Enzon Announces Discontinuation of PEG-SN38 Program in Metastatic Colorectal Carcinoma in Light of Evolving Standards of Care

PISCATAWAY, N.J. —(BUSINESS WIRE)— Enzon Pharmaceuticals, Inc. (Nasdaq: ENZN) today announced that, in light of evolving standards of care for the treatment of metastatic colorectal cancer (mCRC), the Company will discontinue its PEG-SN38 (EZN-2208) clinical program in this disease, following conclusion of its Phase II study. Enzon continues to enroll studies for the Company’s other PEG-SN38 programs, which include a soon-to-be fully enrolled Phase II study in metastatic breast cancer, a Phase I study in pediatric cancer, and a Phase I study in combination with Avastin® (bevacizumab injection) in solid tumors.

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