Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 2, 2026, 2:13 AM EDT

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Showing 25–48 of 50 matching trials from the live ClinicalTrials.gov search.
Conditions
COVID-19 Vaccine, Cancer
Interventions
COVID-19 Vaccine
Biological
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Covid19, Cancer, Malignancy, Vaccine Response Impaired
Interventions
SARS-COV2 Pfizer Vaccine
Biological
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Herpes Zoster
Interventions
HZ/su, Flu D-QIV, mRNA-1273
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
46
States / cities
Tempe, Arizona • Oxnard, California • San Diego, California + 40 more
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Vaccine Responses to SARS-CoV-2 and Other Emerging Infectious Diseases

NCT05078905
Conditions
COVID-19, Vaccination, Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2050
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine, COVID-19 mRNA vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years and older
Enrollment
841 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
8
States / cities
Coral Gables, Florida • Savannah, Georgia • Evansville, Indiana + 5 more
Conditions
Influenza, Human+COVID-19
Interventions
Investigational mRNA Seasonal Flu/COVID-19 Combination (Flu/COVm) Vaccine, Licensed Seasonal Influenza Vaccine, Licensed COVID-19 Vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
65 Years to 85 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
12
States / cities
Anniston, Alabama • Little Rock, Arkansas • Fair Oaks, California + 9 more
Conditions
Multiple Sclerosis, Covid19
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Enrollment
920 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
SARS-CoV-2, COVID-19
Interventions
Sample collection
Other
Lead sponsor
COVID-19 Prevention Network
Network
Eligibility
18 Years and older
Enrollment
953 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
15
States / cities
Birmingham, Alabama • San Francisco, California • Miami, Florida + 11 more
Conditions
COVID-19
Interventions
Laboratory assessment of antibody profiles
Diagnostic Test
Lead sponsor
Aditxt, Inc.
Industry
Eligibility
18 Years and older
Enrollment
403 participants
Timeline
2020 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Completed Not applicable Interventional Accepts healthy volunteers Results available

RCT of Mushroom Based Natural Product to Enhance Immune Response to COVID-19 Vaccination

NCT04951336
Conditions
COVID-19 Vaccination
Interventions
FoTv
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Diego, California
Conditions
SARS-CoV Infection, Covid19
Interventions
SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), Placebo (Initial Vaccination Period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Crossover Vaccination period), Placebo (Crossover Vaccination period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Booster Vaccination), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Second Booster Vaccination)
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
12 Years and older
Enrollment
33,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
144
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tempe, Arizona + 110 more
Completed No phase listed Observational Accepts healthy volunteers

Understanding Immunity to the COVID-19 Vaccines

NCT04664309
Conditions
COVID-19, Immunity, Vaccine
Interventions
No intervention
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Stanford, California
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
CoTend-BXBB (SARS2-30404), CoTend-s3BXBB (SARS2-17032), Placebo
Biological
Lead sponsor
Kara Chew
Other
Eligibility
40 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Los Angeles, California • San Francisco, California
Completed No phase listed Observational Accepts healthy volunteers

Retail COVID-19 Study

NCT06761612
Conditions
COVID - 19
Interventions
FDA approved mRNA vaccines
Biological
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
3 Years and older
Enrollment
2,519 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
20
States / cities
Kissimmee, Florida • Chicago, Illinois • Oak Park, Illinois + 15 more
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pasadena, California
Conditions
Multiple Sclerosis, Autoimmune Blistering Disease, B-Cell Deficiency
Interventions
COVID19 vaccine
Biological
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
11
States / cities
Duarte, California • Orange, California • Washington D.C., District of Columbia + 8 more
Conditions
Relapsing Multiple Sclerosis
Interventions
Ofatumumab, Covid-19 vaccine
Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Phoenix, Arizona • Owosso, Michigan • St Louis, Missouri + 1 more
Conditions
Inflammatory Bowel Diseases
Interventions
Influenza vaccine, COVID-19 vaccine
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 64 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
SARS-CoV-2, COVID-19
Interventions
CV0701 mRNA COVID-19 Vaccine (Low dose), CV0701 mRNA COVID-19 Vaccine (Medium dose), CV0701 mRNA COVID-19 Vaccine (High dose), CV0601 mRNA COVID-19 Vaccine, Control vaccine, CV0801 mRNA COVID-19 Vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
692 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
Sacramento, California • Hollywood, Florida • Peoria, Illinois
Recruiting No phase listed Observational Accepts healthy volunteers

Understanding Immunity to the Flu Vaccine in COVID-19 Patients

NCT04579588
Conditions
Corona Virus Infection, Flu Vaccine, Immunity
Interventions
Flu shot
Biological
Lead sponsor
Stanford University
Other
Eligibility
9 Years to 64 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Coronavirus Disease 2019 (COVID-19), SARS-CoV-2
Interventions
Biological sample collection, Data Collection: Clinical Care Assessments
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
1,227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Tucson, Arizona • Los Angeles, California • San Francisco, California + 14 more
Not listed No phase listed Observational

Immunity After COVID-19 Vaccination

NCT04883164
Conditions
Immunity to COVID-19
Interventions
Cellular and antibody response to spike antigens of SARS-CoV-2 in both groups in peripheral blood samples
Other
Lead sponsor
Plexision
Industry
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Terminated No phase listed Observational Accepts healthy volunteers

Immune Responses in Oncology Patients to Novel Coronavirus Vaccines (IROC)

NCT04930055
Conditions
Cancer
Interventions
COVID-19 Vaccination
Biological
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
2,206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Carmel, Indiana • Indianapolis, Indiana