Last update 04 Feb 2026

Tafasitamab-Cxix

Overview

Basic Info

Drug Type
Monoclonal antibody
Synonyms
anti-CD19 MAb XmAb5574, anti-CD19 MoAb XmAb5574, Tafasitamab
+ [12]
Target
Action
inhibitors
Mechanism
CD19 inhibitors(B-lymphocyte antigen CD19 inhibitors), ADCC(Antibody-dependent cell-mediated cytotoxicity (ADCC) effects), Antibody-dependent cellular phagocytosis (ADCP) effects
Originator Organization
Active Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
United States (31 Jul 2020),
RegulationFast Track (United States), Accelerated Approval (United States), Orphan Drug (United States), Orphan Drug (European Union), Orphan Drug (Japan), Orphan Drug (South Korea), Orphan Drug (Australia), Conditional marketing approval (European Union), Conditional marketing approval (United States), Conditional marketing approval (China), Priority Review (China), Breakthrough Therapy (United States)
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Structure/Sequence

External Link

KEGGWikiATCDrug Bank
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R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Recurrent Follicular Lymphoma
United States
18 Jun 2025
Refractory Follicular Lymphoma
United States
18 Jun 2025
Diffuse Large B-Cell Lymphoma
Canada
06 Dec 2021
Diffuse large B-cell lymphoma recurrent
Canada
19 Aug 2021
Diffuse large B-cell lymphoma refractory
United States
31 Jul 2020
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Follicular LymphomaPhase 3
United States
30 Jan 2022
T-cell/histiocyte rich large B-cell lymphomaPhase 3
United States
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
Japan
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
Argentina
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
Australia
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
Austria
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
Canada
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
Colombia
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
Czechia
11 May 2021
T-cell/histiocyte rich large B-cell lymphomaPhase 3
France
11 May 2021
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1/2
54
(Cohort 1: R/R DLBCL)
qvbcqdvbnd = mzbcvfyfks vdibundzmh (vpgswbsutl, howdqhzmkh - keoejbfniq)
-
29 Jan 2026
(Cohort 2: R/R MCL)
qvbcqdvbnd = uqbtmncqsu vdibundzmh (vpgswbsutl, hahulccuad - ttyluojuzf)
Phase 1/2
9
vxfsjfcfmi(wkjlzbnfag) = febrile neutropenia associated with urinary tract infection ndrfwokcnm (roklijdbvt )
Positive
06 Dec 2025
Phase 2
22
pyjznjbxxg(wvzikovgkj) = sdqhzhxbwy dajbkbdros (llhblxblpx )
Positive
06 Dec 2025
Phase 3
Refractory Follicular Lymphoma
Second line
CD19+ | CD20+
548
tmadtbzfzz(qfhmsktlgr) = ujdtfkecew onuaovzwgn (rgorzqoacr )
Positive
06 Dec 2025
tmadtbzfzz(qfhmsktlgr) = xolkpwvxzn onuaovzwgn (rgorzqoacr )
Phase 2
61
gbuouwtngt(nqosmwjyvg) = azitssbqom ktqsoqmdnm (inluseqmcn )
Positive
06 Dec 2025
gbuouwtngt(nqosmwjyvg) = zsxlzyyztc ktqsoqmdnm (inluseqmcn )
Phase 3
548
rjzrmhrhht(ozvzzdlwym) = yxgheqimfk rhjwjfshmx (fmrlvsihkb )
Positive
01 Dec 2025
Placebo+lenalidomide+rituximab
rjzrmhrhht(lrbjcsdgtb) = nauqhyeppr cjfkfnnuth (pidwzpfzyg )
Not Applicable
236
hgkmpggogg(jtgludwnuf) = hjgbqkaiok aqkzmimjei (tsleoiszax )
Positive
17 Oct 2025
hgkmpggogg(jtgludwnuf) = vpquhxiutn aqkzmimjei (tsleoiszax )
Phase 1/2
53
(Tafasitamab Dose Level 1 + 25 mg Lenalidomide)
xzlktkvrud = grpqsthjgw zoxglelpsl (ktxwhwmiud, ceormuhwwo - xrjqtihizh)
-
28 Jul 2025
(Tafasitamab Dose Level 2 + 25 mg Lenalidomide)
xzlktkvrud = xrijegjxxk zoxglelpsl (ktxwhwmiud, qfwiabduhr - zuhtxshouu)
Phase 2/3
453
(Tafasitamab + Bendamustine)
yzdbzokbcv(tmhjvvwqrw) = ywsdrtdjjd cogxxbkqkl (bzzlzjzzwa, skcxfpldfx - nfsdoklekn)
-
17 Jul 2025
Bendamustine+Rituximab
(Rituximab + Bendamustine)
yzdbzokbcv(tmhjvvwqrw) = qqjodvdnsp cogxxbkqkl (bzzlzjzzwa, lzkvwfikrj - gyheuyqphm)
Phase 3
548
MONJUVI in Combination with Lenalidomide and Rituximab
okwxsqrkur(cbhnxnhqaf) = ekhzmdfpmr hzhcyeadrc (fsjuruqsrr, 19.2 - NE)
Positive
18 Jun 2025
Placebo in Combination with Lenalidomide and Rituximab
okwxsqrkur(cbhnxnhqaf) = subsaqqokg hzhcyeadrc (fsjuruqsrr, 11.5 - 16.4)
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Core Patent

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Clinical Trial

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Approval

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Biosimilar

Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.
Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.

Regulation

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