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ClinicalTrials.gov public records Last synced Oct 27, 2026, 2:43 AM EDT

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

Showing 49–72 of 79 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Reproducibility Clear all
Active, not recruiting Not applicable Interventional

Impact of Diaphragmatic Breathing Coaching on Deep Inspiration Breath Hold Reproducibility and Organ Protection

NCT06747533
View directory record Official record
Conditions
Breathing, Mouth
Interventions
CT simulation
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 27, 2026, 2:43 AM 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 18, 2015 · Synced Oct 27, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Reproducibility and Clinical Utility of an Abbreviated Fat Tolerance Test

NCT04437459
View directory record Official record
Conditions
Dyslipidemias, Metabolic Syndrome
Interventions
High-fat shake, Pure glucose solution
Other
Lead sponsor
Oklahoma State University
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 27, 2026, 2:43 AM 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 23, 2018 · Synced Oct 27, 2026, 2:43 AM 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 18, 2018 · Synced Oct 27, 2026, 2:43 AM 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 Jul 1, 2013 · Synced Oct 27, 2026, 2:43 AM EDT
Completed Phase 1 Interventional

Test-Retest Reproducibility of 18F-DCFPyL PET/CT in the Evaluation of Patients With Metastatic Prostate Cancer

NCT03793543
View directory record Official record
Conditions
Prostate Cancer
Interventions
18F-DCFPyL Injection
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Oct 27, 2026, 2:43 AM 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 21, 2026 · Synced Oct 27, 2026, 2:43 AM 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 27, 2020 · Synced Oct 27, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prospective, Randomized, Controlled Agreement and Reproducibility Clinical Study

NCT05026658
View directory record Official record
Conditions
Digital Acuity Product
Interventions
Visibly Digital Acuity Product
Device
Lead sponsor
Visibly
Industry
Eligibility
22 Years to 40 Years
Enrollment
358 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
3
States / cities
Andover, Massachusetts • Shelby, North Carolina • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Oct 27, 2026, 2:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

PET Imaging of Dopamine in Healthy Study Participants

NCT00062946
View directory record Official record
Conditions
Healthy
Interventions
(18F)fallypride
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 27, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Precision of the Magnetocardiographer for Data Aquision and Analysis.

NCT00170014
View directory record Official record
Conditions
Myocardial Ischemia
Interventions
Magnetocardiograph
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
45 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 15, 2011 · Synced Oct 27, 2026, 2:43 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Performance and Reproducibility of the Accelerate PhenoTest™ Blood Culture (BC) Kit With New Antibiotic Wave I Updates

NCT04295915
View directory record Official record
Conditions
Bacteremia
Interventions
Specimens that meet inclusion criteria
Device
Lead sponsor
Accelerate Diagnostics, Inc.
Industry
Eligibility
Not listed
Enrollment
731 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
3
States / cities
Tucson, Arizona • Hershey, Pennsylvania • Lewisville, Texas
Source: ClinicalTrials.gov public record
Updated Apr 22, 2022 · Synced Oct 27, 2026, 2:43 AM EDT
Completed No phase listed Observational

Evaluation of the Age-Related Eye Disease Study (AREDS) Clinical Lens Grading System

NCT00078299
View directory record Official record
Conditions
Cataract
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 27, 2026, 2:43 AM 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 Feb 1, 2023 · Synced Oct 27, 2026, 2:43 AM EDT
Completed No phase listed Observational

Optical Coherence Tomography Comparative Study

NCT00069199
View directory record Official record
Conditions
Retinal Disease, Healthy
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 27, 2026, 2:43 AM EDT
Completed Phase 1 Interventional

18F-FDG Uptake Measurements in Malignant Solid Tumors on PET/CT and PET/MR

NCT02717572
View directory record Official record
Conditions
Solid Tumor, Adult
Interventions
Fludeoxyglucose F 18, Positron Emission Tomography, Computerized Tomography, Magnetic Resonance Imaging
Radiation · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 27, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Test-retest Reproducibility of [11C]PHNO PET Using the Constant Infusion Paradigm

NCT01699607
View directory record Official record
Conditions
Nicotine Dependence, Healthy
Interventions
Amphetamine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 6, 2020 · Synced Oct 27, 2026, 2:43 AM EDT
Not yet recruiting Not applicable Interventional

Evaluation of Gixam's Repeatability and Reproducibility Predicting the Presence of Advanced and Non-Advanced Colorectal Neoplasia

NCT07894081
View directory record Official record
Conditions
CRC Screening
Interventions
Gixam System
Device
Lead sponsor
Jubaan Ltd.
Industry
Eligibility
45 Years to 84 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 27, 2026, 2:43 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

MRI Markers of Cartilage Damage in Knee With Osteoarthritis

NCT00820430
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Magnetic Resonance Imaging
Other
Lead sponsor
American College of Radiology
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
5
States / cities
Hershey, Pennsylvania • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 20, 2023 · Synced Oct 27, 2026, 2:43 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Reproducibility and Method Comparison Studies of the Quo-Test™ A1C System and the Quo-Lab A1C Test and CLIA Waiver Study of the Quo-Test™ A1C System

NCT01829061
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
Quotient Diagnostics Limited
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
3
States / cities
Escondido, California • Chaska, Minnesota • Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 29, 2016 · Synced Oct 27, 2026, 2:43 AM 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 Oct 1, 2024 · Synced Oct 27, 2026, 2:43 AM EDT
Completed No phase listed Observational

Repeatability and Reproducibility of Cirrus HD-OCT Macular Retinal Pigment Epithelium Elevation

NCT01890174
View directory record Official record
Conditions
Dry AMD With Macular Drusen
Interventions
Not listed
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
50 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2013 · Synced Oct 27, 2026, 2:43 AM EDT
Terminated No phase listed Observational

Tests of Functional Magnetic Resonance Imaging Techniques

NCT01712633
View directory record Official record
Conditions
Healthly Volunteers
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 110 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Oct 27, 2026, 2:43 AM EDT