2022
Serum Autoantibody Lowering by the Anti-FcRn Monoclonal Antibody, Nipocalimab, Correlates With Clinical Improvement in Generalized Myasthenia Gravis Patients
Ramchandren S, Guptill J, Antozzi C, Bril V, Gamez J, Meuth S, Nowak R, Quan D, Mantecon M, Ling L, Zhu Y, Karcher K, Sun H. Serum Autoantibody Lowering by the Anti-FcRn Monoclonal Antibody, Nipocalimab, Correlates With Clinical Improvement in Generalized Myasthenia Gravis Patients. Neurology 2022, 99: s35-s37. DOI: 10.1212/01.wnl.0000903304.73134.e3.Peer-Reviewed Original ResearchPhase 2 studyMyasthenia gravis patientsClinical improvementGravis patientsMonoclonal antibodiesAnti-AChR autoantibodiesMuSK-positive patientsMyasthenia Gravis ActivitiesDaily living scoreSerum total IgGSerum IgG levelsMG-ADL scoreNeonatal Fc receptorGMG patientsClinical responseDose armLiving scorePathogenic autoantibodiesPositive patientsIgG levelsPathogenic antibodiesIgG autoantibodiesPharmacodynamic effectsSerum IgGTotal IgG
2020
Monovalent IgG4 autoantibodies require self-antigen driven affinity maturation to acquire pathogenic capacity
Fichtner M, Vieni C, Redler R, Jiang R, Suarez P, Nowak R, Burden S, Bhabha G, Ekiert D, O’Connor K. Monovalent IgG4 autoantibodies require self-antigen driven affinity maturation to acquire pathogenic capacity. The Journal Of Immunology 2020, 204: 224.39-224.39. DOI: 10.4049/jimmunol.204.supp.224.39.Peer-Reviewed Original ResearchMuSK myasthenia gravisMyasthenia gravisUnmutated common ancestorPathogenic capacityB-cell-mediated autoimmune diseasesAntigen-driven affinity maturationCell-mediated autoimmune diseaseMuscle-specific tyrosine kinaseSubset of patientsAutoreactive B cellsMonovalent antigen-binding fragmentsAffinity maturationHuman monoclonal autoantibodiesUnique autoantibodiesIgG4 autoantibodiesPathogenic autoantibodiesAutoimmune disordersAutoimmune responseAutoimmune diseasesSelf antigensIgG4 subclassAutoantibodiesMG autoantibodiesB cellsFab-arm exchange