Drugs / Inebilizumab
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Inebilizumab

also known as Medi-551 · Inebilizumab cdon · UPLIZNA

Monoclonal antibody targets CD19 via depletion

Developed for
neuromyelitis optica · neuromyelitis optica spectrum disorder with anti-AQP4 antibodies · generalized myasthenia gravis · immunoglobulin G4-related sclerosing disease · plasma cell myeloma · aggressive B-cell non-Hodgkin lymphoma · anti-HLA hyperimmunization · autoimmune hepatitis
+11 more · autoimmune pancreatitis type 1 · B-cell neoplasm · chronic lymphocytic leukemia/small lymphocytic lymphoma · diffuse large B-cell lymphoma · membranous glomerulonephritis · multiple sclerosis · neoplasm of mature B-cells · scleroderma · systemic lupus erythematosus · systemic sclerosis · autoimmune encephalitis
Investigated by
Amgen · MedImmune LLC · Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins · AstraZeneca · Charite University, Berlin, Germany · First Affiliated Hospital of Wenzhou Medical University
+20 more · First Affiliated Hospital of Zhejiang University · First Hospital of China Medical University · Hansoh BioMedical R&D Company · Horizon Therapeutics Ireland DAC · Massachusetts General Hospital · Patient-Centered Outcomes Research Institute · Ruijin Hospital · Second Affiliated Hospital of Soochow University · Shengjing Hospital · Songjiang Hospital Affiliated to Shanghai Jiao Tong University School of Medicine · Tanabe Pharma Corporation · The Affiliated Hospital of Qingdao University · The First Affiliated Hospital of Nanchang University · The First Affiliated Hospital of University of Science and Technology of China · The First People's Hospital of Yunnan · The Sumaira Foundation · The Third Affiliated Hospital of Soochow University · Tianjin Medical University General Hospital · Zhongshan Hospital Affiliated to Xiamen University · Zunyi Medical College

Regulatory milestones approvals, filings & regulatory actions · 6 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed IgG4-related kidney disease 2 milestones
Filed China (NMPA) XINYUE IgG4-related kidney disease 2025-03-04

“Second Biologics License Application of XINYUE (Inebilizumab Injection) has been accepted by the National Medical Products Administration (the “NMPA”), which is for the...” hspharm.com ↗

Filed US (FDA) UPLIZNA IgG4-related kidney disease 2025-02-04

“The FDA accepted the regulatory submission for the Phase 3 MITIGATE study under priority review” amgen.com ↗

Approved Indication not stated 3 milestones
Label expansions (2) US (FDA) UPLIZNA — 2025-04-03 – 2025-12-11 fda.gov ↗
Approved EU (EMA) Uplizna — 2022-04-25 europa.eu ↗
Approved US (FDA) UPLIZNA — 2020-06-11 fda.gov ↗

Trials 25

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT01861340 May 2014 → Apr 2016 plasma cell myeloma Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Completed No outcome recorded
Phase 13 trials
Phase 1 NCT01585766 Apr 2012 → Jan 2015 multiple sclerosis MedImmune LLC Completed No outcome recorded
Phase 1 NCT01957579 May 2011 → Sep 2015 neoplasm of mature B-cells AstraZeneca Completed No outcome recorded
Phase 1 NCT00946699 Mar 2010 → Mar 2012 scleroderma MedImmune LLC Completed No outcome recorded
Phase 1/22 trials
Phase 1/2 NCT02271945 Dec 2014 → May 2016 aggressive B-cell non-Hodgkin lymphoma MedImmune LLC Completed No outcome recorded
Phase 1/2 NCT00983619 Apr 2010 → Mar 2019 B-cell neoplasm, cancer MedImmune LLC Completed No outcome recorded
Phase 28 trials · 2 missed
Phase 2 NCT07222553 Jul 2026 → Jun 2031 expected immunoglobulin G4-related sclerosing disease Amgen Not yet recruiting No outcome recorded
Phase 2 NCT06987539 Jul 2026 → Mar 2030 expected generalized myasthenia gravis Amgen Recruiting No outcome recorded
Phase 2 NCT06570798 Jul 2025 → Aug 2028 expected rheumatoid arthritis, systemic lupus erythematosus Amgen Recruiting No outcome recorded
Phase 2 NCT05549258 Jul 2023 → Apr 2027 expected neuromyelitis optica spectrum disorder with anti-AQP4 antibodies Amgen Recruiting No outcome recorded
Phase 2 NCT04174677 Dec 2019 → Dec 2021 anti-HLA hyperimmunization Amgen Withdrawn No outcome recorded Stop: Enrollment
Phase 2 NCT03218163 Sep 2017 → Apr 2018 plasma cell myeloma Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Terminated No outcome recorded
Phase 2 NCT01453205 Feb 2012 → Jul 2016 diffuse large B-cell lymphoma MedImmune LLC Completed Missed primary
Phase 2 NCT01466153 Feb 2012 → Jan 2016 chronic lymphocytic leukemia/small lymphocytic lymphoma MedImmune LLC Completed Missed primary
Phase 2/31 trial · 1 met primary
Phase 2/3 NCT02200770 Apr 2015 → Oct 2018 neuromyelitis optica MedImmune LLC Completed Met primary
Phase 35 trials · 2 met primary
Phase 3 NCT07851220 Oct 2026 → Sep 2031 expected membranous glomerulonephritis Amgen Recruiting No outcome recorded
Phase 3 NCT07598825 Sep 2026 → Jul 2031 expected autoimmune hepatitis Amgen Not yet recruiting No outcome recorded
Phase 3 NCT05198557 Jul 2022 → Jul 2025 overdue systemic sclerosis Tanabe Pharma Corporation Active not recruiting No outcome recorded
Phase 3 NCT04540497 Dec 2020 → Apr 2024 overdue immunoglobulin G4-related sclerosing disease Amgen Active not recruiting Met primary
Phase 3 NCT04524273 Oct 2020 → May 2024 overdue generalized myasthenia gravis Amgen Active not recruiting Met primary
Phase 44 trials
Phase 4 NCT07010302 Sep 2026 → Jan 2030 expected neuromyelitis optica spectrum disorder with anti-AQP4 antibodies Massachusetts General Hospital Recruiting No outcome recorded
Phase 4 NCT07862075 Oct 2025 → Sep 2028 expected autoimmune pancreatitis type 1 Ruijin Hospital Recruiting No outcome recorded
Phase 4 NCT06180278 Apr 2024 → Jun 2028 expected neuromyelitis optica Amgen Active not recruiting No outcome recorded
Phase 4 NCT06212245 Feb → Dec 2024 neuromyelitis optica Hansoh BioMedical R&D Company Unknown No outcome recorded
Phase not applicable1 trial
— NCT07159893 Sep 2025 → May 2026 overdue CNS demyelinating autoimmune disease, neuromyelitis optica spectrum disorder with anti-AQP4 antibodies First Affiliated Hospital of Wenzhou Medical University Not yet recruiting No outcome recorded
Comparator or background therapy3 trials
Phase 2 NCT04372615 Comparator Mar 2022 → Sep 2028 expected autoimmune encephalitis University of Utah Recruiting No outcome recorded
Phase 3 NCT07132398 Comparator Sep 2025 → Aug 2027 expected neuromyelitis optica spectrum disorder with anti-AQP4 antibodies Tianjin Medical University General Hospital Not yet recruiting No outcome recorded
— NCT06590051 Background — — Amgen Approved for marketing No outcome recorded

News releases announcing trial results or a regulatory action · 28

DateIssuerRelease
2026-09-16 Tanabe Pharma Corporation Regulatory Tanabe Pharma Receives Approval in Japan for additional indication of generalized Myasthenia Gravis Anti-CD19 monoclonal antibody UPLIZNA® for I.V. Infusion 100 mg tanabe-pharma.com ↗
Tanabe Pharma Corporation (Head Office: Chuo-ku, Osaka; Representative Director, CEO: Akihisa Harada; hereinafter "Tanabe Pharma") announced today that it has received approval from Japan’s Ministry of Health, Labour and Welfare for an additional indication for UPLIZNA® for intravenous infusion 100 mg (generic name: Inebilizumab (Genetical Recombination), hereinafter "UPLIZNA®") for the treatment of generalized Myasthenia Gravis (gMG) in patients who do not respond adequately to corticosteroids or non- steroidal immunosuppressants.
2026-06-03 Amgen Results AMGEN TO PRESENT NEW DATA ACROSS RARE AUTOIMMUNE AND INFLAMMATORY DISEASES AT EULAR 2026 amgen.com ↗
New data from the Phase 3 MITIGATE trial of UPLIZNA ® (inebilizumab) provide insights into the biology of immunoglobulin G4-related disease (IgG4-RD), 1 while additional analyses support its long-term safety profile and sustained results in IgG4-RD.
2026-04-03 Jiangsu Hansoh Pharmaceutical Co., Ltd. Regulatory HANSOH PHARMA – XINYUE’S THIRD INDICATION APPROVED FOR MARKETING FOR THE TREATMENT OF GENERALIZED MYASTHENIA GRAVIS IN ADULT PATIENTS hspharm.com ↗
XINYUE (Inebilizumab Injection) has been approved by the National Medical Products Administration (NMPA) for marketing
2026-03-30 Hansoh BioMedical R&D Company Regulatory 翰森制药 | 昕越®第三项适应症获批上市,用于治疗全身型重症肌无力成人患者 hansoh.cn ↗
此次获批gMG为昕越®在中国获批的第三项罕见病适应症.
2026-02-12 Amgen Regulatory EUROPEAN COMMISSION APPROVES AMGEN'S UPLIZNA® FOR GENERALIZED MYASTHENIA GRAVIS amgen.com ↗
2025-12-11 Amgen Regulatory FDA APPROVES UPLIZNA® FOR ADULTS WITH GENERALIZED MYASTHENIA GRAVIS amgen.com ↗
Amgen (NASDAQ:AMGN) today announced that the U.S. Food and Drug Administration (FDA) has approved UPLIZNA ® (inebilizumab-cdon) for the treatment of generalized myasthenia gravis (gMG) in adults who are anti-acetylcholine receptor (AChR) and anti-muscle specific tyrosine kinase (MuSK) antibody positive.
2025-11-20 Tanabe Pharma Corporation Regulatory Anti-CD19 monoclonal antibody UPLIZNAⓇ for I.V. Infusion 100mg Approval for additional indication of suppression of relapse of immunoglobulin G4-related disease in Japan ~Japan’s First Drug Approved for IgG4-Related Disease~ tanabe-pharma.com ↗
UPLIZNA is the first pharmaceutical product approved in Japan for IgG4-RD.
2025-10-14 Tanabe Pharma Corporation Regulatory Anti-CD19 monoclonal antibody UPLIZNA® for I.V. Infusion 100mg Application for additional indication of generalized Myasthenia Gravis in Japan tanabe-pharma.com ↗
Mitsubishi Tanabe Pharma Corporation (Head Office: Chuo-ku, Osaka; Representative Director, CEO: Akihisa Harada, “MTPC”) filed an application with the Ministry of Health, Labour and Welfare for an additional indication of the anti-CD19 monoclonal antibody UPLIZNA Ⓡ for intravenous infusion 100mg (generic name: Inebilizumab (Genetical Recombination), hereinafter UPLIZNA) for the treatment of generalized Myasthenia Gravis (gMG) on October 14, 2025.
2025-09-06 Jiangsu Hansoh Pharmaceutical Co., Ltd. Regulatory DRUG REGISTRATION APPROVAL OF THE SECOND INDICATION OF XINYUE (INEBILIZUMAB INJECTION) WAS GRANTED BY THE NATIONAL MEDICAL PRODUCTS ADMINISTRATION hspharm.com ↗
This is the second indication of XINYUE which has been approved in China, this indication was included in the Priority Review and Approval Procedure by the NMPA on February 8, 2025.
2025-05-31 Jiangsu Hansoh Pharmaceutical Co., Ltd. Regulatory HANSOH PHARMA ANNOUNCES THE THIRD BIOLOGICS LICENSE APPLICATION OF XINYUE(INEBILIZUMAB INJECTION) ACCEPTED BY NMPA FOR THE TREATMENT OF GENERALIZED MYASTHENIA GRAVIS IN ADULT PATIENTS hspharm.com ↗
Third Biologics License Application of XINYUE (Inebilizumab Injection) has been accepted by the National Medical Products Administration (the “NMPA”),
2025-05-30 Hansoh BioMedical R&D Company Regulatory 翰森制药 | 昕越®第三项上市许可申请获受理,用于治疗全身型重症肌无力成人患者 hansoh.cn ↗
2025年5月30日,翰森制药集团有限公司(以下简称“翰森制药”,03692. HK)宣布,昕越®(伊奈利珠单抗注射液)第三项上市许可申请(BLA)获国家药品监督管理局(NMPA)受理,用于治疗全身型重症肌无力(gMG)成人患者.
2025-04-08 Hansoh BioMedical R&D Company Results AAN 2025 | 翰森制药昕越®十余项研究成果入选全球神经病学盛会,中国罕见病治疗实践获全球关注 hansoh.cn ↗

All press releases naming this drug 32 releases

DateIssuerRelease

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 31 sources stand behind the page.

FieldValueCited text
Known as Inebilizumab ClinicalTrials.gov intervention name — accepted as the source's own label NCT07851220 ↗
17

NCT06570798 ↗

NCT07159893 ↗

NCT07132398 ↗

NCT07598825 ↗

NCT04372615 ↗

NCT06212245 ↗

NCT06180278 ↗

NCT02200770 ↗

NCT07222553 ↗

NCT07862075 ↗

Show 7 more sources

Known as Inebilizumab cdon ChEMBL registry synonym — accepted as the source's own label CHEMBL2109334 ↗
Known as Medi-551 “Inebilizumab (MEDI-551), an anti-CD19 antibody with enhanced antibody-dependent cell-mediated cytotoxicity against B cells, is currently being evaluated in MS and neuromyelitis optica.” PMID 27886126 ↗ Nov 2016
10

“Medi-551 maintenance therapy will be initiated on Day 60, Day 90, or Day 120” NCT03218163 ↗

NCT00983619 ↗

NCT01585766 ↗

NCT02271945 ↗

NCT00946699 ↗

NCT01861340 ↗

NCT03218163 ↗

NCT01453205 ↗

NCT01466153 ↗

NCT01957579 ↗

Known as UPLIZNA ClinicalTrials.gov intervention name — accepted as the source's own label NCT06590051 ↗
Action Deplete “mediates antibody-dependent, cell-mediated cytotoxicity of B cells” PMID 27267753 ↗ Jun 2016
Modality Monoclonal antibody “MEDI-551 is an investigational humanized monoclonal antibody” PMID 27267753 ↗ Jun 2016
Route Intravenous “A single intravenous dose of MEDI-551 was administered” PMID 27267753 ↗ Jun 2016
Target CD19 “targets the B cell surface antigen CD19” PMID 27267753 ↗ Jun 2016