On January 28, 2025 Intensity Therapeutics, Inc. (Nasdaq: INTS), ("Intensity" or "the Company") a late-stage clinical biotechnology company focused on the discovery and development of proprietary, novel immune-based intratumoral cancer therapies designed to kill tumors and increase immune system recognition of cancers, reported that following its most recent periodic review meeting, the Data Monitoring Committee (DMC) overseeing the Company’s ongoing Phase 3 sarcoma study of INT230-6 (INVINCIBLE-3) (NCT06263231) has agreed that the study should continue without modification (Press release, Intensity Therapeutics, JAN 28, 2025, View Source [SID1234649915]). The DMC reviewed data covering the six months from July to December 2024.
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"The Data Monitoring Committee is designed to confidentially review data to determine whether safety concerns with the data collected to date exist. We are encouraged by the continuation of the trial and continue to believe that INT230-6 represents important potential in a treatment area that has significantly unmet medical need. We look forward to continuing enrollment and to providing further updates as they develop," commented Lewis H. Bender, Intensity’s President and Chief Executive Officer.
INVINCIBLE-3 Study Overview
The INVINCIBLE-3 Study is a global open-label, randomized, controlled study designed to evaluate INT230-6 administered intratumorally by an interventional radiologist or an equivalently trained physician using image guidance compared to systemically dosed standard of care ("SOC") chemotherapy. The study endpoints are overall survival and safety, along with an exploratory quality of life (QoL) assessment using the EORTC-30 survey. The study is testing the efficacy and safety of INT230-6 intratumoral (IT) injection compared to any of three standard-of-care therapies (pazopanib, trabectedin, or eribulin) in approximately 333 adult participants with locally recurrent, inoperable, or metastatic soft tissue sarcoma ("STS") patients who had disease progression prior to study enrollment following standard therapies, which must have included an anthracycline-based regimen unless contraindicated. Participants may also have received a maximum of one additional regimen. Randomization will occur after screening and eligibility confirmation. As this is a survival study, there is no crossover allowed between SOC and INT230-6. Disease progression will be determined by the World Health Organization (WHO) criteria. Participants will be prospectively stratified into 1 of 3 histologically defined STS strata:
leiomyosarcoma
liposarcoma (dedifferentiated, myxoid, round cell and pleomorphic)
undifferentiated pleomorphic sarcoma
The comparator agents used are all U.S., Europe, Canadian and Australian-approved agents for sarcomas: pazopanib tablets, trabectedin, and eribulin mesylate. Authorizations for the INVINCIBLE-3 Study have been obtained from the U.S. FDA, Health Canada, the European Medicines Agency, and Australia’s Therapeutic Goods Administration. Sites will be opened in 8 countries and the study is presently recruiting participants in the U.S., Canada, and Europe.
About INT230-6
INT230-6, Intensity’s lead proprietary investigational product candidate, is designed for direct intratumoral injection. INT230-6 was discovered using Intensity’s proprietary DfuseRx℠ technology platform. The drug is comprised of two proven, potent anti-cancer agents, cisplatin and vinblastine sulfate, and a penetration enhancer molecule (SHAO) that helps disperse potent cytotoxic drugs throughout tumors for diffusion into cancer cells. These agents remain in the tumor, resulting in a favorable safety profile. In addition to local disease control and direct tumor killing, INT230-6 causes a release of a bolus of neoantigens specific to the malignancy, leading to immune system engagement and systemic anti-tumor effects. Importantly, these effects are mediated without immunosuppression, which often occurs with systemic chemotherapy.