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ClinicalTrials.gov public records Last synced Oct 29, 2026, 6:54 AM EDT

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Showing 313–336 of 882 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Comprehension Clear all
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Understanding Needs of Older Patients Prior to Starting Cancer Treatment

NCT07225920
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Survey Administration, Interview, Educational Intervention, Assessment, Internet-Based Intervention, Electronic Health Record Review
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
39
States / cities
Tuscaloosa, Alabama • Fort Smith, Arkansas • Jonesboro, Arkansas + 30 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 29, 2026, 6:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Longer-Acting PrEP in Transgender and Gender Diverse Texans

NCT05044286
View directory record Official record
Conditions
HIV-1-infection
Interventions
no intervention
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 100 Years
Enrollment
565 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 28, 2023 · Synced Oct 29, 2026, 6:54 AM EDT
Completed No phase listed Observational

Understanding Daily Changes in BDD Risk Using Smartphones

NCT04254575
View directory record Official record
Conditions
Body Dysmorphic Disorders
Interventions
None, observational study only (no interventions)
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 29, 2026, 6:54 AM EDT
Completed No phase listed Observational

Mirror Grant - Toward an Understanding of Body Image Adaptation Following Surgical Treatment for Head and Neck Cancer

NCT01432132
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Interview, Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 4, 2017 · Synced Oct 29, 2026, 6:54 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

guideSEQ: Genomic Understanding, Impact, Decision & Ethics in Prenatal Sequencing

NCT07610590
View directory record Official record
Conditions
Prenatal Genetic Diagnosis
Interventions
Genome Sequencing (GS)
Genetic
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
1,042 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Self-regulation Targets to Improve Mood and Weight and Understand Mechanism in Depressed and Obese Adults

NCT03841682
View directory record Official record
Conditions
Obesity, Depression
Interventions
I-CARE2
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 21, 2021 · Synced Oct 29, 2026, 6:54 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Understanding Dopamine Mechanisms in Cocaine Addiction Using AMPT and Methylphenidate With [11C]RAC/[11C]PHNO PET

NCT02152670
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Methylphenidate, Alpha Methyl Para Tyrosine (AMPT), [11C]PHNO, [11C]raclopride
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 16, 2023 · Synced Oct 29, 2026, 6:54 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Web-Based Program (Kindred) to Improve the Understanding of Genetic Cancer Risk and Cancer Genetic Testing in African American Families

NCT07542405
View directory record Official record
Conditions
BRCA1-Related Hereditary Breast and Ovarian Cancer Syndrome, BRCA2-Related Hereditary Breast and Ovarian Cancer Syndrome, Hereditary Neoplastic Syndrome, Lynch Syndrome
Interventions
Discussion, Internet-Based Intervention, Survey Administration, Telephone-Based Intervention
Other · Behavioral
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 29, 2026, 6:54 AM EDT
Recruiting Phase 1 Interventional

Understanding Ketamine's Dissociative Effects (KD Study)

NCT04861051
View directory record Official record
Conditions
Epilepsy
Interventions
Ketamine
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 29, 2026, 6:54 AM 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 29, 2026, 6:54 AM EDT
Completed Not applicable Interventional Results available

Understanding the Sleep Apnea/Insomnia Interaction

NCT01824472
View directory record Official record
Conditions
Sleep Apnea Syndromes, Sleep Initiation and Maintenance Disorders
Interventions
CPAP, CBT, sham CPAP, CC
Device · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced Oct 29, 2026, 6:54 AM EDT
Recruiting Not applicable Interventional

Melatonin Adolescent Research Study

NCT04588233
View directory record Official record
Conditions
Sleep Disorders in Children
Interventions
Melatonin, Placebo
Dietary Supplement · Other
Lead sponsor
Loma Linda University
Other
Eligibility
13 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Not applicable Interventional Results available

Patient and Provider Glucose Reporting Preferences Ambulatory Glucose Profile (AGP)

NCT02074384
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Continuous Glucose Monitor, Self Monitoring Blood Glucose, Clinician
Device · Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
7 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
New Haven, Connecticut • Tallahassee, Florida • Detroit, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2016 · Synced Oct 29, 2026, 6:54 AM EDT
Not yet recruiting No phase listed Observational

Outcomes for IR and High Risk (HR) Non-muscle Invasive Bladder Cancer (NMIBC) and ctDNA-based Biomarkers for Response and Recurrence in Muscle Invasive Bladder Cancer (MIBC)

NCT07893509
View directory record Official record
Conditions
NMIBC, MIBC, Muscle Invasive Bladder Cancer (MIBC), Non Muscle Invasive Bladder Cancer
Interventions
This is a non-interventional, observational, prospective study.
Other
Lead sponsor
Bladder Cancer Advocacy Network
Other
Eligibility
18 Years and older
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 29, 2026, 6:54 AM EDT
Completed No phase listed Observational Results available

Understanding the Impact of Neighborhood Type on Physical Activity in Older Adults

NCT00094211
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
65 Years and older
Enrollment
896 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
2
States / cities
San Diego, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Oct 29, 2026, 6:54 AM EDT
Completed No phase listed Observational Results available

Anxiety, Inflammation, Stress, and Cannabinoids

NCT03491384
View directory record Official record
Conditions
Anxiety, Anxiety Disorders, Anxiety Generalized, Anxiety Chronic, Inflammation, Inflammatory Response
Interventions
Cannabis (smoked flower, ingested edible)
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 70 Years
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Not applicable Interventional Results available

Research Aimed at Improving Both Mood and Weight

NCT02246413
View directory record Official record
Conditions
Depression, Obesity
Interventions
RAINBOW Intervention Program
Behavioral
Lead sponsor
Palo Alto Medical Foundation
Other
Eligibility
18 Years and older
Enrollment
409 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2024 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Not applicable Interventional

Patient Understanding of End of Life Care

NCT01683097
View directory record Official record
Conditions
Advance Directives, Resuscitation Orders
Interventions
Standardized explanation
Other
Lead sponsor
Partners in Internal Medicine
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2012 · Synced Oct 29, 2026, 6:54 AM EDT
Recruiting No phase listed Observational

Gastroparesis Registry 4

NCT05846802
View directory record Official record
Conditions
Gastroparesis, Gastroparesis Nondiabetic, Gastroparesis Due to Diabetes Mellitus Type I, Gastroparesis Due to Diabetes Mellitus Type II, Functional Disorder of Gastrointestinal Tract, Gastro-Intestinal Disorder
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Scottsdale, Arizona • Louisville, Kentucky • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Understanding the Role of Gut Microbiota in Hyperphagia in Prader-Willi Syndrome

NCT05541003
View directory record Official record
Conditions
Prader-Willi Syndrome, Obesity
Interventions
NBT-NM108
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 35 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Understanding Genetic Risk for Alcohol Use Disorder

NCT05143073
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Alcohol use disorder and strategies to reduce risk educational material, Complex polygenic risk scores, alcohol use disorder, and strategies to reduce risk educational material
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
338 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Impact of Alternative Nicotine-Delivery Products on Combustible Cigarette Use

NCT04084210
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Juul Electronic cigarette, Very Low Nicotine Cigarettes, Active Nicotine Patch, Placebo Patch
Device · Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Oct 29, 2026, 6:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Understanding Disparities in Healthcare and Primary Care Provider Quality

NCT02626910
View directory record Official record
Conditions
Physical Disability
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 15, 2017 · Synced Oct 29, 2026, 6:54 AM EDT
Completed Not applicable Interventional

Text4Vax: Text Message Reminders for Pediatric COVID-19 and Influenza Vaccines 2024-25 Season

NCT06603090
View directory record Official record
Conditions
Influenza, COVID-19, Vaccination Hesitancy
Interventions
Text message influenza vaccine reminders, Text message COVID-19 vaccine reminders, Text message influenza and COVID-19 vaccine reminders
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 17 Years
Enrollment
66,147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
Itasca, Illinois • New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2025 · Synced Oct 29, 2026, 6:54 AM EDT