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ClinicalTrials.gov public records Last synced Sep 6, 2026, 3:32 AM EDT

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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Vaccines
Interventions
HPV Vaccine Reminder Recall - Autodialer, HPV Vaccine Reminder Recall - Texting
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 14 Years
Enrollment
37,003 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Results available

Patient Portal - Flu Reminder Recall

NCT03666026
Conditions
Influenza, Respiratory Tract Infections, Vaccines
Interventions
1 MyChart R/R, 2 MyChart R/R, 3 MyChart R/R
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Months and older
Enrollment
164,205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional

Centralized Reminder Recall - Flu RCT2

NCT03294473
Conditions
Influenza, Human, Orthomyxoviridae Infections, RNA Virus Infections, Virus Disease, Respiratory Tract Infections, Respiratory Tract Disease, Vaccines, Physiological Effects of Drugs
Interventions
R/R - Autodialers, R/R - Texting, R/R - mailed postcard
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months to 17 Years
Enrollment
70,190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Critically Ill
Interventions
PEP uP Protocol
Other
Lead sponsor
Clinical Evaluation Research Unit at Kingston General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,059 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
9
States / cities
Phoenix, Arizona • Loveland, Colorado • Washington D.C., District of Columbia + 6 more
Completed Not applicable Interventional

eFHS Messaging Trial

NCT03516019
Conditions
Cardiovascular Diseases
Interventions
personalized notices, standard notices, am notices, pm notices, weekday notices, weekend notices
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Precision Nudging Drives Wellness Visit Attendance at Scale

NCT05509049
Conditions
Women's Health, Annual Visit, Well Visit, Health Behavior, Prevention
Interventions
Precision nudging, Standard of care
Other
Lead sponsor
Lirio
Industry
Eligibility
21 Years to 65 Years · Female only
Enrollment
30,068 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Papillomavirus Vaccines
Interventions
Reminder Sent Via Preferred Method of Communication, Reminder Sent Via Mailed Letter
Behavioral
Lead sponsor
Huong Nguyen, PhD
Other
Eligibility
12 Years to 12 Years
Enrollment
5,451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Marshfield, Wisconsin
Conditions
Asthma, Coronary Artery Disease, Diabetes, Hypertension, Congestive Heart Failure
Interventions
Reports, Reports and Notices, Usual care
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
8,422 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Durham, North Carolina