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Showing 1–24 of 81 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Middle-aged Adults Clear all
Completed Phase 4 Interventional

Treatment of Obsessive-Compulsive Disorder

NCT00000373
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
olanzapine + fluoxetine, placebo + fluoxetine
Drug
Lead sponsor
University of Florida
Other
Eligibility
14 Years to 70 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2003
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 26, 2013 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Highly Processed Foods and Vascular Health

NCT05628350
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
No UPF controlled diet, High UPF controlled diet
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Western Diet Patterns on Plasma Inflammatory and Cardio Metabolic Health Signatures in Middle-aged Adults

NCT04275843
View directory record Official record
Conditions
Healthy Diet
Interventions
Traditional Diet, Modern Diet
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
35 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Brief App-based Mobile Health and Well-being Intervention Among Middle-aged Adults

NCT04272138
View directory record Official record
Conditions
Meditation, Control Group
Interventions
Calm Meditation, Educational Podcast Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 64 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Results available

A Novel Cognitive Reappraisal Intervention for Suicide Prevention

NCT03026127
View directory record Official record
Conditions
Suicide Prevention
Interventions
Cognitive Reappraisal Intervention for Suicide Prevention, Supportive Therapy
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
50 Years to 90 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
White Plains, New York
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional

Urolithin A Supplementation in Middle-aged Adults With Obesity

NCT05921266
View directory record Official record
Conditions
Obesity, Vascular Dementia, Cognitive Impairment
Interventions
Urolithin A, Placebo
Dietary Supplement · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
40 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional

Speed of Processing Training in Adults With HIV

NCT02758093
View directory record Official record
Conditions
HIV, Cognition - Other, Impaired Driving
Interventions
Speed of Processing Training, Internet Navigational
Behavioral · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 6, 2021 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Regulation Training and Exercise Trial

NCT03124667
View directory record Official record
Conditions
Patient Compliance
Interventions
Games, Videos
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
35 Years to 64 Years
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Jul 23, 2026, 4:15 AM EDT
Recruiting Not applicable Interventional

Building and Sustaining Exercise Habits for Adults With Type 1 Diabetes

NCT06967701
View directory record Official record
Conditions
Type 1 Diabetes (T1D), Latent Autoimmune Diabetes in Adult (LADA), Pancreatitis
Interventions
Exercise program, Self-monitoring
Behavioral
Lead sponsor
Yale University
Other
Eligibility
30 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional

Heat & Aerobic Training (HEAT) Study

NCT02546726
View directory record Official record
Conditions
Pre-hypertension
Interventions
Heat & Aerobic Training (HEAT), Exercise Only
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
45 Years to 64 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Jul 23, 2026, 4:15 AM EDT
Recruiting Not applicable Interventional

Mobile CBT for Middle Aged and Older Adults

NCT05754151
View directory record Official record
Conditions
Anxiety Disorders and Symptoms, Depressive Symptoms, Depression
Interventions
MAYA Mobile Application
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
40 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional

Impact of Saccharin and Acesulfame-Potassium on Glycemia

NCT07506577
View directory record Official record
Conditions
Prediabetes
Interventions
non-sugar sweetener - saccharin, non-sugar sweetener - acesulfame potassium, non-sugar sweetener - control
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
40 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Not yet recruiting No phase listed Observational

Exercise and Mortality in Middle-Aged and Older Adults

NCT07224659
View directory record Official record
Conditions
Overall Survival (All-cause Mortality)
Interventions
Control, Exercise
Behavioral
Lead sponsor
City of Hope Medical Center
Other
Eligibility
55 Years to 74 Years
Enrollment
19,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Nicotinamide Riboside for Treating Elevated Systolic Blood Pressure and Arterial Stiffness in Middle-aged and Older Adults

NCT03821623
View directory record Official record
Conditions
Hypertension, Aging
Interventions
Nicotinamide riboside, Placebo
Drug · Other
Lead sponsor
Douglas Seals
Other
Eligibility
50 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Daily Stress and Vascular Function in Midlife as a Risk Factor for Cognitive Decline

NCT06466655
View directory record Official record
Conditions
Middle-aged Adults, Major Depressive Disorder
Interventions
MitoTempol, Lactated Ringer's (control)
Drug
Lead sponsor
University of Delaware
Other
Eligibility
40 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Aronia Berries on Vascular Endothelial Function and the Gut Microbiota in Middle-Aged/Older Adults

NCT03824041
View directory record Official record
Conditions
Endothelial Dysfunction, Aging
Interventions
Aronia full spectrum - half dose, Aronia full spectrum - full dose, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Jul 23, 2026, 4:15 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Telenutrition Center: Examining the Implementation of Behavioral Therapy for Obesity

NCT03855566
View directory record Official record
Conditions
Obesity
Interventions
Intensive behavioral therapy for obesity
Behavioral
Lead sponsor
University of Southern Mississippi
Other
Eligibility
25 Years to 50 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Hattiesburg, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional

Regular Swimming, Vascular Function, and Arthritis

NCT01836380
View directory record Official record
Conditions
Osteoarthritis
Interventions
Exercise Training
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
40 Years to 90 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Jul 23, 2026, 4:15 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Individualizing Disease Prevention for Middle-Aged Adults

NCT03023813
View directory record Official record
Conditions
Primary Health Care
Interventions
Intervention
Other
Lead sponsor
Glen Taksler
Other
Eligibility
45 Years to 70 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Jul 23, 2026, 4:15 AM EDT
Withdrawn Not applicable Interventional

A Behavioral Intervention for Depression and Chronic Pain in Primary Care (Relief-Hybrid)

NCT04290845
View directory record Official record
Conditions
Chronic Pain, Depression
Interventions
Relief-Hybrid
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
4
States / cities
New York, New York • White Plains, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2023 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional

Role of Exercise in Depression in Middle Aged and Older Adults

NCT01573728
View directory record Official record
Conditions
Depression
Interventions
Low dose exercise, Public Health Exercise
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
46 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 31, 2016 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Results available

Digital Exercise for Middle-Aged Adults With Type 1 Diabetes and Other Absolute Insulin Deficiency Diabetes

NCT06098729
View directory record Official record
Conditions
Type 1 Diabetes, Latent Autoimmune Diabetes in Adults, Pancreatitis
Interventions
Digital Exercise
Behavioral
Lead sponsor
Yale University
Other
Eligibility
30 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Exercise Adherence With App Technology for At-Risk Adults Living in Rural Kansas and Nebraska

NCT07171255
View directory record Official record
Conditions
Sedentary Middle Age and Older Aged Adults
Interventions
RemoteEx+ Programming
Behavioral
Lead sponsor
Creighton University
Other
Eligibility
40 Years to 85 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Emporia, Kansas • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Terminated Not applicable Interventional Results available

Intraoperative Methadone vs Morphine for Postoperative Pain Control in Patients Undergoing Surgery of the Tibia

NCT01430182
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone, Morphine
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Jul 23, 2026, 4:15 AM EDT