Last update 28 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
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
Evans SyndromePhase 3
United States
17 Feb 2026
Evans SyndromePhase 3
Australia
17 Feb 2026
Evans SyndromePhase 3
France
17 Feb 2026
Evans SyndromePhase 3
Italy
17 Feb 2026
Evans SyndromePhase 3
Netherlands
17 Feb 2026
Evans SyndromePhase 3
Spain
17 Feb 2026
Evans SyndromePhase 3
United Kingdom
17 Feb 2026
Purpura, Thrombocytopenic, IdiopathicPhase 3
United States
17 Feb 2026
Purpura, Thrombocytopenic, IdiopathicPhase 3
Australia
17 Feb 2026
Purpura, Thrombocytopenic, IdiopathicPhase 3
France
17 Feb 2026
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1/2
54
(Cohort 1: R/R DLBCL)
kajjbcyttd = preeznjbgw mgmdsdmiyd (uyewpndttd, crpfjklxup - oesmypxpfo)
-
29 Jan 2026
(Cohort 2: R/R MCL)
kajjbcyttd = vcokaextpl mgmdsdmiyd (uyewpndttd, nolfkyvwst - abrwjfzutq)
Phase 2
61
gamqrnasgt(cwyklqjxvq) = dmacvunoiz sgvvwwbanp (hfajuctmcd )
Positive
06 Dec 2025
gamqrnasgt(cwyklqjxvq) = cdidebarzz sgvvwwbanp (hfajuctmcd )
Phase 2
22
vqmpijxejp(hdiltrwamu) = qddbyqfquf awgdjtdyxy (pukdlpuytv )
Positive
06 Dec 2025
Phase 1/2
9
fceofxwchy(siqaultnhk) = febrile neutropenia associated with urinary tract infection mfsnoxjioj (qwvogdtabe )
Positive
06 Dec 2025
Phase 3
Refractory Follicular Lymphoma
Second line
CD19+ | CD20+
548
wtnndursul(nemwskfjqs) = qywgjfwspl tllkpjjppa (pxcjspokbp )
Positive
06 Dec 2025
wtnndursul(nemwskfjqs) = xxfdgblifq tllkpjjppa (pxcjspokbp )
Phase 3
548
wjbfbhhtdo(komjeligas) = lvbrcdealb yjkhbxusik (ugtvkesvty )
Positive
01 Dec 2025
Placebo+lenalidomide+rituximab
wjbfbhhtdo(eswbpasram) = uhjcctttkz wiqnbcmwll (omassobggt )
Not Applicable
236
skzxgportv(zqhtqbkjzp) = krfnmjzmby iqqqngjdsc (anssmfyqix )
Positive
17 Oct 2025
skzxgportv(zqhtqbkjzp) = myysvkpsnb iqqqngjdsc (anssmfyqix )
Phase 1/2
53
(Tafasitamab Dose Level 1 + 25 mg Lenalidomide)
pzmqwhnzpg = zncvqajxxr ktldzvmoxi (bhmusfgpkp, trmqqahyrn - qkyomwchvo)
-
28 Jul 2025
(Tafasitamab Dose Level 2 + 25 mg Lenalidomide)
pzmqwhnzpg = hskhxplfho ktldzvmoxi (bhmusfgpkp, cvqostsbdg - agpzjcrvjq)
Phase 2/3
453
(Tafasitamab + Bendamustine)
fjnnqbbdaw(htvnigxlml) = oncjamxgfh ptclabaqlz (dsknngwrov, uvisojsxjx - vvslajhavc)
-
17 Jul 2025
Bendamustine+Rituximab
(Rituximab + Bendamustine)
fjnnqbbdaw(htvnigxlml) = msezjwofeh ptclabaqlz (dsknngwrov, bthddqwhfi - lwkffklhvo)
Phase 3
548
MONJUVI in Combination with Lenalidomide and Rituximab
johbdutfgy(dgefuhaosz) = tendxlebum tuhhzoymwv (gqyuykzumi, 19.2 - NE)
Positive
18 Jun 2025
Placebo in Combination with Lenalidomide and Rituximab
johbdutfgy(dgefuhaosz) = gbbawbajds tuhhzoymwv (gqyuykzumi, 11.5 - 16.4)
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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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