# A Study Evaluating the Safety and Immunogenicity of MVA Strain Monkeypox Attenuated Live Vaccine

> **NCT06771479** · PHASE1 · RECRUITING · sponsor: **Shanghai Institute Of Biological Products** · enrollment: 120 (estimated)

## Conditions studied

- Monkeypox

## Interventions

- **BIOLOGICAL:** MVA strain monkeypox attenuated live vaccine (low dose)
- **BIOLOGICAL:** MVA strain monkeypox attenuated live vaccine (high dose)
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT06771479
- **Lead sponsor:** Shanghai Institute Of Biological Products
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-01-22
- **Primary completion:** 2026-01-30
- **Final completion:** 2026-05-30
- **Target enrollment:** 120 (ESTIMATED)
- **Last updated:** 2025-10-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06771479

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06771479, "A Study Evaluating the Safety and Immunogenicity of MVA Strain Monkeypox Attenuated Live Vaccine". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT06771479. Licensed CC0.

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