Oncologists May Prescribe New Neutropenia Agent Over Others in Class, but Therapy Faces Another Challenge

The FDA recently approved the first novel long-acting granulocyte colony-stimulating factor (G-CSF) in more than 20 years. Payers say they are likely to manage the new agent similar to existing ones, but some oncologists have indicated that they are willing to prescribe it in place of other neutropenia agents, according to Zitter Insights. Still, the leader in the space has a unique quality that has allowed it to continue to retain market share, which may prove challenging for the new drug — at least for the time being.

On Sept. 9, the FDA approved Spectrum Pharmaceuticals, Inc.’s Rolvedon (eflapegrastim-xnst) to decrease the incidence of infection, as manifested by febrile neutropenia, in adults with nonmyeloid malignancies receiving myelosuppressive anti-cancer drugs associated with clinically significant incidence of febrile neutropenia. The company developed the drug with South Korea’s Hanmi Pharmaceutical Co. The recommended dose is 13.2 mg administered subcutaneously once per chemotherapy cycle.

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