OS Therapies Completes Requalification of Phase 2b Herlystic (OST-HER2) Drug Substance for Confirmatory Phase 3 Trial
Grasonville, Maryland--(Newsfile Corp. - November 5, 2026) - OS Therapies, Inc. (NYSE American: OSTX) ("OS Therapies" or the "Company"), the world leader in gene-edited, Listeria-based cancer immunotherapies, today announced that it has completed the requalification of drug substance used in its Phase 2b trial of OST-HER2 (Herlystic™) in the prevention of recurrence in fully resected, pulmonary metastatic osteosarcoma. The requalification is key as the Company is now able to commence the...
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