SV BR 1 GM cancer vaccine ( BriaCell Therapeutics)

Median overall survival (OS) to date of 13.4 months for Phase 2 patients treated with the Phase 3 formulation (15.6 months for those treated since 2022), double that of comparable patients in the literatureFinal Phase 2 OS calculation is pending as many patients remain alive well over 1 year after starting the studyMedian OS of 13.7 months in breast cancer patients with central nervous system (CNS) metastasis treated with the Bria-IMT™ regimen alone or in combination with an immune check point inhibitor (CPI)Five BriaCell posters (four today and one on Dec 13th) showcase robust survival and clinical benefit data, plus key biomarker data from Phase 2 trial of Bria-IMT™ in metastatic breast cancer (MBC)Biomarkers identify patients who benefit from treatments with the Bria-IMT™ regimenNo toxicity related discontinuations PHILADELPHIA and VANCOUVER, British Columbia, Dec. 11, 2024 (GLOBE NEWSWIRE) -- BriaCell Therapeutics Corp. (Nasdaq: BCTX, BCTXW) (TSX: BCT) (“BriaCell” or the “Company”), a clinical-stage biotechnology company that develops novel immunotherapies to transform cancer care, is pleased to showcase its impressive survival and clinical benefit data in MBC patients, including those with CNS metastases, treated with the Bria-IMT™ plus CPI regimen. The data is featured in BriaCell’s “Spotlight” poster presentation session, at the 2024 San Antonio Breast Cancer Symposium® (SABCS®) held at Henry B. Gonzalez Convention Center, San Antonio, TX. “Metastatic breast cancer remains an essentially incurable disease, with a significant unmet medical need in patients who are relapsed/refractory to recently approved therapies such as CPIs and antibody-drug conjugates (ADCs),” stated Dr. William V. Williams, BriaCell’s President & CEO. “We are very pleased with the Bria-IMT™ combination regimen’s tolerability profile, and most importantly its outstanding clinical activity in heavily pre-treated patients who failed other therapeutic options.” “In addition to our striking survival data in MBC patients, we are excited by potential biomarkers for early identification of patients who would benefit from treatment with the Bria-IMT™ combination regimen,” noted Giuseppe Del Priore, MD, MPH, BriaCell’s Chief Medical Officer. “We expect to replicate Phase 2’s impressive survival and clinical benefit data in our ongoing pivotal Phase 3 study.” “While CNS metastatic disease has historically had a very poor prognosis, our clinical data to date, shows solid survival and clinical benefit in patients with CNS metastasis,” stated Sailaja Kamaraju, MD, Assistant Professor of Medicine at the Medical College of Wisconsin, Division of Hematology and Oncology. “We are optimistic that the Bria-IMT™ combination regimen, with its unique targeted mechanism of action, may be able to produce meaningful clinical and survival benefits in other cancer patients with CNS metastases who have lost hope with little to no other therapeutic options.” The data presented is from the fully enrolled BriaCell Phase 2 combination study of Bria-IMT™ plus CPI. An aggregate of 54 MBC patients were enrolled in the study – all treated with the Bria-IMT™ combination regimen {11 patients received KEYTRUDA® (pembrolizumab), and 43 patients received Incyte’s retifanlimab with one patient cross over from the KEYTRUDA® study to retifanlimab}. Data is available on all 54 of these heavily pre-treated metastatic breast cancer patients (average number of prior treatments = 6). Of these 54 patients, 37 were treated with the formulation currently under investigation in BriaCell’s ongoing pivotal Phase 3 study in metastatic breast cancer (listed on ClinicalTrials.gov as NCT06072612). Final median overall survival calculation for the patients in the Phase 2 portion of the study is pending, as most of these patients remain alive over 1 year following their start on the study. No Bria-IMT™ related discontinuations have been reported to date. The details about the Spotlight presentation and other poster sessions are as follows: Abstract Number: SESS-1071 (Spotlight Poster)Title: Overall survival results of Bria-IMT™ allogenic whole cell-based cancer vaccineTime: Wednesday, December 11, 2024 7:00 AM – 8:30 AM CSTPresentation ID: PS3-06 Bria-IMT™ regimen’s impressive OS and tolerability in MBC patients Median overall survival (OS) to date of 13.4 months for Phase 2 patients treated with the Phase 3 formulation (15.6 months for those treated since 2022 with the Phase 3 formulation) double that of comparable patients in the literature (Cortes J, et al. Annals of Oncology 2018; Kazmi S, et al. Breast Cancer Res Treat. 2020; O’Shaughnessy J et al. Breast Cancer Res Treat. 2022; Tripathy D, et al. JAMA Oncol. 2022; Bardia A, et al. J Clin Oncol. 2024)Final Phase 2 OS calculation is pending as many patients remain alive well over 1 year after starting the studyMedian overall survival (OS) for patients who received the Phase 3 formulation in the Phase 2 portion of the study who also developed an immune response to the vaccine as measured by delayed-type hypersensitivity (DTH) not yet reached with >1 year follow-up13.7 months median OS in MBC patients with central nervous system (CNS)/intracranial tumors treated with the Bria-IMT™ regimen with or without a CPIObjective response rates (ORR) and clinical benefit rates (CBR) were observed across all MBC patient subsets, but positive clinical outcomes were more prominent in HER2+ and HR+/HER2- patient subsetsBria-IMT™ regimen was well-tolerated and produced clinical benefit in heavily pretreated MBC patientsPatients who developed a DTH response had lower neutrophil to lymphocyte ratio (NLR), suggesting improved clinical benefit in these patientsDelayed-type hypersensitivity (DTH) response, and circulating tumor cells (CTC) levels were significantly different between patients who responded vs those who did not respond to the Bria-IMT™ combination regimen In conclusion, clinical findings to date support the potential safety and efficacy of Bria-IMT™, along with its potential use in CNS metastases, as well as the possible use of biomarkers to predict clinical outcomes in BriaCell’s ongoing pivotal Phase 3 study in MBC. Abstract Number: SESS-1431Title: Identification of antigenic determinants in SV-BR-1 derived cellular breast cancer vaccinesTime: Wednesday, December 11, 2024 5:30 – 7:00 PM CSTPresentation ID: P2-06-02 Summary: BriaCell successfully identified immunogenic (i.e. immune system activating) peptides in patients treated with Bria-IMT™, a cell-based cancer vaccine, and showed Bria-IMT™’s ability to produce a targeted immune response against tumor antigens. Key immunogenic peptides detected included those with post-translational modifications (PTMs), such as citrullination and cysteinylation, an important type of neoantigen that may be shared across many patients with cancerHighlighted the advantage of cell-based cancer vaccines over RNA and peptide-based vaccines including their ability to present a broad and diverse repertoire of antigens (i.e. both conventional and unconventional types)Cell-based cancer vaccines also display unknown, patient-specific neoantigens that are hard to reproduce with RNA or peptide vaccinesDiverse antigen presentation produces a robust, polyclonal immune response, engaging both CD8+ and CD4+ T cells against multiple tumor target In conclusion, scientific data presented suggests that the unique mechanism of cell-based cancer vaccines may reduce cancer cells’ immune escape and may potentially lead to strong and long-lasting clinical outcomes in cancer patients. Abstract Number: SESS-2217Title: PD-L1 upregulation in circulating tumor associated cells predicts for clinical outcomes in a phase I/II clinical trial using SV-BR-1-GM vaccine with the checkpoint inhibitor retifanlimab in metastatic breast cancer patients, an interim analysisTime: Wednesday, December 11, 2024 12:00 – 2:00 PM CSTPresentation ID: P1-01-17 Summary:Interim analysis after at least one year of Bria-IMT™ plus CPI regimen shows the following: Significantly lowered levels of circulating tumor cells (CTCs) and cancer associated macrophage-like cells (CAMLs) in 40% of heavily pre-treated MBC patientsLower CTCs/CAMLs levels were significantly correlated with better survival outcomes (i.e. better PFS and trended for better OS)Bria-IMT™ appeared to increase PD-L1 levels in 15 patients which correlated with better clinical responses to combination treatment with the anti-PD-1 check point inhibitor retifanlimab In conclusion, clinical data support the combination regimen in our ongoing pivotal Phase 3 study and suggests CTCs and CAMLs and PD-L1 levels may be relevant indicators of clinical outcome in MBC patients treated with Bria-IMT™ plus CPI. Abstract Number: SESS-1068Abstract Title: ASTRO-VAC CNS: Bria-IMT™ in the management of tumor agnostic metastatic CNS lesionsTime: Wednesday, December 11, 2024 5:30 – 7:00 PM CSTPresentation ID: P2-10-24 Results: The poster provides the details of a planned Phase 2 study design expanding the use of Bria-IMT™ + CPI to tumor agnostic cancer patients (i.e. kidney cancer, brain cancer, etc.) with central nervous system (CNS) metastasis. To view the posters, please visit https://briacell.com/scientific-publications/. About BriaCell Therapeutics Corp. BriaCell is a clinical-stage biotechnology company that develops novel immunotherapies to transform cancer care. More information is available at https://briacell.com/. Safe Harbor This press release contains “forward-looking statements” that are subject to substantial risks and uncertainties. All statements, other than statements of historical fact, contained in this press release are forward-looking statements. Forward-looking statements contained in this press release may be identified by the use of words such as “anticipate,” “believe,” “contemplate,” “could,” “estimate,” “expect,” “intend,” “seek,” “may,” “might,” “plan,” “potential,” “predict,” “project,” “target,” “aim,” “should,” “will,” “would,” or the negative of these words or other similar expressions, although not all forward-looking statements contain these words. Forward-looking statements, including those about the potential safety and efficacy of Bria-IMT™, along with its potential use in CNS metastases; biomarkers assisting with early identification of patients who would benefit from treatment with the Bria-IMT™ combination regimen; BriaCell expecting to replicate Phase 2’s survival and clinical benefit data in its ongoing pivotal Phase 3 study and the Company’s plans to share the data in the coming months; the Bria-IMT™ combination regimen’s ability to produce meaningful clinical and survival benefits in other cancer patients with CNS metastasis; the Company’s ongoing evaluation of biomarkers to predict clinical outcomes in its ongoing pivotal Phase 3 study in MBC; cell-based cancer vaccines potentially reducing cancer cells’ immune escape and leading to strong and long-lasting clinical outcomes in cancer patients; and CTCs, CAMLs and PD-L1 levels having the potential to be relevant indicators of clinical outcomes in MBC patients treated with Bria-IMT™ plus CPI are based on BriaCell’s current expectations and are subject to inherent uncertainties, risks, and assumptions that are difficult to predict. Further, certain forward-looking statements, such as those are based on assumptions as to future events that may not prove to be accurate. These and other risks and uncertainties are described more fully under the heading “Risks and Uncertainties” in the Company’s most recent Management’s Discussion and Analysis, under the heading “Risk Factors” in the Company’s most recent Annual Information Form, and under “Risks and Uncertainties” in the Company’s other filings with the Canadian securities regulatory authorities and the U.S. Securities and Exchange Commission, all of which are available under the Company's profiles on SEDAR+ at www.sedarplus.ca and on EDGAR at www.sec.gov. Forward-looking statements contained in this announcement are made as of this date, and BriaCell Therapeutics Corp. undertakes no duty to update such information except as required under applicable law. Neither the Toronto Stock Exchange nor its Regulation Services Provider (as that term is defined in the policies of the Toronto Stock Exchange) accepts responsibility for the adequacy or accuracy of this release. Contact Information Company Contact:William V. Williams, MDPresident & CEO1-888-485-6340info@briacell.com Media Relations:Jules AbrahamCORE IRjulesa@coreir.com Investor Relations Contact:CORE IRinvestors@briacell.com

USA News Group News Commentary Issued on behalf of Oncolytics Biotech Inc. VANCOUVER, BC, Dec. 2, 2024 /PRNewswire/ -- USA News Group News Commentary – Despite death rates for some cancers being on the decline, there is a global surge in cancer cases among people under 50, with new cases up by 79% overall. Windpipe and prostate cancers are rising fastest, while breast, windpipe, lung, bowel, and stomach cancers have the highest death tolls. The United Nations projects cancer rates to increase by 77% by 2050. To combat this trend, researchers are advancing new therapies, with the FDA approving 16 oncology treatments between July and September 2024. Behind the scenes, biotech developers are making strides, with recent market updates from: O ncolytics Biotech Inc. (NASDAQ: ONCY) (TSX: ONC), Akoya Biosciences, Inc. (NASDAQ: AKYA), Checkpoint Therapeutics, Inc. (NASDAQ: CKPT), BriaCell Therapeutics Corp. (NASDAQ: BCTX), and Arcus Biosciences, Inc. (NYSE: RCUS). There's plenty of tech advancements as well, with the Global AI in Oncology Market growing at a rapid 35% CAGR, towards US$13.6 billion by 2032. Analysts at Spherical Insights project the global oncology drug market is poised to grow at a CAGR of 11.5% towards US$564.50 billion by 2033. Oncolytics Biotech® Announces Key Progress and Upcoming Studies for Breast and Pancreatic Cancer Treatments, Prepares for FDA Accelerated Approval Path Oncolytics Biotech Inc. (NASDAQ: ONCY) (TSX: ONC), a leading clinical-stage company specializing in immunotherapy for oncology, recently announced key progress and upcoming studies for pelareorep, its lead intravenously administered immunotherapy, in ongoing breast and pancreatic cancer trials. Recent clinical efficacy results from Oncolytics' BRACELET-1 trial in HR+/HER2- breast cancer set the stage for a clinical study aimed at supporting accelerated FDA approval. Additionally, Oncolytics' corporate update highlights key milestones anticipated in its gastrointestinal cancer trials in 2025, with the potential for new registration-enabling studies. "We're excited by the recent BRACELET-1 results, which exceeded our expectations and substantiate the strong efficacy signal previously observed in breast cancer patients treated with pelareorep," said Wayne Pisano, Interim CEO and Chair of Oncolytics' Board of Directors. "Having treated well over 100 HR+/HER2- metastatic breast cancer patients in multiple clinical studies, these results provide the basis for a development path leading to an accelerated approval. The BRACELET-1 results, combined with recent feedback from the FDA, give us confidence in our development approach, and we look forward to initiating a clinical trial designed to support the approval of pelareorep as a novel breast cancer therapeutic." The promising efficacy results from BRACELET-1 lay the groundwork for a large clinical trial aimed at supporting accelerated FDA approval. In early 2025, Oncolytics plans to submit a pelareorep + paclitaxel combination therapy trial for breast cancer. The study will enroll around 180 patients with HR+/HER2- advanced or metastatic breast cancer who have progressed on, are ineligible for, or cannot tolerate antibody-drug conjugates (ADCs) like Enhertu—representing an approximately 55,000 patients in the US. The study is designed with sufficient statistical power to achieve a p-value of < 0.05 for a progression-free survival (PFS) benefit of at least 4.3 months. Notably, the BRACELET-1 study showed a 5.7-month PFS advantage for the pelareorep + paclitaxel combination over chemotherapy alone. Enrollment for this registration-enabling study is anticipated to begin in the first half of 2025. "With the continuing evolution of breast cancer treatment, we have designed our breast cancer program with the guidance of leading experts in the field," said Thomas Heineman, M.D., Ph.D., Chief Medical Officer at Oncolytics. "Our plan is designed to obtain a regulatory approval with fewer patients, in a shorter time, and requiring less funding than traditional regulatory pathways. Our thorough understanding of pelareorep's mechanism of action makes us confident that pelareorep-based combination therapy will continue to deliver strong clinical benefits to HR+/HER- breast cancer patients within the current treatment approach." Oncolytics has several major milestones planned for 2025. In the first half of the year, the company aims to launch a registrational study of pelareorep with paclitaxel in HR+/HER2- breast cancer and expects safety run-in data from cohort 5 of the GOBLET study, which examines pelareorep and modified FOLFIRINOX (mFOLFIRINOX), with or without atezolizumab, in newly diagnosed pancreatic cancer. Additionally, updated efficacy data from cohort 4 of the GOBLET study on pelareorep and atezolizumab in later-line anal cancer is anticipated. Once the master protocol is finalized with the Global Coalition for Adaptive Research (GCAR), Oncolytics plans to approach the FDA by year-end. In the second half of 2025, initial efficacy results from cohort 5 of the GOBLET study in pancreatic cancer patients are expected. CONTINUED… Read this and more news for Oncolytics Biotech at: In other industry developments and happenings in the market this week include: Akoya Biosciences, Inc. (NASDAQ: AKYA), which calls itself the Spatial Biology Company®, recently announced that its PhenoCycler® Fusion and PhenoImager® HT platforms will support the UK-funded MANIFEST program. This multimillion-dollar initiative, backed by the Office of Life Sciences and the Medical Research Council, aims to enhance cancer immunotherapy research by examining immune cell interactions in tumors. Akoya's technology will help identify biomarkers that may predict patient responses and potential side effects. " Akoya Biosciences is proud to be a part of the MANIFEST consortium, contributing our spatial proteomics leadership and expertise with the aim of improving patient care through this groundbreaking effort," said Brian McKelligon, CEO of Akoya Biosciences. "Our technology can help to identify key biomarkers, supporting the consortium's efforts to advance personalized medicine and ensure that more cancer patients can benefit from the potential of immunotherapy." Checkpoint Therapeutics, Inc. (NASDAQ: CKPT), a clinical-stage immunotherapy and targeted oncology company, recently presented longer-term data from its pivotal trial of cosibelimab, its anti-programmed death ligand-1 ("PD-L1") antibody, in locally advanced and metastatic cutaneous squamous cell carcinoma ("cSCC"). With 16 months of additional follow-up, cosibelimab achieved objective response rates of 54.8% in locally advanced and 50.0% in metastatic cutaneous squamous cell carcinoma (cSCC), with durable responses still ongoing. The treatment showed a manageable safety profile, with low rates of severe adverse events and a 6.3% treatment discontinuation rate, mostly due to COVID-19. "These longer-term results for cosibelimab presented at the ESMO Congress demonstrate a deepening of response over time, with higher objective response and complete response rates than initially observed at the primary analyses, and continue to expand the evidence supporting the efficacy and safety of cosibelimab as a potential new treatment for advanced cSCC," said James Oliviero, President and CEO of Checkpoint. "We look forward to our upcoming December 28, 2024, Prescription Drug User Fee Act ("PDUFA") goal date for our Biologics License Application for cosibelimab, and believe, if approved, cosibelimab's dual mechanisms of action and safety profile may position the product, over time, as the preferred immunotherapy of U.S. oncologists." BriaCell Therapeutics Corp. (NASDAQ: BCTX), a clinical-stage biotech company developing novel immunotherapies to transform cancer care, recently reported dramatic anti-tumor response, including complete resolution of temporal lobe breast cancer metastasis in a patient treated in the Phase 2 study of BriaCell's Bria-IMT™ plus an immune checkpoint inhibitor regimen. The patient demonstrated an initial partial response at 2 months in the brain lesion with no detectable disease following 8 and 11 months of treatment. "We believe that the complete tumor resolution in this patient with brain metastasis, plus other cases of significant anti-cancer clinical responses in our Phase 2 MBC patients with brain metastasis, highlight the potential application of Bria-IMT™ in treating similar MBC patients," said Dr. Giuseppe Del Priore, Chief Medical Officer of BriaCell. "The protracted time on therapy, now one year, attests to the excellent tolerability of the Bria-IMT™ regimen in combination with an immune checkpoint inhibitor which is being used in our pivotal Phase 3 study." Arcus Biosciences, Inc. (NYSE: RCUS), a clinical-stage global biopharmaceutical company, recently announced a clinical trial agreement with AstraZeneca to evaluate Arcus's investigational HIF-2a inhibitor casdatifan (AB51) in combination with volrustomig, AstraZeneca's investigational PD-1/CTLA-4 bispecific antibody, in patients with clear cell renal cell carcinoma (ccRCC). "We believe casdatifan has best-in-class potential, based on the observed PK and PD profiles and the emerging clinical data from our ARC-20 study in patients with ccRCC," said Terry Rosen, Ph.D., CEO of Arcus. "This agreement will enable Arcus and AstraZeneca to collaborate and assess the potential for the novel combination of casdatifan with volrustomig to improve outcomes for patients with ccRCC." 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