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ClinicalTrials.gov public records Last synced Oct 31, 2026, 6:37 AM EDT

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Showing 73–96 of 1,441 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Measurement Clear all
Completed No phase listed Observational Accepts healthy volunteers

Reliability of Topography Measurements in Keratoconus

NCT03511495
View directory record Official record
Conditions
Keratoconus
Interventions
Galilei Corneal Topographer
Diagnostic Test
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Oct 31, 2026, 6:37 AM EDT
Completed No phase listed Observational

Prospective Evaluation of Forceplate Measured Levodopa-Induced Dyskinesia

NCT00912977
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Oct 31, 2026, 6:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sedentary Behavior in African Americans

NCT00907465
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 4, 2012 · Synced Oct 31, 2026, 6:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Positron Emission Tomography to Measure Pain and Pain Control

NCT00001307
View directory record Official record
Conditions
Healthy, Hyperalgesia, Pain, Peripheral Nervous System Disease
Interventions
Oxygen-15 Water, Capsaicin
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Not listed
Enrollment
273 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 31, 2026, 6:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comprehensive and Continuous Status Measurement of Pre- and Post-Deployment Warfighters With Mobile Application

NCT04672811
View directory record Official record
Conditions
Military Operations, Military Activity
Interventions
Study App and Apple Watch
Device
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Oceanside, California • Fayetteville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 31, 2026, 6:37 AM EDT
Completed No phase listed Observational

Blood Loss Measurement During Cesarean Delivery

NCT02667600
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
Alex James Butwick
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Oct 31, 2026, 6:37 AM EDT
Enrolling by invitation Not applicable Interventional

Optimal Measurement of Spleen Stiffness Among Veterans With Metabolic Dysfunction-Associated Steatotic Liver Disease

NCT06953830
View directory record Official record
Conditions
Metabolic-dysfunction-associated Fatty Liver Disease (MAFLD)
Interventions
Vibration-controlled transient elastography
Device
Lead sponsor
William Jennings Bryan Dorn VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Oct 31, 2026, 6:37 AM EDT
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 Oct 31, 2026, 6:37 AM EDT
Recruiting No phase listed Observational

Identifying Substance Use Consequences

NCT07503067
View directory record Official record
Conditions
Substance Use Disorder (SUD)
Interventions
none, there is no intervention in this study
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 31, 2026, 6:37 AM EDT
Completed Early Phase 1 Interventional

Micro-stream Capnography in Non-intubated Lean and Obese Patients With and Without Obstructive Sleep Apnea

NCT00653471
View directory record Official record
Conditions
Obesity, Obstructive Sleep Apnea
Interventions
Microcapmicro-stream device with Smart CapnoLine Plus, Microcap micro-stream device with CapnoLine, TG-920 main-stream device (Nihon Kohden, Tokyo, Japan).
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Oct 31, 2026, 6:37 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

In Vivo Assessment of Cellular Metabolism in Humans

NCT02748369
View directory record Official record
Conditions
Normal Cellular Metabolism
Interventions
Somatostatin, Glucagon
Drug
Lead sponsor
K. Sreekumaran Nair
Other
Eligibility
18 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Oct 31, 2026, 6:37 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 7, 2026 · Synced Oct 31, 2026, 6:37 AM EDT
Completed No phase listed Observational

Red Cell Mass and Plasma Volume Measurements in Elderly Men and Women With Anemia

NCT01011361
View directory record Official record
Conditions
Anemia
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
65 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2016 · Synced Oct 31, 2026, 6:37 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of a Digital Visual Acuity Device vs. Standard Visual Acuity Measurements

NCT06431295
View directory record Official record
Conditions
Visual Acuity
Interventions
FaceScan
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Oct 31, 2026, 6:37 AM EDT
Terminated Not applicable Interventional

Evaluating Genes in Sputum to Measure Drug Response in COPD

NCT00233051
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD), Emphysema, Chronic Bronchitis
Interventions
Salmeterol or Salmeterol/Fluticasone
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
40 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 31, 2026, 6:37 AM EDT
Not listed Not applicable Interventional

TAP Catheters Versus Intrathecal Morphine for Cesarean Section

NCT01593280
View directory record Official record
Conditions
Abdominal Muscles/Ultrasonography, Adult, Anesthetics, Local/Administration & Dosage, Ropivacaine/Administration & Dosage, Ropivacaine/Analogs & Derivatives, Cesarean Section, Humans, Nerve Block/Methods, Pain Measurement/Methods, Pain, Postoperative/Prevention & Control, Ultrasonography, Interventional
Interventions
TAP catheter, intrathecal morphine
Device · Drug
Lead sponsor
Stamford Anesthesiology Services, PC
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Stamford, Connecticut
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Oct 31, 2026, 6:37 AM EDT
Withdrawn Not applicable Interventional

The Feasibility and Accuracy of Exhaled CO2 to Measure Cardiac Output in Ventilated Patients Without Tracheal Intubation

NCT00783679
View directory record Official record
Conditions
Cardiac Physiology, Cardiac Output
Interventions
NICO device
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 25, 2012 · Synced Oct 31, 2026, 6:37 AM EDT
Terminated Phase 3 Interventional Results available

Study to Determine if a New Nicotine Replacement Therapy Can Safely Help Smokers to Quit Smoking

NCT01296698
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Placebo, Nicotine
Drug
Lead sponsor
McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.
Industry
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
19
States / cities
Muscle Shoals, Alabama • Oceanside, California • Griffin, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2012 · Synced Oct 31, 2026, 6:37 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Longevity Metrics AI/ML Development Study

NCT07808619
View directory record Official record
Conditions
Aging, Mortality, Cardiovascular Disease Prevention, Metabolic Syndrome, Cognitive Dysfunction, Frailty, Musculoskeletal Diseases, Activities of Daily Living, Physical Disability, Preventive Health Services, Health Services Accessibility, Diagnostic Techniques and Procedures
Interventions
AIML scored health screening battery
Diagnostic Test
Lead sponsor
Longevity Metrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2099
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 31, 2026, 6:37 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Carbon-11 Butanol: Whole Body Radiochemical and Radiation Safety

NCT04050800
View directory record Official record
Conditions
Neuro-Degenerative Disease
Interventions
Carbon 11 Butanol
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 31, 2026, 6:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of a Segmental Bioelectrical Impedance Spectroscopy Device for Body Composition Measurement

NCT04006899
View directory record Official record
Conditions
Medical Device
Interventions
Bioelectrical Impedance Monitor
Device
Lead sponsor
Jun Choi
Other
Eligibility
Not listed
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Statesboro, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 31, 2026, 6:37 AM EDT
Recruiting No phase listed Observational

Clinical Outcome Measure at Stryker Spine

NCT06226272
View directory record Official record
Conditions
Degenerative Disc Disease, Degenerative Scoliosis
Interventions
Spinal Fusion, Spinal Deformities Correction
Device
Lead sponsor
VB Spine, LLC
Industry
Eligibility
18 Years and older
Enrollment
5,222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
7
States / cities
Jacksonville, Florida • Scarborough, Maine • Southfield, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 31, 2026, 6:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Frequency Chest Wall Oscillation Vests on Spirometry Measurements

NCT03534986
View directory record Official record
Conditions
Cystic Fibrosis, Bronchiectasis
Interventions
International Biophysics AffloVest, Hill-Rom The Vest, Respirtech inCourage, Electromed SmartVest
Device
Lead sponsor
International Biophysics Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Kissimmee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 31, 2026, 6:37 AM EDT
Completed Not applicable Interventional

3D Sonographic Measurement of Volumetric Flow in Transjugular Intrahepatic Porto-Systemic Shunts

NCT02046473
View directory record Official record
Conditions
Portal Hypertension, Liver Disease
Interventions
Volumetric Flow in TIPS
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 10, 2016 · Synced Oct 31, 2026, 6:37 AM EDT