Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 12:19 AM EDT

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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders (RCT 6)

NCT06062264
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal-based Video Message, Portal-based Infographic Message
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
22,233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal Reminders for Influenza Vaccination: Direct scheduling link, Portal Reminders for Influenza Vaccination: No direct scheduling link, Pre-Commitment Prompt, Pre-Appointment flu vaccine reminders
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Months and older
Enrollment
213,773 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Recruiting Not applicable Interventional

The REACH-OUT Trial

NCT07540143
Conditions
Hypertension, Reproductive Behavior, Primary Health Care, Electronic Health Record
Interventions
Health literacy-informed patient education materials, BP monitor, brief orientation, and portal tools, The MeDS assessment, Patient navigator support
Other · Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
AliveCor, Behavioral Altering Messaging
Device · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

A Patient Portal Tool, E-assist, for Supporting CRC Screening

NCT02798224
Conditions
Colorectal Cancer
Interventions
e-assist: Colon Health, Healthwise Educational Program
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
50 Years to 75 Years
Enrollment
1,826 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional

PositiveLinks: mHealth for DC Cohort

NCT04998019
Conditions
HIV/AIDS
Interventions
PositiveLinks
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
16 Years and older
Enrollment
682 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
13
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional

The DETECT HCV Linkage to Care Trial

NCT04026867
Conditions
Hepatitis C
Interventions
Linkage Navigation, Clinician Referral
Other
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Lung Cancer
Interventions
Portal Message with Reminder Text Messages, Text Message with Reminder Text Messages, Portal message only, Usual Care
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 77 Years
Enrollment
27,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Patient Participation
Interventions
Traditional Letter, Direct to Patient Message, Chatbot, Banner
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
726,199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers Results available

Optimizing an mHealth Intervention to Change Food Purchasing Behaviors for Cancer Prevention

NCT04947150
Conditions
Cancer
Interventions
Location-triggered notification, Reflections on benefits of change, Coach monitoring, Household support
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 70 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Health Behavior
Interventions
Emails and letter intervention, Control group
Behavioral
Lead sponsor
Office of Evaluation Sciences
Federal
Eligibility
Not listed
Enrollment
44,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Sacramento, California
Conditions
Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Risk reduction, Medical records-based recommendation, Algorithm-based recommendation
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
17 Years and older
Enrollment
117,649 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal Reminders for Second Dose of Influenza Vaccine with Direct Scheduling Link, Portal Reminders for Second Dose of Influenza Vaccine without Direct Scheduling Link
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months to 36 Months
Enrollment
698 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Opioid Use Disorder
Interventions
PRC supported text + AI driven SDH-enhanced text, AI driven SDH-enhanced text only, Treatment as Usual (TAU)
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 99 Years
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Adherence
Interventions
EHR + (Text or Portal)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
677 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Risk Reduction
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
40,671 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
Sudden Infant Death, Sudden Unexplained Infant Death
Interventions
ISA-MI, Standard of Care (SOC)
Behavioral · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
3 Days to 75 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Influenza Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Letter, Patient portal, SMS
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
43,225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

PREVENT HPV -Related Cancers Trial

NCT07217145
Conditions
HPV Vaccination, Uptake Vaccination, Series Completion
Interventions
PREVENT
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
1,455 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Colorectal Cancer
Interventions
No Direct Patient Outreach, Direct Patient Outreach: Colonoscopy Only, Direct Patient Outreach: Sequential Choice, Visit-Based Nudge/Text, No Nudge/Text
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
50 Years to 72 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Influenza, Infections, Pneumococcal
Interventions
Arm 1: E-portal message with IVR call, Arm 2: E-portal message with no IVR call, Arm 3: No e-portal message with IVR call, Arm 5: IVR call
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
30,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Hypertension
Interventions
Lifestyle Medicine Virtual group, Usual Care Group
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Preterm Birth Complication, Preterm Birth, Preterm Birth Recurrence, Preeclampsia, Preeclampsia (PE), Hypertensive Disorders of Pregnancy, Support Program, Stress, Resilience, Psychological, Empowerment, Patient, Emotional Stress, Pregnancy, Pregnancy Complications, Pregnancy Induced Hypertension, Neonates and Preterm Infants, Cervical Insufficiency, Social Determinants of Health (SDOH), Cervical Shortening, Disparities in Pregnancy Complications, Disparities, Prenatal Care, Care Coordination
Interventions
Care coordination, Electronic massage, support gift #1, Support gift #2, Support gift #3, Support gift #4, Additional PTBCARE+ support, Stress reduction toolkit - Visit 1 (V1), PTBCARE+ mobile application (app) and website, Sleep, meditation, and Wellness app, Emergency low blood sugar kit, Low dose aspirin (LDA), Visit #2 Stress Reduction Toolkit
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
1,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Diabetes Mellitus, Hypertension
Interventions
Web-based care management, Telephone and face-to-face care management, Internet access alone
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
25 Years to 79 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Brockton, Massachusetts