Independent directory Public ClinicalTrials.gov records United States
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Showing 313–336 of 635 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Encouraging Blood Donation in Patients With a Blood Type in Short Supply

NCT05135325
Conditions
Health Behavior
Interventions
Patient portal message, Social responsibility
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
59,093 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Emails Promoting Mail-order Pharmacy

NCT04587063
Conditions
Health Care Utilization
Interventions
Fear Appeals, Message about Future Healthcare Costs, Endorsement from a Doctor, Comparison Table, Highlighting Cost Savings and Convenience
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
5,266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
Opioid Use, Chronic Pain
Interventions
Yoga classes
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Conditions
Vaping, Nicotine Dependence
Interventions
Double Blind Varenicline, Double Blind Placebo, QuitVaping, This Is Quitting
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 25 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Celiac Disease
Interventions
Educational Text Message Reminders
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 24 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Palo Alto, California
Completed Not applicable Interventional Accepts healthy volunteers

Drug User Internet and Mobile Tech Use

NCT01871298
Conditions
Drug Abuse Illicit
Interventions
Pilot Website Evaluation Component
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Conditions
Opioid Use, Unspecified
Interventions
EMC2 Strategy, SMS Text Reminders
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers Results available

Patients Engaged in Prevention: Enhancing Outreach to Increase Patient Engagement in Diabetes Prevention

NCT03550066
Conditions
Preventive Health Services, Health Communication
Interventions
Values affirmation, No affirmation
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Oakland, California
Conditions
Cancer, Alcohol Use
Interventions
TRAC: Tracking and Reducing Alcohol Consumption, No intervention
Behavioral · Other
Lead sponsor
Carolyn Lauckner
Other
Eligibility
18 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Kosmos Guidance Performance Evaluation Data Annotation

NCT07771270
Conditions
Heart, Ultrasound, Cardiac Ultrasound, Cardiac Disease
Interventions
Category 1: Corrective Guidance, Category 2: Incorrect Scanning Window, Category 3: Incorrect Probe Orientation, Category 4: Low Confidence Prediction, Auto-Capture Frame-Level Re-Annotation
Device
Lead sponsor
EchoNous Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Redmond, Washington
Completed Not applicable Interventional Accepts healthy volunteers Results available

Patient-Centered Reproductive Decision Support Tool for Women Veterans

NCT04584294
Conditions
Contraception, Contraception Behavior, Prepregnancy Health, Reproductive Health
Interventions
MyPath Web-Based Informational and Decision Support Tool
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 44 Years · Female only
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
12
States / cities
San Diego, California • Aurora, Colorado • Orlando, Florida + 9 more
Conditions
Misinformation, Vaccine Hesitancy, Anxiety, Depression, COVID-19
Interventions
Attitudinal inoculation, Cognitive-behavioral therapy-informed intervention, Conventional public health messaging
Behavioral
Lead sponsor
City University of New York, School of Public Health
Other
Eligibility
18 Years and older
Enrollment
1,419 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
New York, New York
Conditions
Patient Satisfaction
Interventions
SMS
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 90 Years
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Recruiting Not applicable Interventional Accepts healthy volunteers

Eatwell Clinical Trial (R01)

NCT07225881
Conditions
Cancer Prevention, Dietary Guidelines
Interventions
Eatwell, Nutrition Education Control Group
Behavioral · Other
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older
Enrollment
472 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Obesity
Interventions
Financial rewards, Non-Financial rewards
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 69 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Social Skills Training, Mass media, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
14 Years to 17 Years
Enrollment
1,650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
4
States / cities
Atlanta, Georgia • Syracuse, New York • Providence, Rhode Island + 1 more
Completed Not applicable Interventional Accepts healthy volunteers

DHL Survey on Generative AI for MyChart Messaging

NCT06108037
Conditions
Communication
Interventions
Generative AI for electronic communication and disclosure
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
1,454 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Acne
Interventions
More frequent than normal office visits, Electronic reminders (voice, e-mail, text messages), Parenteral involvement / intervention reminders, No intervention or reminders
Other
Lead sponsor
Galderma R&D
Industry
Eligibility
13 Years to 18 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders (5)

NCT05525494
Conditions
Influenza, Respiratory Tract Infections
Interventions
Text Fixed R/R Messages with Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link, Portal Fixed R/R Messages with Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
262,085 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Opioid Use Disorder
Interventions
PRC supported text + AI driven CSDH-enhanced text, AI driven CSDH-enhanced text only, Treatment as Usual (TAU)
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 99 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Investigation of a Patient Support Intervention for Statin Medication Adherence

NCT06972979
Conditions
Medication Adherence
Interventions
Text Message Gamification and Remote Support
Behavioral
Lead sponsor
Ascension Health
Industry
Eligibility
18 Years and older
Enrollment
2,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Prostate Cancer, Survivorship
Interventions
PROMIS-SF v2.0 -Cognitive Function 8a
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
200 participants
Timeline
2022 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Completed Not applicable Interventional Accepts healthy volunteers

Marketing Fall Prevention Classes to Older Adults in Faith-Based Congregations

NCT00542360
Conditions
Accidental Falls
Interventions
Marketing program to motivate exercise class participation
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
60 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Denver, Colorado • Grand Junction, Colorado
Conditions
Overweight and Obesity
Interventions
MM-based MI, healthy education
Behavioral · Other
Lead sponsor
Michigan State University
Other
Eligibility
3 Years to 11 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
East Lansing, Michigan