BIOTECH
CAR-T showing more promise in autoimmune disease
A once-radical idea — repurposing CAR-T cancer therapy to reset the immune system — is rapidly gaining traction in autoimmune disease. Five years ago, researchers found that a lupus patient achieved durable remission with a cellular therapy, and a newer report shows a critically ill woman recovered from three overlapping conditions with CAR-T — autoimmune hemolytic anemia, immune thrombocytopenia, and antiphospholipid antibody syndrome.
Now, STAT’s Isabella Cueto writes, researchers are racing to refine the approach, targeting B cells through markers like CD19 and BCMA. Drugmakers are pouring investment into this approach, and hospitals are building in-house CAR-T programs for autoimmune disease.
“There's a huge level of interest in this area now from pharma” based on pre-clinical data, one Massachusetts General Hospital CAR-T researcher told STAT.
That said, some patients relapse as B cells return, it’s still unclear which diseases are optimal targets, and the therapy carries real risks — from toxicity to cancer. And the price tag that can exceed $500,000. Still, it’s a burgeoning area, and there’s no dearth of clinical interest.
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autism
GSK says goodbye to leucovorin (again)
From STAT's Lizzy Lawrence: The Food and Drug Administration is withdrawing approval of GSK’s leucovorin to treat cerebral folate deficiency, which is a rare brain disorder that resembles autism.
The announcement, in the Federal Register, is the culmination of a bizarre episode that exemplified the ways political pressure began to shape the FDA’s work last year, as STAT previously reported. In September, the agency asked GSK to revive leucovorin, which the company had discontinued in 1997 due to low sales.
The inquiry appeared to stem from health secretary Robert F. Kennedy Jr.'s and President Trump’s long-standing interest in autism. Though career staff successfully pushed to limit the approval to a rare disorder, as supported by existing studies, FDA Commissioner Marty Makary publicly touted the drug as a cure for autism.
Withdrawing approval was always part of the plan, GSK told STAT, as the company never intended to market or manufacture the product. Rather, the agency asked GSK to submit the drug application so that generic drug companies could also update their labels to reflect the cerebral folate deficiency indication. If GSK held on to the approval, the company would be required to submit safety reports — not in the interest of a company not actively selling a drug.
Patients will still be able to access generic leucovorin, said health department spokesperson Andrew Nixon.
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