Qulasta

Qulasta is a brand of pegfilgrastim, a long-acting granulocyte colony-stimulating factor used to reduce infection risk from chemotherapy-induced neutropenia.

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Pegfilgrastim: A pegylated form of granulocyte colony-stimulating factor that stimulates neutrophil production and is used to prevent chemotherapy-related neutropenia. Qulasta is a brand of this long-acting medicine.
Febrile neutropenia: Fever occurring alongside a low neutrophil count, often treated as a medical emergency during cancer therapy. Preventing chemotherapy-related neutropenia can reduce this serious complication.
Filgrastim: A recombinant granulocyte colony-stimulating factor administered to stimulate neutrophil production, usually with repeated dosing. Unlike Qulasta’s pegylated drug, filgrastim generally requires more frequent injections.
Pegfilgrastim-jmdb: A biosimilar pegfilgrastim product marketed in the United States as Fulphila. It is a branded alternative to pegfilgrastim products such as Qulasta.
Granulocyte colony-stimulating factor: A cytokine that stimulates the bone marrow to produce and release neutrophils. Pegfilgrastim works by activating this growth-factor pathway.
Chemotherapy: Cancer treatment using drugs that kill or inhibit rapidly dividing cells. Qulasta is used to support patients receiving myelosuppressive chemotherapy.
Lipegfilgrastim: A long-acting, glycoPEGylated granulocyte colony-stimulating factor used to prevent chemotherapy-induced neutropenia. It is another long-acting option in the same therapeutic class.
Neulasta: The original U.S. brand of pegfilgrastim, approved to reduce infection risk from chemotherapy-induced neutropenia. Qulasta contains the same active drug as this established pegfilgrastim brand.
Neutrophil: A white blood cell that rapidly responds to many bacterial and fungal infections. Increasing neutrophil numbers is the treatment’s immediate biological aim.
Subcutaneous injection: Delivery of a medicine into the fatty tissue beneath the skin. Pegfilgrastim is commonly administered by this route.