# Safety and Efficacy of Inactivated SARS-CoV-2 Vaccine in Immune-related Myopathy (Myasthenia Gravis and Inflammatory Myopathy) Patients ：a Prospective Observational Study

> **NCT04941079** · — · UNKNOWN · sponsor: **First Affiliated Hospital of Chongqing Medical University** · enrollment: 70 (estimated)

## Conditions studied

- Covid19
- Myopathy

## Interventions

- **OTHER:** no intervention

## Key facts

- **NCT ID:** NCT04941079
- **Lead sponsor:** First Affiliated Hospital of Chongqing Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-06-30
- **Primary completion:** 2021-12-31
- **Final completion:** 2021-12-31
- **Target enrollment:** 70 (ESTIMATED)
- **Last updated:** 2021-06-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04941079

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04941079, "Safety and Efficacy of Inactivated SARS-CoV-2 Vaccine in Immune-related Myopathy (Myasthenia Gravis and Inflammatory Myopathy) Patients ：a Prospective Observational Study". Retrieved via AI Analytics 2026-06-10 from https://api.ai-analytics.org/clinical/NCT04941079. Licensed CC0.

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