The U.S. FDA declined to approve Gilead Sciences Inc.’s Hepcludex (bulevirtide), issuing a complete response letter (CRL) citing manufacturing and delivery concerns for the antiviral aimed at treating confirmed chronic hepatitis delta virus (HDV) infection in adults with compensated liver disease. Acquired in Gilead’s 2021 buyout of Myr GmbH, Hepcludex received conditional approval from the European Commission in 2020 and would have been the first drug cleared for HDV in the U.S. Its delay, however, could give a boost to Eiger Biopharmaceuticals Inc., which is expected to report phase III data for lonafarnib by the end of 2022.

Device makers often need the assistance of physicians to aid in device design and development, but this is a practice that comes with some legal hazards. A session held here in Boston on enforcement in the U.S. made clear that manufacturers must exercise caution in these consulting arrangements, such as documenting the need for outside help with the device, lest the manufacturer end up with a hefty, multimillion-dollar fine imposed by U.S. enforcement agencies.

Hoping its drug, daprodustat, can succeed in the U.S. where two other hypoxia-inducible factor prolyl hydroxylase inhibitors (HIF-PHIs) have failed so far, GSK plc will present its case Oct. 26 to the FDA’s Cardiovascular and Renal Drugs Advisory Committee for the drug's potential use as a treatment for anemia in patients with chronic kidney disease regardless of dialysis dependency.