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

> **NCT07545564** · PHASE4 · ENROLLING_BY_INVITATION · sponsor: **Changchun BCHT Biotechnology Co.** · enrollment: 200 (estimated)

## Conditions studied

- Influenza

## Interventions

- **BIOLOGICAL:** LAIV
- **BIOLOGICAL:** Placebo

## Key facts

- **NCT ID:** NCT07545564
- **Lead sponsor:** Changchun BCHT Biotechnology Co.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2026-04-09
- **Primary completion:** 2026-04-23
- **Final completion:** 2026-05-09
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2026-04-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07545564

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07545564, "A Study on Mucosal Specific IgA Immunokinetics After Administration of Nasal Spray Live Attenuated Influenza Vaccine". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT07545564. Licensed CC0.

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