Skip to main content

Efgartigimod Alfa Dosage

Medically reviewed by Last updated on Apr 12, 2022.

Applies to the following strengths: 400 mg/20 mL

Usual Adult Dose for Myasthenia Gravis

10 mg/kg IV once weekly for 4 weeks


Use: For the treatment of generalized myasthenia gravis in patients who are anti-acetylcholine receptor antibody positive.

Renal Dose Adjustments

Mild renal dysfunction (estimated GFR [eGFR] 60 to 89 mL/min/1.73 m2): No adjustment recommended.
Moderate to severe renal dysfunction (eGFR less than 6059 mL/min/1.73 m2): Data not available

Liver Dose Adjustments

No adjustment recommended



Safety and efficacy have not been established in patients younger than 18 years.

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Administration advice:

MISSED DOSE: If a scheduled infusion is missed, it may be administered up to 3 days after scheduled; original dosing schedule should be resumed until treatment cycle is complete.

Storage requirements:

Reconstitution/preparation techniques:

IV compatibility:



Patient advice:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.