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ClinicalTrials.gov public records Last synced Oct 27, 2026, 2:08 AM EDT

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Showing 25–48 of 79 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Reproducibility Clear all
Completed No phase listed Observational

Repeatability and Reproducibility of the CADence™System

NCT03793049
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
CADence testing will be performed
Device
Lead sponsor
AUM Cardiovascular, Inc.
Industry
Eligibility
22 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
3
States / cities
Minneapolis, Minnesota • Northfield, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Imaging of Brain Receptors in Healthy Volunteers and in Patients With Schizophrenia

NCT00061789
View directory record Official record
Conditions
Schizophrenia
Interventions
SPECT Imaging of Nicotinic Acetylcholine Receptors in Brain
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 27, 2026, 2:08 AM EDT
Active, not recruiting Not applicable Interventional

Quantitative Ultrasound (RS85 and R20) for Liver Fat Quantification in MASLD Using MRI-PDFF as Reference

NCT07192159
View directory record Official record
Conditions
Metabolic Dysfunction-Associated Steatotic Liver Disease, Hepatic Steatosis, Liver Disease Parenchymal
Interventions
Quantitative ultrasound (DeepUSFF)
Device
Lead sponsor
Seoul National University Hospital
Other
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boardman, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 27, 2026, 2:08 AM EDT
Terminated Not applicable Interventional Results available

Reliability and Reproducibility of the Eye Check Tonometer

NCT04639947
View directory record Official record
Conditions
Glaucoma, Glaucoma, Suspect
Interventions
EyeCheck, Traditional Tonometer (Goldmann and Tonopen)
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Spaeth/Richman Contrast Sensitivity Test

NCT01300949
View directory record Official record
Conditions
Glaucoma
Interventions
Spaeth/Richman Contrast Sensitivity Test, Pelli-Robson Contrast Sensitivity Chart
Diagnostic Test
Lead sponsor
Wills Eye
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational

Home OCT Repeatability and Reproducibility of Automatic Fluid Quantification Study

NCT05281042
View directory record Official record
Conditions
Neovascular Age-related Macular Degeneration
Interventions
Not listed
Lead sponsor
Notal Vision Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Glen Burnie, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Repeatability and Reproducibility of the IOLMaster 700 Vers 1.70 and Agreement With IOLMaster 700 Vers. 1.50 and Pentacam

NCT03518775
View directory record Official record
Conditions
Cornea
Interventions
Biometry
Device
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
22 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Reproducibility of HbA1c Measurement on the Aina HbA1c Monitoring System

NCT03232437
View directory record Official record
Conditions
Diabetes
Interventions
Aina HbA1c Monitoring System
Device
Lead sponsor
Jana Care
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
3
States / cities
Tustin, California • Cambridge, Massachusetts • Methuen, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2017 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Non-Invasive Blood Test Cross-Validation Study

NCT03991637
View directory record Official record
Conditions
Reproducibility of Results, Safety Issues
Interventions
Non-Invasive Comprehensive Metabolic Panel
Device
Lead sponsor
Joseph Allen Jr.
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dynamic Light Scattering Device (DLS) Study of Age-Related Changes in the Lens and Cataracts

NCT00007215
View directory record Official record
Conditions
Cataract, Healthy
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessing Variability of the Ventilatory Response to Duffin's Rebreathing Procedure

NCT05168501
View directory record Official record
Conditions
Ventilation, Reproducibility, Physiology
Interventions
Rebreathing procedure
Other
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Phase 1 Interventional

PET Whole Body Biodistribution and Test Retest Bain Imaging Studies Using a Phosphodiesterase 4 Inhibitor (R)-[11C]Rolipram

NCT00250172
View directory record Official record
Conditions
Dosimetry, Healthy
Interventions
[C-11](R)-rolipram
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of 18F-AV-45 in Alzheimer's Disease (AD) and Healthy Volunteers

NCT01565343
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
florbetapir F 18
Drug
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
35 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
4
States / cities
New Haven, Connecticut • Hallandale, Florida • West Palm Beach, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated May 10, 2012 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

DTI of the Brain and Cervical Spine: Evaluation in Normal Subjects and Patients With Cervical Spondylotic Myelopathy

NCT01868958
View directory record Official record
Conditions
Cervical Spondylosis With Myelopathy
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
30 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational

The Reproducibility and Consistency of Instrument-assisted Soft Tissue Manipulation

NCT04923633
View directory record Official record
Conditions
Massage
Interventions
Quantifiable Soft Tissue Manipulation (QSTM)
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 75 Years
Enrollment
106 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Oct 27, 2026, 2:08 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Study to Test the Repeatability and Reproducibility in Rod Intercept Time Within the AdaptDx Pro in Healthy Subjects With Normal Vision (FlashForward)

NCT07860905
View directory record Official record
Conditions
No Disease
Interventions
AdaptDx Pro
Diagnostic Test
Lead sponsor
AdaptDx, Inc.
Industry
Eligibility
22 Years to 49 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Silverdale, Washington
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of the Reproducibility of Jumping Mechanography

NCT01164670
View directory record Official record
Conditions
Sarcopenia
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
70 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 27, 2026, 2:08 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Routine Validation and Reproducibility Testing of Laboratory Measures and Research Techniques Used for Metabolism Research (VAL)

NCT06286761
View directory record Official record
Conditions
Obesity
Interventions
endothelial cell collection
Other
Lead sponsor
Bettina Mittendorfer
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational

Evaluating Serum Sex Steroid Hormones

NCT00340756
View directory record Official record
Conditions
Validation
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
20 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 27, 2026, 2:08 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Routine Validation and Reproducibility Testing of Laboratory Assays and Research Techniques Used for Endocrine, Cardiometabolic, and Musculoskeletal Disorder Research (VALD)

NCT07083557
View directory record Official record
Conditions
Obesity and Obesity-related Medical Conditions, Diabetes, Atherosclerotic Disease, Heart Failure, MASH, Sarcopenia, Osteoporosis, Hyperparathyroidism, Hypoparathyroidism, Ischemic Heart Disease, Cystic Fibrosis (CF), Chronic Kidney Disease(CKD), Osteopenia, Cachexia
Interventions
Endothelial cell collection
Other
Lead sponsor
Bettina Mittendorfer
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2030
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective Clinical Trial Designed to Evaluate the Repeatability and Reproducibility of the Intelon BOSS(tm) System

NCT05423041
View directory record Official record
Conditions
Corneal Transplant, Corneal Crosslinking, Healthy Eyes
Interventions
BOSS Imaging
Diagnostic Test
Lead sponsor
Intelon Optics, Inc
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 27, 2026, 2:08 AM EDT
Completed No phase listed Observational

Intraoperative M-Entropy Measurements

NCT00599066
View directory record Official record
Conditions
General Anesthesia
Interventions
study cases
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Reproducibility of Malaria Challenge in Healthy Volunteers

NCT01058226
View directory record Official record
Conditions
Healthy
Interventions
Malaria challenge (wild-type NF54 strain Plasmodium falciparum sporozoites)
Biological
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 31, 2011 · Synced Oct 27, 2026, 2:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Flortaucipir PET in Healthy Volunteers and Cognitively Impaired Subjects

NCT01992380
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Flortaucipir F18, Brain PET scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Newport Beach, California • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 7, 2020 · Synced Oct 27, 2026, 2:08 AM EDT