Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jun 11, 2026, 2:43 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 41 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Immunization Rates Clear all
Completed Not applicable Interventional

Testing the Use of Prompts to Increase Adolescent Immunization Rates

NCT01984125
View directory record Official record
Conditions
Vaccine Preventable Diseases, Meningococcal Disease, Human Papillomavirus, Pertussis, Influenza
Interventions
Point-of-Care Prompt
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 18 Years
Enrollment
7,040 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
22
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

The Effect of HPV Vaccination on Recurrence Rates in HIV Patients With Condylomata

NCT00941889
View directory record Official record
Conditions
HIV Positive, Anal Condylomata, Anal Warts, HIV Infections
Interventions
Saline, Quadrivalent Human Papillomavirus (Types 6,11,16,18) Recombinant Vaccine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 24, 2016 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influenza and Text Messaging in Pregnancy

NCT01248520
View directory record Official record
Conditions
Pregnancy
Interventions
influenza and general health information, general health information
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 50 Years · Female only
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Jun 11, 2026, 2:43 AM EDT
Active, not recruiting Not applicable Interventional

Kaiser Colorado Flu Nudge

NCT07372950
View directory record Official record
Conditions
Influenza, Vaccination
Interventions
Behavioral economics framed test messaging
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
6 Months and older
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Compare the Impact of a School Based HPV Program on Vaccination Uptake and Completion Rates

NCT01526551
View directory record Official record
Conditions
Human Papillomavirus
Interventions
HPV Vaccine and HPV-related Health Education, Reduction of barriers
Other
Lead sponsor
Lake Cumberland District Health Department
Other
Eligibility
12 Years to 20 Years
Enrollment
935 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
Monticello, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Jun 11, 2026, 2:43 AM EDT
Not listed Not applicable Interventional

Increasing HPV Immunization Rates: The Rural Adolescent Vaccine Enterprise

NCT03604393
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Practice facilitation
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 89 Years
Enrollment
22,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving HPV Vaccination Rates Among Rural and Native American Adolescents

NCT03801603
View directory record Official record
Conditions
HPV Vaccinations
Interventions
HPV vaccination training and education
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
11 Years to 17 Years
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional

School Influenza Vaccine vs Standard of Care With Nested Trial of 2 Parent Notification Intensities

NCT01224301
View directory record Official record
Conditions
Immunizations, Vaccination, Influenza, School Health
Interventions
School based flu vaccine: Low intensity, School based flu vaccine: High intensity
Behavioral
Lead sponsor
Monroe County Department of Public Health
Other
Eligibility
4 Years to 13 Years
Enrollment
25,366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2012 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Vaccination Kiosk Project

NCT01622608
View directory record Official record
Conditions
Adolescent Vaccination Status
Interventions
Vaccine Information Kiosk
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
3
States / cities
Centennial, Colorado • Thornton, Colorado • Wheat Ridge, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional

HPV IIS Reminder/Recall- New York State

NCT03057379
View directory record Official record
Conditions
Reminder Systems
Interventions
Vaccine Reminder Recall
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 17 Years
Enrollment
30,616 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 Apr 27, 2020 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional

The Effect of Time-Slot Scheduling on Flu Vaccination Rates

NCT01206686
View directory record Official record
Conditions
Seasonal Influenza
Interventions
Planning Prompt, Default Appointment, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
50,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2016 · Synced Jun 11, 2026, 2:43 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 Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

SCALE-UP Utah: Community-Academic Partnership to Address COVID-19 Vaccination Rates Among Utah Community Health Centers

NCT04939519
View directory record Official record
Conditions
Covid19
Interventions
Text-Messaging (TM), Patient Navigation (PN)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
65,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Jun 11, 2026, 2:43 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 19, 2020 · Synced Jun 11, 2026, 2:43 AM EDT
Completed No phase listed Observational

Vaccination Compliance

NCT03039725
View directory record Official record
Conditions
Vaccine Compliance
Interventions
Observational
Other
Lead sponsor
Jaye Shyken, MD
Other
Eligibility
14 Years to 55 Years · Female only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Jun 11, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Investigating Facilitator-driven, Multi-level Implementation Strategies in Federally Qualified Health Centers to Improve Provider Recommendation and HPV Vaccination Rates Among Latino/a Adolescents

NCT06598475
View directory record Official record
Conditions
Human Papillomavirus Infection
Interventions
Facilitator-driven provider- and practice-level implementation strategies for influencing provider recommendations and practice-level HPV vaccination rates
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
11 Years to 17 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jun 11, 2026, 2:43 AM EDT
Completed No phase listed Observational Results available

FeverText: Assessing Fever Rates After Vaccination During the 2011-12 Influenza Season Using Text Messaging

NCT01467934
View directory record Official record
Conditions
Fever
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 23 Months
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 20, 2014 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Clinical Immunization Safety Assessment (CISA) Project: Pilot Study to Assess the Effect of Prophylactic Antipyretics on Immune Responses and Fever After IIV

NCT01946594
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen, Placebo
Other
Lead sponsor
Duke University
Other
Eligibility
12 Months to 35 Months
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2016 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional

Efficacy Study of School-located Influenza Vaccination Clinics to Increase Influenza Vaccination Rates in Monroe County, New York

NCT02227186
View directory record Official record
Conditions
Childhood Influenza Vaccination, School-located Influenza Vaccination
Interventions
School-located Influenza Vaccination Clinic
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Years to 19 Years
Enrollment
20,461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2017 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

System Alignment for VaccinE Delivery (SAVED): Improving Rates of Influenza and Pneumococcal Vaccination Through Patient Outreach, Improved Medical Record Accuracy and Targeted Physician Alerts

NCT02266277
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Jun 11, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of an Electronic Medical Record in the Primary Care Setting to Improve Herpes Zoster Vaccination Rates

NCT01519570
View directory record Official record
Conditions
Herpes Zoster Disease
Interventions
An informational packet regarding shingles and the HZV was sent to patients identified by the EMR
Other
Lead sponsor
Ohio State University
Other
Eligibility
60 Years and older
Enrollment
2,589 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Jun 11, 2026, 2:43 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 23, 2019 · Synced Jun 11, 2026, 2:43 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing Choice in the Employer Setting (ACES) Study

NCT00808808
View directory record Official record
Conditions
Healthy
Interventions
Choice of TIV or FluMist with baseline advertisement, Choice of TIV or FluMist with enhanced advertisement and incentives, Control - Usual care offering TIV only with baseline advertisement
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years and older
Enrollment
4,411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
47
States / cities
Chatsworth, California • Novato, California • Sacramento, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Jun 11, 2026, 2:43 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Group Intervention on Vaccine Confidence

NCT05891626
View directory record Official record
Conditions
Vaccination Refusal
Interventions
Group intervention
Behavioral
Lead sponsor
MultiCare Health System Research Institute
Other
Eligibility
18 Years and older
Enrollment
429 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Puyallup, Washington
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Jun 11, 2026, 2:43 AM EDT