ATC Group: L01FX Other monoclonal antibodies

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of L01FX in the ATC hierarchy

Level Code Title
1 L Antineoplastic and immunomodulating agents
2 L01 Antineoplastic agents
3 L01F Monoclonal antibodies and antibody drug conjugates
4 L01FX Other monoclonal antibodies

Group L01FX contents

Code Title
L01FX01 Edrecolomab
L01FX02 Gemtuzumab ozogamicin
L01FX03 Catumaxomab
L01FX04 Ipilimumab
L01FX05 Brentuximab vedotin
L01FX06 Dinutuximab beta
L01FX07 Blinatumomab
L01FX08 Elotuzumab
L01FX09 Mogamulizumab
L01FX10 Olaratumab
L01FX11 Bermekimab
L01FX12 Tafasitamab
L01FX13 Enfortumab vedotin
L01FX14 Polatuzumab vedotin
L01FX15 Belantamab mafodotin
L01FX16
L01FX17
L01FX18
L01FX19
L01FX20
L01FX21
L01FX22
L01FX23
L01FX24
L01FX25
L01FX26
L01FX27
L01FX28
L01FX29

Active ingredients in L01FX

Active Ingredient Description
Amivantamab

Amivantamab is a low-fucose, fully-human IgG1-based EGFR-MET bispecific antibody with immune cell-directing activity that targets tumours with activating EGFR Exon 20 insertion mutations. Amivantamab binds to the extracellular domains of EGFR and MET. Amivantamab disrupts EGFR and MET signalling functions through blocking ligand binding and enhancing degradation of EGFR and MET, thereby preventing tumour growth and progression.

Blinatumomab

Blinatumomab is a bispecific T-cell engager antibody construct that binds specifically to CD19 expressed on the surface of cells of B-lineage origin and CD3 expressed on the surface of T-cells. It activates endogenous T-cells by connecting CD3 in the T-cell receptor (TCR) complex with CD19 on benign and malignant B-cells. Blinatumomab mediates the formation of a cytolytic synapse between the T-cell and the tumour cell, releasing proteolytic enzymes to kill both proliferating and resting target cells.

Brentuximab vedotin

Brentuximab vedotin is an antibody drug conjugate (ADC) that delivers an antineoplastic agent that results in apoptotic cell death selectively in CD30-expressing tumour cells. Nonclinical data suggest that the biological activity of brentuximab vedotin results from a multi-step process. Binding of the ADC to CD30 on the cell surface initiates internalisation of the ADC-CD30 complex, which then traffics to the lysosomal compartment. Within the cell, a single defined active species, MMAE, is released via proteolytic cleavage. Binding of MMAE to tubulin disrupts the microtubule network within the cell, induces cell cycle arrest and results in apoptotic death of the CD30-expressing tumour cell.

Catumaxomab

Catumaxomab is a trifunctional rat-mouse hybrid monoclonal antibody that is specifically directed against the epithelial cell adhesion molecule (EpCAM) and the CD3 antigen. The EpCAM antigen is overexpressed on most carcinomas. Due to catumaxomab’s binding properties, a concerted immunoreaction against tumour cells is induced which includes different mechanisms of action, resulting in destruction of tumour cells.

Dinutuximab

Dinutuximab is a monoclonal chimeric antibody composed of murine variable heavy and light chain regions and the human constant region for the heavy chain IgG1 and light chain kappa. Dinutuximab reacts specifically with the ganglioside GD2, which is highly expressed on the surface of neuroblastoma cells and minimally expressed on the surface of normal human neurons, peripheral pain fibres, and skin melanocytes.

Elotuzumab

Elotuzumab is an immunostimulatory humanised, IgG1 monoclonal antibody that specifically targets the SLAMF7 (signaling lymphocyte activation molecule family member 7) protein. Elotuzumab directly activates natural killer cells through both the SLAMF7 pathway and Fc receptors enhancing anti-myeloma activity in vitro. Elotuzumab also targets SLAMF7 on myeloma cells and through interactions with Fc receptors on specific immune cells, promotes the killing of myeloma cells through NK cell-mediated antibody-dependent cellular cytotoxicity (ADCC) and macrophage-mediated antibody-dependant cellular phagocytosis (ADCP).

Enfortumab vedotin

Enfortumab vedotin is an antibody drug conjugate (ADC) targeting Nectin-4, an adhesion protein located on the surface of the urothelial cancer cells. It is comprised of a fully human IgG1-kappa antibody conjugated to the microtubule-disrupting agent MMAE via a protease-cleavable maleimidocaproyl valine-citrulline linker. Nonclinical data suggest that the anticancer activity of enfortumab vedotin is due to the binding of the ADC to Nectin-4-expressing cells, followed by internalisation of the ADC-Nectin-4 complex, and the release of MMAE via proteolytic cleavage.

Epcoritamab

Epcoritamab is a humanised IgG1-bispecific antibody that binds to a specific extracellular epitope of CD20 on B cells and to CD3 on T cells. The activity of epcoritamab is dependent upon simultaneous engagement of CD20-expressing cancer cells and CD3-expressing endogenous T cells by epcoritamab that induces specific T-cell activation and T-cell-mediated killing of CD20-expressing cells.

Gemtuzumab ozogamicin

Gemtuzumab ozogamicin is an antibody-drug conjugate (ADC) consisting of a monoclonal antibody that is directed against the antigen CD33, an adhesion protein found on the surface of myeloid leukaemic blasts and immature normal cells of myelomonocytic lineage. The anticancer effect of gemtuzumab ozogamycin is due to the commitment of ADC to cancer cells expressing CD33, with ultimate result the induction of DNA fragment and subsequent cell cycle interruption and finally the apoptotic cell death.

Glofitamab

Glofitamab is a bispecific monoclonal antibody that binds bivalently to CD20 expressed on the surface of B cells and monovalently to CD3 in the T-cell receptor complex expressed on the surface of T cells. By simultaneous binding to CD20 on the B cell and CD3 on the T cell, glofitamab mediates the formation of an immunological synapse with subsequent T-cell activation and proliferation, secretion of cytokines and release of cytolytic proteins that results in the lysis of CD20-expressing B cells.

Ipilimumab

Ipilimumab is a CTLA-4 immune checkpoint inhibitor that blocks T-cell inhibitory signals induced by the CTLA-4 pathway, increasing the number of reactive T-effector cells which mobilize to mount a direct T-cell immune attack against tumour cells.

Loncastuximab tesirine

Loncastuximab tesirine is an antibody-drug conjugate (ADC) targeting CD19. Upon binding to CD19, loncastuximab tesirine is internalised followed by release of SG3199 via proteolytic cleavage. The released SG3199 binds to the DNA minor groove and forms highly cytotoxic DNA interstrand crosslinks, subsequently inducing cell death.

Mirvetuximab soravtansine

Mirvetuximab soravtansine is an antibody-drug conjugate (ADC). The antibody is a chimeric IgG1 directed against folate receptor alpha (FRα). The small molecule, DM4, is a microtubule inhibitor attached to the antibody via a cleavable linker. Upon binding to FRα, mirvetuximab soravtansine is internalized followed by intracellular release of DM4 via proteolytic cleavage.

Mogamulizumab

Mogamulizumab is a defucosylated, humanised IgG1 kappa immunoglobulin that selectively binds to CCR4, a G protein-coupled receptor for CC chemokines that is involved in the trafficking of lymphocytes to various organs including the skin, resulting in depletion of the target cells.

Mosunetuzumab

Mosunetuzumab is an anti-CD20/CD3 T-cell engaging bispecific antibody targeting CD20-expressing B-cells. It is a conditional agonist; targeted B-cell killing is observed only upon simultaneous binding to CD20 on B-cells and CD3 on T-cells. Engagement of both arms of mosunetuzumab results in the formation of an immunologic synapse between a target B cell and a cytotoxic T cell leading to T-cell activation. Subsequent directed release of perforin and granzymes from T-cell activation through the immunologic synapsis induce B-cell lysis leading to cell death.

Naxitamab

Naxitamab-gqgk binds to the glycolipid GD2. GD2 is a disialoganglioside that is overexpressed on neuroblastoma cells and other cells of neuroectodermal origin, including the central nervous system and peripheral nerves. In vitro, naxitamab-gqgk was able to bind to cell surface GD2 and induce complement dependent cytotoxicity (CDC) and antibody dependent cell-mediated cytotoxicity (ADCC).

Olaratumab

Olaratumab is an antagonist of platelet derived growth factor receptor-α (PDGFR-α), expressed on tumour and stromal cells. Olaratumab is a targeted, recombinant, fully human immunoglobulin G subclass 1 (IgG1) monoclonal antibody that specifically binds PDGFR-α, blocking PDGF AA, -BB, and CC binding and receptor activation. As a result, in vitro olaratumab inhibits PDGFRα pathway signalling in tumour and stromal cells. In addition, in vivo olaratumab has been shown to disrupt the PDGFR-α pathway in tumour cells and inhibit tumour growth.

Polatuzumab vedotin

Polatuzumab vedotin is a CD79b-targeted antibody-drug conjugate that preferentially delivers a potent anti-mitotic agent (monomethyl auristatin E, or MMAE) to B-cells, which results in the killing of malignant B-cells. MMAE binds to microtubules and kills dividing cells by inhibiting cell division and inducing apoptosis.

Tafasitamab

Tafasitamab is an Fc-enhanced monoclonal antibody that targets the CD19 antigen expressed on the surface of pre-B and mature B lymphocytes. Upon binding to CD19, tafasitamab mediates B-cell lysis. The Fc modification results in enhanced antibody-dependent cellular cytotoxicity and antibody-dependent cellular phagocytosis.

Talquetamab

Talquetamab is a immunoglobulin G4 proline, alanine, alanine (IgG4 PAA) bispecific antibody directed against GPRC5D and the CD3 receptor on T Cells. Talquetamab promotes enhanced T cell-mediated cytotoxicity through recruitment of CD3-expressing T cells to GPRC5D-expressing cells. Based on the expression of GPRC5D on plasma cells with minimal to no expression detected on B cells and B cell precursors, talquetamab targets multiple myeloma cells particularly.

Teclistamab

Teclistamab is a full-size, IgG4-PAA bispecific antibody that targets the CD3 receptor expressed on the surface of T cells and B cell maturation antigen (BCMA), which is expressed on the surface of malignant multiple myeloma B-lineage cells, as well as late-stage B cells and plasma cells. With its dual binding sites, teclistamab is able to draw CD3+ T cells in close proximity to BCMA+ cells, resulting in T cell activation and subsequent lysis and death of BCMA+ cells, which is mediated by secreted perforin and various granzymes stored in the secretory vesicles of cytotoxic T cells.

Tremelimumab

Tremelimumab is a selective, fully human IgG2 antibody that blocks CTLA-4 interaction with CD80 and CD86, thus enhancing T-cell activation and proliferation, resulting in increased T-cell diversity and enhanced antitumour activity. Cytotoxic T lymphocyte-associated antigen (CTLA-4) is primarily expressed on the surface of T lymphocytes.

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