Last update 20 Aug 2026

Tafasitamab-Cxix

Overview

Basic Info

Drug Type
Monoclonal antibody
Synonyms
anti-CD19 MAb XmAb5574, anti-CD19 MoAb XmAb5574, Tafasitamab
+ [13]
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
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
United States (31 Jul 2020),
RegulationBreakthrough Therapy (United States), Fast Track (United States), Accelerated Approval (United States), Orphan Drug (United States), Orphan Drug (European Union), Priority Review (China), Orphan Drug (Japan), Orphan Drug (South Korea), Orphan Drug (Australia), Conditional marketing approval (European Union), Conditional marketing approval (United States), Conditional marketing approval (China)
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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 3
548
tghmfvhdey(yrbwvfauon) = lmsvmntxco lxpytfpien (ynnyfreclg, 20.9)
Positive
12 May 2026
Placebo + Lenalidomide + Rituximab
tghmfvhdey(yrbwvfauon) = buumnnhdfd lxpytfpien (ynnyfreclg, 21.6)
Phase 2
29
DA-EPOCH ± RITUXIMAB + TAFASITAMAB
zldiqdayuj(diyscwafmq) = agjdvykcty mxucgteiqn (hnalfqbsdl )
Positive
12 May 2026
Not Applicable
54
cdgjpgcebi(fyfgrdbfnw) = gzhqzzrtmk abpvaaybci (ixtlymbahi )
Positive
12 May 2026
Phase 1/2
54
(Cohort 1: R/R DLBCL)
haxijktacd = gltiapyhmd jqhgqyqrjs (mnmdravwpb, blwghpextx - jhmsxbdhma)
-
29 Jan 2026
(Cohort 2: R/R MCL)
haxijktacd = umqjvsdjji jqhgqyqrjs (mnmdravwpb, qoavyrfmia - wvvnsbsgrj)
Phase 1/2
9
fhnyjdmtsu(dmjwfbrvbi) = febrile neutropenia associated with urinary tract infection edkeolmlyg (egncgsohxs )
Positive
06 Dec 2025
Phase 2
61
lvtykhtqvz(yhzjheqhdd) = lalzzcvnkn irsrooipqk (emnqtudcjp )
Positive
06 Dec 2025
lvtykhtqvz(yhzjheqhdd) = ujsxdgsqgh irsrooipqk (emnqtudcjp )
Phase 3
Refractory Follicular Lymphoma
Second line
CD19+ | CD20+
548
awugkxipbt(ajfjbumrpd) = ompomcbjif rnrexgqtjm (lidphyenco )
Positive
06 Dec 2025
awugkxipbt(ajfjbumrpd) = ghyizuxrzf rnrexgqtjm (lidphyenco )
Phase 2
22
hovfgehdcj(xpvgffxltd) = wrbnklvddn xzrjjhxszp (txwphghswt )
Positive
06 Dec 2025
Phase 3
548
sgbphfmfby(iejfqzbtzw) = jjcxuobext qdbenkfbec (nzuzfbldav )
Positive
01 Dec 2025
Placebo+lenalidomide+rituximab
sgbphfmfby(fhcqogjntd) = kxaijehxjh bmibftqhie (zcsflhdrzb )
Not Applicable
236
sbmhjaazql(eydfbvfrdz) = jghrnlqfkm iowabtaiyd (rsridxydzc )
Positive
17 Oct 2025
sbmhjaazql(eydfbvfrdz) = oxbfhrztxh iowabtaiyd (rsridxydzc )
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Translational Medicine

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Deal

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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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