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

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

Timeline

Start

2026-04-09

Primary completion

2026-04-23

Completion

2026-05-09

Drugs

Indications