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| Monoclonal antibody | |
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| Type | Whole antibody |
| Source | Humanized (from mouse) |
| Target | MUC1 |
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Cantuzumab mertansine (SB-408075; huC242-DM1) is an antibody-drug conjugate investigated to treat colorectal cancer and other types of cancer. [1] It is a humanized monoclonal antibody, cantuzumab (huC242) linked to a cytotoxic agent, mertansine (DM1). [2] It was developed by ImmunoGen.
After the huC242 mab binds to the external domain of CanAg, the cantuzumab mertansine-CanAg complex is internalized, and the DM1 molecules are released intracellularly by cleavage of the DM1-huC242 disulfide bonds. [3]
Three phase I clinical studies had reported results by 2003. [4] By 2005, clinical development had been suspended. [5]
Cancer immunotherapy (immuno-oncotherapy) is the stimulation of the immune system to treat cancer, improving the immune system's natural ability to fight the disease. It is an application of the fundamental research of cancer immunology (immuno-oncology) and a growing subspecialty of oncology.
Monoclonal antibodies (mAbs) have varied therapeutic uses. It is possible to create a mAb that binds specifically to almost any extracellular target, such as cell surface proteins and cytokines. They can be used to render their target ineffective, to induce a specific cell signal, to cause the immune system to attack specific cells, or to bring a drug to a specific cell type.
Adecatumumab (MT201) is a recombinant human IgG1 monoclonal antibody which is used to target tumor cells. It binds to the epithelial cell adhesion molecule, with the intent to trigger antibody-dependent cellular cytotoxicity. It was developed by Micromet Inc, which was acquired by Amgen.
Bivatuzumab mertansine is a combination of bivatuzumab, a humanized monoclonal antibody, and mertansine, a cytotoxic agent. It is designed for the treatment of squamous cell carcinoma.
Cantuzumab is a monoclonal antibody designed for the treatment of cancers. Also known as huC242 it binds the CanAg antigen.
Mertansine, also called DM1, is a thiol-containing maytansinoid that for therapeutic purposes is attached to a monoclonal antibody through reaction of the thiol group with a linker structure to create an antibody-drug conjugate (ADC).
As of 2024, a vaccine against Epstein–Barr virus was not yet available. The virus establishes latent infection and causes infectious mononucleosis. There is also increasingly more evidence that EBV may be a trigger of multiple sclerosis. It is a dual-tropic virus, meaning that it infects two different host cell types — in this case, both B cells and epithelial cells. One challenge is that the Epstein–Barr virus expresses very different proteins during its lytic and its latent phases. Antiviral agents act by inhibiting viral DNA replication, but as of 2016, there was little evidence that they are effective against Epstein–Barr virus, they are expensive, they risk causing resistance to antiviral agents, and can cause unpleasant side effects.
Maitansine (INN), or maytansine (USAN), is a cytotoxic agent. It inhibits the assembly of microtubules by binding to tubulin at the rhizoxin binding site.
Glembatumumab vedotin is an antibody-drug conjugate (ADC) that targets cancer cells expressing transmembrane glycoprotein NMB (GPNMB).
Antibody–drug conjugates or ADCs are a class of biopharmaceutical drugs designed as a targeted therapy for treating cancer. Unlike chemotherapy, ADCs are intended to target and kill tumor cells while sparing healthy cells. As of 2019, some 56 pharmaceutical companies were developing ADCs.
Peptide-based synthetic vaccines are subunit vaccines made from peptides. The peptides mimic the epitopes of the antigen that triggers direct or potent immune responses. Peptide vaccines can not only induce protection against infectious pathogens and non-infectious diseases but also be utilized as therapeutic cancer vaccines, where peptides from tumor-associated antigens are used to induce an effective anti-tumor T-cell response.
Trastuzumab emtansine, sold under the brand name Kadcyla, is an antibody-drug conjugate consisting of the humanized monoclonal antibody trastuzumab (Herceptin) covalently linked to the cytotoxic agent DM1. Trastuzumab alone stops growth of cancer cells by binding to the HER2 receptor, whereas trastuzumab emtansine undergoes receptor-mediated internalization into cells, is catabolized in lysosomes where DM1-containing catabolites are released and subsequently bind tubulin to cause mitotic arrest and cell death. Trastuzumab binding to HER2 prevents homodimerization or heterodimerization (HER2/HER3) of the receptor, ultimately inhibiting the activation of MAPK and PI3K/AKT cellular signalling pathways. Because the monoclonal antibody targets HER2, and HER2 is only over-expressed in cancer cells, the conjugate delivers the cytotoxic agent DM1 specifically to tumor cells. The conjugate is abbreviated T-DM1.
Lorvotuzumab mertansine (IMGN901) is an antibody-drug conjugate. It comprises the CD56-binding antibody, lorvotuzumab (huN901), with a maytansinoid cell-killing agent, DM1, attached using a disulfide linker, SPP.
Urelumab is a fully human, non‐ligand binding, CD137 agonist immunoglobulin‐γ 4 (IgG4) monoclonal antibody. It was developed utilizing Medarex's UltiMAb(R) technology by Bristol-Myers Squibb for the treatment of cancer and solid tumors. Urelumab promotes anti-tumor immunity, or an immune response against tumor cells, via CD137 activation. The application of Urelumab has been limited due to the fact that it can cause severe liver toxicity.
Cantuzumab ravtansine (huC242-SPDB-DM4) is an antibody-drug conjugate designed for the treatment of cancers. The humanized monoclonal antibody cantuzumab (huC242) is linked to a cytotoxic agent, ravtansine (DM4). It uses a more hindered disulfide linkage than cantuzumab mertansine.
ImmunoGen, Inc. was a biotechnology company focused on the development of antibody-drug conjugate (ADC) therapeutics for the treatment of cancer. ImmunoGen was founded in 1981 and was headquartered in Waltham, Massachusetts.
Isatuximab, sold under the brand name Sarclisa, is a monoclonal antibody (mAb) medication for the treatment of multiple myeloma.
Immune checkpoints are regulators of the immune system. These pathways are crucial for self-tolerance, which prevents the immune system from attacking cells indiscriminately. However, some cancers can protect themselves from attack by stimulating immune checkpoint targets.
Stable isotope standards and capture by anti-peptide antibodies (SISCAPA) is a mass spectrometry method for measuring the amount of a protein in a biological sample.
Dostarlimab, sold under the brand name Jemperli, is a monoclonal antibody used as an anti-cancer medication for the treatment of endometrial cancer. Dostarlimab is a programmed death receptor-1 (PD-1)–blocking monoclonal antibody.
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