OS Therapies Inc., a clinical-stage cancer immunotherapy and antibody drug conjugate biotechnology company, has selected EVERSANA, a leading provider of global commercial services to the life sciences industry, to support the U.S. commercialization of OST-HER2, a novel immunotherapy for recurrent, fully resected, pediatric lung metastatic osteosarcoma.

OST-HER2, a Listeria monocytogenes-based immunotherapy, is the first potential new treatment in over 40 years for pediatric osteosarcoma, a rare, aggressive bone cancer that often metastasizes to the lungs, primarily affecting children and adolescents. The therapy has received Orphan, Fast Track and Rare Pediatric Disease Designations from the U.S. Food and Drug Administration (FDA), with a Biologics License Application (BLA) rolling submission targeted to begin in the third quarter of 2025, with potential approval coming as early as year end 2025.

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“Working with EVERSANA ensures we have the infrastructure, expertise and agility to bring OST-HER2 to patients and families who have long awaited new options without the need to spend significant capital building our own commercial infrastructure,” said Paul Romness, CEO of OS Therapies. “By leveraging EVERSANA’s flexible integrated commercialization operations and deep oncology experience, we will be able to rapidly and cost-effectively fulfill our mission of transforming the treatment landscape for pediatric metastatic osteosarcoma while judiciously managing pre-BLA costs.”

EVERSANA will activate its dedicated end-to-end EVERSANA ONCOLOGY Commercialization model, including market access, medical affairs, field deployment, patient services and stakeholder engagement. The fully integrated platform accelerates awareness and access to OST-HER2 among healthcare providers treating osteosarcoma, as well as the potential to treat additional HER2-positive cancers.

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“We share OS Therapies’ relentless commitment to helping patients facing the devastating diagnosis of cancer,” said Jim Lang, CEO at EVERSANA. “We’ve activated the full scale of our commercialization operation and global team of oncology experts to bring this much-needed innovation to market. This product is just the beginning of OS Therapies’ impact for patients around the world.”

The announcement follows OS Therapies’ recent issuance of U.S. Patent #12,239,738, securing commercial manufacturing exclusivity for OST-HER2 and its broader Listeria-based immunotherapy platform through 2040. 

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Source – PR Newswire