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ClinicalTrials.gov public records Last synced May 22, 2026, 3:42 AM EDT

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

Showing 1–24 of 403 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Knowledge Clear all
Recruiting No phase listed Observational
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Attitudes, Knowledge
Interventions
Healthy Relationship Education, Job Readiness Curriculum
Behavioral
Lead sponsor
Mathematica Policy Research, Inc.
Other
Eligibility
11 Years to 16 Years
Enrollment
1,180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Conyers, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2022 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Math Knowledge
Interventions
Heroes of Knowledge, Attention/Time Control Game
Behavioral
Lead sponsor
Yale University
Other
Eligibility
5 Years to 8 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Postpartum Care
Interventions
Educational video on postpartum care
Other
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Hypertension
Interventions
Peer Led, Seminar
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 23, 2015 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Intention, Health Knowledge, Attitudes, Practice
Interventions
loss-frame, gain-frame, text-only, icon, attribution, no attribution, No label
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
2,971 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Pain, Postoperative, Medication Adherence, Opioid Use, Knowledge, Attitudes, Practice, Risk Reduction Behavior
Interventions
Educational Intervention, Nudge
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 99 Years
Enrollment
712 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Knowledge, Attitudes, Practice
Interventions
Animated Video
Behavioral
Lead sponsor
Michigan Technological University
Other
Eligibility
18 Years and older
Enrollment
479 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Houghton, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced May 22, 2026, 3:42 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pharmacogenomic Testing
Interventions
Educational video
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sports Nutrition
Interventions
Survey of sports nutrition knowledge
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
14 Years to 19 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bradenton, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2023 · Synced May 22, 2026, 3:42 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
HPV
Interventions
Gardasil
Other
Lead sponsor
Sarah Hostetter, MD
Other
Eligibility
18 Years to 26 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Health Knowledge, Attitudes, Practice
Interventions
MasterMed, Usual Care
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced May 22, 2026, 3:42 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Biospecimen Collection, Magnetic Resonance Imaging, Photon Beam Radiation Therapy, Positron Emission Tomography, Questionnaire Administration, Radiation Therapy Treatment Planning and Simulation
Procedure · Radiation · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced May 22, 2026, 3:42 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Sexually Transmitted Infections
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
1,216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2014 · Synced May 22, 2026, 3:42 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Anxiety, Depression, Health Knowledge, Attitudes, Practice, Stigmatization, Mobile Phone Use
Interventions
Video Intervention 1, Video Intervention 2, Video Intervention 3
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Syphilis
Interventions
'educational video'
Other
Lead sponsor
Jacobi Medical Center
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2007 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sickle Cell Trait
Interventions
Education
Other
Lead sponsor
Susan Creary
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced May 22, 2026, 3:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Wisconsin Alzheimer's Disease Research Center, Wisconsin Registry for Alzheimer's Prevention
Interventions
TalkTracker
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
40 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced May 22, 2026, 3:42 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Childhood Obesity, Obesity, Physical Activity, Health Knowledge, Attitudes, Practice, Health Behavior
Interventions
Intervention
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
9 Years to 14 Years
Enrollment
720 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced May 22, 2026, 3:42 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Childhood Cancer
Interventions
interview, clinic visit and interview, interviews and clinic visit
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Up to 21 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Vaccine-Preventable Diseases, COVID-19 Pandemic, Health-Related Behavior, Health Knowledge, Attitudes, Practice, Narration
Interventions
Baseline surveys, Digital Storytelling Intervention, Information Control Intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Failure
Interventions
Cell Phone
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2016 · Synced May 22, 2026, 3:42 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pressure Injuries, Pressure Ulcer Prevention
Interventions
A gamified mobile learning, Booklet training
Device · Other
Lead sponsor
Mehmet Akif Ersoy University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced May 22, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Infectious Disease, Pneumonia, Bacterial, Influenza, Zoster; Herpes
Interventions
Pharmacist-led Intervention (PHARM), Peer-led Intervention (PEER)
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
50 Years and older
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced May 22, 2026, 3:42 AM EDT