OS Therapies Completes Acquisition of Advaxis Immunotherapies Clinical, Pre-clinical and IP Assets from Ayala Pharmaceuticals
OS Therapies Incorporated (OSTX)
Company Research
Source: Business Wire
Company now listeria-based cancer immunotherapy world leaderExpands clinical pipeline with 3 new cancer immunotherapy candidates8 pre-clinical immunotherapy candidates targeting 30+ cancers added NEW YORK--(BUSINESS WIRE)--OS Therapies (NYSE-A: OSTX) (“OS Therapies” or “the Company”), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today announced that it has completed the acquisition of the listeria-based cancer immunotherapy assets of Advaxis Immunotherapies from Ayala Pharmaceuticals. The Company is now positioned as the world leader in listeria-based cancer immunotherapies, poised to become a new commercial category of immunotherapy in oncology upon approval of the Company’s lead asset OST-HER2 in the prevention of recurrence in fully-resected, lung metastatic osteosarcoma targeted for year-end 2025. New manufacturing-based intellectual property protects the listeria-based immunotherapy platform and cancer immunotherapy candidates int
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News
- OS Therapies Announces Successful Type C Meeting with US FDA Regarding Phase 2b Clinical Trial of OST-HER2 in the Prevention or Delay of Recurrent, Fully Resected, Pulmonary Metastatic Osteosarcoma [Yahoo! Finance]Yahoo! Finance
- Stonegate Capital Partners Updates Coverage on OS Therapies Inc. (OSTX) 3Q25 [Yahoo! Finance]Yahoo! Finance
- OS Therapies to spin off OS Animal Health into a standalone public company [Seeking Alpha]Seeking Alpha
- OS Therapies to Spinoff OS Animal Health into Standalone Public Company [Yahoo! Finance]Yahoo! Finance
- OS Therapies GAAP EPS of -$0.21 misses by $0.08 [Seeking Alpha]Seeking Alpha
OSTX
Earnings
- 11/17/25 - Miss
OSTX
Sec Filings
- 12/19/25 - Form 4
- 12/19/25 - Form 4
- 12/19/25 - Form 4
- OSTX's page on the SEC website