OS Therapies News Releases

OS Therapies Achieves Global Regulatory Alignment on Design of Phase 3 Trial of OST-HER2 in Fully Resected, Pulmonary Metastatic Osteosarcoma

Mon, 08 Jun 2026 06:00:00 -0400

Confirmatory Phase 3 trial to commence prior to BLA grant under Accelerated Approval Program in the U.S. and Conditional MAA in the U.K., Europe and AustraliaPatent pending pharmacodynamic response biomarker accepted as surrogate clinical efficacy endpointTGA and MHRA agree to allow utilization of remaining Phase 2b drug product for initiation of confirmatory Phase 3FDA and EMA fully align with Company on Chemistry, Manufacturing and Controls (CMC)Market access process initiated with UK NICE and...

OS Therapies Achieves Statistically Significant 2.5-Year Overall Survival in Phase 2b Trial of OST-HER2 in Fully Resected Pulmonary Metastatic Osteosarcoma

Tue, 02 Jun 2026 06:00:00 -0400

75% 2.5-year overall survival for OST-HER2 vs. 47% pooled historical control (p = 0.003), with no new patient deaths reported since the 2-year overall survival data (75% vs. 60%, p = 0.034)Updated clinical efficacy data being added to regulatory dossiers as Company seeks early market authorizations in U.S., U.K., Europe and Australia in 2nd half of 2026EMA and Australia TGA (TGA) alignment achieved on early Q4-2026 3-year overall survival data, supported by biomarker data, as key...

OS Therapies Announces the Publication of Four Articles on OST-HER2 and Osteosarcoma in Drug Discovery World

Fri, 29 May 2026 07:20:00 -0400

The Company confirms that it will release 2.5 year overall survival data from Phase 2b clinical trial OST-HER2 in the prevention or delay of recurrence in fully-resected pulmonary metastatic osteosarcoma during the 2026 American Society of Clinical Oncologists (ASCO) Annual Meeting being held from May 28, 2026 to June 2, 2026.New York, New York and Rockville, Maryland--(Newsfile Corp. - May 29, 2026) - OS Therapies, Inc. (NYSE American: OSTX) ("OS Therapies" or "the Company"), the world leader...

OS Therapies to Attend Upcoming Medical, Financial and Industry Conferences

Tue, 26 May 2026 07:40:00 -0400

ASCO 2026: 2.5-Year Overall Survival DataJefferies Healthcare Conference: Partnering & Investor meetingsBIO International Convention: Panel ParticipationMIB Agents Factor Osteosarcoma Conference: Data PresentationNew York, New York and Rockville, Maryland--(Newsfile Corp. - May 26, 2026) - OS Therapies, Inc. (NYSE American: OSTX) ("OS Therapies" or "the Company"), the world leader in gene-edited, listeria-based cancer immunotherapies, announced that it will attend upcoming medical, financial and...

OS Therapies Reports First Quarter 2026 Financials and Provides Business Update

Mon, 18 May 2026 06:30:00 -0400

$5.5 million financing that closed on April 2, 2026 together with $5.7 million in capital raised in Q1-2026, expected to provide Company with cash runway into 2027$4.5 million of accrued VAT refunds and R&D refundable tax credits from UK subsidiary begin maturing, including $1.9 million VAT cash refund expected in June 2026Successful EMA and Australia TGA (ATGA) meetings aligned around use of existing biomarker and pending release of 3-year overall survival data to support Conditional Marketing...

OS Therapies to Announce First Quarter 2026 Financials on Monday, May 18, 2026

Fri, 15 May 2026 16:05:00 -0400

New York, New York and Rockville, Maryland--(Newsfile Corp. - May 15, 2026) - OS Therapies, Inc. (NYSE American: OSTX) ("OS Therapies" or "the Company"), the world leader in gene-edited, listeria-based cancer immunotherapies, announced that it will announce first quarter 2026 financials and provide a business update on the morning of Monday May 18, 2026. About OS TherapiesOS Therapies is a clinical stage oncology company focused on the identification, development, and commercialization of...

OS Therapies Appoints Industry Leader Dr. Craig Eagle as Chief Medical Advisor

Thu, 14 May 2026 07:30:00 -0400

Appointment strengthens medical, regulatory, and commercial leadership as Company prepares to complete early market access regulatory filings in the U.S., U.K, Europe and Australia in anticipation of OST-HER2 approval decisions expected by year-end 2026Upcoming FDA Pre-BLA meeting will focus on the use of recent seroconversion biomarker data as a key surrogate clinical efficacy endpoint to support a BLA for OST-HER2 under the Accelerated Approval ProgramCommercialization and reimbursement...

OS Therapies Announces EMA Initiates Rolling Review of Conditional Marketing Authorization Application for OST-HER2 in the Prevention or Delay of Recurrence in Fully Resected Pulmonary Metastatic Osteosarcoma

Thu, 30 Apr 2026 06:00:00 -0400

Conference call scheduled for Thursday, April 30, 2026, at 8:30 am ET to review new OST-HER2 immune pharmacodynamic biomarker response (seroconversion) data and review regulatory successes validating the OST-HER2 approach. Participants will include strategic advisors Dr. Craig Eagle and Dr. Bob Langer, and Osteosarcoma key opinion leader Dr. Peter Anderson from Cleveland Clinic.EMA and Australia TGA (ATGA) align on 3-year overall survival as the approvable clinical efficacy endpoint for...

OS Therapies Schedules OST-HER2 Pharmacodynamic Response Biomarker Conference Call on April 30, 2026 at 8:30am ET

Mon, 27 Apr 2026 16:01:00 -0400

Regulatory feedback from April 2026 EMA and Australian TGA meetingsRemaining Q2-2026 regulatory meetings include two U.S. FDA meetings and one U.K. MHRA meeting, in addition to follow-up meetings with EMA and Australian TGANew York, New York--(Newsfile Corp. - April 27, 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 will be hosting a conference call on...

OS Therapies Files New Patent Application Covering Biomarkers of the Immune Response to Listeria Monocytogenes

Thu, 16 Apr 2026 07:20:00 -0400

New patent application covers treatment-emergent immune signature related to 'turning cold tumors hot' and the activation of targeted cytotoxic cellular immune responses Company to host conference call later in April 2026 to review new biomarker signatureBiomarker signature meets pharmacodynamic/response criteria established by FDA's Biomarkers, EndpointS and other Tools (BEST) program for use as a surrogate clinical endpoint of 1-year event free survival and 2-year overall survival in...