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ClinicalTrials.gov public records Last synced Oct 14, 2026, 12:21 PM EDT

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Showing 193–216 of 510 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Healthy Older Adults Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults

NCT02876315
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Redoxon VI, placebo
Dietary Supplement
Lead sponsor
Oregon State University
Other
Eligibility
55 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Dawn Simulation and Postural Hypotension

NCT02632318
View directory record Official record
Conditions
Orthostatic Hypotension
Interventions
Light
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
55 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2019 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Encouraging Cognitive Screenings at African American Churches

NCT05037578
View directory record Official record
Conditions
Dementia, Healthy
Interventions
Project Grace
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
55 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 26, 2023 · Synced Oct 14, 2026, 12:21 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Investigating the Persisting Effects of a Single Dose of Psilocybin on Structural Plasticity in Healthy Older Adults

NCT06367738
View directory record Official record
Conditions
Aging
Interventions
Psilocybin
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
60 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Oct 14, 2026, 12:21 PM EDT
Completed No phase listed Observational

Muscle Mass and Nutritional Risk in Older Adults

NCT03566758
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
60 Years to 100 Years
Enrollment
136 participants
Timeline
2018 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Oct 14, 2026, 12:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Normal Donor Sample Collection Study in Healthy Adults

NCT01318863
View directory record Official record
Conditions
Healthy Normal Volunteers
Interventions
Not listed
Lead sponsor
Astute Medical, Inc.
Industry
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
6
States / cities
Santa Ana, California • Las Vegas, Nevada • Rochester, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2011 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of GSK Biologicals' Meningococcal Vaccine GSK 134612 Versus Menactra® in Healthy Adolescents/Adults

NCT01165242
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal vaccine GSK 134612, Menactra®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 25 Years
Enrollment
1,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
24
States / cities
Chandler, Arizona • Paramount, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Oct 14, 2026, 12:21 PM EDT
Completed No phase listed Observational

Wellderly Immune Antibodies Study, a Sub-Study of Healthy Elderly Active Longevity (HEAL) Cohort

NCT01816880
View directory record Official record
Conditions
Antibodies Involved in Healthy Aging
Interventions
Not listed
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
90 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2015 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Sanofi H1N1 + TIV - Adults and Elderly

NCT00943878
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine, Inactivated H1N1 Vaccine, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
805 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
5
States / cities
Decatur, Georgia • St Louis, Missouri • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity Study of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Older Adults

NCT05297578
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
24-Valent Pneumococcal Conjugate Vaccine, Pneumococcal 20-valent Conjugate Vaccine
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
65 Years and older
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
20
States / cities
Birmingham, Alabama • DeLand, Florida • Hollywood, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 14, 2026, 12:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Normative Database and Test-Retest Reliability for BrainCheck Assessments

NCT05497427
View directory record Official record
Conditions
Cognitive Change, Cognitive Decline, Cognitive Deterioration, Neurocognitive Deficit
Interventions
BrainCheck Assessment
Device
Lead sponsor
BrainCheck, Inc.
Other
Eligibility
50 Years and older
Enrollment
1,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
5
States / cities
Palo Alto, California • Multiple Locations, Connecticut • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study To Investigate Two 3-dose Schedules Of A Clostridium Difficile Vaccine In Healthy Adults Aged 65 to 85 Years

NCT02561195
View directory record Official record
Conditions
Clostridium Difficile Associated Disease
Interventions
Clostridium difficile Vaccine, Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
65 Years to 85 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
17
States / cities
DeLand, Florida • Hollywood, Florida • South Miami, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase1a, Dose-escalation Study of NNI-362 in Healthy Aged Volunteers

NCT04074837
View directory record Official record
Conditions
Alzheimer Disease
Interventions
NNI-362, Placebo
Drug
Lead sponsor
Neuronascent, Inc.
Industry
Eligibility
50 Years to 72 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1010 Seasonal Influenza Vaccine in Healthy Adults

NCT04956575
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1010, Placebo, Active Comparator
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
885 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
21
States / cities
Phoenix, Arizona • Tempe, Arizona • Colton, California + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quantifying the Trainability of Peripheral Nerve Function in Young and Older Adults.

NCT06614556
View directory record Official record
Conditions
Nerve Degeneration, Healthy Aging
Interventions
Resistance Training
Other
Lead sponsor
Oklahoma State University
Other
Eligibility
18 Years to 100 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety, Tolerability, Pharmacokinetics of E2027 in Healthy Adult and Elderly Subjects, and the Pharmacodynamics in Healthy Adult Subjects

NCT02415790
View directory record Official record
Conditions
Healthy Participants
Interventions
E2027, E2027 matching placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Mar 8, 2017 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

CSL H1N1 Influenza Vaccine Administered at Two Dose Levels in Adult and Elderly Populations

NCT00943488
View directory record Official record
Conditions
Influenza
Interventions
Inactivated H1N1 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
4
States / cities
Iowa City, Iowa • Cincinnati, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 31, 2012 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Postprandial Inflammation and Nuts (PIN) in Older Adults

NCT06348771
View directory record Official record
Conditions
Healthy Aging, Overweight and Obesity
Interventions
monounsaturated fatty acids (MUFA) peanut meal
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
55 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 14, 2026, 12:21 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study of ORX142 in Healthy Adult Subjects, Including Subjects 18 to 80 Years of Age

NCT07082829
View directory record Official record
Conditions
Excessive Daytime Sleepiness
Interventions
ORX142 Tablets, Placebo Tablets
Drug · Other
Lead sponsor
Centessa Pharmaceuticals (UK) Limited
Industry
Eligibility
18 Years to 80 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Lincoln, Nebraska • Eatontown, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of a 3-dose Vaccination Regimen With One of Three Ascending Dose Levels of Clostridium Difficile Vaccine With or Without Adjuvant in Healthy Adults Aged 50 to 85 Years

NCT01706367
View directory record Official record
Conditions
Clostridium Difficile Associated Disease
Interventions
C. difficile vaccine, C. difficile vaccine +adjuvant
Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 85 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Pembroke Pines, Florida • South Miami, Florida • Overland Park, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2014 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Group Acceptance and Commitment Training (ACT) With Healthy Older Adults

NCT03839329
View directory record Official record
Conditions
Aging, Quality of Life
Interventions
Acceptance and Commitment Training
Behavioral
Lead sponsor
Anne Roche, MA
Other
Eligibility
65 Years to 99 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 14, 2026, 12:21 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety and Immunogenicity of a Chikungunya Virus Vaccine Candidate (VLA1553) in Healthy Volunteers

NCT03382964
View directory record Official record
Conditions
Chikungunya
Interventions
VLA1553
Biological
Lead sponsor
Valneva Austria GmbH
Industry
Eligibility
18 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Huntsville, Alabama • Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 29, 2019 · Synced Oct 14, 2026, 12:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Stimulus Rate on Cognitive and Motor Activity in Young Subjects, Elderly Subjects, and Patients With Parkinson's Disease

NCT00026598
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 14, 2026, 12:21 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Cardiovascular Effects of EVOO in Healthy Reproductive-aged Women

NCT03820336
View directory record Official record
Conditions
Hypertension, Vascular Stiffness
Interventions
Extra Virgin Olive Oil, Control Oil
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Oct 14, 2026, 12:21 PM EDT