Caris Life Sciences Demonstrates Scientific Rigor with Clinical Validation of FDA-Approved MI Cancer Seek®

, /PRNewswire/ -- Caris Life Sciences® (NASDAQ: CAI), a leading, patient-centric, next-generation AI TechBio company and precision medicine pioneer, has published a study in Oncotarget validating the analytical and clinical performance of MI Cancer Seek®. This FDA-approved assay is used as a companion diagnostic (CDx) to identify cancer patients who may benefit from targeted therapies. It includes one pan-cancer and five tumor-specific indications for numerous FDA-approved therapies. MI Cancer Seek is the first and only test to combine whole exome sequencing (WES) and whole transcriptome sequencing (WTS) with FDA-approved CDx indications for solid tumor profiling in both adult and pediatric patients, marking a significant advancement in precision oncology. The study demonstrates that MI Cancer Seek works reliably for detecting multiple variant types of high clinical significance, and that its approved medical uses follow strict laboratory standards. The assay supports eight companion diagnostic (CDx) claims, each addressing high clinical burden areas and demonstrating strong performance when compared to other FDA-approved assays, with positive and negative percent agreement ranging from 97% to 100%. MI Cancer Seek offers the added benefit of simultaneous RNA and DNA extraction from minimal tissue input compared to other tissue-based assays that may require individual testing processes for DNA and RNA and result in increased tissue requirements and potential delays. "MI Cancer Seek provides a comprehensive molecular blueprint that saves tissue without compromising results. The study results underscore our commitment to ongoing scientific integrity and validation," said David Spetzler, MS, PhD, MBA, President of Caris. "Patients and physicians deserve this level of diligence and scientific rigor when selecting a molecular profiling assay to inform cancer treatment." "Broad-based biomarker panels are key to improving outcomes in precision medicine, yet many patients still miss out on comprehensive molecular profiling," said George W. Sledge, Jr., MD, Caris EVP and Chief Medical Officer. "By integrating companion diagnostic tests into multi-gene panels that make the most of tissue samples, we can reduce inefficiencies and potentially help more patients access personalized therapies." MI Cancer Seek is a next-generation sequencing (NGS) based in vitro diagnostic (IVD) device using total nucleic acid (TNA) isolated from formalin-fixed paraffin-embedded (FFPE) tumor tissue specimens for the detection of single nucleotide variants (SNVs) and insertions and deletions (indels) in 228 genes, microsatellite instability (MSI), tumor mutational burden (TMB) in patients with previously diagnosed solid tumors, and copy number amplification (CNA) in one gene in patients with breast cancer. MI Cancer Seek is intended as a companion diagnostic to identify patients who may benefit from treatment with the targeted therapies, in accordance with the approved therapeutic product labeling. Additionally, MI Cancer Seek is intended to provide tumor mutational profiling to be used by qualified healthcare professionals in accordance with professional oncology guidelines for cancer patients with previously diagnosed solid malignant neoplasms. The publication can be viewed in its entirety on the Caris Life Sciences website. About Caris Life Sciences Caris Life Sciences® (Caris) is a leading, patient-centric, next-generation AI TechBio company and precision medicine pioneer that is actively developing and commercializing innovative solutions to transform healthcare. Through comprehensive molecular profiling (Whole Exome and Whole Transcriptome Sequencing) and the application of advanced AI and machine learning algorithms at scale, Caris has created the large-scale, multimodal clinico-genomic database and computing capability needed to analyze and further unravel the molecular complexity of disease. This convergence of next-generation sequencing, AI and machine learning technologies, and high-performance computing provides a differentiated platform to develop the latest generation of advanced precision medicine diagnostic solutions for early detection, diagnosis, monitoring, therapy selection and drug development. Caris was founded with the belief and vision that combining a vast set of consistently generated molecular information with robust data-driven insights could realize the potential of precision medicine for patients. Headquartered in Irving, Texas, Caris has offices in Phoenix, New York, Cambridge (MA), Tokyo, Japan and Basel, Switzerland. Caris or its distributor partners provide services in the U.S. and other international markets. Forward Looking StatementsThis press release contains forward-looking statements, within the meaning of the federal securities laws, about Caris Life Sciences and its business. All statements other than statements of historical facts contained in this press release are forward-looking statements. In some cases forward-looking statements can be identified by words such as "may," "will," "should," "would," "expect," "plan," "anticipate," "could," "intend," "target," "project," "potential," "contemplate," "believe," "estimate," "predict," "potential," "supports" or "continue" or similar expressions. You should not rely upon forward-looking statements as predictions of future events. Although we believe that the expectations reflected in these forward-looking statements are reasonable based on information currently available to us, we cannot guarantee that the future results, discoveries, levels of activity, performance or events and circumstances reflected in forward-looking statements will be achieved or occur. Forward-looking statements involve known and unknown risks and uncertainties, some of which are beyond our control. Risks and uncertainties that could cause our actual results to differ materially from those indicated or implied by the forward-looking statements in this press release include, among other things: developments in the precision oncology industry; future financial performance, results of operations or other operational results or metrics; development, validation and timing of future solutions; the rapidly evolving competitive environment in which we operate; third-party payer reimbursement and coverage decisions; our ability to protect and enhance our intellectual property; regulatory requirements, decisions or approvals (including the timing and conditions thereof) related to our solutions; our compliance with laws and regulations; and our ability to hire and retain key personnel as well as risks, uncertainties, and other factors described in the section titled "Risk Factors" and elsewhere in the prospectus for our initial public offering filed with the Securities and Exchange Commission on June 20, 2025, and in our other filings we make with the SEC from time to time. We undertake no obligation to update any forward-looking statements to reflect changes in events, circumstances or our beliefs after the date of this press release, except as required by law. Caris Life Sciences Media: Corporate Communications[email protected]214.294.5606 SOURCE Caris Life Sciences WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In

Caris Life Sciences Demonstrates Scientific Rigor with Clinical Validation of FDA-Approved MI Cancer Seek®

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