With the U.S. logging more than 4 million new COVID-19 cases in the past few weeks, federal purchasing of antibody cocktails from Regeneron Pharmaceuticals Inc. and Eli Lilly and Co. is continuing to grow. The government has placed orders for $2.94 billion worth of Regeneron's REGEN-COV (casirivimab and imdevimab) and about $330 million of Lilly's etesevimab to complement doses of bamlanivimab it previously purchased. Both antibody combinations, approved under FDA emergency use authorizations (EUAs), have been shown to reduce risk of hospitalization or death from COVID-19.
As many lower and middle-income countries continue to scramble for COVID-19 vaccine doses, which are largely being manufactured in Europe and the U.S., their own regulatory rules may be getting in the way in some instances.
Astrazeneca plc, en route to potentially delivering a new protection against COVID-19 for people inadequately protected by or unable to be vaccinated, has cleared a crucial hurdle with its long-acting combination therapy, AZD-7442, which met the goals of a phase III pre-exposure prophylaxis trial. The U.K.-based pharma’s readout arrived just as Regeneron Pharmaceuticals Inc. announced the MHRA’s conditional marketing authorization for its Roche Holding AG-partnered COVID-19 antibody therapy Ronapreve (casirivimab + imdevimab), also known as REGEN-COV.
Japan’s Ministry of Health, Labour and Welfare approved the Regen-Cov (casirivimab/imdevimab, also known as Ronapreve) antibody cocktail for the treatment of patients with mild to moderate COVID-19 via intravenous infusion.
As a first step in developing a portfolio of COVID-19 therapies, the European Commission identified five promising candidates June 29, including four monoclonal antibodies under rolling review at the EMA and an immunosuppressant that could have its marketing authorization extended to include the treatment of COVID-19 infections.
CEO John Leonard said Intellia Therapeutics Inc. plans “to share information on a cohort-by-cohort basis, so we get a consistent readout” and, as the year goes on, longer-term follow-up findings will emerge from the phase I trial with the company’s lead in vivo genome editing candidate, NTLA-2001.
LONDON – Regeneron Pharmaceuticals Inc.’s antibody cocktail, Regen-Cov, has been shown to significantly reduce mortality in seriously ill hospitalized COVID-19 patients who have failed to mount their own immune response against the SARS-CoV-2 virus. Among these seronegative patients, the casirivimab/imdevimab monoclonal antibody mixture reduced deaths by 20% (p=0.001) in the U.K. Recovery trial.
There are now two FDA-backed monoclonal antibody COVID-19 treatments after the agency granted Glaxosmithkline plc (GSK) emergency use authorization (EUA) for single-dose sotrovimab to treat mild to moderate COVID-19 in adults and children as young as 12. Vir Biotechnology Inc. collaborated on the program.
Among a spate of COVID-19-related therapy developments to start the week, Kiniksa Pharmaceuticals Inc. produced positive phase II data of its monoclonal antibody, mavrilimumab, in treating non-mechanically ventilated patients with severe COVID-19 pneumonia and hyperinflammation.
At the end of March, JAMA Ophthalmology’s publication of first results from the NIH-sponsored, 328-patient trial with Regeneron Pharmaceuticals Inc.’s VEGF inhibitor, Eylea (aflibercept), in non-proliferative diabetic retinopathy bolstered investor hopes for wider use. But competitors loom for the compound, first approved in November 2011 for wet age-related macular degeneration.
