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OS Animal Health Receives USDA Feedback on Regulatory Pathway for OST-HER2 in Canine Osteosarcoma

$OSTXPress releaseOct 7, 2026, 8:31 AM ETRead the release

OS Therapies' subsidiary OS Animal Health received USDA feedback on its conditional licensure pathway for OST-HER2 in canine osteosarcoma, covering efficacy, safety, non-clinical, and CMC requirements. OSAH plans to seek conditional licensure on existing clinical data and hopes for a 2027 U.S. commercial launch, though full licensure will require additional studies. The company is also evaluating strategic and capital alternatives for OSAH, including a Q4 2026 crowdfunding intended to help the subsidiary meet U.S.

Key figures

Drug Name
OST-HER2
Vet oncology market 2024
$1.58 billion
Vet oncology market 2034
$4.77 billion

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