Molecular Partners AG(US:MOLN) Globenewswire·2025-06-22 20:00Core Insights - Molecular Partners AG and Orano Med have announced the launch of MP0726, a Radio-DARPin candidate targeting mesothelin (MSLN), with preclinical data to be presented at the 2025 Annual Meeting of the Society of Nuclear Medicine and Molecular Imaging [1][2] Group 1: Product Development - MP0726 demonstrates high affinity and selectivity for the membrane-proximal domain of MSLN, showing a tumor accumulation of up to 34% and a tumor to kidney ratio of up to 4.5 in vivo [2][3] - The candidate is designed to target ovarian cancer, leveraging the unique properties of DARPins to selectively bind to MSLN, which is highly expressed in tumors but lower in healthy tissues [3][8] - MP0726 is the second Radio-DARPin program to enter preclinical development, following MP0712, which targets DLL3 and is set to begin dosing in a Phase 1 study in the US in the second half of 2025 [6] Group 2: Strategic Collaboration - The collaboration between Molecular Partners and Orano Med has shown significant progress, highlighting the effectiveness of their joint R&D efforts in developing differentiated clinical candidates [4][5] - Orano Med's capabilities in R&D and manufacturing, along with a virtually unlimited supply of the starting isotope, position it uniquely to support the development of these new therapies [4] Group 3: Company Background - Molecular Partners AG is a clinical-stage biotech company focused on developing DARPin therapeutics, with oncology as its main area of focus [9] - Orano Med specializes in targeted alpha-particle therapies using lead-212 (Pb), with its most advanced asset, AlphaMedix, having received Breakthrough Designation from the FDA in 2024 [10]