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Data updated: Mar 10, 2026

VYVGART HYTRULO

EFGARTIGIMOD ALFA AND HYALURONIDASE-QVFC Neonatal Fc Receptor Blockers
Immunology Approved 2023-06-20

VYVGART HYTRULO is a combination therapy indicated for the treatment of specific autoimmune disorders in adult patients. It is approved for use in adults with generalized myasthenia gravis (gMG) who are anti-acetylcholine receptor (AChR) antibody positive. The medication is also indicated for the treatment of adult patients with chronic inflammatory demyelinating polyneuropathy (CIDP). As a coformulation of a neonatal Fc receptor blocker and an endoglycosidase, it provides a therapeutic option for managing these chronic neuromuscular and neurological conditions.

Source: FDA Label • ARGENX BV • Neonatal Fc Receptor Blocker

How VYVGART HYTRULO Works

The medication consists of efgartigimod alfa, which binds to the neonatal Fc receptor (FcRn) to reduce circulating IgG levels. By blocking this receptor, the drug decreases the presence of antibodies that contribute to disease pathology. The second component, hyaluronidase, is an endoglycosidase that depolymerizes hyaluronan to increase the permeability of subcutaneous tissue. This effect facilitates drug delivery and is transient, with tissue permeability returning to normal within 24 to 48 hours.

Source: FDA Label
5
Indications
--
Phase 3 Trials
2
Priority Reviews
2
Years on Market

Details

Status
Prescription
First Approved
2023-06-20
Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

VYVGART HYTRULO Approval History

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What VYVGART HYTRULO Treats

2 indications

VYVGART HYTRULO is approved for 2 conditions since its original approval in 2023. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Myasthenia Gravis
  • Chronic Inflammatory Demyelinating Polyneuropathy
Source: FDA Label
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Key Completed Trials

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

VYVGART HYTRULO FDA Label Details

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Indications & Usage

FDA Label (PDF)

VYVGART HYTRULO is indicated for the treatment of adult patients with: generalized myasthenia gravis (gMG) who are anti-acetylcholine receptor (AChR) antibody positive chronic inflammatory demyelinating polyneuropathy (CIDP) VYVGART HYTRULO is a combination of efgartigimod alfa, a neonatal Fc receptor blocker, and hyaluronidase, an endoglycosidase, indicated for the treatment of adult patients with: generalized myasthenia gravis (gMG) who are anti-acetylcholine receptor (AChR) antibody positive chronic inflammatory demyelinating polyneuropathy (CIDP)

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.