Vaccination Clinical Trials
A listing of Vaccination medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.
Found 554 clinical trials
Test SSO Now 2 Update
Please see section 3 of the full protocol Please see section 3 of the full protocol Please see section 3 of the full protocol
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- 23 Feb, 2026
- 1 location
- Online study
Study of Mixed Vaccination Schedules With a 21-valent Pneumococcal Conjugate Vaccine and a 20-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age
This study is a Phase 3, randomized, modified double-blind study which aims to measure whether the investigational pneumococcal conjugate vaccine PCV21 is safe and can help the body to develop germ-fighting agents called "antibodies" (immunogenicity) when it is given after 1 dose, 2 doses, or 3 doses of a licensed …
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- 25 Apr, 2025
A Study of Ad26.COV2.S in Adults
The purpose of the study is to assess the safety, reactogenicity, and immunogenicity of Ad26.COV2.S at 2 dose levels, administered intramuscularly (IM) as a single-dose or 2-dose schedule, with a single booster vaccination administered in one cohort, in healthy adults aged greater than or equal to 18 to less than …
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- 05 Aug, 2020
Safety and Immunogenicity of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the Russian Federation and Mexico
Primary Objective: To describe the antibody titers to the antigens (meningococcal serogroups A, C, Y, and present in MenACYW conjugate vaccine or Menveo measured by serum bactericidal assay using human complement (hSBA), for Groups 1 and 2 when administered concomitantly with routine pediatric vaccines in healthy infants and toddlers in …
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- 08 Dec, 2020
- 9 locations
Safety and Immunogenicity of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the Russian Federation and Mexico (MET33)
Primary Objective: To describe the antibody titers to the antigens (meningococcal serogroups A, C, Y, and present in MenACYW conjugate vaccine or Menveo® measured by serum bactericidal assay using human complement (hSBA), for Groups 1 and 2 when administered concomitantly with routine pediatric vaccines in healthy infants and toddlers in …
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- 17 Nov, 2021
- 11 locations
Study of a Novel Multicomponent Meningococcal Group B Vaccine When Given Alone or With Other Licensed Vaccines in Adults, Adolescents, Toddlers and Infants
Primary Objective:To describe the safety profile of the SP MenB vaccine formulations and the 2 licensed MenB comparator vaccines in healthy adults, adolescents, toddlers and infants, when administered alone (Stages 1-4) or concomitantly with MenQuadfiTM (MenACYW conjugate vaccine) (for Stages 2-4 only), and with age-appropriated routine pediatric vaccines (for Stages …
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- 13 Sep, 2023
- 23 locations
Study of a Novel Multicomponent Meningococcal Group B Vaccine When Given Alone or With Other Licensed Vaccines in Adults, Adolescents, Toddlers and Infants
Primary Objective:To describe the safety profile of the SP MenB vaccine formulations and the 2 licensed MenB comparator vaccines in healthy adults, adolescents, toddlers and infants, when administered alone (Stages 1-4) or concomitantly with MenQuadfiTM (MenACYW conjugate vaccine) (for Stages 2-4 only), and with age-appropriated routine pediatric vaccines (for Stages …
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- 06 May, 2024
- 6 locations
Immunogenicity and Safety Study of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers
The primary objective of this study is to demonstrate the non-inferiority of the vaccine seroresponse to meningococcal serogroups A, C, Y, and W following administration of 2 doses of MenACYW conjugate vaccine compared to 2 doses of MENVEO when given concomitantly with routine pediatric vaccines to infants and toddlers 6 …
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- 04 Dec, 2020
- 47 locations
Safety and Immunogenicity Study of an Inactivated SARS-CoV-2 Vaccine for Preventing Against COVID-19
This study is a randomized, double-blinded, and placebo-controlled phase Ia/IIa clinical trial of the Inactivated SARS-CoV-2 Vaccine to evaluate the safety and immunogenicity of the vaccine in healthy people aged 18~59 Years.
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- 16 Feb, 2024
- 1 location