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A Phase 3, Randomized, Open-Label, Parallel-Group Study to Compare the Pharmacodynamics, Pharmacokinetics, Efficacy, Safety, Tolerability, and Immunogenicity of Multiple Subcutaneous Injections of Efgartigimod PH20 SC with Multiple Intravenous Infusions of Efgartigimod in Patients with Generalized Myasthenia Gravis (ADAPT)

Rationale:The aim of this study is to investigate the pharmacodynamics (PD), pharmacokinetics (PK), safety, tolerability, immunogenicity, and clinical efficacy of efgartigimod coformulated with recombinant human hyaluronidase PH20 (rHuPH20)…

Open-label Extension of the ARGX-113-1802 Trial to Investigate the Long-term Safety, Tolerability, and Efficacy of Efgartigimod PH20 SC in Patients with Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

This study has been transitioned to CTIS with ID 2023-507885-21-00 check the CTIS register for the current data. Primary objective:- To assess the long-term safety and tolerability of efgartigimod PH20 SC (efgartigimod co formulated with recombinant…

A Long-Term, Single-Arm, Open-label, Multicenter Phase 3 Study to Evaluate the Safety and Tolerability of Multiple Subcutaneous Injections of Efgartigimod PH20 SC in Patients With Generalized Myasthenia Gravis

Primary:To evaluate the long-term safety and tolerability of efgartigimod PH20 SC in participants with Generalized Myasthenia Gravis (gMG).Secondary:• To evaluate the impact of efgartigimod PH20 SC on disease severity• To evaluate the effect of…