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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Reminder-recall Clear all
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 10, 2025 · Synced Sep 5, 2026, 3:55 PM 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 26, 2021 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional

Evaluation of the School Kids Influenza Prevention Project

NCT03307642
View directory record Official record
Conditions
Childhood Influenza Vaccination, School-located Influenza Vaccination
Interventions
Text message notification
Other
Lead sponsor
University of Rochester
Other
Eligibility
4 Years to 19 Years
Enrollment
18,540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional Results available

Multilevel Interventions to Enhance Provider Recommendations for HPV Vaccination

NCT03501992
View directory record Official record
Conditions
Papillomavirus Vaccines
Interventions
Current care, Reminder-recall, Audit-and-feedback, Combined reminder-recall and audit-and-feedback
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
11 Years to 12 Years
Enrollment
9,242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Sep 5, 2026, 3:55 PM 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 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional Results available

Patient Portal - Flu Reminder Recall

NCT03666026
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 16, 2021 · Synced Sep 5, 2026, 3:55 PM 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 16, 2013 · Synced Sep 5, 2026, 3:55 PM 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 1, 2021 · Synced Sep 5, 2026, 3:55 PM 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 5, 2019 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional

Seasonal Influenza Vaccination Reminders for Children With High-risk Conditions

NCT01431183
View directory record Official record
Conditions
Seasonal Influenza Vaccination
Interventions
Mailed influenza vaccination reminder notice
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
24 Months to 60 Months
Enrollment
3,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Sep 5, 2026, 3:55 PM 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 23, 2019 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional

Oral Health Care Early Intervention Project

NCT00793507
View directory record Official record
Conditions
Caries
Interventions
Oral Health Care Early Intervention Project
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 36 Months
Enrollment
1,178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
5
States / cities
Aurora, Colorado • Delta, Colorado • Fort Collins, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional Results available

Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- UCLA Portal R/R Influenza RCT 3

NCT04533685
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 24, 2022 · Synced Sep 5, 2026, 3:55 PM 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 13, 2025 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional

Impact of Home Exercise Delivery on Compliance & Outcomes for Musculoskeletal Pain

NCT03470753
View directory record Official record
Conditions
Chronic Pain, Compliance, Patient, Chronic Low Back Pain, Knee Pain Chronic
Interventions
Number of Exercises, Type of Instruction, Delivery Type, Mobile Reminder
Other
Lead sponsor
Dan Rhon
Federal
Eligibility
18 Years to 65 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 5, 2026, 3:55 PM 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 5, 2026, 3:55 PM 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 24, 2014 · Synced Sep 5, 2026, 3:55 PM 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 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Collaborative Efforts to Increase Flu Vaccination

NCT01403649
View directory record Official record
Conditions
Influenza, Collaboration
Interventions
Private/public collaboration to increase flu vaccination, Usual care
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Months to 18 Years
Enrollment
117,175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
27
States / cities
Aurora, Colorado • Brighton, Colorado • Broomfield, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2015 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional

Habit Formation for Adherence to Statin Use and LDL Reduction

NCT01798784
View directory record Official record
Conditions
Medication Adherence
Interventions
Sweepstake Incentive 1, Sweepstake Incentive 2, Sweepstake Incentive 3
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Sep 5, 2026, 3:55 PM 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 24, 2016 · Synced Sep 5, 2026, 3:55 PM EDT
Completed Not applicable Interventional

Centralized Reminder Recall - Flu RCT2

NCT03294473
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Sep 5, 2026, 3:55 PM 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 12, 2022 · Synced Sep 5, 2026, 3:55 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Increasing Infant Preventive Health Service Delivery in an Inner City Population

NCT00221507
View directory record Official record
Conditions
Healthy
Interventions
Reminder-Recall-Outreach, Case Management, Patient Navigator
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Not listed
Enrollment
823 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Sep 5, 2026, 3:55 PM EDT