Tokyo, Sept. 26 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000059193) titled 'Study about the third booster varicella vaccination' on Sept. 25.

Study Type: Interventional

Study Design: Basic Design - Single arm Randomization - Non-randomized Blinding - Open -no one is blinded Control - Uncontrolled

Primary Sponsor: Institute - Konan Kosei Hospital

Condition: Condition - varicella Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - We investigate prevalence of anti-VZV antibodies after routine two-dose varicella vaccination and evaluate immunogenicity and safety of the third booster varicella vaccination. Basic objectives2 - Safety,Efficacy

Intervention: Interventions/Control_1 - For the children that the agreement of the protector was obtained, we conduct blood sampling for measurement of anti-VZV antibody. We do booster varicella vaccination to children with less than 16 of IAHA antibody titers and conduct blood sampling for measurement of anti-VZV antibody 4-6 weeks later. We investigate clinical reactions (body temperature, rash, local reactions of the injection site, etc.) for 4 weeks after the booster vaccination.

Eligibility: Age-lower limit - 5 years-old

Gender - Male and Female Key inclusion criteria - The children who came to this hospital for the purpose of the second MR vaccination and had received routine two-dose varicella vaccination in this hospital, and the children that protectors agreed to the study Key exclusion criteria - The children of non-enforcement of antibody measurement before and after the two routine varicella vaccinations, and the children that the third booster varicella vaccination is inappropriate Target Size - 30

Recruitment Status: Recruitment status - Preinitiation Date of protocol fixation - 2025 Year 09 Month 17 Day Anticipated trial start date - 2025 Year 10 Month 01 Day Last follow-up date - 2029 Year 12 Month 31 Day

To know more, visit https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000067702

Disclaimer: Curated by HT Syndication.