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ClinicalTrials.gov public records Last synced Sep 8, 2026, 4:48 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Reproducibility Clear all
Completed No phase listed Observational Results available

Reproducibility of 6 Minute Walk Tests for Oxygen Desaturation

NCT00740220
View directory record Official record
Conditions
Hypoxemia, Anoxia, Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 14, 2017 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational Results available

Breast Cup Immobilization Device II (GCC 1047)

NCT01704547
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Sep 8, 2026, 4:48 PM EDT
Recruiting No phase listed Observational

Cognitive Dysfunction in Chronic and Persistent Immune Thrombocytopenia

NCT06817395
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Sep 8, 2026, 4:48 PM 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 3, 2008 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Investigation on Assessing the Repeatability and Reproducibility of Central and Peripheral Refractive Error

NCT06209476
View directory record Official record
Conditions
Refractive Error
Interventions
Experimental
Diagnostic Test
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Sep 8, 2026, 4:48 PM 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 6, 2026 · Synced Sep 8, 2026, 4:48 PM EDT
Terminated No phase listed Observational

Prone Patient Positioning in Reducing Tumor Motion and Improving Breathing Reproduction in Patients With Lung Cancer Undergoing Radiation Therapy

NCT01851161
View directory record Official record
Conditions
Lung Cancer
Interventions
computed tomography, 4-dimensional computed tomography, radiation therapy
Procedure · Radiation
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2015 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

Rad-67 Repeatability and Reproducibility

NCT04196907
View directory record Official record
Conditions
Healthy
Interventions
Rad-67 Pulse CO-Oximeter and DCI Mini sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Sep 8, 2026, 4:48 PM 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 14, 2015 · Synced Sep 8, 2026, 4:48 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Evaluation of the Repeatability and Reproducibility of OCTA Image Quality With the Heidelberg Engineering SPECTRALIS With OCT Angiography Module

NCT03530449
View directory record Official record
Conditions
Retinal Vascular, Normal Eyes
Interventions
OCT Angiography, Color Fundus Photography, Optical Coherence Tomography
Device
Lead sponsor
Heidelberg Engineering GmbH
Industry
Eligibility
22 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2019 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational Results available

Evaluation of Point-of-Care (EPOC) for COVID-19

NCT05227404
View directory record Official record
Conditions
COVID-19, SARS CoV 2 Infection
Interventions
LumiraDX, RightSign, Case Control
Diagnostic Test
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 8, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional

Characterization of Hyperpolarized Pyruvate MRI Reproducibility

NCT02421380
View directory record Official record
Conditions
Malignant Solid Tumors
Interventions
Hyperpolarized Pyruvate
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 90 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
2
States / cities
Montvale, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 8, 2026, 4:48 PM 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 30, 2011 · Synced Sep 8, 2026, 4:48 PM EDT
Withdrawn Phase 2 Interventional

Test - Retest Reproducibility of 18F Fluoroestradiol (FES) PET

NCT03065712
View directory record Official record
Conditions
Breast Cancer
Interventions
F-18 Fluoroestradiol, Computed Tomography, Positron Emission Tomography, Laboratory Biomarker Analysis
Drug · Procedure · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Sep 8, 2026, 4:48 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Influence of Lumbar Ultrasound on Resident Learning Curve for Lateral Labor Epidural Placement

NCT02826668
View directory record Official record
Conditions
Labor Epidural, Lumbar Ultrasound
Interventions
Ultrasound
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational

Reproducibility of a Fecal Occult Blood Test Device for Gut Microbiota Analyses

NCT01194687
View directory record Official record
Conditions
Normal Physiology
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Sep 8, 2026, 4:48 PM EDT
Terminated Early Phase 1 Interventional

MRI With C13 Pilot Study Prostate Cancer

NCT02450201
View directory record Official record
Conditions
Prostate Cancer
Interventions
Pyruvate
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Sep 8, 2026, 4:48 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

A Study To Investigate The Ability To Use 18FDG PET Scanning To Monitor The Effectiveness Of New Drugs In COPD Patients

NCT00472264
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
PET imaging
Procedure
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 1, 2009 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational

Repeatability and Reproducibility of Cirrus HD-OCT Measurements of Illumination Areas Under the Retinal Pigment Epithelium

NCT01890187
View directory record Official record
Conditions
Advanced Dry AMD With Geographic Atrophy
Interventions
Not listed
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
50 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2013 · Synced Sep 8, 2026, 4:48 PM 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 4, 2015 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Measurement of the Eye's Blood Vessels Using the Dynamic Vessel Analyzer (DVA)

NCT00783029
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Penn State University
Other
Eligibility
21 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 6, 2012 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Spot-Check Noninvasive Hemoglobin (SpHb) Repeatability and Reproducibility

NCT03128853
View directory record Official record
Conditions
Anemia, Healthy
Interventions
Rad-67 and DCI Mini Sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
1 Month and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Irvine, California • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2020 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of the Repeatability and Reproducibility of Corneal Epithelial Thickness Mapping With SD-OCT

NCT02600546
View directory record Official record
Conditions
Repeatability & Reproducibility
Interventions
Not listed
Lead sponsor
Optovue
Industry
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 29, 2016 · Synced Sep 8, 2026, 4:48 PM 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 10, 2018 · Synced Sep 8, 2026, 4:48 PM EDT