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First received: August 18, 2023

Clinical Trial: Long-term Follow-up Study to Evaluate Safety and Immunogenicity of PXVX0317 Single or Booster Vaccination

Study Status: Completed

Recruit Status: RECRUITING

Condition: Chikungunya Virus Infection

Study Type: INTERVENTIONAL


Official Title: A Long-term Follow-up Study to Evaluate Safety and Immunogenicity of a Chikungunya Virus Virus-like Particle Vaccine (PXVX0317) in Healthy Adults and Adolescents After Either a Single or Booster Vacci

Brief Summary: The purpose of this phase 3 multicenter, randomized, double-blind, placebo-controlled rollover study is to evaluate the safety and long-term immunogenicity of PXVX0317 in adult and adolescent participants and to evaluate PXVX0317 booster vaccine induced serum neutralizing antibody (SNA) response at 3, 4, or 5 years post-initial PXVX0317 vaccination.

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