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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Flucelvax(R) Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Persuasion in Medicine: Experimental Evidence on Sender and Signal Effects

NCT04160975
View directory record Official record
Conditions
Flu, Human, Influenza, Human, Covid19
Interventions
Video about safety and effectiveness of adult seasonal flu vaccination
Behavioral
Lead sponsor
Harvard University
Other
Eligibility
18 Years to 51 Years · Male only
Enrollment
3,245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 3, 2026, 10:43 PM EDT
Terminated Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders_RCT 4

NCT05052190
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Text Message R/R with Direct Appointment Schedule Link, Text Message R/R without Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Message R/R with Direct Appointment Schedule Link, Portal Message R/R without Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
239,567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 4 Interventional

VSMART (Video-Conference Stress Management and Relaxation Training for Older Women With Breast Cancer)

NCT03955991
View directory record Official record
Conditions
Stress
Interventions
R-CBSM, Influenza vaccine
Behavioral · Biological
Lead sponsor
University of Miami
Other
Eligibility
50 Years and older · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Sep 3, 2026, 10:43 PM 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 10, 2025 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of Hib-MenCY-TT Vaccine Compared to Licensed Hib Conjugate Vaccine

NCT00289783
View directory record Official record
Conditions
Haemophilus Influenzae Type b, Neisseria Meningitidis
Interventions
GSK Biologicals' Haemophilus influenzae type b and Neisseria meningitidis 792014 vaccine, ActHIB, PedvaxHIB, Pediarix, Prevnar, M-M-R II, Varivax
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 15 Months
Enrollment
4,441 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
88
States / cities
Birmingham, Alabama • Phoenix, Arizona • Bryant, Arkansas + 76 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders (RCT 6)

NCT06062264
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal-based Video Message, Portal-based Infographic Message
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
22,233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2025 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5-VLP + GLA-AF Vaccine Trial in Healthy Adult Volunteers

NCT01657929
View directory record Official record
Conditions
Influenza A Subtype H5N1 Infection
Interventions
H5-VLP + GLA-AF, H5-VLP alone, H5-VLP + Alhydrogel(R), Licensed H5N1 vaccine
Biological
Lead sponsor
Access to Advanced Health Institute (AAHI)
Other
Eligibility
18 Years to 49 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
3
States / cities
Daytona Beach, Florida • Dallas, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 25, 2014 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety/Efficacy Study of Seqirus A/H7N9 IIV With or Without MF59(R) Adjuvant to Prevent Avian Influenza

NCT03682120
View directory record Official record
Conditions
Avian Influenza, Influenza Immunisation
Interventions
A/H7N9, MF59, Phosphate Buffered Saline (PBS) diluent
Biological · Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
7
States / cities
Birmingham, Alabama • St Louis, Missouri • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated May 16, 2021 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 2 Interventional

Alternative Oseltamivir Dosing Strategies

NCT00334529
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
4
States / cities
Los Angeles, California • Palo Alto, California • Bethesda, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 3, 2026, 10:43 PM 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 6, 2024 · Synced Sep 3, 2026, 10:43 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 3, 2026, 10:43 PM EDT
Not listed No phase listed Observational

National Vaccine Adverse Event Reporting Survey and Etiology

NCT05095844
View directory record Official record
Conditions
COVID-19, Vaccine Adverse Reaction, Vaccine Reaction, Vaccine or Biological Substance, Unspecified Causing Adverse Effects in Therapeutic Use, Corona Virus Infection, Blood Clot, Thrombocytopenia, Neuritis, Vasculitis, Influenza, Guillain-Barré, GWAS, Genetic Sequencing
Interventions
vaccinated
Biological
Lead sponsor
Neuroganics LLC
Industry
Eligibility
5 Years to 99 Years
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Northglenn, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Comparison of Delivery Routes of Flu Vaccine in Adults

NCT00170547
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
1,597 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
10
States / cities
Stanford, California • Torrance, California • Iowa City, Iowa + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Sep 3, 2026, 10:43 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 3, 2026, 10:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5N1 With or Without Topical Aldara in Healthy Adults

NCT03472976
View directory record Official record
Conditions
Avian Influenza, Influenza Immunisation
Interventions
Aqueous Cream B.P., Imiquimod, Influenza Virus Vaccine, Monovalent A/H5N1 A/Vietnam/1203/04
Other · Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2020 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 4 Interventional Results available

Standard-dose Versus High-dose Flu Vaccine in Solid Organ Transplant.

NCT01808456
View directory record Official record
Conditions
Influenza, Human, Transplantation Infection
Interventions
influenza trivalent inactive vaccine, influenza trivalent inactive vaccine high dose
Biological
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 70 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Sep 3, 2026, 10:43 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 3, 2026, 10:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Flublok or Fluzone With Advax-CpG55.2 or AF03

NCT03945825
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
AF03, Delta Inulin-CpG55.2, Influenza Virus Quadrivalent Inactivated Vaccine, Quadrivalent Recombinant Seasonal Influenza Vaccine
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
241 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
8
States / cities
Atlanta, Georgia • Iowa City, Iowa • Baltimore, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 3, 2026, 10:43 PM EDT
Completed Phase 2 Interventional

Mucosal and Systemic Immunity After Viral Challenge of Healthy Volunteers Vaccinated With Inactivated Influenza Vaccine Via the Intranasal Versus Intramuscular Route

NCT03845231
View directory record Official record
Conditions
Influenza
Interventions
Flucelvax(R), Human Challenge virus
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2020 · Synced Sep 3, 2026, 10:43 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 3, 2026, 10:43 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluating the Dose, Safety, Tolerability, and Immunogenicity of Mosaic Hexavalent Influenza Vaccine VRCFLUMOS0116-00-VP (FluMos-v2) With and Without ALFQ Adjuvant in Healthy Adults

NCT06863142
View directory record Official record
Conditions
Influenza Prevention, Seasonal Influenza
Interventions
VRC-FLUMOS0116-00-VP, ALFQ
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 3, 2026, 10:43 PM EDT