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ClinicalTrials.gov public records Last synced Oct 26, 2026, 2:20 PM EDT

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Showing 265–288 of 1,064 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No intervention (observational) Clear all
Completed No phase listed Observational

Salivary Markers in Periodontal Disorders

NCT06576856
View directory record Official record
Conditions
Periodontal Disease, Staging, Salivary Markers, Diagnosis
Interventions
This is an observational study, no intervention is anticipated.
Other
Lead sponsor
Midwestern University
Other
Eligibility
30 Years to 99 Years
Enrollment
106 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 26, 2026, 2:20 PM EDT
Enrolling by invitation Phase 2 Interventional

Senescence in Chronic Kidney Disease

NCT02848131
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Group 2: Dasatinib, Group 2: Quercetin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 26, 2026, 2:20 PM EDT
Withdrawn No phase listed Observational

Collective Accuryn Physiologic Signals and Signatures

NCT03817281
View directory record Official record
Conditions
Critical Illness, Acute Kidney Injury, Sepsis, Septic Shock, Abdominal Compartment Syndrome
Interventions
Accuryn Monitoring System
Device
Lead sponsor
Potrero Medical
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational

Imaging Parameters and DME Treatment Response

NCT02637245
View directory record Official record
Conditions
Diabetic Macular Edema, Diabetic Retinopathy
Interventions
No intervention
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational

International Registry of Coronavirus (COVID-19) Exposure in Pregnancy

NCT04366986
View directory record Official record
Conditions
Covid-19
Interventions
Tested for SARS-CoV-2 (regardless of the result), Clinical diagnosis of COVID-19 by a health care professional
Other
Lead sponsor
Pregistry
Industry
Eligibility
18 Years and older · Female only
Enrollment
17,318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 26, 2026, 2:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Feasibility of Rice Bran Supplementation in Nicaraguan Children

NCT02615886
View directory record Official record
Conditions
Dietary Rice Bran Supplementation
Interventions
Observational Control, Rice bran
Other · Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
4 Months to 13 Months
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 26, 2026, 2:20 PM EDT
Terminated Not applicable Interventional

VITORA: Clinical Study to Evaluate the Effect of KB109 on the Gut Microbiome in Subjects Whose Gastrointestinal Tracts Are Colonized With Multiple Drug-resistant Organisms

NCT03944369
View directory record Official record
Conditions
Vancomycin-Resistant Enterococcus, Extended-Spectrum Beta Lactamase-Producing Enterobacteriaceae, or Carbapenem-Resistant Enterobacteriaceae Colonized Subjects
Interventions
KB109, No intervention
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
8
States / cities
Torrance, California • Atlanta, Georgia • Augusta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 26, 2026, 2:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neurocircuit Mechanisms of OCD Across the Lifespan

NCT02437773
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Cognitive Behavioral Therapy - Adolescents, Stress Management Therapy - Adolescents, Optional CBT - Adolescents, Cognitive Behavioral Therapy - Adults, Stress Management Therapy - Adults, Optional CBT - Adults, fMRI only - Healthy Control Adults, fMRI only - Healthy Control Adolescents
Behavioral · Other
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 45 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 6, 2020 · Synced Oct 26, 2026, 2:20 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Development of a Novel Evaluation Scale of Mental Body Representation (MBR) for Adults With Spinal Cord Injury

NCT07029802
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
No intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 26, 2026, 2:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Theater Experience on Older Adults Living in Retirement Communities

NCT04582370
View directory record Official record
Conditions
Aging
Interventions
theater program
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
62 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 13, 2024 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational

Heart Rate Changes in Subjects With Epilepsy

NCT01202669
View directory record Official record
Conditions
Epilepsy
Interventions
No intervention planned, observational study only.
Other
Lead sponsor
Cyberonics, Inc.
Industry
Eligibility
Not listed
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Gainesville, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Oct 26, 2026, 2:20 PM EDT
Recruiting No phase listed Observational

Phase I Human Analytics (HALO) Study

NCT05423860
View directory record Official record
Conditions
Cardiovascular Diseases, Cancer, Dementia, Traumatic Brain Injury
Interventions
no interventions will be performed (observational)
Other
Lead sponsor
HALO Diagnostics
Industry
Eligibility
45 Years to 90 Years · Male only
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2037
U.S. locations
1
States / cities
Indian Wells, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2022 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational

Airway Epithelium Gene Expression: AEGIS IDE

NCT00746759
View directory record Official record
Conditions
Lung Cancer
Interventions
Biomarker (not used as an intervention)
Device
Lead sponsor
Allegro Diagnostics, Corp.
Industry
Eligibility
21 Years and older
Enrollment
1,331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
21
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sacramento, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Oct 26, 2026, 2:20 PM EDT
Recruiting No phase listed Observational

Pilot Study to Evaluate the Long-term Chronic Care of Patients Who Could or do Utilize an Osseointegrated Device (OID)

NCT04899037
View directory record Official record
Conditions
Hearing Loss, Conductive, Hearing Loss, Mixed, Deafness, Unilateral
Interventions
No intervention
Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational

Antibiotic Administration and Blood Culture Positivity in Severe Sepsis and Septic Shock

NCT01867905
View directory record Official record
Conditions
Severe Sepsis, Septic Shock, Bacteremia
Interventions
Not listed
Lead sponsor
University of British Columbia
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 26, 2026, 2:20 PM EDT
Not listed Not applicable Interventional

Optical Coherence Tomography of the Saphenous Vein Graft

NCT05129228
View directory record Official record
Conditions
Coronary Bypass Graft Stenosis
Interventions
OCT-guided saphenous vein CABG
Device
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
18 Years and older
Enrollment
760 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

An Observational Study to Learn More About How Menopause Affects Women's Sleep and How They Are Being Treated for Sleep Problems

NCT06728332
View directory record Official record
Conditions
Sleep Disturbances Associated With Menopause
Interventions
No study intervention
Other
Lead sponsor
Bayer
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 26, 2026, 2:20 PM EDT
Terminated Not applicable Interventional

Flaxseed in Preventing Breast Cancer in Premenopausal Women at Risk of Developing Breast Cancer

NCT00794989
View directory record Official record
Conditions
Breast Cancer, Precancerous Condition
Interventions
Ground Flaxseed, No Intervention
Dietary Supplement · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 50 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Chicago, Illinois • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2016 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational

The Natural History of Asymptomatic Rotator Cuff Tears

NCT00923858
View directory record Official record
Conditions
Rotator Cuff Tear
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Oct 26, 2026, 2:20 PM EDT
Completed Phase 1 Interventional

Transfer of Infection Fighting Immune Cells Generated in the Laboratory to High Risk Patients With COVID-19 Infection

NCT04765449
View directory record Official record
Conditions
Covid19
Interventions
Cytotoxic T Lymphocytes
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 26, 2026, 2:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Physiological Study of Human Cholesterol Metabolism and Excretion

NCT01603758
View directory record Official record
Conditions
Coronary Heart Disease, Cardiovascular Disease, Dyslipidemia, Disorder of Cholesterol Metabolism
Interventions
Ezetimibe
Drug
Lead sponsor
Richard E. Ostlund Jr., MD
Other
Eligibility
18 Years to 80 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 6, 2016 · Synced Oct 26, 2026, 2:20 PM EDT
Completed Phase 1 Interventional

Behavior-Based Dietary Intervention in Treating Patients With Hormone-Refractory Prostate Cancer

NCT00082732
View directory record Official record
Conditions
Prostate Cancer
Interventions
behavioral dietary intervention, dietary intervention, therapeutic dietary intervention
Behavioral · Dietary Supplement · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Oct 26, 2026, 2:20 PM EDT
Completed No phase listed Observational

Optical Spectroscopy for Cutaneous Cancer

NCT02522793
View directory record Official record
Conditions
Suspicious Skin Lesion(s) Requiring a Biopsy
Interventions
No intervention; this is an observational study
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 26, 2026, 2:20 PM EDT
Not listed Not applicable Interventional

Monitored Controlled Intermittent Alternate Occlusion (CIAO) Therapy for Intermittent Exotropia

NCT02902887
View directory record Official record
Conditions
Intermittent Exotropia
Interventions
Controlled Intermittent Alternate Occlusion (CIAO ) glasses
Device
Lead sponsor
Salus University
Other
Eligibility
3 Years to 11 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Elkins Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 26, 2026, 2:20 PM EDT