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Showing 1–24 of 96 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Email reminder Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tracking Depression Symptoms With a Health Chatbot

NCT03990389
View directory record Official record
Conditions
Depression, Postpartum, Depression, Unipolar
Interventions
Chatbot Intervention
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incentives for Influenza Vaccination

NCT06300242
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Reminders, Financial Incentive, Placebo
Behavioral · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
69,972 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Martinez, California
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced Sep 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Survey Study on Barrett's Esophagus Screening

NCT04408105
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Barrett's Esophagus, Esophagus Adenocarcinoma
Interventions
Primary Care Provider Survey, Gastroenterologist Survey, Patient Survey
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 99 Years
Enrollment
725 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
7
States / cities
Aurora, Colorado • Philadelphia, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Sep 7, 2026, 12:31 AM EDT
Active, not recruiting Not applicable Interventional

DISCO: A Patient Intervention to Reduce the Financial Burden of Cancer

NCT04766190
View directory record Official record
Conditions
Financial Toxicity, Cancer, Question Prompt List, Breast Cancer, Prostate Cancer
Interventions
Group 2: The DISCO App, Group 1: Usual Care, Group 3: The DISCO App + Booster
Behavioral
Lead sponsor
Lauren Hamel
Other
Eligibility
18 Years and older
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Vaccination Reminder Study

NCT01732315
View directory record Official record
Conditions
Adolescent Vaccination Status
Interventions
Email Notification
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
3,783 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 16, 2015 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Parents of Young Adults With Type 1 Diabetes: An Exploratory Study

NCT03158415
View directory record Official record
Conditions
Type1diabetes, Parents
Interventions
T1DToolkit.org mobile diabetes education
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 99 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional Results available

Nudging Patients to Increase Shingles Vaccination

NCT06238726
View directory record Official record
Conditions
Shingles, Vaccination Behavior, Behavior, Health
Interventions
Reminder
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
50 Years and older
Enrollment
50,786 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional Results available

The ConnectedCancerCare Pilot Study (CCC)

NCT03618017
View directory record Official record
Conditions
Early-stage Breast Cancer, Breast Cancer Female, Survivorship, Cancer Survivors, Transitional Care
Interventions
CCC website, Static care plan
Behavioral
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
21 Years to 84 Years · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Brief App-based Mobile Health and Well-being Intervention Among Middle-aged Adults

NCT04272138
View directory record Official record
Conditions
Meditation, Control Group
Interventions
Calm Meditation, Educational Podcast Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 64 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional

Pre-visit Digital Messaging Improves Patient Reported Outcome Measure Participation Prior to the Orthopedic Ambulatory Visit

NCT04983641
View directory record Official record
Conditions
Orthopedic Disorder
Interventions
Pre-Visit Messages
Other
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

P3 (Prepared, Protected, emPowered)

NCT03320512
View directory record Official record
Conditions
Sexually Transmitted Diseases, Safe Sex, Adherence, Medication
Interventions
P3+, Control
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years · Male only
Enrollment
246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
9
States / cities
Tampa, Florida • Atlanta, Georgia • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2022 · Synced Sep 7, 2026, 12:31 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Decision Algorithm for Vital Sign Assessment in the Outpatient Physical Therapy Setting

NCT07258030
View directory record Official record
Conditions
Healthy
Interventions
E-Delphi
Other
Lead sponsor
Youngstown State University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Youngstown, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 7, 2026, 12:31 AM EDT
Completed No phase listed Observational

Osteogenesis Imperfecta (OI) Quality of Life Survey Pilot Project 2

NCT02793063
View directory record Official record
Conditions
Osteogenesis Imperfecta, Brittle Bone Disorders
Interventions
Web-based Survey
Other
Lead sponsor
University of South Florida
Other
Eligibility
2 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 5, 2018 · Synced Sep 7, 2026, 12:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing the Impact of myHealth Rewards Enrollment Emails

NCT03965754
View directory record Official record
Conditions
Health Promotion, Wellness Programs
Interventions
Social norms, Loss framing, Email reminder
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
5,697 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2021 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional

Impact of an Online Positive Affect Journaling Intervention

NCT01873599
View directory record Official record
Conditions
Stress
Interventions
Positive Affect Journaling
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2014 · Synced Sep 7, 2026, 12:31 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Knowledge and Interpersonal Skills to Develop Exemplary Relationships

NCT03593564
View directory record Official record
Conditions
Caregivers, Family Relations, Domestic Violence, Elder Abuse
Interventions
KINDER
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Phase 1Phase 2 Interventional

Primary Care Patients With Depression for Internet-Based Social Support

NCT00886730
View directory record Official record
Conditions
Depressive Disorder
Interventions
Simple Card, Patient Centered Brochure, Physician's endorsement
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 16, 2012 · Synced Sep 7, 2026, 12:31 AM EDT
Active, not recruiting Not applicable Interventional

Adherence to Dyslipidemia Therapy: Harnessing Evidence From Randomized Evaluations in AtheroSclerotic CardioVascular Disease

NCT07522645
View directory record Official record
Conditions
ASCVD, Diabetes
Interventions
SMS (Initial Outreach), Secure Portal Message (Initial Outreach), Non-secure Email (Initial Outreach), SMS (Follow-up for Non-responders), Secure Portal Message (Follow-up for Non-responders), Non-secure Email (Follow-up for Non-responders)
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
22,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pleasant Hill, California
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 7, 2026, 12:31 AM EDT
Completed No phase listed Observational

GlowCaps Adherence Randomized Control Trial

NCT01756001
View directory record Official record
Conditions
Medical Adherence
Interventions
GlowCap, Daily email, text message, or phone call reminders, Paid for adherence
Device · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 84 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional

Adolescent Vaccination in the Medical Home: Established and Innovative Strategies

NCT01577979
View directory record Official record
Conditions
Immunization Rate
Interventions
Text Message Reminder/Recall, Parent Preference
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
11 Years to 17 Years
Enrollment
34,581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 25, 2015 · Synced Sep 7, 2026, 12:31 AM EDT
Enrolling by invitation Not applicable Interventional

App-based Breathing Program for Migraine Relief

NCT07297901
View directory record Official record
Conditions
Migraine, Heart Rate Variability (HRV), Autonomic Nervous System, Headache (Migraine), Headache, Chronic Pain, mHealth, Breathing
Interventions
Baseline Survey, Heart rate variability biofeedback, Sham Control Group
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 7, 2026, 12:31 AM EDT
Completed Not applicable Interventional

The Effects of Heart Rate Variability Biofeedback Training on Hematopoietic Cell Transplantation Patients

NCT04275830
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation, Bone Marrow Transplant, Heart Rate Variability, Autonomic Nervous System, Stress, Mood, Psychological Distress, Emotion Regulation, Communication Research, Narrative
Interventions
Baseline Surveys, Heart rate variability biofeedback, Heart rate variability waitlist and Digital storytelling Control intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 22, 2022 · Synced Sep 7, 2026, 12:31 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Trial of a Social Marketing Campaign to Increase HPV Vaccination Among Mexican American Children

NCT02697396
View directory record Official record
Conditions
HPV Vaccination
Interventions
Assessments, Text Message Reminder, No Text Messaging
Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 7, 2026, 12:31 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Opioids and Police Safety Study

NCT05008523
View directory record Official record
Conditions
Opioid Overdose
Interventions
Opioids and Police Safety Occupational Risk Reduction Training (OPS), Opioids and Police Safety Occupational Risk Reduction Training (COVID)
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Sep 7, 2026, 12:31 AM EDT