Zenocutuzumab offers meaningful and durable antitumor activity, substantially
reduced toxicity and no treatment‑limiting safety concerns, distinguishing it favorably
 from existing standards of care

LEXINGTON, Mass.  – July 2, 2026 – Partner Therapeutics, Inc. (PTx), a private, fully integrated biotechnology company, announced that results from the cholangiocarcinoma cohort of the eNRGy trial (NCT02912949) have been published in the Journal of Clinical Oncology (JCO).¹ These data supported the recent U.S. Food and Drug Administration (FDA) approval of BIZENGRI^® (zenocutuzumab-zbco) for the treatment ...

LEXINGTON, Mass.—February 20, 2026—Partner Therapeutics, Inc. (PTx) announced findings from a post hoc analysis of the eNRGy trial (NCT02912949) evaluating treatment beyond progression with zenocutuzumab in patients with advanced neuregulin 1 fusion-positive (NRG1+) non-small cell lung cancer (NSCLC). Results were presented at the 2026 International Association for the Study of Lung Cancer (IASLC) Targeted Therapies of Lung Cancer (TTLC) meeting. NRG1+ NSCLC is associated with low response rates and poor outcomes with non-targeted therapies, underscoring the need for effective targeted treatment ...

Designation strengthens BIZENGRI® development program in rare cholangiocarcinoma

LEXINGTON, Mass. —February 5, 2026—Partner Therapeutics, Inc. (PTx), a privately held, fully integrated biotechnology company, today announced that the U.S. Food and Drug Administration (FDA) has granted Orphan Drug Designation (ODD) to zenocutuzumab‑zbco for the treatment of adults with advanced unresectable or metastatic cholangiocarcinoma. Zenocutuzumab-zbco is being developed in a subset of patients with cholangiocarcinoma harboring a neuregulin 1 (NRG1) gene fusion.

Cholangiocarcinoma (CCA) is a rare, aggressive malignancy of the bile ducts, typically ...