- 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
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 38
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- Interventions
- Bivalent COVID-19 Booster
- Drug
- Lead sponsor
- Thomas Jefferson University
- Other
- Eligibility
- 13 Years to 55 Years · Female only
- Enrollment
- 150 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- COVID-19, Coronavirus Disease 2019, Influenza
- Interventions
- COVID-19 Vaccine
- Biological
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 999 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- 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
- Conditions
- COVID-19, Vaccine-Preventable Diseases, SARS CoV 2 Infection, Upper Respiratory Tract Infection, Upper Respiratory Disease
- Interventions
- Novavax COVID-19 vaccine (2023-2024 formula XBB containing), Pfizer COVID-19 mRNA vaccine (2023-2024 formula XBB containing)
- Biological
- Lead sponsor
- Sarang K. Yoon, DO, MOH
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,188 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Kidney Transplant Recipient
- Interventions
- Janssen Ad26.CoV2.S Vaccine, Reduction in Immunosuppression Medication, Maintenance in Immunosuppression Medication
- Biological · Other
- Lead sponsor
- Mark Stegall
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 468 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 3
- States / cities
- Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
- 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
- COVID-19
- Interventions
- Moderna COVID-19 Vaccine, Moderna mRNA1273.222 Booster, Pfizer COVID-19 Vaccine, Moderna 2023 Updated COVID-19 vaccine (XBB.1.5), Pfizer 2023 Updated COVID-19 vaccine (XBB.1.5)
- Biological
- Lead sponsor
- ModernaTX, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,713 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Culver City, California
- Conditions
- COVID-19 Pneumonia, COVID-19
- Interventions
- Pfizer COVID-19 mRNA vaccine, Moderna COVID-19 mRNA vaccine
- Biological
- Lead sponsor
- Methodist Health System
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 100 participants
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- COVID-19, Kidney Transplant
- Interventions
- Sanofi-GSK monovalent (B.1.351) CoV2 preS dTM-AS03 COVID-19 vaccine
- Biological
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 6
- States / cities
- San Diego, California • San Francisco, California • Atlanta, Georgia + 3 more
- Conditions
- Hematopoietic and Lymphatic System Neoplasm
- Interventions
- SARS-CoV-2 mRNA Vaccine ARCT-021, Tozinameran, Biospecimen Collection, Electronic Health Record Review, Survey Administration
- Biological · Procedure · Other
- Lead sponsor
- Fred Hutchinson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 56 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2029
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- 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
- Conditions
- Covid-19, Subjects Vaccinated Against Covid-19
- Interventions
- Change in SARS-CoV-2 Antibody Levels
- Other
- Lead sponsor
- Dr. Sidney J. Stohs
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 10,000 participants
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Southlake, Texas
- Conditions
- Covid19, SARS-CoV2 Infection
- Interventions
- Study-provided Moderna mRNA-1273 COVID-19 vaccine, Community-provided Moderna mRNA-1273 COVID-19 Vaccine, Community-Provided Pfizer-BioNTech BNT162b2 COVID-19 Vaccine
- Biological
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 43 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 6
- States / cities
- Los Angeles, California • San Diego, California • Chicago, Illinois + 3 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
- 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
- Multiple Sclerosis
- Interventions
- SARS-COV-2 mRNA Vaccine
- Drug
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 64 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 2
- States / cities
- Denver, Colorado • New York, New York
- Conditions
- Covid19
- Interventions
- Moderna mRNA-1273 COVID-19 vaccine, Pfizer BNT162b2 COVID-19 vaccine
- Biological
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 66 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 16
- States / cities
- Los Angeles, California • San Francisco, California • Stanford, California + 11 more
- 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
- 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
- Conditions
- X-linked Agammaglobulinemia, XLA, Primary Immune Deficiency, CVID, Common Variable Immunodeficiency, Primary Antibody Deficiencies, Secondary Hypogammaglobulinemia
- Interventions
- Not listed
- Lead sponsor
- Duke University
- Other
- Eligibility
- 6 Months and older
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 3
- States / cities
- St. Petersburg, Florida • Chapel Hill, North Carolina • Durham, North Carolina
- Conditions
- Covid19
- Interventions
- COVID-19 vaccine
- Biological
- Lead sponsor
- Corewell Health East
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 11,834 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Royal Oak, Michigan