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female, Adult, Cognition, Endothelial Function (Reactive Hyperemia), Oxidative Stress, Diet, Overweight, Body Composition Measurement, Gut Microbiome, Arterial Stiffness, Caucasian Whites, Inflammation, Microvascular Function
Interventions
Wild Blueberry, Placebo
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Nov 3, 2026, 6:47 AM EST
Withdrawn Not applicable Interventional

Impedance During Cardiac Catheterization to Build a Non-Invasive Cardiac Output Algorithm

NCT06171698
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Research Prototype Monitor
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Nov 3, 2026, 6:47 AM EST
Recruiting Phase 4 Interventional Accepts healthy volunteers

Effects of Caffeine on Reinforcement Learning in Healthy Adults Using PET/MRI

NCT06763172
View directory record Official record
Conditions
Healthy, Caffeine, Adenosine, Dopamine D2/3 Receptor Availability
Interventions
Caffeine (200 mg), Placebo
Drug
Lead sponsor
Hsiao-Ying Wey
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Nov 3, 2026, 6:47 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Ultrasonographic Measurements of the Median Nerve Before and After Splinting for Carpal Tunnel Syndrome

NCT02038205
View directory record Official record
Conditions
Carpal Tunnel Syndrome
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Nov 3, 2026, 6:47 AM EST
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 Nov 3, 2026, 6:47 AM EST
Completed Not applicable Interventional

Decisional Quality for Patients With Coronary Artery Disease

NCT02145481
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Decision Aid, CAD Education
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
677 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
4
States / cities
San Francisco, California • Atlanta, Georgia • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Nov 3, 2026, 6:47 AM EST
Completed No phase listed Observational Accepts healthy volunteers Results available

Measurements of Body Iron Excretion of Healthy Adults

NCT00755105
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2005
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Nov 3, 2026, 6:47 AM EST
Completed Phase 2 Interventional Accepts healthy volunteers

Renal Blood Flow Measurement With Positron Emission Tomography (PET)

NCT00714142
View directory record Official record
Conditions
Renal Failure, Renal Artery Stenosis
Interventions
62Cu-ethylglyoxal bis(thiosemicarbazone), 15O-water, Positron Emission Tomography
Drug · Procedure
Lead sponsor
Jeffrey L. Lacy
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Nov 3, 2026, 6:47 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Safety of Graded-Dose of Histidine in Humans

NCT04142294
View directory record Official record
Conditions
Healthy
Interventions
Histidine
Dietary Supplement
Lead sponsor
Cornell University
Other
Eligibility
21 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Nov 3, 2026, 6:47 AM EST
Recruiting Not applicable Interventional

E-diary vs Paper Diary in Binge Eating Disorder

NCT07715812
View directory record Official record
Conditions
Binge Eating Disorder
Interventions
The subject will complete e-diary for 2 weeks, complete paper diary for 2 weeks
Other
Lead sponsor
Lindner Center of HOPE
Other
Eligibility
Up to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Mason, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Nov 3, 2026, 6:47 AM EST
Not listed Not applicable Interventional

Online Education Module to Accurately Classify Polyp Size

NCT05846295
View directory record Official record
Conditions
Colorectal Polyp, Colonic Neoplasms
Interventions
ESTIMATE
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Nov 3, 2026, 6:47 AM EST