WALTHAM, Mass, July 9, 2025 – Sironax, a clinical-stage biotech company dedicated to the discovery and development of transformational therapies for age-related diseases, today announced a strategic agreement with Novartis under which Sironax will grant Novartis an exclusive option to acquire its proprietary Brain Delivery Module (BDM) platform, a differentiated blood-brain-barrier (BBB) crossing technology designed to enhance the brain delivery of therapeutics of various modalities. Sironax retains the right to continue developing selected therapeutic assets using the platform.
“This partnership combines Novartis’s global expertise in neuroscience with Sironax’s high-quality innovation, maximizing the potential impact of our brain delivery platform,” said Dr. Shefali Agarwal, President and CEO of Sironax. “At the same time, we will continue to explore our targets of interest with the platform and deliver brain-penetrant therapeutics. This strategic alignment empowers Sironax to accelerate its global expansion and clinical development, reinforcing our commitment to redefining what’s possible for patients living with serious neurological conditions.”
“Effectively delivering therapeutics across the blood-brain barrier remains one of the most important challenges in drug discovery,” said Robert Baloh, Global Head of Neuroscience, Biomedical Research at Novartis. “We’re excited to enter into this agreement with Sironax to fully explore the promise of the BDM platform, leveraging our deep expertise and capabilities in neuroscience to bring forward next-generation therapies for patients in need.”
Under the terms of the agreement, Novartis will evaluate the BDM platform within an option period. Upon option exercise, Novartis will acquire full global rights to the BDM platform. Sironax is eligible to receive up to $175 million in upfront and near-term payments.
Forward-looking Statements
This press release contains forward-looking statements related to the collaboration’s potential benefits, which are subject to risks and uncertainties. Actual outcomes may differ based on technical, regulatory, and market factors.
About Sironax
Sironax is a clinical-stage biotechnology company dedicated to the discovery and global development of novel treatments for age-related degenerative diseases. Since its founding in 2017, Sironax has built a diverse pipeline of multiple programs focusing on key mechanisms underlying age-related degenerative diseases, including dysregulated cellular death, uncontrolled inflammation, and disrupted energy homeostasis. Sironax is currently conducting clinical studies with SIR2501, SIR4156, and SIR9900, in addition to ongoing preclinical research. The company was named to the 2025 Endpoints 11 list of the most promising biotech startups.
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