Prnewswire·2025-11-17 12:00Core Insights - Merus N.V. and Halozyme Therapeutics, Inc. have entered into a global non-exclusive collaboration and license agreement to develop and potentially commercialize the subcutaneous administration of petosemtamab, an EGFR x LGR5 bispecific antibody [1][2][3] Company Overview - Halozyme is a biopharmaceutical company known for its ENHANZE drug delivery technology, which facilitates subcutaneous delivery of injected drugs, aiming to improve patient experience and treatment efficiency [4][5] - Merus specializes in developing innovative full-length multispecific antibodies and antibody drug conjugates, referred to as Multiclonics, which have shown promising results in clinical studies [7][8] Collaboration Details - Under the agreement, Merus will make an upfront payment to Halozyme, along with potential future milestone payments based on commercial and sales achievements, if approved [3] - Halozyme is entitled to receive low to mid-single digit royalties on net sales of petosemtamab formulated with the ENHANZE technology during the royalty term [3] Clinical Potential - Petosemtamab has shown encouraging results in clinical studies across various solid tumor cancers and is positioned to potentially become a first and best-in-class treatment for head and neck cancer and other indications [2][3]