Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 6, 2026, 11:49 PM EDT

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Showing 1–11 of 11 matching trials from the live ClinicalTrials.gov search.
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Aging on Primary and Secondary Vaccine Responses

NCT03312699
Conditions
Influenza, Hepatitis A, Typhoid, Healthy Adults
Interventions
Fluzone® quadrivalent, Fluzone High Dose, Fluad, Vaqta, Typhim Vi, Vivotif
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Stanford, California
Conditions
Influenza, Human
Interventions
aQIV or aTIV, QIV or TIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
65 Years and older
Enrollment
38,769 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
111
States / cities
Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 96 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Safety and Immunogenicity Study of aQIV in Elderly Adults

NCT03314662
Conditions
Influenza, Human
Interventions
MF59-adjuvanted Quadrivalent Subunit Inactivated Egg-derived Influenza Vaccine (aQIV), Licensed MF59-adjuvanted Trivalent Subunit Inactivated Egg-derived Influenza Vaccine (aTIV-1), MF59-adjuvanted Trivalent Subunit Inactivated Egg-derived Influenza Vaccine Containing the Alternate B Strain (aTIV-2)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
65 Years and older
Enrollment
1,778 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
20
States / cities
Mobile, Alabama • Anaheim, California • Redding, California + 17 more
Conditions
Influenza, Influenza-like Illness
Interventions
adjuvanted trivalent influenza vaccine, trivalent influenza vaccine
Biological
Lead sponsor
Insight Therapeutics, LLC
Other
Eligibility
65 Years and older
Enrollment
823 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Conditions
Influenza
Interventions
MF59 adjuvanted trivalent subunit influenza vaccine (aTIV), Non-adjuvanted trivalent subunit influenza vaccine (TIV)
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
65 Years and older
Enrollment
7,109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
21
States / cities
Phoenix, Arizona • DeLand, Florida • Jacksonville, Florida + 15 more
Conditions
Influenza
Interventions
Blood Draw
Procedure
Lead sponsor
Insight Therapeutics, LLC
Other
Eligibility
65 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases, Respiratory Tract Infections
Interventions
30 µg/strain of Quadrivalent VLP Vaccine, 60 µg/strain of Quadrivalent VLP Vaccine, FluLaval® Tetra (15 µg/strain), Fluzone® High-Dose (60 µg/strain)
Biological
Lead sponsor
Medicago
Industry
Eligibility
65 Years and older
Enrollment
1,001 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
6
States / cities
Redding, California • Hollywood, Florida • South Miami, Florida + 3 more
Conditions
Influenza
Interventions
Inactivated seasonal influenza vaccine (split virus, Vero cell-derived), Phosphate buffered saline
Biological · Other
Lead sponsor
Alachua Government Services, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
3,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
34
States / cities
Tucson, Arizona • Anaheim, California • Sacramento, California + 31 more
Conditions
Influenza Virus
Interventions
Adjuvanted Quadrivalent Subunit Influenza Virus Vaccine (aQIV), Non-adjuvanted Trivalent Influenza Vaccine (TIV) / Quadrivalent Influenza Vaccine (QIV)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 71 Months
Enrollment
10,644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
91
States / cities
Chandler, Arizona • Harrisburg, Arkansas • Anaheim, California + 70 more
Conditions
Influenza
Interventions
Fluzone vaccine with JVRS-100 adjuvant, Fluzone vaccine
Biological
Lead sponsor
Colby Pharmaceutical Company
Industry
Eligibility
18 Years to 49 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Miami, Florida • Lenexa, Kansas
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

MAS-1 Adjuvanted Compared to Unadjuvanted Influenza Vaccines in the Elderly

NCT01623232
Conditions
Influenza Vaccines, Aged
Interventions
MAS-1 adjuvant and influenza HA antigen, standard dose, inactivated trivalent influenza vaccine (TIV)
Biological
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
65 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Palo Alto, California • Iowa City, Iowa • Minneapolis, Minnesota + 1 more