CNS Pharmaceuticals Acquires Orphan Drug Designation for Novel, Late Stage Abeotaxane, TPI 287

Company advancing plans to develop TPI 287, a novel, late stage abeotaxane that appears to cross the blood-brain barrier and has published clinical efficacy data in glioblastoma multiforme (GBM)

Management releases "What This Means" segment discussing the receipt of Orphan Drug Designations for TPI 287; Access here

HOUSTON, TX / ACCESS Newswire / May 13, 2025 / CNS Pharmaceuticals, Inc. (NASDAQ:CNSP) ("CNS" or the "Company"), a biopharmaceutical company specializing in the development of novel treatments for primary and metastatic cancers in the brain and central nervous system, today announced the successful transfer from Cortice Biosciences, Inc. of Orphan Drug Designation for TPI 287. The U.S. Food and Drug Administration (FDA) previously granted Orphan Drug Designations for TPI 287 in treating gliomas, pediatric neuroblastoma, and progressive supranuclear palsy. Additionally, the Company announced the release of a "What This Means" segment to discuss the Orphan Drug Designations for TPI 287, which is now available here.

TPI 287 is an abeotaxane with the same mechanism of action as other taxanes, such as paclitaxel (Taxol®) and docetaxel; it stabilizes microtubules and inhibits cell division, causing apoptosis and cell death. Although most taxanes are substrates for multi-drug resistant transporters that maintain the blood brain barrier (BBB), TPI 287's clinical data suggest it has the potential to cross the BBB and treat CNS tumors. In a Phase 1 trial treating glioblastoma patients with TPI 287 in combination with bevacizumab (Avastin®), data include 3 Complete Responses and 9 Partial Responses out of 23 patients evaluable.

CNS CEO John Climaco stated, "The successful transfer of the Orphan Drug Designations for TPI 287 demonstrates our operational efficiency as well as our ongoing commitment to the development of neuro oncology-focused, cutting-edge chemotherapies. As we prepare to commence patient enrollment for a Phase 2 study around year-end 2025, this important step also recognizes the significant protection Orphan status may confer in the form of seven years of market exclusivity. Our TPI 287 program is supported by published clinical and radiologic data showing positive activity against GBM, and a favorable safety profile from testing in hundreds of patients. With our demonstrated commitment to defeating this deadly disease, we will be aggressively developing TPI 287 as a treatment option for GBM, where patients continue to face a near-uniformly fatal unmet clinical need."

The FDA Office of Orphan Products Development grants Orphan Drug Designation to products that show the potential to treat rare diseases or conditions, which primarily are those that affect fewer than 200,000 people in the U.S. Orphan Drug Designation qualifies a company for a number of benefits intended to provide incentives to develop drugs for rare diseases or conditions, including tax credits, exemptions from certain FDA fees (which can be significant), and the potential for seven years of market exclusivity following drug approval.

About CNS Pharmaceuticals, Inc.

CNS Pharmaceuticals is a clinical-stage pharmaceutical company developing a pipeline of anti-cancer drug candidates for the treatment of primary and metastatic cancers of the brain and central nervous system.

The Company's drug candidate TPI 287 is an abeotaxane, which stabilizes microtubules and inhibits cell division, causing apoptosis and cell death. The initial clinical efficacy data suggest TPI 287 has the potential to cross the blood-brain barrier and treat CNS tumors. TPI 287 also has been tested in over 350 patients in clinical trials as a monotherapy and in combination with bevacizumab for the treatment of a range of diseases or conditions, including recurrent glioblastoma, recurrent neuroblastoma and medulloblastoma, advanced malignancies, progressive neoplastic disease, advanced unresectable pancreatic cancer, metastatic melanoma, and breast cancer metastatic to the brain. To date TPI 287 appears have both an excellent safety profile and high tolerability among patients.

For more information, please visit www.CNSPharma.com, and connect with the Company on X, Facebook, andLinkedIn.

CONTACTS

Investor Relations Contact

JTC Team, LLC Jenene Thomas 908.824.0775 [email protected]

SOURCE: CNS Pharmaceuticals, Inc.

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