Clinical Trial: A Study on Mucosal Specific IgA Immunokinetics After Administration of Nasal Spray Live Attenuated Influenza Vaccine

U.S., April 23 -- ClinicalTrials.gov registry received information related to the study (NCT07545564) titled 'A Study on Mucosal Specific IgA Immunokinetics After Administration of Nasal Spray Live Attenuated Influenza Vaccine' on April 16.

Brief Summary: Mucosal-specific sIgA antibody GMT;Evaluate the achievement of 2-fold and 4-fold increases in the geometric mean titer (GMT) of specific nasal mucosal sIgA antibodies after vaccination

Study Start Date: April 09

Study Type: INTERVENTIONAL

Condition: Influenza

Intervention: BIOLOGICAL: LAIV

Nasal spray live attenuated influenza vaccine

BIOLOGICAL: Placebo

sterile water

Recruitment Status: ENROLLING_BY_INVITATION

Sponsor: Changchun BCHT Biotechnology Co.

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