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ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Reminder-recall Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Testing Multiple Behavioral Science Strategies to Increase Flu-Shot Rates at a Large Retail Pharmacy

NCT04590066
View directory record Official record
Conditions
Influenza, Human
Interventions
Flu shot text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
734,383 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Future Thinking Among Mothers to Reduce Harsh Parenting and Improve Child Outcomes

NCT05229146
View directory record Official record
Conditions
Behavioral Health
Interventions
Episodic Future Thinking
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 14, 2025 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Accountable Care Organizations/ Public Health Collaborative

NCT02133391
View directory record Official record
Conditions
Immunization Reminder System
Interventions
Centralized Reminder/Recall (R/R), Practice-based Reminder/Recall
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
19 Months and older
Enrollment
78,354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 29, 2017 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Immunization Delivery in Obstetrics and Gynecology Settings

NCT01565135
View directory record Official record
Conditions
Immunization Status Among Obstetrics and Gynecology Patients
Interventions
Multimodal Vaccine Program
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years and older · Female only
Enrollment
97,087 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment, Feedback, Incentive, Exchange (AFIX OB) A Customizable Quality Improvement Intervention to Increase Maternal Vaccine Uptake

NCT04678271
View directory record Official record
Conditions
Influenza, Whooping Cough
Interventions
AFIX-OB Quality Improvement Package
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 21, 2026, 12:53 AM EDT
Terminated Not applicable Interventional Results available

Reminders Through Association & Prescription Adherence

NCT03697083
View directory record Official record
Conditions
Medication Adherence
Interventions
Reminders Through Association, Active Control, Baseline Control
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
777 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Centralized IIS-based Reminder/Recall to Increase Childhood Influenza Vaccination Rates_2nd Trial in Colorado

NCT03246100
View directory record Official record
Conditions
Reminder Systems, Influenza Vaccines
Interventions
Reminders
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Months to 17 Years
Enrollment
25,531 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

HPV Centralized R/R RCT #2 - New York State

NCT03294551
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 27, 2021 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Primary Care and Adolescent Immunization for Rochester

NCT00581347
View directory record Official record
Conditions
Adolescent Immunizations, Preventive Care
Interventions
outreach services
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 15 Years
Enrollment
7,546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders (5)

NCT05525494
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Age-Specific Strategies for Immunization Reminders and Recalls

NCT01770496
View directory record Official record
Conditions
Childhood Vaccination
Interventions
Childhood vaccination reminder / recall notification
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
7 Months to 19 Months
Enrollment
10,175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

State Immunization Information Systems to Improve HPV Vaccination Rates

NCT02993965
View directory record Official record
Conditions
Vaccine, Human Papiloma Virus Vaccine, HPV Vaccine, Immunization, Health Registry, Adolescent Health, Reproductive Health, Preventive Health Services
Interventions
Vaccine Reminder/Recall
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
11 Years to 17 Years
Enrollment
77,716 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 20, 2020 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Primary & Secondary Interventions for Cervical Cancer Prevention in Primary Care Settings

NCT03033550
View directory record Official record
Conditions
HPV-Related Carcinoma
Interventions
brief negotiated mobile application
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
9 Years to 17 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Targeting Metabolic Syndrome From the Emergency Department Through Mixed-Methods: Pilot Trial

NCT07119658
View directory record Official record
Conditions
Hypertension, Hyperglycemia, Dyslipidemia, Metabolic Syndrome, Obesity &Amp; Overweight, Diabetes, Hyperlipidemia, Emergency Medicine
Interventions
Composite intervention to address MetS
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Can the Memory Support Intervention Improve Depression Outcome Following Cognitive Therapy?

NCT02938559
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Cognitive Therapy (CT) for depression, Cognitive Therapy (CT) for depression + Memory Support
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders_RCT 5 (LADHS)

NCT05535777
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Enhanced texts with Callback by a Person, Enhanced Bidirectional Texts
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
246,295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Optimizing Application And Support Of Immunization Information Systems (OASIS)

NCT02010372
View directory record Official record
Conditions
Increase in Use of Immunization Registry, Increase in HPV Vaccination Rate
Interventions
Reminder Recall Report, Audit-Feedback/Immunization Forecasting Reports
Other
Lead sponsor
University of Rochester
Other
Eligibility
Not listed
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2016 · Synced Oct 21, 2026, 12:53 AM EDT
Not listed Not applicable Interventional

COVID-19 Booster Dose Reminder/Recall for Adolescents

NCT05571657
View directory record Official record
Conditions
COVID-19 Vaccines
Interventions
Reminder/Recall Sent Via Preferred Method of Communication
Behavioral
Lead sponsor
Marshfield Clinic Research Foundation
Other
Eligibility
12 Years to 17 Years
Enrollment
4,304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Marshfield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Study of Adolescent Immunization Recall Systems

NCT01390363
View directory record Official record
Conditions
Immunization, Reminder Systems
Interventions
Parent Only Phone Call, Parent and Adolescent Phone Call
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 17 Years · Female only
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Delay Discounting to Decrease Harsh Parenting Among Parents Receiving Substance Use Treatment

NCT05229120
View directory record Official record
Conditions
Behavioral Health
Interventions
Episodic Future Thinking
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 14, 2025 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Pediatric Second Influenza Dose Portal Reminder Recall

NCT04668417
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- RCT 2

NCT04110314
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal Reminders for Influenza Vaccination: Gain-framed, Portal Reminders for Influenza Vaccination: Loss-framed, Pre-commitment prompt
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Months and older
Enrollment
430,636 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 21, 2026, 12:53 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

HPV Vaccine Confident Families

NCT06002282
View directory record Official record
Conditions
Human Papillomavirus Vaccines
Interventions
Tailored messages, Standard messages
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 21, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Text Message Reminder-Recalls For Early Childhood Vaccination

NCT01199666
View directory record Official record
Conditions
Vaccination
Interventions
Text message
Other
Lead sponsor
Columbia University
Other
Eligibility
9 Months to 50 Years
Enrollment
2,586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2014 · Synced Oct 21, 2026, 12:53 AM EDT