Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 2, 2026, 3:23 PM EDT

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Showing 25–48 of 136 matching trials from the live ClinicalTrials.gov search.
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345, Afluria® Quadrivalent, mRNA-1273.214
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years and older
Enrollment
3,317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
62
States / cities
Birmingham, Alabama • Tucson, Arizona • Garden Grove, California + 51 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
Influenza, COVID-19
Interventions
Simultaneous Vaccination (Influenza Vaccine and mRNA COVID booster), Sequential Vaccination (Influenza vaccine then mRNA COVID booster), Sequential Vaccination (mRNA COVID booster then Influenza vaccine)
Biological
Lead sponsor
Duke University
Other
Eligibility
6 Years to 64 Years
Enrollment
455 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
8
States / cities
Phoenix, Arizona • Tempe, Arizona • Atlanta, Georgia + 4 more
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2, Placebo, BNT162b2 OMI, Combination BNT162b2 and BNT162b2 OMI, Combination (Bivalent) BNT162b2 and BNT162b2 OMI
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
16,372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
139
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 99 more
Conditions
Multiple Sclerosis
Interventions
Analysis of cell-mediated and antibody-mediated immunity to SARS-CoV-2 virus
Other
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Portland, Oregon
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study of mRNA Vaccine Formulation Against COVID-19 in Healthy Adults 18 Years of Age and Older

NCT04798027
Conditions
COVID-19
Interventions
SARS-CoV-2 mRNA vaccine formulation 1, SARS-CoV-2 mRNA vaccine formulation 2, SARS-CoV-2 mRNA vaccine formulation 3, Placebo (0.9% normal saline)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
12
States / cities
Rolling Hills Estates, California • Hollywood, Florida • Miami, Florida + 9 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Learn About a Combined COVID-19 and Influenza Shot in Healthy Adults

NCT06237049
Conditions
Influenza, Human, SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2 (Omi XBB.1.5)/RIV, BNT162b2 (Omi XBB.1.5), RIV, Normal saline placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
30
States / cities
Lake Forest, California • Tustin, California • Walnut Creek, California + 22 more
Conditions
Covid19, Vaccine Reaction
Interventions
COVID-19 vaccine
Drug
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
Not listed
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pasadena, California
Conditions
Healthy, Chronic Stable Illness
Interventions
casirivimab+imdevimab, Moderna mRNA-1273 vaccine
Drug · Biological
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
6
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Hialeah, Florida + 3 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
Conditions
SARS-CoV-2
Interventions
mRNA-1273.211, mRNA-1273, mRNA-1273.617.2, mRNA-1273.213, mRNA-1273.529, mRNA-1273.214, mRNA-1273.222, mRNA-1273.815, mRNA-1273.231
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5,161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
23
States / cities
Sacramento, California • Hollywood, Florida • Jacksonville, Florida + 18 more
Completed Phase 4 Interventional Accepts healthy volunteers

Simultaneous mRNA COVID-19 and IIV Vaccination in Pregnancy Study

NCT06503900
Conditions
Birth Outcomes, Safety, Adverse Event Following Immunization
Interventions
mRNA COVID-19 vaccine, IIV4 (quadrivalent inactivated influenza vaccine)
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
6
States / cities
Atlanta, Georgia • Boston, Massachusetts • Durham, North Carolina + 2 more
Conditions
COVID-19, SARS-CoV-2
Interventions
CV2CoV (2 µg), CV2CoV (4 µg), CV2CoV (8 µg), CV2CoV (12 µg), CV2CoV (16 µg), CV2CoV (20 µg)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
24
States / cities
Aurora, Colorado • Hallandale, Florida • Lakeland, Florida + 11 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Study of Novavax Vaccine(s) as Booster Dose After mRNA Vaccines

NCT05875701
Conditions
COVID-19
Interventions
NVX-CoV2373, SARS-CoV-2 rS antigen/Matrix-M Adjuvant
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
5
States / cities
Austin, Texas • Fort Worth, Texas • Plano, Texas + 1 more
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
AZD9838, Licensed SARS-CoV-2 mRNA vaccine, AZD6563
Biological
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
5
States / cities
Long Beach, California • Rolling Hills Estates, California • Chicago, Illinois + 2 more
Conditions
COVID-19
Interventions
SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 1, SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 2, SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 3, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (D614)-AS03, Dosage A, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (D614)-AS03, Dosage B, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 1, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 2, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 3, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 4, SARS-CoV-2 adjuvanted recombinant protein vaccine, bivalent (D614+B.1.351)-AS03
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
3,159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
30
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 26 more
Conditions
Covid19, SARS-CoV2 Infection
Interventions
mRNA-1273
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Conditions
SARS-CoV-2
Interventions
mRNA-1283, mRNA-1273
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
6 Months to 11 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
13
States / cities
Ontario, California • Miami, Florida • Miami Lakes, Florida + 9 more
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Exercise and COVID-19 Viral T-cell Immunity

NCT05019456
Conditions
COVID-19 Respiratory Infection, Influenza
Interventions
COVID-19 Vaccine
Biological
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 44 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
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
SARS-CoV-2
Interventions
mRNA-1273 Variant-containing Formulation
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
6 Months and older
Enrollment
1,144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
6
States / cities
Atlanta, Georgia • Decatur, Georgia • Baton Rouge, Louisiana + 3 more
Conditions
COVID-19, Vaccine-Preventable Diseases, SARS CoV 2 Infection
Interventions
protein subunit: Novavax COVID-19 vaccine, Pfizer mRNA COVID-19 vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Healthy Participants
Interventions
Combination [RSVpreF+BNTb162b2], Bivalent BNT162b2 (original/Omi BA.4/BA.5), RSVpreF, QIV, Normal Saline Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
1,142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
37
States / cities
Dublin, California • Huntington Beach, California • Lake Forest, California + 26 more
Conditions
Immunization
Interventions
Exercise
Behavioral
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Ames, Iowa