Shares of Lexicon Pharmaceuticals Inc. (NASDAQ:LXRX) fell 70.3% Monday to $1.69 as Sanofi SA terminated a $1.7 billion diabetes collaboration with the company. The decision followed two trials in which Zynquista (sotagliflozin), a dual SGLT inhibitor, failed to make a statistically significant dent in blood sugar control in patients with chronic kidney disease, a common result of diabetes.

LONDON – Silence Therapeutics plc has finally secured a deal to transform its fortunes, signing up Mallinckrodt plc in a potential $693 million-per-asset collaboration to develop siRNA therapeutics that block the complement inflammatory cascade.

Seongnam, Korea-based Bridge Biotherapeutics Inc. nailed down a deal with Boehringer Ingelheim GmbH (BI) to develop the former's phase I autotaxin (ATX) inhibitor, BBT-877, for fibrosing interstitial lung diseases, including idiopathic pulmonary fibrosis (IPF).

Astellas Pharma Inc. and Frequency Therapeutics Inc. have agreed to develop and commercialize Frequency's regenerative therapeutic candidate, FX-322, to treat sensorineural hearing loss (SNHL).