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ClinicalTrials.gov public records Last synced Sep 21, 2026, 9:36 AM EDT

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Showing 1–24 of 57 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Terminated Phase 3 Interventional Results available

COVID-19 3rd Dose Vaccine in Transplant Patients

NCT05047640
Conditions
Covid19
Interventions
BNT162b2 vaccine, JNJ-78436735 Vaccine
Biological
Lead sponsor
Giselle Guerra
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 55 Years
Enrollment
629 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
21
States / cities
Anaheim, California • Walnut Creek, California • Hialeah, Florida + 16 more
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b1, BNT162b2, Placebo, BNT162b2SA
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
46,969 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
154
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 106 more
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Learn About New COVD-19 RNA Vaccine Candidates for New Variants in Healthy Individuals

NCT05997290
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2 (Omi XBB.1.5), BNT162b2 (Omi JN.1), BNT162b2 (Omi KP.2)
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
1,051 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
37
States / cities
Athens, Alabama • Huntsville, Alabama • Mobile, Alabama + 30 more
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2, BNT162b2.B.1.351
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years to 50 Years
Enrollment
1,574 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
17
States / cities
Oakland, California • Milford, Connecticut • Hialeah, Florida + 13 more
Conditions
COVID-19
Interventions
CVXGA (CVXGA50), COMIRNATY®
Biological
Lead sponsor
CyanVac LLC
Industry
Eligibility
18 Years to 100 Years
Enrollment
432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
55
States / cities
Anniston, Alabama • Phoenix, Arizona • Chula Vista, California + 44 more
Completed Phase 2 Interventional Results available

COVID-19 Protection After Transplant Pilot Study

NCT04969263
Conditions
Kidney Transplant Recipients
Interventions
BNT162b2 vaccine (Pfizer/BioNTech), mRNA-1273 vaccine (Moderna)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

mRNA Covid-19 Vaccine Immune Response Comparisons Using Different Delivery Routes

NCT06919796
Conditions
Evaluate Immune Responses Following mRNA COVID-19 Vaccine Administration Through Different Delivery Routes in Healthy Volunteers, SARS CoV-2
Interventions
COMIRNATY®
Biological
Lead sponsor
PharmaJet, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Decatur, Georgia
Conditions
COVID-19 Vaccines
Interventions
BNT162b2 Vaccine, Tdap Vaccine
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 64 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
5
States / cities
Walnut Creek, California • Miami Lakes, Florida • Honolulu, Hawaii + 2 more
Conditions
SARS-CoV2, COVID-19
Interventions
VXA-CoV2-3.1, COMIRNATY®, VXA-CoV2-3.3
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years and older
Enrollment
5,485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
145
States / cities
Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 126 more
Conditions
COVID-19 Vaccines
Interventions
UB-612, BNT162b2 vaccine, ChAdOx1-S vaccine, Sinopharm BIBP
Biological
Lead sponsor
Vaxxinity, Inc.
Industry
Eligibility
16 Years and older
Enrollment
944 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Brownsville, Texas
Completed Phase 2 Interventional Accepts healthy volunteers Results available

COVID19 SARS Vaccinations: Systemic Allergic Reactions to SARS-CoV-2 Vaccinations

NCT04761822
Conditions
SARS-CoV Infection, COVID-19, Allergic Reaction, Mast Cell Disorder
Interventions
Moderna COVID-19 Vaccine, Pfizer-BioNTech COVID-19 Vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
5 Years and older
Enrollment
746 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
29
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 24 more
Conditions
Adverse Reaction to Vaccine, COVID19 Vaccine
Interventions
BNT162b2, mRNA-1273, AZD1222, CoronaVac, Sinopharm, Gam-COVID-Vac, JNJ-78436735, CVnCoV, NVX-CoV2373, BBV152
Biological
Lead sponsor
Masaryk University
Other
Eligibility
18 Years and older
Enrollment
30,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
COVID-19 Vaccine, Corona Virus Infection, Vaccine Adverse Reaction, Vaccine Response, Inflammation, Thrombosis
Interventions
Not listed
Lead sponsor
LifeBridge Health
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
COVID-19
Interventions
Primary Exposure Status of Pfizer-BioNTech COVID-19 Vaccine, BNT162b2 BA.4/5 bivalent, XBB.1.5-adapted vaccinated
Biological
Lead sponsor
Pfizer
Industry
Eligibility
0 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Pasadena, California
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b5 Bivalent (WT/OMI BA.2), BNT162b2 Bivalent (WT/OMI BA.1), BNT162b2 Bivalent (WT/OMI BA.4/BA.5), BNT162b5 Bivalent (Original/OMI BA.4/BA.5), BNT162b6 Bivalent (Original/OMI BA.4/BA.5), BNT162b7 Bivalent (Original/OMI BA.4/BA.5), BNT162b7 Monovalent (OMI BA.4/BA.5)
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
1,453 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
31
States / cities
Anaheim, California • San Diego, California • Valley Village, California + 26 more
Conditions
COVID-19, Corona Virus Infection
Interventions
Pfizer-BioNTech mRNA COVID-19 vaccine, Moderna mRNA COVID-19 vaccine
Biological
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

A Study to Learn About a COVID-19 Vaccine in Healthy Adults 50 Through 64 Years of Age

NCT07300839
Conditions
COVID-19, SARS-COV-2 Infection
Interventions
BNT162b2 Vaccine, Placebo
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
50 Years to 64 Years
Enrollment
5,240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
196
States / cities
Anniston, Alabama • Athens, Alabama • Birmingham, Alabama + 148 more
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
Biological/Vaccine: BNT162b2 10mcg, BNT162b2 20mcg, BNT162b2 30mcg, Placebo, Biological/Vaccine: BNT162b2 3mcg
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
6 Months to 15 Years
Enrollment
11,837 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
90
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 67 more
Conditions
COVID-19, SARS-COV-2 Infection
Interventions
BNT162b2 (2025/2026 recommended SARS-CoV-2 strain)
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
774 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
19
States / cities
Walnut Creek, California • Milford, Connecticut • Washington D.C., District of Columbia + 13 more
Conditions
Coronavirus Disease
Interventions
Ad26.COV2.S
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years and older
Enrollment
1,541 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
21
States / cities
Phoenix, Arizona • Tucson, Arizona • Anaheim, California + 17 more
Conditions
Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Interventions
PCV13 vaccine and any of the FDA-approved COVID-19 vaccine products (BNT162b2, mRNA-1273, or Ad26.COV2.S) based on local availability.
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
SARS-CoV-2 Infection, COVID-19, SARS-CoV-2 Acute Respiratory Disease, SARS (Disease)
Interventions
BNT162b2, Multivalent BNT162b2 (B.1.1.7 + B.1.617.2), Monovalent BNT162b2 (B.1.1.7), Monovalent BNT162b2 (B.1.617.2), Monovalent BNT162b2 (B.1.1.529.1), Observational
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 85 Years
Enrollment
1,380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
14
States / cities
Long Beach, California • San Diego, California • Milford, Connecticut + 10 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Delayed Heterologous SARS-CoV-2 Vaccine Dosing (Boost) After Receipt of EUA Vaccines

NCT04889209
Conditions
COVID-19
Interventions
Ad26.COV2.S, BNT162b2, mRNA-1273, mRNA-1273.211, mRNA-1273.222, SARS-CoV-2 rS/M1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
867 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
10
States / cities
Decatur, Georgia • Baltimore, Maryland • New York, New York + 6 more