U.S., Aug. 28 -- ClinicalTrials.gov registry received information related to the study (NCT07144202) titled 'Study on the Persistence of Immunity Following EV71 Vaccination' on Aug. 20.
Brief Summary: This is a thirteen-year follow-up study conducted as an extension of a Phase III clinical trial. In this study, a sub-cohort of volunteers who was eligible for enrollment and randomly administrated either 2 dose EV71 vaccine or placebo in the phase III clinical trial was selected to evaluate the EV71 immune levels 13 years after the primary vaccination.
Study Start Date: Aug. 10
Study Type: OBSERVATIONAL
Condition:
Hand, Foot, and Mouth Disease
Hand, Foot, and Mouth Disease (HFMD)
Recruitment Status: ENROLLING_BY_INVITATION
Sponsor: Ins...