OS Therapies Announces Statistically Significant Positive Final 2-Year Overall Survival Data from Phase 2b Trial of OST-HER2 in the Prevention or Delay of Recurrent, Fully-Resected, Pulmonary Metastatic Osteosarcoma

          OS Therapies Announces Statistically Significant Positive Final 2-Year Overall Survival Data from Phase 2b Trial of OST-HER2 in the Prevention or Delay of Recurrent, Fully-Resected, Pulmonary Metastatic OsteosarcomaOctober 10, 2025 6:00 AM EDT | Source: OS Therapies75% of OST-HER2 treated patients achieved 2-year overall survival compared with 40% in the historical control group (p < 0.0001)100% of patients who achieved 12 month event free survival achieved 2 year overall survivalNew York, New ...