Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 26, 2026, 2:49 PM EDT

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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
Recruiting No phase listed Observational Accepts healthy volunteers

Physiological Responses to Heat Stress During High-risk Events

NCT06907225
Conditions
Thermoregulation
Interventions
None-placebo
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Fort Novosel, Alabama • Fort Jackson, South Carolina
Conditions
Communication
Interventions
None. This is an observational study
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
597 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Prostate Cancer (Adenocarcinoma)
Interventions
None- Observational
Other
Lead sponsor
Telix Pharmaceuticals (Innovations) Pty Limited
Industry
Eligibility
21 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
9
States / cities
Fresno, California • Grand Junction, Colorado • Meridian, Idaho + 5 more
Conditions
Fecal Microbiota Transplantation, Clostridium Difficile Infection, Gut Microbiome
Interventions
None - Observational
Other
Lead sponsor
American Gastroenterological Association
Other
Eligibility
Not listed
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
52
States / cities
Phoenix, Arizona • Los Angeles, California • Redwood City, California + 39 more
Completed No phase listed Observational Results available

Transthyretin Amyloidosis Outcome Survey (THAOS)

NCT00628745
Conditions
Transthyretin Gene Mutations, Transthyretin Amyloidosis
Interventions
None. Observational Study.
Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
6,718 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2023
U.S. locations
47
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 28 more
Recruiting No phase listed Observational Accepts healthy volunteers

Tennessee Alzheimer's Project

NCT05372172
Conditions
Aging, Alzheimer Disease, Biomarker, Cognitive Dysfunction, Mild Cognitive Impairment, Dementia, Cognition
Interventions
none, observational study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Immunoglobulin A Nephropathy
Interventions
No intervention, Other treatment, Iptacopan, Atrasentan
Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Rett Syndrome
Interventions
None interventional
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Timeline
2024 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Dysphotopsia, Posterior Capsule Opacification, Visual Acuity, Visual Function, Contrast Sensitivity
Interventions
None-placebo
Other
Lead sponsor
Dr. Daniel H. Chang, MD
Other
Eligibility
22 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bakersfield, California
Conditions
Body Dysmorphic Disorders
Interventions
None, observational study only (no interventions)
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Diabetes Mellitus, Type 2, End Stage Renal Disease, Irritable Bowel Syndrome
Interventions
None (Observational)
Other
Lead sponsor
Indiana University
Other
Eligibility
12 Years to 99 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Advanced Ovarian Cancer
Interventions
None (Observational Study)
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
7
States / cities
Tampa, Florida • Shreveport, Louisiana • Annapolis, Maryland + 4 more
Completed No phase listed Observational Accepts healthy volunteers

Adiponectin and Ethnic Differences in Insulin Resistance

NCT01831102
Conditions
Insulin Resistance, Type 2 Diabetes
Interventions
none- observational study
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Lupus Nephritis
Interventions
None (Observational study)
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
4
States / cities
Baltimore, Maryland • Charlotte, North Carolina • Columbus, Ohio + 1 more
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
Conditions
Drug Resistance, Microbial
Interventions
None - Observational study
Other
Lead sponsor
Maimonides Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Brooklyn, New York
Conditions
Hypertrophic Cardiomyopathy
Interventions
None - this is an observational study
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 65 Years
Enrollment
2,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
17
States / cities
New Haven, Connecticut • Chicago, Illinois • Baltimore, Maryland + 10 more
Conditions
Atrial Fibrillation
Interventions
None/Observational Studies
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
15 Years and older
Enrollment
155 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Active, not recruiting No phase listed Observational

Vanderbilt Memory and Aging Project

NCT05372159
Conditions
Alzheimer Disease, Aging, Aged, 80 and Over, Biomarkers, Brain, Case-Control Studies, Cognitive Dysfunction, Neuropsychological Tests
Interventions
none, observational study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Major Bleeding
Interventions
None (Observational study)
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
2,202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
25
States / cities
Chandler, Arizona • Orange, California • Sacramento, California + 22 more
Conditions
Transthyretin Amyloidosis, Transthyretin Amyloidosis With Cardiomyopathy, Transthyretin Amyloidosis With Polyneuropathy
Interventions
None ( observational study )
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Urinary Tract Infections, Kidney Stone
Interventions
None - observational
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
5
States / cities
Phoenix, Arizona • San Diego, California • Boston, Massachusetts + 2 more
Enrolling by invitation No phase listed Observational

855303-RNA Biomarker Validation

NCT06872775
Conditions
Fractures, Bone
Interventions
Blood draws to assess RNA expression levels
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Sacramento, California • Bloomington, Indiana • Columbia, Missouri + 4 more
Conditions
Diabetes
Interventions
None - observational
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 18 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania