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What’s in Today’s Brief? (September 4th Preview)
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FDA approvals / accelerated approval
The FDA cleared Ionis Pharmaceuticals’ first disease-modifying therapy for Alexander disease, approving Zanvastro for children and adults following results from a pivotal trial. The primary efficacy readout centered on walking speed—a common motor-function metric in neurologic disorders—with treated patients maintaining performance while the control group declined.
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Late-stage failures and pipeline reset
Ultragenyx Pharmaceuticals’ Phase 3 program in Angelman syndrome collapsed, with apazunersen (GTX-102) failing both key endpoints in the Aspire study. The result cuts against early signals that had supported investor and patient expectations for a therapy aimed at improving cognition and broader multidomain function in a disorder with no FDA-approved treatments.
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Gene therapy regulatory push
UniQure moved to secure regulatory momentum for Huntington’s disease, submitting applications to the FDA and the UK’s MHRA for AMT-130 and requesting priority review. The company is seeking accelerated approval based on previously reported three-year data showing slowed disease progression, after earlier FDA concerns forced changes to how UniQure structured its evidence package.
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Next-gen drug delivery licensing
Novartis agreed to pay up to $3.2 billion to Alteogen for its ALT-B4 subcutaneous drug delivery platform, adding another major Big Pharma validation of Hybrozyme technology. The deal grants options and rights to develop and commercialize multiple products using ALT-B4 to convert certain therapies from slow intravenous infusions to faster subcutaneous administration.
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Cancer clinical development: bispecific / PD-1xVEGF
Akeso and Summit Therapeutics reported updated Phase 3 data for ivonescimab, arguing the updated dataset clears the trial’s overall survival threshold bar in certain lung cancer patients. The companies framed the result as a step back toward the overall survival confidence investors seek after earlier interim readouts shook sentiment. Full confirmatory evidence is still expected to rely on forthcoming global data.
...and 5 more selected Biotech stories in today’s full edition — or archive.
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