WEE1

Equity Insider News Commentary Issued on behalf of Avant Technologies Inc. VANCOUVER, BC, May 5, 2025 /PRNewswire/ --The integration of artificial intelligence (AI) into healthcare is here to stay, and adoption is accelerating. According to research from PYMNTS Intelligence which polled C-suite executives at healthcare companies generating at least $1 billion in annual revenue, 90% already see positive ROI from investments in generative AI (GenAI). Analysts are projecting that by 2035 the gross value added by AI to the healthcare industry will be $461 billion on top of a baseline $2.26 trillion. Behind the scenes, several new AI healthcare tech developments are taking place, with updates recently coming from Avant Technologies, Inc. (OTCQB: AVAI), Tempus AI, Inc. (NASDAQ: TEM), Tevogen Bio Holdings Inc. (NASDAQ: TVGN), GE HealthCare Technologies Inc. (NASDAQ: GEHC), and Schrödinger, Inc. (NASDAQ: SDGR). At the regulatory level, the World Health Organization (WHO) recently announced a major global initiative to set unified standards for AI in healthcare, the US Food and Drug Administration (FDA) is working to catch up on approving new AI tech in the sector, with the latest being a cardioverter defibrillator. Avant Technologies, Inc. (OTCQB: AVAI), an emerging leader in AI-driven healthcare innovation, continues to accelerate its push into AI-powered healthcare diagnostics through its joint venture with Ainnova Tech, operating through Ai-nova Acquisition Corp. (AAC), a jointly controlled entity that holds global licensing rights to VisionAI and its supporting hardware. The two companies recently announced that the FDA has officially received their request for a pre-submission meeting for VisionAI, the joint venture's flagship screening platform. This marked a pivotal moment in Avant's trajectory. VisionAI uses a combination of retinal imaging, patient vitals, and advanced algorithms to identify early warning signs of diabetic retinopathy, cardiovascular disease, liver fibrosis, kidney disease, and type 2 diabetes—often before symptoms are visible. Studies show that AI tools can detect diabetic retinopathy and other chronic conditions with sensitivities exceeding 90%, often identifying issues before symptoms appear—according to NIH. "This milestone reflects our two-tiered strategy, rapid deployment in low-regulation markets where VisionAI operates as a screening tool, and simultaneous progress toward FDA clearance for the U.S. market," said Vinicio Vargas, CEO at Ainnova and a member of AAC's Board of Directors. "Entering the U.S. will unlock significant commercial potential, and early engagement with regulators ensures we do so with speed, credibility, and a validated product." The upcoming FDA meeting will help finalize the clinical trial design and confirm the regulatory pathway for a 510(k) submission in the U.S., setting the stage for broader deployment. What sets AVAI apart from many AI-in-healthcare names is that its technology is already in the field. VisionAI has been rolled out through commercial pilot programs across Latin America, including Chile, the Dominican Republic, Mexico, and Brazil. These early deployments are generating real-world data while demonstrating how early diagnostics can reduce system-wide costs and improve outcomes in primary care environments. In recent months, AAC expanded its portfolio with four newly licensed diagnostic algorithms from one of Asia's largest healthcare networks, validated on more than 2.3 million clinical cases. These models are now integrated into VisionAI to enhance its detection capabilities across multiple chronic disease categories. On the clinical development front, Avant's partner Ainnova has brought on global contract research organization Fortrea to help guide its FDA strategy. With both emerging-market traction and U.S. regulatory progress advancing in parallel, the company appears to be executing on a dual-pronged strategy: building early market access where regulatory barriers are lower, while preparing for the commercial scale and reimbursement potential of the U.S. healthcare system. For investors tracking small-cap companies operating at the intersection of AI, diagnostics, and chronic disease management, Avant Technologies may be worth a closer look. As the FDA process moves forward and pilot programs scale, AVAI sits in a rare position—commercially active, globally licensed, and now formally in dialogue with U.S. regulators. Tempus AI, Inc. (NASDAQ: TEM) recently expanded its support for phase I clinical trials by launching the TIME Precision Network, a group of investigators across over 40 research centers focused on rapid activation and enrollment. "The integration of phase I clinical trial sites adds a critical capability to the TIME Network,"said Ezra Cohen, MD, Chief Medical Officer, Oncology at Tempus. "We are now able to activate and efficiently execute these early studies that are fundamental to drug development and such a valuable offering to patients. The reality is that these studies require specific and coordinated infrastructure to be successful, and I am proud that Tempus can now work with these sites and our life science partners to enroll patients into these cutting-edge clinical trials." Recent examples include first-patient-in enrollments within weeks at multiple cancer centers, showcasing the network's efficiency in matching patients to studies. By integrating community oncology sites and streamlining site activation, Tempus is lowering access barriers to early-stage trials across underserved regions. Tevogen Bio Holdings Inc. (NASDAQ: TVGN) is advancing its AI-driven precision medicine capabilities through a new partnership with Databricks, focused on accelerating the development of its PredicTcell platform. The collaboration will enhance Tevogen's ability to model immunologically active peptide complexes and predict T cell receptor (TCR) engagement. This builds on the company's ExacTcell™ platform and complements other strategic alliances under the Tevogen.AI umbrella, including support from Microsoft Research. Together, these efforts aim to integrate clinical immunology with cutting-edge AI to fast-track the discovery and development of next-generation T cell therapies. GE HealthCare Technologies Inc. (NASDAQ: GEHC) is deepening its commitment to AI-driven oncology solutions with the launch of MR Contour DL, a new FDA-cleared model for organ segmentation in radiation therapy planning. "We're committed to advancing MR imaging capabilities in radiation therapy to deliver more accurate and precise care," said Kelly Londy, President and CEO, MR, GE HealthCare. "The anticipated addition of Spectronic's software offering to our portfolio would support our vision for an MR-based radiation oncology workflow and would help enable high-precision treatment planning for radiotherapy patients across the globe." The company also announced its intent to integrate Spectronic Medical's MRI Planner software to support MR-only workflows across global radiotherapy centers. These tools are being folded into the expanded Intelligent Radiation Therapy (iRT) solution, which now supports third-party AI applications and accelerates the treatment timeline. By combining MR imaging, automation, and deep learning, GE HealthCare aims to raise the precision and accessibility of radiotherapy worldwide. Schrödinger, Inc. (NASDAQ: SDGR) recently presented new preclinical data at AACR 2025 on two targeted cancer therapies developed using its proprietary computational platform. Among the findings, a machine learning model predicted synergistic drug combinations for its Wee1 inhibitor SGR-3515, enhancing its potential use across multiple tumor types. "The preclinical data for SGR-3515 and SGR-4174 further demonstrate that molecules discovered and developed by Schrödinger have favorably differentiated molecular profiles compared to existing development-stage molecules," said Karen Akinsanya, Ph.D, President of R&D therapeutics at Schrödinger. "The preclinical profiles of these development candidates reinforce the power of our computationally-driven approach to designing molecules that meet challenging target product profiles and have the potential for meaningful benefit to patients." The company's AI-driven discovery approach continues to yield differentiated molecules with promising therapeutic profiles. As AI continues to evolve from concept to clinical application, these companies are quietly shaping the future of medicine at the infrastructure level. With regulatory momentum building and real-world deployments expanding, investors may want to pay attention as this shift begins to accelerate. CONTACT: Equity Insider [email protected] (604) 265-2873 DISCLAIMER: Nothing in this publication should be considered as personalized financial advice. We are not licensed under securities laws to address your particular financial situation. No communication by our employees to you should be deemed as personalized financial advice. 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Phase 2 registration-intent trial enrolling Part 2a dose confirmation arms Topline data from DENALI Part 2 anticipated by year end 2026 with the potential to support an accelerated approval, subject to FDA feedback SAN DIEGO, April 28, 2025 (GLOBE NEWSWIRE) -- Zentalis® Pharmaceuticals, Inc. (Nasdaq: ZNTL), a clinical-stage biopharmaceutical company developing a potentially first-in-class and best-in-class WEE1 inhibitor for patients with ovarian cancer and other tumor types, today announced that the first patient has been dosed in Part 2 of the Phase 2 DENALI clinical trial (NCT05128825) of azenosertib in patients with Cyclin E1+ platinum-resistant ovarian cancer (PROC). As previously disclosed, the Company aligned with the U.S. Food and Drug Administration (FDA) on the design of DENALI Part 2, which allows for seamless enrollment in the two parts of the trial: Part 2a is designed to confirm the primary dose-of-interest with a target enrollment of approximately 30 patients at each of two dose levels: 400mg QD 5:2 and 300mg QD 5:2 (intermittent daily dosing on a five days on, two days off dosing schedule).Part 2b is designed to enroll approximately 70 additional patients at the selected dose, which will be informed by the Part 2a results, subject to FDA feedback. The Company expects to disclose topline data from DENALI Part 2 by year end 2026 and if successful, this trial has the potential to support an accelerated approval, subject to FDA review. “Dosing the first patient in Part 2 of the DENALI study is an important milestone for Zentalis as we continue the clinical development of azenosertib,” said Ingmar Bruns, M.D., Chief Medical Officer of Zentalis. “We are proud that azenosertib is one step closer to our goal of addressing a tremendous unmet need. We are grateful to our patients and their families for participating in this trial, which has the potential to result in a treatment option for thousands of women diagnosed with Cyclin E1+ PROC.” Previously disclosed clinical data from Part 1b of the DENALI study showed clinically meaningful results in patients with Cyclin E1+ PROC. As of the January 13, 2025 data cutoff, patients who were response-evaluable (n=43) had an objective response rate (ORR) of 34.9% and a median duration of response (mDOR) of 6.3 months. The mDOR is subject to change as there were patients with ongoing responses as of the cutoff date. The data also established Cyclin E1 protein overexpression, regardless of CCNE1 gene amplification, as a sensitive and specific predictive biomarker that can be used to identify patients who could potentially derive benefit from azenosertib. Zentalis estimates that about half of PROC patients overexpress Cyclin E1 protein based on its proprietary immunohistochemistry cutoff. About Azenosertib Azenosertib is a novel, selective, and orally bioavailable inhibitor of WEE1 currently being evaluated as a monotherapy and combination clinical studies in ovarian cancer and additional tumor types. WEE1 acts as a master regulator of the G1-S and G2-M cell cycle checkpoints, through negative regulation of both CDK1 and CDK2, to prevent replication of cells with damaged DNA. By inhibiting WEE1, azenosertib enables cell cycle progression, despite high levels of DNA damage, thereby resulting in the accumulation of DNA damage and leading to mitotic catastrophe and cancer cell death. About Zentalis Pharmaceuticals Zentalis® Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company developing azenosertib (ZN-c3), a potentially first-in-class and best-in-class WEE1 inhibitor for patients with Cyclin E1+ platinum-resistant ovarian cancer (PROC). Azenosertib is being evaluated as a monotherapy and in combination across multiple tumor types in clinical trials and has broad franchise potential. In clinical trials, azenosertib has been well tolerated and has demonstrated anti-tumor activity as a single agent across multiple tumor types. The Company is also leveraging its extensive experience and capabilities to translate its science to advance research on additional areas of opportunity for azenosertib outside PROC. Zentalis has operations in San Diego. For more information, please visit www.zentalis.com. Follow Zentalis on X/Twitter at @ZentalisP and on LinkedIn at www.linkedin.com/company/zentalis-pharmaceuticals Forward-Looking Statements This press release contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, as amended. All statements contained in this press release that do not relate to matters of historical fact should be considered forward-looking statements, including, but not limited to, statements regarding the potential of azenosertib, including the potential for azenosertib to become a treatment option for women with Cyclin E1+ PROC, our goal for azenosertib to address a tremendous unmet need; our anticipated milestones and the timing thereof, including the timing of clinical data disclosures; the potential to advance research on additional areas of opportunity for azenosertib outside PROC; the potential for azenosertib to be first-in-class and best-in-class; the potential for Cyclin E1 to serve as a sensitive and predictive biomarker that can be used to identify patients who could potentially derive benefit from azenosertib; our estimate of how many PROC patients overexpress Cyclin E1 based on our proprietary immunohistochemistry cutoff; and our planned clinical development strategy and regulatory strategy for azenosertib and the timing thereof, including plans for registration-intent studies and the potential for DENALI Part 2 to support an accelerated approval. The terms “anticipated,” “can,” “could,” “estimate,” “expect,” “intent,” “opportunity,” “potential,” and “will” and similar references are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. These statements are neither promises nor guarantees, but involve known and unknown risks, uncertainties and other important factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements, including, but not limited to, the following: our limited operating history, which may make it difficult to evaluate our current business and predict our future success and viability; we have and expect to continue to incur significant losses; our need for additional funding, which may not be available; our plans, including the costs thereof, of development of companion diagnostics; our substantial dependence on the success of azenosertib; the outcome of preclinical testing and early trials may not be predictive of the success of later clinical trials; failure to identify additional product candidates and develop or commercialize marketable products; potential unforeseen events during clinical trials could cause delays or other adverse consequences; risks relating to the regulatory approval process or ongoing regulatory obligations; failure to obtain U.S. or international marketing approval; our product candidates may cause serious adverse side effects; inability to maintain our collaborations, or the failure of these collaborations; our reliance on third parties; effects of significant competition; the possibility of system failures or security breaches; risks relating to intellectual property; our ability to attract, retain and motivate qualified personnel, and risks relating to management transitions; significant costs as a result of operating as a public company; and the other important factors discussed under the caption “Risk Factors” in our most recently filed periodic report on Form 10-K or 10-Q and subsequent filings with the U.S. Securities and Exchange Commission (SEC) and our other filings with the SEC. Any such forward-looking statements represent management’s estimates as of the date of this press release. While we may elect to update such forward-looking statements at some point in the future, we disclaim any obligation to do so, even if subsequent events cause our views to change. ZENTALIS® and its associated logo are trademarks of Zentalis and/or its affiliates. All website addresses and other links in this press release are for information only and are not intended to be an active link or to incorporate any website or other information into this press release. Contact: Haibo Wang - Chief Business OfficerRon Moldaver - Investor Relationsir@zentalis.com

Boehringer Ingelheim is paying an upfront fee, of publicly undisclosed size, for global rights to the ALT program.\n Boehringer Ingelheim has slipped another piece of its oncology R&D strategy into place, partnering with Tessellate Bio on a synthetic lethal program in a deal worth more than 500 million euros ($570 million) in biobucks. European biotech Tessellate exited stealth in 2023 with a focus on novel synthetic lethality approaches. PARP inhibitors have shown the potential to shrink tumors by targeting pairs of genes that are essential for the survival of cancer cells. Companies including AstraZeneca and Merck KGaA are studying forms of synthetic lethality beyond the homologous recombination deficiency pathway targeted by PARP drugs. Tessellate has found a largely unclaimed piece of territory, namely tumors that depend on alternative lengthening of telomeres (ALT) for their growth. About 10% to 15% of cancers rely on ALT, according to the biotech. ALT-positive tumors are associated with poor prognosis and a lack of targeted therapies. Boehringer is paying an upfront fee, of publicly undisclosed size, for global rights to the ALT program. Once milestones and other fees are factored in, the value of the agreement could swell to more than 500 million euros.  Telomeres, the caps at the ends of chromosomes, shorten with each cell division and limit the life span of cells. Some cancers, including many sarcomas, gliomas and neuroepithelial tumors, use ALT to maintain telomere length. Tumors’ reliance on ALT creates opportunities to selectively kill cancer cells by targeting the mechanism. Tessellate said it has developed inhibitors of an undisclosed target that helps enable uncontrolled growth of ALT-positive cancer cells. Blocking the target drives DNA damage, replication stress and cell death, the biotech said. When it exited stealth, Tessellate said its lead ALT program targeted the FANCM protein complex. Studies have shown FANCM suppresses DNA replication stress at ALT telomeres. Artios Pharma, another European biotech, has a discovery-stage ALT program, but the industry’s efforts to expand synthetic lethality have largely focused on other pathways to date. AstraZeneca, which helped put PARP inhibitors on the map, is running trials of drug candidates that hit targets including ATR. Other targets include WEE1, USP1 and POLθ.