Zenocutuzumab-zbco Granted FDA Breakthrough Therapy Designation for NRG1+ Cholangiocarcinoma; Data Highlighting Potential of Zenocutuzumab-zbco in NRG1+ Cholangiocarcinoma to be Presented at AACR-NCI-EORTC

• Investigational treatment with zenocutuzumab-zbco in adults with advanced unresectable or metastatic NRG1+ cholangiocarcinoma showed a 37% ORR, median time to response of 1.9 months, and median duration of response of 7.4 months

Lexington, MA – Oct. 23, 2025 – Partner Therapeutics, Inc. (PTx), a private, fully-integrated biotechnology company, today announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation (BTD) to zenocutuzumab-zbco for the treatment of adults with advanced unresectable or ...

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23
OCT
2025

Press Release

Zenocutuzumab-zbco Granted FDA Breakthrough Therapy Designation for NRG1+ Cholangiocarcinoma; Data Highlighting Potential of Zenocutuzumab-zbco in NRG1+ Cholangiocarcinoma to be Presented at AACR-NCI-EORTC

Zenocutuzumab-zbco Granted FDA Breakthrough Therapy Designation for NRG1+ Cholangiocarcinoma; Data Highlighting Potential of Zenocutuzumab-zbco in NRG1+ Cholangiocarcinoma to be Presented at AACR-NCI-EORTC

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)