1
Effectiveness and Use of COVID-19 Vaccines Using Information From the California State Vaccine Registry
Condition(s):SARS-CoV-2; COVID-19; Post-Acute COVID-19 SyndromeLast Updated:September 14, 2023Not yet recruiting
Pfizer-BioNTech COVID-19 Bivalent MRNA Vaccine: 10 Clinical Trials
Hide Studies Not Open or Pending
2
Assessing Safety of Coronavirus Infection (COVID-19) Messenger RNA (mRNA) Vaccine Administration in the Setting of a Previous Adverse Reaction
Condition(s):COVID-19; Corona Virus InfectionLast Updated:April 27, 2023Recruiting
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Immunocompromised Swiss Cohorts Based Trial Platform
Condition(s):Immunocompromised PatientsLast Updated:October 20, 2022Active, not recruiting
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Immunogenicity and Reactogenicity of the Beta-variant Recombinant Protein Booster Vaccine (VidPrevtyn Beta, Sanofi) Compared to a Bivalent mRNA Vaccine (Comirnaty Original/Omicron BA.4-5, BioNTech-Pfizer) in Adults Previously Vaccinated With at Least 3 Doses of COVID-19 mRNA Vaccine
Condition(s):Vaccine Reaction; COVID-19Last Updated:June 29, 2023Active, not recruiting
5
The Safety of Administering a Second Dose of a COVID-19 mRNA Vaccine in Individuals Who Experienced a Systemic Allergic Reaction to an Initial Dose
Condition(s):Systemic Allergic ReactionLast Updated:March 23, 2023Completed
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Bringing Optimised COVID-19 Vaccine Schedules To ImmunoCompromised Populations (BOOST-IC): an Adaptive Randomised Controlled Clinical Trial
Condition(s):HIV; Organ Transplantation; Lymphoma, Non-Hodgkin; Chronic Lymphocytic Leukemia; Multiple Myeloma; COVID-19 VaccinesLast Updated:June 1, 2023Recruiting
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Pfizer-BioNTech COVID-19 BNT162b2 Vaccine Effectiveness Study – Kaiser Permanente Southern California
Condition(s):COVID-19Last Updated:June 27, 2023Recruiting
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This Study Intends to Describe the Characteristics of Patients Given the Pfizer-BioNTech Bivalent mRNA COVID-19 Vaccine and Any Commercially Available Influenza Vaccines at the Same Time Versus at Different Times.
Condition(s):Influenza, Human; COVID-19Last Updated:June 1, 2023Completed
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COVID-19 Fourth Dose Study in Australia
Condition(s):COVID-19Last Updated:December 9, 2022Withdrawn
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An Observational Study of Moderna COVID-19 Bivalent Vaccines (Original and Omicron BA.4/BA.5) and 2023 Updated mRNA COVID-19 Vaccines (XBB.1.5)
Condition(s):COVID-19Last Updated:September 21, 2023Recruiting