GRIN Therapeutics, Inc., a leader in the development of therapies to treat serious neurodevelopmental disorders, and Angelini Pharma, part of the privately owned Angelini Industries, today announced a collaboration for the development and commercial rights outside of North America of GRIN Therapeutic's investigational drug radiprodil, currently being studied in multiple rare genetic epilepsies and neurodevelopmental disorders.

GRIN Therapeutics also announced the closing of its $140 million Series D financing with investment by Angelini Pharma and Blackstone Life Sciences. Together, the two transactions highlight a significant total near-term commitment of $115 million from Angelini Pharma, which includes a $65 million strategic equity investment and a $50 million upfront payment related to the collaboration. Existing GRIN Therapeutics investor Blackstone Life Sciences contributed $75 million to the Series D financing round. Jacopo Andreose, PhD, CEO of Angelini Pharma, will join GRIN's Board of Directors.