First biosimilar filgrastims launched in Japan

New Drug Approvals

International nonproprietary name: Filgrastim

 Chemical name: N-L- Methionyl colony-stimulating factor (human genetically engineered); non-glycated protein consisted of 175 amino acids.

Chemical name: N-L- Methionyl colony-stimulating factor (human genetically engineered); non-glycated protein consisted of 175 amino acids.

Filgrastim is a granulocyte colony-stimulating factor (G-CSF) analog used to stimulate the proliferation and differentiation of granulocytes.[1] It is produced by recombinant DNA technology. The gene for human granulocyte colony-stimulating factor is inserted into the genetic material of Escherichia coli. The G-CSF then produced by E. coli is different from G-CSF naturally made in humans.

Hematopoietic growth factor. Interacting with receptors on the surface of hematopoietic cells it regulates production and release of neutrophils from the bone marrow to the peripheral blood. Dose dependant number growth of neutrophils with normal or increased functional activity is passing for 24 hours.

Filgrastim is marketed under several brand names, including Neupogen (

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