Arrowhead Pharmaceuticals Inc. said it voluntarily paused a phase I/II study of its RNAi candidate for treating cystic fibrosis (CF) out of an “abundance of caution” while considering its next steps. “This may delay our pulmonary program a bit, but it’s just part of drug development,” said Christopher Anzalone, Arrowhead’s CEO. The halt was prompted by signals of local lung inflammation found in an ongoing chronic toxicology study in rats.

DUBLIN – Verona Pharma plc is adding $25 million cash to its balance sheet, as well as $15 million worth of stock in Nuance Biotech Co. Ltd., and could earn up to $179 million more in milestones linked to the development in the greater China region of ensifentrine, its candidate maintenance therapy for chronic obstructive pulmonary disorder (COPD).