Pandion Therapeutics Inc.'s deal with Astellas Pharma Inc. brings as much as $45 million in up-front money and payments related to research and preclinical activities, with potentially more than $750 million in development and commercial milestone rewards to come, plus royalties if products reach the market.

Boston startup Beta Bionics Inc. is headed into a pair of ambitious pivotal trials in 2020: one starting for an autonomous bionic pancreas device with insulin only and another to follow for a bihormonal version that also includes glucagon. These are expected to offer more precise, easy-to-use blood glucose maintenance for type 1 diabetes patients.