# A Non-interventional, Post-authorisation Safety Study of Patients Treated With Efgartigimod Alfa

> **NCT06298565** · — · RECRUITING · sponsor: **argenx** · enrollment: 680 (estimated)

## Conditions studied

- Myasthenia Gravis

## Interventions

- **BIOLOGICAL:** efgartigimod

## Key facts

- **NCT ID:** NCT06298565
- **Lead sponsor:** argenx
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2024-11-04
- **Primary completion:** 2034-06
- **Final completion:** 2034-06
- **Target enrollment:** 680 (ESTIMATED)
- **Last updated:** 2026-02-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06298565

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06298565, "A Non-interventional, Post-authorisation Safety Study of Patients Treated With Efgartigimod Alfa". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT06298565. Licensed CC0.

---

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