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Showing 1–24 of 509 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Older Adults Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Adolescents/Adults

NCT00715910
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Nimenrix, Blood sampling
Biological · Procedure
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 30 Years
Enrollment
818 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
10
States / cities
Daly City, California • Fairfield, California • Redwood City, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2014 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Aerobic & Cognitive Exercise Study

NCT02237560
View directory record Official record
Conditions
Mild Cognitive Impairment, Healthy
Interventions
Cybercycle-Game, Cybercyle-Tour, Game Only
Behavioral
Lead sponsor
Union College, New York
Other
Eligibility
50 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
12
States / cities
Albany, New York • East Greenbush, New York • Guilderland, New York + 5 more
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of Cortisol Resistance in Young Sedentary and Endurance-Trained Men

NCT01294319
View directory record Official record
Conditions
Cortisol Resistance, Negative Feedback, ACTH, Mineralcorticoid, Glucocorticoid
Interventions
Mifepristone, Placebo, Spironolactone, Combined, Dexamethasone
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 80 Years · Male only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 14, 2024 · Synced Sep 25, 2026, 1:29 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

CanCan Body Composition Study

NCT07305753
View directory record Official record
Conditions
Healthy Participants, Young Healthy Adults, Elderly (People Aged 65 or More)
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Evaluating Safety of 13-Valent Pneumococcal Conjugate Vaccine in Healthy Elderly Subjects

NCT00500266
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
13-valent Pneumococcal Conjugate Vaccine (13vPnC)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
68 Years and older
Enrollment
1,053 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
40
States / cities
Chandler, Arizona • Glendale, Arizona • Phoenix, Arizona + 33 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2011 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biological Effects of Dehydroepiandrosterone (DHEA) in the Elderly

NCT00111930
View directory record Official record
Conditions
Healthy
Interventions
DHEA
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
60 Years and older
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Placebo- Controlled Study to Evaluate the Safety and Immunogenicity of the RSV-F Vaccine in Elderly Adults

NCT02266628
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
RSV-F Vaccine, Saline Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
1,599 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
10
States / cities
Redding, California • Stockbridge, Georgia • Lenexa, Kansas + 7 more
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HealthyWE: Achieving a Healthy Weight and Reducing Pain

NCT07095673
View directory record Official record
Conditions
Obesity &Amp; Overweight
Interventions
HealthyWE
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
19 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study on the Safety and Immunogenicity of Hexavalent Influenza mRNA Vaccine in Adult Participants 50 Years of Age and Older

NCT06744205
View directory record Official record
Conditions
Influenza, Healthy Volunteers
Interventions
Trivalent (TIV) messenger ribonucleic acid (mRNA) hemagglutinin (HA) Vaccine 1, TIV mRNA-neuraminidase (NA), TIV mRNA-HA Vaccine 2, Quadrivalent Influenza Standard Dose Vaccine, Quadrivalent Influenza Vaccine High Dose
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
50 Years and older
Enrollment
1,162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
21
States / cities
Birmingham, Alabama • Mobile, Alabama • Tempe, Arizona + 18 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Single Ascending Dose Study in Adults (Stage 1) and Single Ascending Dose-Finding Study (Stage 2) in Elderly Subjects With ASP3772, A Pneumococcal Vaccine

NCT03803202
View directory record Official record
Conditions
Pneumonia, Bacterial, Healthy Volunteers, Pneumococcal Disease
Interventions
ASP3772, PCV13, PPSV23
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
26
States / cities
Banning, California • San Diego, California • San Marcos, California + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity of a Clostridium Difficile Toxoid Vaccine in Healthy Elderly Volunteers

NCT00214461
View directory record Official record
Conditions
Clostridium Infections
Interventions
Vaccine diluent buffer (Placebo), C. difficile toxoid vaccine (2 µg), C. difficile toxoid vaccine (10 µg), C. difficile toxoid vaccine (50 µg)
Biological
Lead sponsor
Sanofi
Industry
Eligibility
65 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
2
States / cities
Orlando, Florida • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 10, 2012 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in Healthy Adults in the USA

NCT00958126
View directory record Official record
Conditions
Influenza
Interventions
CSL425, Placebo
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older
Enrollment
1,313 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
11
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study of Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed in Healthy Subjects

NCT02587520
View directory record Official record
Conditions
Tetanus, Diphtheria, Pertussis, Whooping Cough
Interventions
Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed Formulation 1, Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 2, Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 3, Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 4, Licensed Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Licensed Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
10 Years and older
Enrollment
1,363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
20
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 16 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2022 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Fatty Acids and Muscle Protein Synthesis

NCT00794079
View directory record Official record
Conditions
Healthy
Interventions
omega-3 fatty acids, corn oil
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 85 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Long-term Effects of Blueberry Supplementation on Brain Health in Older Adults

NCT05764824
View directory record Official record
Conditions
Cognitive Decline, Nutrition, Healthy, Brain Injuries
Interventions
Blueberry powder, Controlled and matched powder
Dietary Supplement · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years to 99 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Universal Anti-Viral Vaccine for Healthy Elderly Adults

NCT04441047
View directory record Official record
Conditions
Virus Diseases, Pneumonia, COVID-19 Respiratory Infection, RSV Pneumonia, Influenza, Human, ARDS, Human
Interventions
AlloStim
Drug
Lead sponsor
Mirror Biologics, Inc.
Industry
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
4
States / cities
Delray Beach, Florida • Miami, Florida • Tampa, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety, Tolerability and Pharmacokinetics of Single Ascending Oral Doses of J147

NCT03838185
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
J147, Placebo
Drug
Lead sponsor
Abrexa Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Sep 25, 2026, 1:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Effects of Incremental Diesel Exhaust Inhalation in Middle-Aged Healthy GSTM1 Null Human Volunteers

NCT01548625
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
50 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Sep 25, 2026, 1:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cerebrospinal Fluid (CSF) Biomarkers Alzheimer's Disease (AD) and Non-AD Dementias

NCT01730430
View directory record Official record
Conditions
Alzheimer's Disease, Dementias
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
55 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 21, 2014 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Active Seating System to Lessen Sedentariness in Older Adults: In-home Testing Phase

NCT05510297
View directory record Official record
Conditions
Healthy Lifestyle
Interventions
FitSitt Prototype
Device
Lead sponsor
University of Southern California
Other
Eligibility
65 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Inactivated Influenza A/H5N1 Vaccine in the Elderly

NCT00230750
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H5N1 Vaccine, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years and older
Enrollment
261 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
4
States / cities
Torrance, California • Rochester, New York • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2013 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single and Multiple Ascending Dosing Administration of MF-300 in Healthy Participants

NCT07613684
View directory record Official record
Conditions
Healthy Volunteers
Interventions
MF-300 SAD, Placebo, MF-300 Food Effect, MF-300 MAD
Drug
Lead sponsor
Epirium Bio Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Marlton, New Jersey • Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 25, 2026, 1:29 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Aspirin in Reducing Events in the Elderly-Extension (ASPREE-XT)

NCT07224347
View directory record Official record
Conditions
Functional Disability, Dementia, Heart Disease, Stroke, Cancer, Bleeding, Depression, Frailty
Interventions
Not listed
Lead sponsor
Anne Murray
Other
Eligibility
65 Years and older
Enrollment
19,114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
22
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Atlanta, Georgia + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Sep 25, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Whole Foods Supplementation on Cognition

NCT01672359
View directory record Official record
Conditions
Sub-optimal Cognitive Function, Sub-optimal Immune Function
Interventions
Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
60 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Sep 25, 2026, 1:29 AM EDT