Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 1:26 PM EDT

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Showing 25–29 of 5 matching trials from the live ClinicalTrials.gov search.
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Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Understanding Poor Vaccine Responses to Hepatitis B Vaccination

NCT04674462
Conditions
Vaccine Reaction
Interventions
CpG-adjuvanted HBV Vaccine, Traditional HBV Vaccine
Biological
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus, Type 1, Hyperglycemia, Vaccine Adverse Reaction
Interventions
None (not interventional)
Other
Lead sponsor
Levenson, David I., M.D.
Individual
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boca Raton, Florida
Conditions
Systemic Allergic Reaction
Interventions
Pfizer-BioNTech COVID-19 Vaccine (Comirnaty), Placebo, Pfizer-BioNTech COVID-19 Vaccine, Bivalent
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years to 69 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety of LAIV4 in Children With Asthma

NCT03600428
Conditions
Asthma in Children, Vaccine Adverse Reaction, Vaccine Reaction, Asthma, Wheezing, Influenza
Interventions
Live Attenuated Influenza Vaccine (LAIV), Inactivated Influenza Vaccine (IIV)
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 11 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
3
States / cities
Durham, North Carolina • Cincinnati, Ohio • Nashville, Tennessee
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of the Safety and Immunogenicity of Reduced Doses of the US Yellow Fever Vaccine

NCT05374317
Conditions
Yellow Fever Vaccination Reaction
Interventions
Yellow Fever Vaccine
Biological
Lead sponsor
US Army Medical Research Institute of Infectious Diseases
Federal
Eligibility
18 Years to 50 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Frederick, Maryland