| Monoclonal antibody | |
|---|---|
| Type | Whole antibody | 
| Source | Humanized (from mouse) | 
| Target | CD19 | 
| Clinical data | |
| Trade names | Monjuvi, others | 
| Other names | MOR208, Xmab5574, tafasitamab-cxix | 
| AHFS/Drugs.com | Monograph | 
| License data | 
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| Pregnancy category | 
 | 
| Routes of administration | Intravenous | 
| ATC code | |
| Legal status | |
| Legal status | |
| Identifiers | |
| CAS Number | |
| DrugBank | |
| UNII | |
| KEGG | |
| Chemical and physical data | |
| Formula | C6550H10092N1724O2048S52 | 
| Molar mass | 147425.93 g·mol−1 | 
Tafasitamab, sold under the brand name Monjuvi, is an anti-cancer medication used in combination with lenalidomide for the treatment of adults with diffuse large B-cell lymphoma; or, when used in combination with lenalidomide and rituximab, for the treatment of follicular lymphoma. [5] [7] Tafasitamab is a humanized Fc-modified cytolytic CD19 antibody. [5] [8]
Tafasitamab may cause serious side effects including infusion related reactions, bone marrow suppression, infections, and harm to an unborn baby. [9] The most common side effects of tafasitamab are low blood cell counts, fatigue, diarrhea, cough, fever, limb swelling, upper respiratory infection, and decreased appetite. [9]
Tafasitamab was approved for medical use in the United States in July 2020, [9] [8] [10] and in the European Union in August 2021. [6] [11] The US Food and Drug Administration (FDA) considers it to be a first-in-class medication. [12]
Tafasitamab, in combination with lenalidomide, is indicated for the treatment of adults with relapsed or refractory diffuse large B-cell lymphoma. [5]
In the EU, tafasitamab (Minjuvi) is indicated in combination with lenalidomide followed by tafasitamab monotherapy for the treatment of adults with relapsed or refractory diffuse large B-cell lymphoma who are not eligible for autologous stem cell transplant. [6]
In June 2025, the US Food and Drug Administration (FDA) expanded the indication for tafasitamab, in combination with lenalidomide and rituximab, for adults with relapsed or refractory follicular lymphoma. [7]
The US Food and Drug Administration (FDA) approved tafasitamab based primarily on evidence from one clinical trial (NCT02399085) of 81 participants 42 to 86 years old. [9] Participants in the trial had lymphoma that relapsed or did not improve after prior treatments. [9] The trial was conducted at 35 sites in the United States and Europe. [9] At first, participants received tafasitamab in combination with lenalidomide and later tafasitamab alone following a specific schedule during each 28-day treatment cycle. [9] Treatment continued until disease progression or unacceptable side effects. [9] Both participants and health care providers knew which treatment had been given. [9] The benefit of tafasitamab was evaluated by measuring how many participants had a complete or partial tumor shrinkage and how long that response lasted (called best overall response rate). [9]
Efficacy for the treatment of follicular lymphoma was evaluated in inMIND, a double-blind, placebo-controlled trial (NCT04680052) randomizing 548 participants with relapsed or refractory follicular lymphoma to receive tafasitamab or placebo with lenalidomide and rituximab. [7] Participants had received a median of one prior line of systemic therapy; 25% and 20% had two and three or more prior lines, respectively. [7] The FDA granted the application for tafasitamab priority review and orphan drug designations for follicular lymphoma. [7]
Tafasitamab is the international nonproprietary name (INN). [13]
Tafasitamab is sold under the brand names Monjuvi [5] and Minjuvi. [6]
 This article incorporates text from this source, which is in the  public domain .
 This article incorporates text from this source, which is in the  public domain . This article incorporates text from this source, which is in the  public domain .
 This article incorporates text from this source, which is in the  public domain .