# Tolerability, Safety and Immunogenicity Trial of the Flu-M Tetra Vaccine in Children

> **NCT05739474** · PHASE3 · UNKNOWN · sponsor: **St. Petersburg Research Institute of Vaccines and Sera** · enrollment: 948 (estimated)

## Conditions studied

- Influenza
- Influenza, Human
- Influenza Viral Infections
- Vaccine Reaction

## Interventions

- **BIOLOGICAL:** Influenza vaccine [inactivated]
- **BIOLOGICAL:** Influenza vaccine [inactivated]

## Key facts

- **NCT ID:** NCT05739474
- **Lead sponsor:** St. Petersburg Research Institute of Vaccines and Sera
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-01-19
- **Primary completion:** 2023-06-30
- **Final completion:** 2023-12-30
- **Target enrollment:** 948 (ESTIMATED)
- **Last updated:** 2023-08-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05739474

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05739474, "Tolerability, Safety and Immunogenicity Trial of the Flu-M Tetra Vaccine in Children". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT05739474. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*