The Food and Drug Administration on Friday rejected — again — an experimental treatment for advanced skin cancer developed by Replimune Group. 

Replimune’s treatment, an engineered virus designed to rev up the immune system against melanoma, has been a flashpoint in a simmering debate over shifting standards at the agency.

The drug was initially rejected in July, just two months after Vinay Prasad was appointed the FDA’s head of biologics. As an academic oncologist, Prasad criticized regulators for approving drugs with limited data, and the Replimune decision was viewed as a possible sign of the stricter stance he might take at the agency.

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CAR-T therapies are continuing to gain traction in autoimmune disease, with a notable new case.

Also, the FDA has withdrawn approval of GSK’s leucovorin for a rare brain disorder tied to autism, closing out an unusual episode shaped in part by political pressure.

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Georg Schett had two things: a young patient deathly ill with lupus, and a couple of mouse studies raising the possibility that special T cells could tame the condition.

The German physician-scientist could produce the cells — chimeric antigen receptors, or CARs — at his institution, which was half the battle. Another hurdle: The patient’s parents. “They were like, ‘Don’t do that. You’re crazy,’” recalled Fabian Müller, Schett’s collaborator at the University of Erlangen-Nuremberg. A widespread fear at the time was that T cells would trigger or worsen autoimmune disease. 

The rest of the story is the rare scientific fairy tale: The patient got better. Five years on, she is still in remission, and working in the very clinic where she was treated. Her case upended the world of autoimmune disease, driving a flood of experimentation and investment and offering new hope to millions of patients. 

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PhRMA CEO Steve Ubl is stepping down. Biotech investors are grappling with pressure from AI and rising competition from Chinese labs, even though firms sit on large cash reserves.

Also, the Trump administration is stepping back from the “indirect cost” fight at the NIH, and new data suggest genetics may modestly influence responses to GLP-1 drugs.

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