U.S. hospitals have been slow to embrace Covid-19 antibody drugs from Eli Lilly and Co. and Regeneron Pharmaceuticals Inc. that were authorized to reduce the risk of hospitalization, U.S. officials said.

The U.S. Food and Drug Administration approved Janssen’s Simponi Aria (golimumab) for patients 2 years of age and older for the treatment of active polyarticular juvenile idiopathic arthritis (pJIA) and extended the medicine’s active psoriatic arthritis (PsA) indication for this same patient population.

Gilead Sciences Inc., maker of the closely watched experimental coronavirus drug remdesivir, said the company will work with international partners to expand production of the potential COVID-19 treatment.

Melbourne, Australia and New York-based Mesoblast Limited announced that in a study of COVID-19 patients with moderate to severe acute respiratory distress syndrome, there was 83 percent survival with two intravenous infusions of the company’s experimental allogeneic mesenchymal stem cell candidate Ryoncil (remestemcel-L).

Denmark’s Lundbeck agreed to buy Alder BioPharmaceuticals in a deal valued at almost $2 billion, hoping to reap profits from a potential blockbuster migraine drug.