Drugs / Ofatumumab
last change Jul 2026 re-read 2 minutes ago

Ofatumumab

Monoclonal antibody targets MS4A1

Developed for
chronic lymphocytic leukemia/small lymphocytic lymphoma · B-cell chronic lymphocytic leukemia · multiple sclerosis · diffuse large B-cell lymphoma · follicular lymphoma · non-Hodgkin lymphoma · mantle cell lymphoma · relapsing-remitting multiple sclerosis
+31 more · rheumatoid arthritis · B-cell acute lymphoblastic leukemia · B-cell non-Hodgkin lymphoma · Burkitt lymphoma · lymphoma · idiopathic nephrotic syndrome · leukemia · lymphoblastic lymphoma · marginal zone lymphoma · prolymphocytic leukemia · Richter transformation · Waldenstrom macroglobulinemia · acute lymphoblastic leukemia · adult acute lymphoblastic leukemia · anti-NMDA receptor encephalitis · cancer · childhood acute lymphoblastic leukemia · chronic graft versus host disease · chronic leukemia · high grade B-cell lymphoma with MYC and/ or BCL2 and/or BCL6 rearrangement · high-grade B-cell lymphoma double-hit/triple-hit · Hodgkins lymphoma · indolent B-cell non-Hodgkin lymphoma · lymphoid leukemia · metastatic melanoma · neoplasm of mature B-cells · neuromyelitis optica spectrum disorder with anti-AQP4 antibodies · nodular lymphocyte predominant Hodgkin lymphoma · pemphigus · pemphigus vulgaris · precursor B-cell acute lymphoblastic leukemia
Investigated by
GlaxoSmithKline · Novartis Pharmaceuticals · National Cancer Institute (NCI) · M.D. Anderson Cancer Center · Novartis · Cephalon
+81 more · Celgene Corporation · Gilead Sciences · Dana-Farber Cancer Institute · GIMEMA Foundation · H. Lee Moffitt Cancer Center and Research Institute · National Comprehensive Cancer Network · SCRI Development Innovations, LLC · Gaslini Institute · Nevada Cancer Institute · Roswell Park Cancer Institute · Spanish Lymphoma Cooperative Group · Alliance for Clinical Trials in Oncology · Beth Israel Deaconess Medical Center · Brigham and Women's Hospital · Brno University Hospital · Brown University · C. Babis Andreadis · Cancer Research UK · Chugai Pharma USA · Dartmouth-Hitchcock Medical Center · Emory University · Faculty Hospital Kralovske Vinohrady · Fondazione IRCCS Istituto Nazionale dei Tumori, Milano · Fondazione Italiana Linfomi - ETS · French Innovative Leukemia Organisation · General Teaching Hospital, Prague · Genmab · Georgetown University · German CLL Study Group · Grupo Espanol de trasplantes hematopoyeticos y terapia celular · Henan Provincial People's Hospital · Januario Castro, M.D. · Jazz Pharmaceuticals · Joseph Tuscano · Massachusetts General Hospital · Mayo Clinic · Medical University of South Carolina · Medical University of Vienna · Memorial Hospital of Rhode Island · Memorial Sloan Kettering Cancer Center · Michael John Robertson · Millennium Pharmaceuticals, Inc. · NCRI CLL Subgroup · Napp Pharmaceuticals Limited · National Cancer Centre, Singapore · National Heart, Lung, and Blood Institute (NHLBI) · Niguarda Hospital · Northwestern University · OHSU Knight Cancer Institute · Ohio State University · Oncology Specialists, S.C. · Oxford University Hospitals NHS Trust · PETHEMA Foundation · Pfizer · Pharmacyclics LLC. · Polish Lymphoma Research Group · Regione Lombardia · Rhode Island Hospital · Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University · Southern Europe New Drug Organization · Tang-Du Hospital · Technical University Dresden · The Cleveland Clinic · The First People's Hospital of Changzhou · The Lymphoma Academic Research Organisation · The Miriam Hospital · UNC Lineberger Comprehensive Cancer Center · University Health Network, Toronto · University Hospital Dresden · University Hospital Hradec Kralove · University Hospital Schleswig-Holstein · University Hospital Ulm · University Hospital of Cologne · University of California, San Francisco · all 87 on the full record

Regulatory milestones approvals, filings & regulatory actions · 6 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (4) US (FDA) KESIMPTA 2014-04-17 – 2020-08-20 fda.gov
Approved EU (EMA) Arzerra 2010-04-19 europa.eu
Approved US (FDA) KESIMPTA 2009-10-26 fda.gov

Trials 121 · started per year

today
US approved 2009
EU approved 2010
2
1
1
2
7
5
24
26
13
7
2
6
4
2
3
1
3
5
4
2
20052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 18 trials
Phase 1 NCT02614508 Jan 2016 → Aug 2019 chronic lymphocytic leukemia/small lymphocytic lymphoma Emory University Terminated No outcome recorded
Phase 1 NCT01768338 Feb 2013 → Mar 2016 non-Hodgkin lymphoma Michael John Robertson Completed No outcome recorded
Phase 1 NCT01691807 Jan 2013 → Dec 2015 cancer Novartis Pharmaceuticals Completed No outcome recorded
Phase 1 NCT01352312 May 2011 → Apr 2016 B-cell chronic lymphocytic leukemia Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University Terminated No outcome recorded
Phase 1 NCT01110031 May 2010 → Apr 2012 B-cell chronic lymphocytic leukemia GlaxoSmithKline Completed No outcome recorded
Phase 1 NCT01088048 Mar 2010 → Apr 2015 B-cell chronic lymphocytic leukemia, mantle cell lymphoma Gilead Sciences Completed No outcome recorded
Phase 1 NCT00742144 Sep 2008 → Nov 2009 chronic lymphocytic leukemia/small lymphocytic lymphoma, follicular lymphoma GlaxoSmithKline Completed No outcome recorded
Phase 1 NCT00686868 Jun 2008 → Mar 2011 rheumatoid arthritis GlaxoSmithKline Completed No outcome recorded
Phase 1/28 trials
Phase 1/2 NCT05504694 Jun 2022 → Apr 2026 overdue neuromyelitis optica spectrum disorder with anti-AQP4 antibodies Tang-Du Hospital Recruiting No outcome recorded
Phase 1/2 NCT01680965 Nov 2012 → Aug 2020 chronic graft versus host disease H. Lee Moffitt Cancer Center and Research Institute Completed No outcome recorded
Phase 1/2 NCT01515176 Jan 2012 → Mar 2015 chronic lymphocytic leukemia/small lymphocytic lymphoma, prolymphocytic leukemia National Cancer Institute (NCI) Completed No outcome recorded
Phase 1/2 NCT01217749 Dec 2010 → Jun 2013 Richter transformation, chronic lymphocytic leukemia/small lymphocytic lymphoma, prolymphocytic leukemia Pharmacyclics LLC. Completed No outcome recorded
Phase 1/2 NCT01221103 Apr 2010 → Apr 2012 mantle cell lymphoma Southern Europe New Drug Organization Unknown No outcome recorded
Phase 1/2 NCT01060384 Mar 2010 → Oct 2016 non-Hodgkin lymphoma University of Nebraska Completed No outcome recorded
Phase 1/2 NCT00093314 Oct 2004 → Jan 2007 B-cell chronic lymphocytic leukemia GlaxoSmithKline Withdrawn No outcome recorded
Phase 1/2 NCT00092274 Sep 2004 → Jan 2005 follicular lymphoma GlaxoSmithKline Withdrawn No outcome recorded
Phase 274 trials
Phase 2 NCT03488225 Mar 2018 → Apr 2020 B-cell acute lymphoblastic leukemia M.D. Anderson Cancer Center Terminated No outcome recorded
Phase 2 NCT03249714 Mar 2018 → Dec 2019 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 2 NCT03280160 Sep 2017 → Jul 2018 B-cell chronic lymphocytic leukemia PETHEMA Foundation Unknown No outcome recorded
Phase 2 NCT03136146 Aug 2017 → Aug 2027 expected B-cell acute lymphoblastic leukemia, Burkitt lymphoma, high-grade B-cell lymphoma double-hit/triple-hit M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 2 NCT02689141 Feb 2016 → Jul 2017 chronic lymphocytic leukemia/small lymphocytic lymphoma German CLL Study Group Completed No outcome recorded
Phase 2 NCT02419469 Nov 2015 → Jun 2017 lymphoblastic lymphoma, precursor B-cell acute lymphoblastic leukemia M.D. Anderson Cancer Center Terminated No outcome recorded
Phase 2 NCT02388048 Oct 2015 → Apr 2024 chronic leukemia GIMEMA Foundation Completed No outcome recorded
Phase 2 NCT02394106 Jul 2015 → Jun 2019 idiopathic nephrotic syndrome Gaslini Institute Terminated No outcome recorded
Phase 2 NCT02394119 Jun 2015 → Jun 2018 idiopathic nephrotic syndrome Gaslini Institute Completed No outcome recorded
Phase 2 NCT02199184 Jan 2015 → Feb 2023 Burkitt lymphoma, acute lymphoblastic leukemia, high grade B-cell lymphoma with MYC and/ or BCL2 and/or BCL6 rearrangement M.D. Anderson Cancer Center Completed No outcome recorded
Phase 322 trials
Phase 3 NCT06867991 Nov 2024 → Nov 2026 expected anti-NMDA receptor encephalitis The First People's Hospital of Changzhou Recruiting No outcome recorded
Phase 3 NCT04926818 Oct 2021 → Mar 2026 overdue multiple sclerosis Novartis Pharmaceuticals Active not recruiting No outcome recorded
Phase 3 NCT04788615 Jul 2021 → Nov 2025 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 3 NCT04486716 Oct 2020 → Nov 2023 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 3 NCT04510220 Sep 2020 → Dec 2022 multiple sclerosis Brigham and Women's Hospital Completed No outcome recorded
Phase 3 NCT04353492 Jul 2020 → Oct 2024 relapsing-remitting multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 3 NCT03650114 Dec 2018 → Sep 2028 expected multiple sclerosis Novartis Pharmaceuticals Active not recruiting No outcome recorded
Phase 3 NCT02792218 Sep 2016 → Jul 2019 relapsing-remitting multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 3 NCT02792231 Aug 2016 → Jul 2019 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 3 NCT02613910 Dec 2015 → Mar 2016 pemphigus GlaxoSmithKline Terminated No outcome recorded
Phase 49 trials
Phase 4 NCT06444113 Nov 2024 → Feb 2026 overdue multiple sclerosis Novartis Pharmaceuticals Active not recruiting No outcome recorded
Phase 4 NCT05199571 Jul 2022 → Feb 2025 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 4 NCT05090371 Mar 2022 → Apr 2027 expected relapsing-remitting multiple sclerosis Novartis Pharmaceuticals Active not recruiting No outcome recorded
Phase 4 NCT05084638 Jan 2022 → Feb 2025 relapsing-remitting multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 4 NCT04878211 Jun 2021 → Apr 2023 multiple sclerosis Novartis Pharmaceuticals Terminated No outcome recorded
Phase 4 NCT04869358 May 2021 → May 2022 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 4 NCT04667117 Jan 2021 → Jul 2023 multiple sclerosis Novartis Pharmaceuticals Completed No outcome recorded
Phase 4 NCT03535298 Jan 2019 → Jul 2027 expected relapsing-remitting multiple sclerosis The Cleveland Clinic Active not recruiting No outcome recorded
Phase 4 NCT00802737 Jan 2009 → Sep 2011 chronic lymphocytic leukemia/small lymphocytic lymphoma GlaxoSmithKline Completed No outcome recorded
Also used as a comparator or background therapy in 13 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT07546110 Background May 2026 → Dec 2027 expected multiple sclerosis The Affiliated Hospital of Xuzhou Medical University Not yet recruiting No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT01458366 Background Nov 2011 → Aug 2018 non-Hodgkin lymphoma Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University Completed No outcome recorded
Phase 24 trials
Phase 2 NCT04189588 Comparator Mar → Nov 2020 TerSera Therapeutics LLC Completed No outcome recorded
Phase 2 NCT02877303 Background Nov 2016 → Nov 2026 expected B-cell acute lymphoblastic leukemia, lymphoblastic lymphoma M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 2 NCT00494780 Comparator Jun 2007 → Apr 2009 follicular lymphoma GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT00410163 Comparator Jan 2007 → Mar 2009 B-cell chronic lymphocytic leukemia GlaxoSmithKline Completed No outcome recorded
Phase 37 trials
Phase 3 NCT07189325 Comparator Jun 2026 → Jun 2031 expected relapsing-remitting multiple sclerosis University Hospital, Montpellier Recruiting No outcome recorded
Phase 3 NCT06869785 Comparator Mar 2025 → Jan 2026 overdue relapsing-remitting multiple sclerosis Novartis Pharmaceuticals Active not recruiting No outcome recorded
Phase 3 NCT04047628 Background Dec 2019 → Oct 2026 expected relapsing-remitting multiple sclerosis, secondary progressive multiple sclerosis National Institute of Allergy and Infectious Diseases (NIAID) Recruiting No outcome recorded
Phase 3 NCT02049515 Comparator Dec 2013 → Jun 2020 chronic lymphocytic leukemia/small lymphocytic lymphoma SecuraBio Completed No outcome recorded
Phase 3 NCT02004522 Comparator Nov 2013 → May 2017 chronic lymphocytic leukemia/small lymphocytic lymphoma SecuraBio Completed No outcome recorded

Press releases naming this drug 29 releases

DateIssuerRelease
2025-09-24 Novartis Pharmaceuticals New Novartis data further support benefits of Kesimpta® in relapsing MS following switch from oral disease modifying therapies novartis.com
2025-03-25 Novartis Pharmaceuticals Novartis to present new data at AAN, including seven-year disability outcomes and safety analysis of Kesimpta® in people with relapsing multiple sclerosis novartis.com
2024-09-18 Novartis Pharmaceuticals New Novartis data in relapsing MS reinforce benefits of Kesimpta® for first-line and switch patients novartis.com
2024-04-17 Novartis Pharmaceuticals Novartis Kesimpta® six-year efficacy data show substantial benefits in recently diagnosed treatment- naïve people with relapsing multiple sclerosis novartis.com
2023-06-30 Novartis Pharmaceuticals Novartis publishes new five-year efficacy data on Kesimpta® (ofatumumab) for the treatment of relapsing multiple sclerosis novartis.com
2023-04-20 Novartis Pharmaceuticals Novartis presents new five-year data on disability outcomes and safety of Kesimpta® (ofatumumab) in people living with relapsing multiple sclerosis novartis.com
2022-06-27 Novartis Pharmaceuticals New Novartis extension phase data show nearly 80% of RMS patients treated with Kesimpta® (ofatumumab) had no evidence of disease activity (NEDA-3) novartis.com
2022-04-05 Novartis Pharmaceuticals Novartis presents new four-year data on efficacy and safety of Kesimpta® (ofatumumab) in people living with relapsing multiple sclerosis novartis.com
2022-03-18 Novartis Pharmaceuticals New peer-reviewed research shows no increased risk of serious COVID-19 infections in Kesimpta® (ofatumumab)-treated adults with multiple sclerosis novartis.com
2022-03-02 Novartis Pharmaceuticals Novartis peer-reviewed safety and tolerability data further strengthens Kesimpta’s (ofatumumab) favorable benefit-risk profile in patients with relapsing multiple sclerosis novartis.com
2021-10-14 Novartis Pharmaceuticals Kesimpta® (ofatumumab) data at ECTRIMS highlights preservation of IgG levels and safety experience over extended exposure (~3.5 years) in people living with relapsing multiple sclerosis novartis.com
2021-06-22 Novartis Pharmaceuticals Kesimpta® (ofatumumab) data show long-term preservation of IgG/IgM levels and no increased risk of serious infections in people living with multiple sclerosis novartis.com

Evidence & citations 18 cited values

Every value below carries the sentence it was read from. 142 sources stand behind the page.

FieldValueCited text
Known as ofatumumab Ofatumumab is a human monoclonal antibody that binds to a unique CD20 epitope on the surface of B lymphocytes, resulting in efficient lysis of CD20-expressing cells via...” PMID 25103870 Aug 2014
130

“This study will evaluate whether ofatumumab is excreted at quantifiable levels and at which concentrations in breast milk of lactating women with RMS).” NCT06444113

Ofatumumab is a unique monoclonal antibody that targets a distinct small loop epitope on the CD20 molecule.” PMID 18390837 Apr 2008

Ofatumumab will be administered by IV infusion” NCT03280160

Ofatumumab 300 mg IV day -8” NCT01612988

ofatumumab (Kesimpta®)” NCT04047628

“Kesimpta (ofatumumab)” NCT03535298

NCT00802737

NCT02689141

NCT01848145

NCT01077622

NCT01444716

NCT05199571

NCT01195714

NCT01191190

NCT01626352

NCT01458366

NCT00349349

NCT01244451

NCT01195766

NCT01078922

NCT01532700

NCT03650114

NCT07546110

NCT01010568

NCT01361711

NCT01190449

NCT01363128

NCT01527149

NCT01187303

NCT01077518

NCT01457924

NCT01613300

NCT02199184

NCT01352312

NCT00823719

NCT01088048

NCT02049515

NCT01221103

NCT03249714

NCT02877303

NCT01014208

NCT00655824

NCT01258933

NCT02135133

NCT01716208

NCT01243190

NCT01465334

NCT00686868

NCT01263418

NCT04353492

NCT01920477

NCT01536067

NCT01200589

NCT02792231

NCT02792218

NCT01520922

NCT03488225

NCT01762202

NCT01217749

NCT01171378

NCT04788615

NCT05504694

NCT01768338

NCT01515176

NCT02419469

NCT01060384

NCT01024010

NCT01329900

NCT01437709

NCT02004522

NCT00603525

NCT04926818

NCT00811733

NCT00410163

NCT01580228

NCT01108341

NCT01691807

NCT01578707

NCT00494780

NCT04667117

NCT01113632

NCT01555541

NCT05084638

NCT02710643

NCT02388048

NCT00640328

NCT04869358

NCT00611455

NCT01376713

NCT01110031

NCT06869785

NCT02614508

NCT05090371

NCT01313689

NCT00742144

NCT07189325

NCT01286272

NCT04486716

NCT01123356

NCT01481272

NCT06867991

NCT04878211

NCT03136146

NCT00748189

NCT02613910

NCT01239394

NCT01125787

NCT01310101

NCT01659021

NCT00394836

NCT01681563

NCT01397591

NCT01294579

NCT01496976

NCT01145209

NCT01039376

NCT01119794

NCT01809847

NCT01680965

NCT01455051

NCT04510220

NCT01678430

NCT01563055

NCT00622388

NCT02394106

NCT02394119

NCT01002755

NCT01131247

NCT01497496

NCT02412267

Known as Arzerra ArzerraNCT04189588
Known as Azerra “Ofatumumab (Azerra) + bendamustine (Trenda)” NCT01131247
1

“Ofatumumab (Azerra)” NCT01125787

Known as GSK1841157 “A Phase I/II, a Single Arm, Open-label Study of Ofatumumab (GSK1841157) in Patients With Previously Treated Chronic Lymphocytic Leukemia” NCT01077622
3

“Ofatumumab (GSK1841157), a clear colorless liquid, is supplied in a glass vial.” NCT00742144

“ofatumumab (GSK1841157) infusion” NCT01563055

“ofatumumab (GSK1841157) infusion” NCT00748189

Known as GSKI841157 ChEMBL registry synonym — accepted as the source's own label CHEMBL1201836
Known as HuMax-CD20 “This trial consists of a double-blind, placebo controlled, dose escalation part with randomization to trial treatment within each of three sequential cohorts (Part A), and a...” NCT00291928
4

“A Single-Arm, International, Multi-Center Trial of HuMax-CD20 (Ofatumumab), a Fully Human Monoclonal Anti-CD20 Antibody, in Patients With Follicular Lymphoma Who Are Refractory...” NCT00394836

“Ofatumumab (HuMax-CD20) is a human monoclonal antibody targeting a distinct small-loop epitope on the CD20 molecule.” PMID 20194866 Mar 2010

NCT00092274

NCT00093314

Known as HUMAX-CD20 2F2 ChEMBL registry synonym — accepted as the source's own label CHEMBL1201836
Known as Kesimpta ChEMBL registry synonym — accepted as the source's own label CHEMBL1201836
Known as Kesimpta (ofatumumab) Kesimpta (ofatumumab)NCT03535298
Known as OFA “BACKGROUND: Ofatumumab (OFA) is a fully humanized, anti-CD20 antibody approved for use in chronic lymphocytic leukemia (CLL).” PMID 28687625 Jul 2017
3

“the fully humanized anti-CD20 antibody ofatumumab (OFA) induced remission in children with MRNS” PMID 31993781 Jan 2020

Ofatumumab (OFA), a fully humanized anti-CD20 monoclonal antibody” NCT05504694

“integration of Ofatumumab (OFA), a 2nd generation anti-CD20 moAb” PMID 38167647 Jan 2024

Known as Ofatumumab (HuMax-CD20; ARZERRA) Ofatumumab (HuMax-CD20; ARZERRA)NCT01221103
Known as ofatumumab (Kesimpta) “ofatumumab (Kesimpta®)” NCT04047628
Known as OMB “There is currently a need for data regarding whether treatment with ofatumumab (OMB) impacts humoral immune response to vaccines, including the influenza vaccine, in patients...” PMID 40107181 Mar 2025
Known as OMB157 “Participants received non-live COVID-19 mRNA vaccine at least two weeks prior to start of ofatumumab (OMB157) (20 mg subcutaneous).” NCT04878211
Action Deplete “Treatment caused immediate and profound B-cell depletion” PMID 18390837 Apr 2008
Modality Monoclonal antibody “novel fully human anti-CD20 monoclonal antibodyPMID 18390837 Apr 2008
Route Intravenous intravenous ofatumumab” PMID 24443277 Jan 2014
Target MS4A1 “B-lymphocyte antigen CD20 binding agent” CHEMBL1201836