Partner Therapeutics Receives EMA Approval of IMREPLYS® (sargramostim, rhu GM-CSF) to Treat Exposure to Myelosuppressive Doses of Radiation (Hematopoietic Sub-syndrome of Acute Radiation Syndrome [H-ARS])

IMREPLYS^® is the first treatment for H-ARS approved in Europe
Approval based upon IMREPLYS^® significantly improving survival, accelerating recovery of white blood cells and platelets, and reducing rates of infection and sepsis after radiation exposure without the need for supportive care such as blood products.²

Lexington, MA – September 9, 2025 – Partner Therapeutics, Inc. (PTx) today announced that the European Commission has granted a marketing authorization in the European Union (EU) for IMREPLYS^® (sargramostim, rhu GM-CSF), the ...

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9
SEP
2025

Press Release

Partner Therapeutics Receives EMA Approval of IMREPLYS® (sargramostim, rhu GM-CSF) to Treat Exposure to Myelosuppressive Doses of Radiation (Hematopoietic Sub-syndrome of Acute Radiation Syndrome [H-ARS])

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Partner Therapeutics Receives EMA Approval of IMREPLYS® (sargramostim, rhu GM-CSF) to Treat Exposure to Myelosuppressive Doses of Radiation (Hematopoietic Sub-syndrome of Acute Radiation Syndrome [H-ARS])

European Medicines Agency CHMP Recommends EU Approval of Partner Therapeutics IMREPLYS® (sargramostim, rhu GM-CSF) to Treat Exposure to Myelosuppressive Doses of Radiation (Haematopoietic Sub-syndrome of Acute Radiation Syndrome)