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ClinicalTrials.gov public records Last synced Oct 20, 2026, 9:04 AM EDT

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Showing 73–96 of 203 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Healthy Controls Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Functional Ovarian Reserve in Sickle Cell Disease

NCT07392216
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
10 Years to 18 Years · Female only
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2034
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 20, 2026, 9:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High-Intensity Exercise in Older Adults

NCT06199661
View directory record Official record
Conditions
Functional Fitness, Cognitive Abilities
Interventions
APEX
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
50 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Oct 20, 2026, 9:04 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Using Heavy Water to Study Cell Dynamics in Parkinson's Disease

NCT00990379
View directory record Official record
Conditions
Parkinson's Disease, HIV Infections
Interventions
Not listed
Lead sponsor
Salena Killion
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 31, 2015 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identify Clinical Conditions That Increase Circulating DNA Levels

NCT01815996
View directory record Official record
Conditions
Pregnancy, Pulmonary Embolism, Myocardial Infarction, Autoimmune Disease
Interventions
One time blood draw to look at patient's DNA
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 21, 2018 · Synced Oct 20, 2026, 9:04 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Phase I Study to Investigate the Effect of Hepatic Impairment of AZD9550 and AZD6234

NCT07546760
View directory record Official record
Conditions
Hepatic Impairment
Interventions
AZD6234, AZD9550
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
4
States / cities
Chandler, Arizona • Rialto, California • Miami Lakes, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 20, 2026, 9:04 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Physical Activity After Endometrial Cancer

NCT00501761
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Personalized Exercise Program, Questionnaire, Suggested Exercise Program
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
45 Years and older · Female only
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 31, 2020 · Synced Oct 20, 2026, 9:04 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

[Impedance Measurement for Non-Erosive Reflux Disease

NCT02997527
View directory record Official record
Conditions
GERD, Healthy
Interventions
Intraluminal Impedance
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Oct 20, 2026, 9:04 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Vagustim™ Transcutaneous Auricular Vagus Nerve Stimulation Devices

NCT07791290
View directory record Official record
Conditions
Healthy Controls Group - Age and Sex-matched
Interventions
Vagustim Individual Device
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 20, 2026, 9:04 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Opioid Use Disorder and Pain

NCT06800703
View directory record Official record
Conditions
Opioid Use Disorder, Healthy Controls Group - Age and Sex-matched
Interventions
follow up interviews for 12 months to determine opioid use
Behavioral
Lead sponsor
Yale University
Other
Eligibility
21 Years to 60 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational

Serotonin Function During Depression

NCT00033787
View directory record Official record
Conditions
Depression, Involutional, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 60 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Functional Relevance of Dopamine Receptors in Healthy Controls and Patients With Schizophrenia: Characterization Through [11C]NNC-112 and [18F]Fallypride Positron Emission Tomography

NCT00942981
View directory record Official record
Conditions
Schizoaffective Disorder, Schizophrenia
Interventions
PET
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 90 Years
Enrollment
283 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 20, 2026, 9:04 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of (TaVNS) on Anxiety and Brain Function in Distressed Health Care Workers

NCT05132881
View directory record Official record
Conditions
Anxiety, Distress, Emotional, Effects of Vibration, Healthy
Interventions
Neuvana 2.0 Transcutaneous Auricular Vagal Nerve Stimulation (TaVNS), Waitlist Control, Healthy Controls: Substudy Group III, Distressed Workers: Subgroup II
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

A High Density EEG Comparison of Sleep Patterns in Insomnia

NCT01960452
View directory record Official record
Conditions
Primary Insomnia
Interventions
Serial awakenings
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pathophysiology of Paget's Disease of Bone

NCT02802384
View directory record Official record
Conditions
Paget's Disease of Bone
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 20, 2026, 9:04 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Prediction of REsponse to Depression Interventions (Accelerated rTMS) Using Clinical and TD-fNIRS Measurements

NCT07294924
View directory record Official record
Conditions
Major Depressive Disorder (MDD), fNIRS
Interventions
fNIRS measurement
Other
Lead sponsor
Kernel
Industry
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Los Angeles, California • Sunnyvale, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cerebrovascular Reserve and White Matter Disease in Patients with Chronic Anemia

NCT03715972
View directory record Official record
Conditions
Thalassemia, Sickle Cell Disease, Healthy Controls
Interventions
Hydroxyurea, Acetazolamide
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
7 Years and older
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Muscle Accrual and Function in Cystic Fibrosis-Impact of Glucose Intolerance

NCT02776098
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
12 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 20, 2026, 9:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Flaxseed Modulates Inflammation and Oxidative Stress in CF

NCT02014181
View directory record Official record
Conditions
Cystic Fibrosis, Oxidative Stress, Inflammation
Interventions
finely ground flaxseed powder
Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 7, 2014 · Synced Oct 20, 2026, 9:04 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Metformin at the Cellular Level and Dosing for Diabetes Mellitus (DM)

NCT01876992
View directory record Official record
Conditions
Diabetes, Pre-diabetes, Obesity
Interventions
Metformin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
10 Years to 79 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 26, 2017 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collection of Alveolar Soft Part Sarcoma and Blood Specimens for Research

NCT00340353
View directory record Official record
Conditions
Alveolar Soft Part Sarcoma, Sarcoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
4 Years and older
Enrollment
99,999 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adult Pilot Study for Reference Ranges and Optimal Cut-offs for the Sucrose Challenge Test and Sucrose Breath Test

NCT05045495
View directory record Official record
Conditions
Congenital Sucrase-Isomaltase Deficiency
Interventions
Sucrose Hydrogen Methane Breath Test
Diagnostic Test
Lead sponsor
QOL Medical, LLC
Industry
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 20, 2026, 9:04 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

HA35 Acute Alcohol Study

NCT05025865
View directory record Official record
Conditions
Healthy Controls
Interventions
Sodium Hyaluronate, Placebo
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational

Genetic Causes of Panic Disorder

NCT00083265
View directory record Official record
Conditions
Panic Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 60 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2018 · Synced Oct 20, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Upright Versus Supine Exercise Testing in Fontan-palliated Patients

NCT00633815
View directory record Official record
Conditions
Fontan Palliation
Interventions
Supine positioning, Upright positioning
Other
Lead sponsor
University of Michigan
Other
Eligibility
8 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 20, 2026, 9:04 AM EDT