The Sept. 4, 2015, at-risk launch of Sandoz Inc.’s Zarxio as the first biosimilar to hit the U.S. market came several months after the FDA had approved the filgrastim biosimilar due to a court battle over the requirements of the 2010 Biologics Price Competition and Innovation Act, which laid out the rules of the road for the new class of follow-on drugs. Ten years later, biosimilar developers are still struggling with some of those rules that were drafted by Congress in an effort to balance competition with innovation in the biologics space. Insulin biosimilars may be the hardest hit.

The U.S. Centers for Medicare & Medicaid Services (CMS) rolled out negotiated costs of the second batch of drugs subject to such bargaining under the Inflation Reduction Act. Wall Street was not surprised to learn that the numbers amount to much greater cuts than the Biden administration managed for 2026. CMS said the adjusted maximum fair prices would have achieved 44% lower net spending had they been implemented in 2024 – 36% if forgiven discounts from the part D redesign of the Medicare prescription drug benefit are figured in. Fifteen drugs are listed.

The priority BLA from Otsuka Pharmaceutical Co. Ltd., of Tokyo, and its U.S. subsidiary, Otsuka Pharmaceutical Development & Commercialization Inc., for sibeprenlimab to treat immunoglobulin A nephropathy (IgAN) has received accelerated approved by the U.S. FDA.