Rare diseases
The FDA in October 2025 granted bitopertin its Commissioner’s National Priority Voucher but after a shortened review time has decided the data did not support regulatory approval for treating erythropoietic protoporphyria.
Following over a year of slow uptake, Vertex Pharmaceuticals and CRISPR Therapeutics expect Casgevy revenues to nearly triple in 2026, as patient access to the sickle cell disease and beta thalassemia gene therapy grows.
Infigratinib topped “even the most optimistic expectations” for efficacy and safety in the late-stage PROPEL 3 study in achondroplasia, Truist Securities analysts said Thursday.
The rare disease drugmaker is facing potential competitors for achondroplasia drug Voxzogo. Is a big M&A deal with two approved assets enough to maintain investor interest?
A lawsuit and FDA warning ensued after Hims & Hers launched a compounded version of Novo Nordisk’s new obesity pill, more Big Pharma report earnings—including from weight loss rivals Novo and Eli Lilly—and the gene therapy space sees another rejection.
The FDA recommended that REGENXBIO run a new study, treat more patients and include a placebo arm to support a resubmission for the gene therapy RGX-121.
The gene therapy uses an AAV vector to restore healthy levels of the alpha-galactosidase enzyme, which is rendered dysfunctional in patients with Fabry disease, leading to the toxic build-up of lipids in cells.
The FDA in July last year declined to approve UX111 for Sanfilippo syndrome, a rare neurodegenerative disorder, citing manufacturing issues. Ultragenyx Pharmaceutical resubmitted its application ten days ago, expecting a six month review time.
After a series of deaths in patients taking Sarepta Therapeutics’ gene therapies, doubt has crept into investor sentiments around the long-time Wall Street darling, and patients may soon begin looking elsewhere.
After review, Amgen is certain that Tavneos is effective and has a favorable benefit-risk profile. The company informed the FDA on January 28 that they would not pull the drug.
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