EMA Advisory Committee Recommends Two Amgen Drugs

The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has adopted positive opinions recommending marketing authorization for: Kyprolis (carfilzomib) in combination with lenalidomide and dexamethasone for treating adult patients with multiple myeloma who have received at least one prior therapy, and for Blincyto (blinatumomab) as a conditional marketing authorization for the treatment of adults with Philadelphia chromosome-negative (Ph-) relapsed or refractory B-precursor acute lymphoblastic leukemia (ALL).

The CHMP positive opinions will now be reviewed by the European Commission and if granted, the two products will have marketing authorization in the 28 member countries of the European Union (EU), as well as Iceland, Lichtenstein, and Norway.

Kyprolis was granted orphan drug designation by the EMA in 2008, and in February 2015, its marketing authorization application (MAA) was granted accelerated assessment by the EMA. Kyprolis (carfilzomib) for Injection was approved as a monotherapy in the US in July 2012, and in combination with lenalidomide and dexamethasone in July 2015. Kyprolis is also approved in Argentina, Israel, Kuwait, Mexico,and Thailand. Kyprolis is a product of Onyx Pharmaceuticals, Inc. Onyx Pharmaceuticals is a subsidiary of Amgen and holds development and commercialization rights to Kyprolis globally, excluding Japan.

Blincyto was granted breakthrough therapy and priority review designations by the US Food and Drug Administration, and is now approved in the US for treating Ph- relapsed or refractory B-cell precursor ALL. This indication is approved under accelerated approval. Continued approval for this indication may be contingent upon verification of clinical benefit in subsequent trials.

Kyprolis is a proteasome inhibitor for relapsed multiple myeloma. Proteasomes play an important role in cell function and growth by breaking down proteins that are damaged or no longer needed. Kyprolis blocks proteasomes, which leads to an excessive build-up of proteins within cells. In some cells, Kyprolis can cause cell death, especially in myeloma cells because they are more likely to contain a higher amount of abnormal proteins.

Blincyto is a bispecific CD19-directed CD3 T cell engager (BiTE) 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. BiTE antibody constructs are a type of immunotherapy being investigated for fighting cancer by helping the body’s immune system to detect and target malignant cells. The modified antibodies are designed to engage two different targets simultaneously, thereby juxtaposing T cells (a type of white blood cell capable of killing other cells perceived as threats) to cancer cells. BiTE antibody constructs help place the T cells within reach of the targeted cell, with the intent of allowing T cells to inject toxins and trigger the cancer cell to die (apoptosis). BiTE antibody constructs are currently being investigated for their potential to treat a wide variety of cancers.

Source: Amgen

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