Rare diseases

Papzimeos is the first immunotherapy approved for recurrent respiratory papillomatosis, a rare lung disorder involving the development of benign tumors in the airways.
CBER Chief Vinay Prasad reclaimed his job less than two weeks after his mysterious exit; MAHA implementor Gray Delany is out after reportedly sparring with other agency officials over communications strategy; Eli Lilly’s first Phase III readout for oral obesity drug orforglipron missed analyst expectations; and Arrowhead Pharmaceuticals addresses the recent woes of its of partner Sarepta.
In the wake of multiple patient deaths from liver injuries related to Sarepta Therapeutics’ AAV gene therapy platform, some in the sector are looking for ways to improve the current technology, while others are eager to move on.
FDA
Arguably the FDA’s most anticipated decision this month is for a subcutaneous induction formulation of Biogen and Eisai’s Alzheimer’s drug Leqembi, which, according to Eisai, could “help reduce the burden on healthcare professionals and patients.”
There is no certainty that the buyout will come to pass, according to The Financial Times, which first reported the rumors.
George Tidmarsh takes over temporarily at CBER following Vinay Prasad’s abrupt departure; Replimmune trial leaders protest rejection reportedly driven by FDA’s top cancer regulator Richard Pazdur; Merck’s $3 billion savings push claims 6,000 jobs; and Pfizer CEO Albert Bourla addresses President Donald Trump’s new threats around Most Favored Nation drug pricing.
BMN 390 fell short of an immunogenicity threshold that BioMarin was looking for to support its further development. Employees working on the program have been redeployed within the company.
The FDA greenlit multiple new drugs this month and issued some notable label expansions, including for Eli Lilly’s Kisunla. Meanwhile, the regulator turned away a cell therapy for Duchenne muscular dystrophy and a gene therapy for the rare disease Sanfilippo syndrome.
FDA
As analysts parsed news of Vinay Prasad’s ouster, worries over drug approval delays, cell and gene therapy impacts and more were top of mind.
Sarepta’s Elevidys is back on the market for ambulatory patients with Duchenne muscular dystrophy, Health Secretary Robert F. Kennedy Jr. reportedly plans to dissolve the U.S. Preventive Services Task Force and “fix” the vaccine injury compensation program, Merck, AstraZeneca and more report Q2 earnings, Novo names a new leader and Roche’s trontinemab impresses at AAIC25.
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