# To Explore a Bridging Index for the Effectiveness of the Clinical Trial

> **NCT04825340** · NA · UNKNOWN · sponsor: **Changchun BCHT Biotechnology Co.** · enrollment: 450 (estimated)

## Conditions studied

- Randomized

## Interventions

- **BIOLOGICAL:** Nasal Spray Lyophilized Live Attenuated Influenza Vaccine

## Key facts

- **NCT ID:** NCT04825340
- **Lead sponsor:** Changchun BCHT Biotechnology Co.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-04-16
- **Primary completion:** 2022-03-25
- **Final completion:** 2022-03-25
- **Target enrollment:** 450 (ESTIMATED)
- **Last updated:** 2021-04-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04825340

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04825340, "To Explore a Bridging Index for the Effectiveness of the Clinical Trial". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04825340. Licensed CC0.

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