# A Multi-center, Open-labelled, Randomized, Controlled, Extended Phase Ⅲ Clinical Trial of sIPV Vaccine

> **NCT05850364** · PHASE3 · COMPLETED · sponsor: **Sinovac Biotech Co., Ltd** · enrollment: 1442 (actual)

## Conditions studied

- Poliomyelitis
- Polio

## Interventions

- **BIOLOGICAL:** Sabin Strain Inactivated Poliovirus Vaccine

## Key facts

- **NCT ID:** NCT05850364
- **Lead sponsor:** Sinovac Biotech Co., Ltd
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-05-22
- **Primary completion:** 2025-02-13
- **Final completion:** 2025-02-13
- **Target enrollment:** 1442 (ACTUAL)
- **Last updated:** 2025-12-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05850364

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05850364, "A Multi-center, Open-labelled, Randomized, Controlled, Extended Phase Ⅲ Clinical Trial of sIPV Vaccine". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT05850364. Licensed CC0.

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