Rare diseases
In a complete response letter published by the FDA on Monday, the agency said a resubmission for REGENXBIO’s Hunter syndrome gene therapy should provide evidence of normalized or improved biomarker levels or neurodevelopmental outcomes.
Days after FDA Commissioner Marty Makary appeared to malign uniQure’s AMT-130 in an interview with CNBC, the agency confirmed to the biotech that a sham surgery–controlled study is needed before submitting the gene therapy for approval.
Aardvark Therapeutics is down 54% since Friday after the biotech said it detected “reversible cardiac observations” in a healthy volunteer study of its drug to treat extreme hunger in patients with the rare genetic disease.
Yuviwel will compete with BioMarin’s Voxzogo. Meanwhile, BridgeBio is working to bring its own achondroplasia drug, the FGFR3 blocker infigratinib, to the market.
On the FDA’s docket this month are two decisions pushed back from 2025, including one for a rare form of obesity and another for dry eye disease.
This week’s Capitol Hill meetings come on the heels of rejections of ultra-rare disease drugs developed by Biohaven and Saol Therapeutics. Physicians and patient groups implored the FDA to expedite these treatments.
Without naming a specific product, Commissioner Marty Makary referred to an investigational therapy, delivered surgically into the brain, that the FDA was “pressured” to approve even after finding no clinical benefit to patients.
In this episode of Denatured, you’ll be listening to Indu Navar, CEO and founder of EverythingALS and Dr. Olga Uspenskaya, chief medical officer at VectorY Therapeutics. We’ll be speaking about patient-pharma collaborations accelerating trials and hope, advances in ALS biology understanding and biomarker-driven endpoints.
Eli Lilly notches another win over Novo Nordisk, as Zepbound bests CagriSema in a head-to-head trial sponsored by Novo; The FDA kicked off Rare Disease Week, providing draft guidance on its new plausible mechanism pathway, while a bipartisan senate hearing on Thursday will focus on the authorization process for rare conditions; Another leadership change shakes up CDC; and Gilead acquires CAR T partner Arcellx for nearly $8 billion.
Regulators overseeing rare disease treatments need better tools to weigh competing risks in real time. Sarepta Therapeutics’ Elevidys is a prime example of why.
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