Monoclonal antibody(Xencor, Inc.)

Late-breaking presentation of data at American Transplant Congress on Monday, June 3Data show potential to monitor for therapeutic efficacy and recurrencePotential repeat testing opportunities with claims expansion IRVINE, Calif., May 30, 2024 (GLOBE NEWSWIRE) -- Oncocyte Corporation (Nasdaq: OCX), a precision diagnostics company, today announced that favorable data regarding its lead product VitaGraft™ Kidney was published in the New England Journal of Medicine. Oncocyte’s Drs. Ekke Schuetz and Julia Beck, inventors of the technology, are among the authors of the study. VitaGraft Kidney was used to monitor graft injury in a phase 2 double-blind, placebo-controlled study (NCT05021484) of the investigational drug felzartamab, a fully human CD38 monoclonal antibody, for antibody-mediated rejection (AMR), a leading cause of kidney allograft failure. VitaGraft Kidney measures the amount of DNA in transplant patients’ blood that comes from the donor organ, a key biomarker for assessing graft health. This process is commonly referred to as donor-derived cell-free DNA (dd-cfDNA) testing and is widely used in clinical practice today. In this study, Oncocyte’s proprietary diagnostic test using droplet-digital PCR was able to identify responders and non-responders to felzartamab, showing, “a decrease in dd-cfDNA fractions at week 12 (0.33% [0.25−0.40] versus 0.95% [0.37−1.63]; mean difference: −0.75%; 95% CI: −1.41, −0.09) and week 24 (0.31% [0.21−0.49] versus 0.82% [0.34−2.90]).” The study points to new clinical utilities for VitaGraft Kidney beyond the Company’s currently approved and reimbursed indication of for cause testing. Both therapeutic efficacy and recurrence monitoring are potential new use cases for dd-cfDNA testing. Both utilities would be expected to require multiple tests during the active management phase, when a drug is being given, and long-term to help doctors watch for AMR recurrence. “The results of the phase 2 trial suggested that monitoring of dd-cfDNA could be useful to accurately detect responsiveness to felzartamab therapy, also uncovering disease recurrence after stopping treatment,” said Dr. Georg Böemig, Medical University of Vienna, senior author of the publication. “Therefore, the assay could have high potential as a tool to individually guide dosing intervals and duration of anti-rejection therapy.” Up to 20.2% of kidney transplant patients will develop AMR within 10 years of transplant and up to 70% of those patients will progress to graft failure.1 Currently, there are no FDA approved drugs that have indications for the management of AMR. Results of the phase 2 trial suggest that the combination of felzartamab drug therapy and VitaGraft Kidney testing may have significant potential to address this key unmet need in transplant management by enabling detection, management, and monitoring of AMR. “We congratulate the research teams on this groundbreaking study and its potential to lead to a treatment option for kidney transplant patients suffering from AMR around the world,” said Josh Riggs, Oncocyte CEO. “We are grateful for the support from our research partners and their inclusion of our test in this study. It is exciting to see a new opportunity for Oncocyte’s technology to serve the clinical market and patients in need. This study, combined with earlier results showing that our test can detect AMR up to 10 months earlier than protocol, points to new opportunities to improve care and outcomes for these high-risk patients. In the future, we expect that VitaGraft will be there to support physicians looking to detect AMR as early as possible and then effectively manage this disease.” “Our recent partnership with Bio-Rad, gives us the scale we need to support the global transplant research community with easy-to-use dd-cfDNA monitoring tools,” continued Mr. Riggs. “Use cases like this will help drive adoption of our combined technology around the world.” The results of this publication will be discussed as a Late Breaking Abstract at the 2024 American Transplant Congress on June 3rd 2024 at 9:15 ET by Dr. Katharina Mayer from the Medical University of Vienna. Oncocyte will be exhibiting at the conference at Booth #430. Oncocyte will be hosting a conference call to discuss the results of the clinical trial with study authors, Dr. Klemens Budde, Head of Transplantation at Charite, and Dr. Ekke Schuetz, Chief Science Officer at Oncocyte. Dr. Schuetz developed the dd-cfDNA technology as CEO and CSO of Oncocyte subsidiary Chronix Biomedical alongside Dr. Julia Beck. The clinical presentation will be followed by an operational update and Q&A focused on the commercial launches of VitaGraft Kidney and GraftAssure by Josh Riggs. Investors may submit questions for the Q&A by emailing them to the contact information listed below. The date and time of the call will be announced in due course. 1 Mujtahedi, S.S., Yigitbilek, F., Ozdogan, E. et al. Antibody-Mediated Rejection: the Role of Plasma Cells and Memory B Cells. Curr Transpl Rep 8, 272–280 (2021). https://doi-org.libproxy1.nus.edu.sg/10.1007/s40472-021-00342-1 About Oncocyte Oncocyte is a precision diagnostics company. The Company’s tests are designed to help provide clarity and confidence to physicians and their patients. VitaGraft™ is a clinical blood-based solid organ transplantation monitoring test. GraftAssure™ is a research use only (RUO) blood-based solid organ transplantation monitoring test. DetermaIO™ is a gene expression test that assesses the tumor microenvironment to predict response to immunotherapies. DetermaCNI™ is a blood-based monitoring tool for monitoring therapeutic efficacy in cancer patients. For more information about Oncocyte, please visit https://oncocyte.com/. For more information about our products, please visit the following web pages: VitaGraft Kidney™ - https://oncocyte.com/vitagraft-kidney/VitaGraft Liver™ - https://oncocyte.com/vitagraft-liver/GraftAssure™ - https://oncocyte.com/graftassure/DetermaIO™ - https://oncocyte.com/determa-io/DetermaCNI™ - https://oncocyte.com/determa-cni/ VitaGraft™, GraftAssure™, DetermaIO™, and DetermaCNI™ are trademarks of Oncocyte Corporation. About Antibody-Mediated Rejection (AMR) in Kidney Transplant Recipients Antibody-mediated rejection (AMR) is a major cause of kidney transplant failure, with late AMR affecting approximately 23,000 patients total in the U.S. There is no effective treatment for AMR and patient options are highly limited. Donor-specific antibody (DSA) production by plasma cells, and tissue infiltration of Natural Killer (NK) cells presumed to be involved in DSA-dependent microvascular inflammation, are both linked to AMR. Observations that both plasma cells and NK cells express high levels of CD38 have motivated the approach of targeting CD38 to deplete these cell populations to address AMR. About Felzartamab Felzartamab is an investigational therapeutic human monoclonal antibody directed against CD38, a protein expressed on mature plasma cells. Felzartamab has been shown in clinical studies to selectively deplete CD38+ plasma cells, which may allow applications that ultimately improve clinical outcomes in a broad range of diseases driven by pathogenic antibodies. Felzartamab is an investigational therapeutic candidate that has not yet been approved by any regulatory authority. Forward-Looking Statements Any statements that are not historical fact (including, but not limited to statements that contain words such as “will,” “believes,” “plans,” “anticipates,” “expects,” “estimates,” “may,” and similar expressions) are forward-looking statements. These statements include those pertaining to, among other things, the future of VitaGraft Kidney, the anticipation that Oncocyte and Bio-Rad's combined technology will be adopted around the world, and other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management. Forward-looking statements involve risks and uncertainties, including, without limitation, the potential impact of COVID-19 on Oncocyte or its subsidiaries’ financial and operational results, risks inherent in the development and/or commercialization of diagnostic tests or products, uncertainty in the results of clinical trials or regulatory approvals, the capacity of Oncocyte’s third-party supplied blood sample analytic system to provide consistent and precise analytic results on a commercial scale, potential interruptions to supply chains, the need and ability to obtain future capital, maintenance of intellectual property rights in all applicable jurisdictions, obligations to third parties with respect to licensed or acquired technology and products, the need to obtain third party reimbursement for patients’ use of any diagnostic tests Oncocyte or its subsidiaries commercialize in applicable jurisdictions, and risks inherent in strategic transactions such as the potential failure to realize anticipated benefits, legal, regulatory or political changes in the applicable jurisdictions, accounting and quality controls, potential greater than estimated allocations of resources to develop and commercialize technologies, or potential failure to maintain any laboratory accreditation or certification. Actual results may differ materially from the results anticipated in these forward-looking statements and accordingly such statements should be evaluated together with the many uncertainties that affect the business of Oncocyte, particularly those mentioned in the “Risk Factors” and other cautionary statements found in Oncocyte’s Securities and Exchange Commission (SEC) filings, which are available from the SEC’s website. You are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date on which they were made. Oncocyte undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made, except as required by law. CONTACT: Jeff RamsonPCG Advisory(646) 863-6893jramson@pcgadvisory.com

-α4β7 Inhibition Rapidly Increases the Rolling Velocity and Flux of B Cells in Gut-associated Lymphoid Tissues- -Impact of Potent and Selective Small Molecule Inhibitor Comparable to Monoclonal Antibody Activity- -Preclinical Findings Presented at Digestive Disease Week 2024- WALTHAM, Mass., May 21, 2024 (GLOBE NEWSWIRE) -- Morphic Therapeutic (Nasdaq: MORF), a biotechnology company developing a new generation of oral integrin therapies for the treatment of serious chronic diseases, announced the presentation of new data, using Spinning Disk Intravital Microscopy (IVM), that provides real-time, in vivo visualization of the impact of α4β7 inhibition on lymphocyte trafficking in mouse gut-associated lymphoid tissues (GALT). These data were presented in a poster session at Digestive Disease Week (DDW) 2024 meeting. This real-time footage and the associated data for B cell movement clearly demonstrate that MT-108, a potent and selective small molecule α4β7 inhibitor, leads to increased velocity and flux of rolling lymphocytes. This activity subsequently prevents lymphocyte migration into gut tissue, including Peyer’s patches, which is a key component of inflammatory bowel disease. Notably, MT-108 impacted B cell trafficking with similar speed of onset and efficacy as the anti-α4β7 blocking antibody DATK32, a murine analog of the monoclonal antibody vedolizumab. The onset and extent of α4β7 inhibition can be visualized by the increased velocity of B cells when comparing the lymphocyte movement prior to compound administration. In the absence of inhibitor, cells are slowed by their binding of α4β7 with the ligand MAdCAM-1. Following administration of MT-108, the immune cells transit more quickly through the vessel as a result of inhibition of α4β7-mediated adhesion and fewer cells are seen affixed to vessel walls. Videos showing the changes in leukocyte movement in vivo can be viewed for the small molecule α4β7 inhibitor and the test vehicle. The poster presented at DDW can be found on the Morphic website. “These new data demonstrate not only that a small molecule α4β7 inhibitor drives changes comparable to a monoclonal antibody but also provide stunning real time in vivo visualization of this activity. Unlike other in vivo models, IVM enables the viewer to experience visually the changes Morphic’s small molecule α4β7 inhibitor rapidly imparts on lymphocyte trafficking to gut tissues and allows the scientist to quantify those effects,” commented Bruce Rogers, PhD, President of Morphic Therapeutic. “Importantly, the onset of activity, and efficacy of our small molecule α4β7 inhibitor are virtually identical to the effects on cells by DATK32, a murine analog of ENTYVIO™.” DDW Session: 9370 Poster Tu1738: Real-Time Inhibition Of Integrin α4β7 By A Small Molecule Inhibitor Impairs B Lymphocyte Adhesion In Murine Peyer’s Patches Authors: Allison Sang1, Björn Petri2, Naresh S. Redhu1, Dooyoung Lee1, Danielle Granata1, Michael Rowe1, Bryce Harrison1, Matthew Bursavich1, Bryan Goodwin1, Bruce N. Rogers1, Kamala D Patel3, and Jamie Wong1 1Morphic Therapeutic, 35 Gatehouse Drive, Waltham, Massachusetts, USA, 02451, 2Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada, 3Department of Physiology and Pharmacology, Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada. ENTYVIO is a registered trademark of Millenium Pharmaceuticals, Inc. About Morphic Therapeutic  Morphic Therapeutic is a biopharmaceutical company developing a portfolio of oral integrin therapies for the treatment of serious chronic diseases, including autoimmune, cardiovascular, and metabolic diseases, fibrosis, and cancer. Morphic is also advancing its pipeline and discovery activities in collaboration with Schrödinger using its proprietary MInT technology platform which leverages the Company’s unique understanding of integrin structure and biology. For more information, visit www.morphictx.com.  Cautionary Note Regarding Forward-Looking Statements  This press release contains “forward-looking” statements within the meaning of the Securities Act of 1933, as amended, the Securities Exchange Act of 1934, as amended, and of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to: the MInT platform’s ability to discover drug candidates and our plans to develop and commercialize oral small-molecule integrin therapeutics, including MT-108 which is not expected to be developed or commercialized. Statements including words such as “believe,” “plan,” “continue,” “expect,” “will be,” “develop,” “signal,” “potential,” “anticipate” or “ongoing” and statements in the future tense are forward-looking statements. These forward-looking statements involve risks and uncertainties, as well as assumptions, which, if they do not fully materialize or prove incorrect, could cause our results to differ materially from those expressed or implied by such forward-looking statements. Forward-looking statements are subject to risks and uncertainties that may cause our actual activities or results to differ significantly from those expressed in any forward-looking statement, including risks and uncertainties in this press release and other risks set forth in our filings with the Securities and Exchange Commission, including, among others, our or a partner’s ability to complete a current or future clinical trial of any of our current or future product candidates, our ability to develop or obtain regulatory approval for or commercialize any product candidate, our ability to protect our intellectual property, and the sufficiency of our cash, cash equivalents and investments to fund our operations. These forward-looking statements speak only as of the date hereof and we specifically disclaim any obligation to update these forward-looking statements or reasons why actual results might differ, whether as a result of new information, future events or otherwise, except as required by law. ContactsMorphic TherapeuticChris Erdmanchris.erdman@morphictx.com617.686.1718 A video accompanying this release is available at: https://www.globenewswire.com/NewsRoom/AttachmentNg/c92d5173-1e6d-4814-9e8f-17e50fa19582