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ClinicalTrials.gov public records Last synced Oct 30, 2026, 5:07 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 433–456 of 882 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Comprehension Clear all
Completed Not applicable Interventional

Understanding and Optimizing Care for Young Adults With Type 1 and Type 2 Diabetes Mellitus Transitioning to Adult Care

NCT05229718
View directory record Official record
Conditions
Type 1 Diabetes, Type 2 Diabetes
Interventions
Diabetes Collaborative Care Model for Young Adults, Usual Care Model
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 30, 2026, 5:07 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Understanding Immunity to the Flu Vaccine in COVID-19 Patients

NCT04579588
View directory record Official record
Conditions
Corona Virus Infection, Flu Vaccine, Immunity
Interventions
Flu shot
Biological
Lead sponsor
Stanford University
Other
Eligibility
9 Years to 64 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 30, 2026, 5:07 PM EDT
Active, not recruiting Not applicable Interventional

Impact of Adolescent Vaccine Reminder Notices Sent Via Preferred Method of Communication on HPV Vaccination

NCT05148559
View directory record Official record
Conditions
Papillomavirus Vaccines
Interventions
Reminder Sent Via Preferred Method of Communication, Reminder Sent Via Mailed Letter
Behavioral
Lead sponsor
Huong Nguyen, PhD
Other
Eligibility
12 Years to 12 Years
Enrollment
5,451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Marshfield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 30, 2026, 5:07 PM EDT
Completed No phase listed Observational

Motivations, Expectations, and Decision-making of Sickle Cell Patients in Clinical Research

NCT03709303
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 1, 2020 · Synced Oct 30, 2026, 5:07 PM EDT
Completed No phase listed Observational

Understanding the Role of the Anesthesiologist

NCT02566642
View directory record Official record
Conditions
Preoperative Anxiety
Interventions
educational material
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 89 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 12, 2016 · Synced Oct 30, 2026, 5:07 PM EDT
Completed No phase listed Observational Results available

Harnessing Digital Health to Understand Clinical Trajectories of Opioid Use Disorder

NCT04535583
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Not listed
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Not applicable Interventional

Understanding Health Care Information for African Americans With High Blood Pressure

NCT01389037
View directory record Official record
Conditions
Hypertension
Interventions
Health Literacy-focused Self-help, Delayed Intervention Control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CCRC: Understanding the Effects of Omega-3 Fatty Acids Versus Lignans in Flaxseed on Metabolic and Inflammatory Markers Leading to Diabetes and Cardiovascular Disease

NCT00935922
View directory record Official record
Conditions
Body Weight, Lipids, Blood Glucose, Insulin
Interventions
Flaxseed
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
40 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2012 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Not applicable Interventional Results available

Understanding and Reducing HIV Risk Behavior and Substance Use Among Self-identified Bisexual Adolescent Men

NCT03409328
View directory record Official record
Conditions
HIV/AIDS, Substance Use, Bisexuality
Interventions
HIV and substance use prevention
Behavioral
Lead sponsor
Rosalind Franklin University of Medicine and Science
Other
Eligibility
14 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
North Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 30, 2026, 5:07 PM EDT
Recruiting Not applicable Interventional

Understanding and Addressing Risks of Low Socioeconomic Status and Diabetes for Heart Failure

NCT06364644
View directory record Official record
Conditions
Type2diabetes, Heart Failure, Obesity
Interventions
Community Champions, Homegrown Heroes
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
30 Years to 70 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Baltimore, Maryland • Hagerstown, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Not applicable Interventional

Understanding and Addressing Patient and Provider Preferences Around Discussions of Cost of Breast Cancer Care

NCT03780491
View directory record Official record
Conditions
Breast Cancer
Interventions
Cost Discussion
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 20, 2020 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Not applicable Interventional

Adaptation of Cognitive Enhancement Therapy for Persons at Clinical High Risk for Psychosis

NCT02459210
View directory record Official record
Conditions
Psychosis
Interventions
CLUES, therapy and computer games
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
16 Years to 25 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Oct 30, 2026, 5:07 PM EDT
Completed No phase listed Observational

Predictors of Caregiver Adaptation to Pervasive Developmental Disorders

NCT00496210
View directory record Official record
Conditions
Autism, Asperger's Syndrome, Rett's Disorder
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 30, 2026, 5:07 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Leveraging Behavioral Economics to Understand and Improve Financial Decision Making Among Vulnerable Older Adults

NCT07682740
View directory record Official record
Conditions
Financial Exploitation of Older Adults
Interventions
Participants receiving informational self-nudges to improve financial decision-making, Control - Participants receiving informational content on healthy eating and physical activity
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
60 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing Postpartum Discharge Instructions

NCT03592628
View directory record Official record
Conditions
Health Literacy, Randomized Controlled Trial, Postpartum, Cesarean Delivery Affecting Newborn
Interventions
Visual Aid, Standard Instructions
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Oct 30, 2026, 5:07 PM EDT
Completed No phase listed Observational Results available

An Observational Study to Understand Challenges Associated With Progression of Insulin Therapy in Type 2 Diabetes

NCT01400971
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Not listed
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
4,299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
22
States / cities
Little Rock, Arkansas • Orlando, Florida • Wellington, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Daily Activity Study of Health: Increasing Physical Activity in Aging

NCT04315363
View directory record Official record
Conditions
Aging
Interventions
Motivational MRI and Behavioral Intervention, Control MRI and Behavioral Intervention
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
60 Years to 95 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Oct 30, 2026, 5:07 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

School-Based Bladder Health Intervention

NCT06273098
View directory record Official record
Conditions
Urinary Dysfunction, Lower Urinary Tract Symptoms, Urinary Tract Infections, Urinary Tract Infections in Children
Interventions
Bladder Health Education
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
5 Years to 10 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2028 – 2033
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 30, 2026, 5:07 PM EDT
Completed No phase listed Observational

Etiology of Eczema Herpeticum (EH)

NCT03038932
View directory record Official record
Conditions
Eczema Herpeticum
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 64 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Phase 1 Interventional

Mobile Phone Text Message Program to Understand Symptoms and Improve Outcomes in Minor Head Injury Patients

NCT01668342
View directory record Official record
Conditions
Head Injury, Minor
Interventions
SMS assessments & feedback
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 30, 2026, 5:07 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Investigation of Efficacy of Improved Acetaminophen Labeling

NCT01592448
View directory record Official record
Conditions
Acetaminophen Overdose, Pain
Interventions
Active Ingredient Icon
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
662 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
4
States / cities
Atlanta, Georgia • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 18, 2014 · Synced Oct 30, 2026, 5:07 PM EDT
Not listed No phase listed Observational

Subcortical Oscillations in Human Sleep Dysregulation

NCT03377569
View directory record Official record
Conditions
Parkinson Disease, REM Behavior Disorder
Interventions
Sleep, PD and DBS
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Oct 30, 2026, 5:07 PM EDT
Completed Phase 4 Interventional Results available

Teva Asthma Predictive Analytics Study

NCT04997304
View directory record Official record
Conditions
Asthma
Interventions
AirDuo Digihaler, ProAir Digihaler
Combination Product
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Oct 30, 2026, 5:07 PM EDT
Enrolling by invitation Not applicable Interventional

Parkinson's Improvement Activated by Hula Understanding (PAHU) - Part 2

NCT07808606
View directory record Official record
Conditions
Parkinson' Disease
Interventions
hula
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 30, 2026, 5:07 PM EDT