ExThera Medical's Blood Filtration Device Shows Promise for Sepsis Patients After Cardiac Surgery
MARTINEZ, Calif.--(BUSINESS WIRE)--A newly published study in Nature's Scientific Reports finds that use of ExThera's Seraph ® 100 blood filter in septic patients following cardiac surgery significantly improved outcomes by rapidly reducing pathogen load in the bloodstream.
Sepsis—a life-threatening condition caused by the body's extreme response to infection—can lead to organ failure and death if not treated quickly. Patients undergoing surgery for infective endocarditis (IE), a serious infection of the heart's inner lining, face particularly high risk of developing post-operative sepsis due to widespread bacterial contamination in the blood.
The hospital-led study, conducted at the ICU of Papardo Hospital in Messina, Italy, evaluated patients who developed sepsis after cardiac surgery for IE. Thirteen patients were treated with the Seraph ® 100 Microbind ® Affinity Blood Filter (Seraph 100), and their outcomes were compared to a retrospective control group of fifteen patients who did not receive the treatment.
Within just four hours of using the Seraph 100 filter, pathogen load in the bloodstream dropped significantly. In addition to fighting the infection, patients who received this treatment also showed signs of faster recovery, including:
Lower levels of inflammation in the body based on various biomarkers
More stable blood pressure
Reduced need for medications that support blood pressure
Shorter stays in the ICU
Importantly, only 15% of patients who received the Seraph 100 developed acute kidney injury (AKI) that required dialysis—a common and serious complication of sepsis—compared to 40% in the untreated group. Impressively, in this study, two dangerous and difficult-to-treat pathogens – Pseudomonas and Candida – were effectively removed. Candida organisms have been identified as 'superbugs' with few treatment options. These data suggest that the Seraph 100 may have utility for these difficult-to-treat infections.
'These results suggest the Seraph 100 device can help critically ill patients recover more quickly by removing harmful and difficult-to-treat pathogens like Staph, Pseudomonas, and Candida species,' said Mink Chawla, MD, Chief Medical Officer of ExThera. 'The authors document improved clinical outcomes with the use of Seraph 100 technology and also demonstrated the ability for the filter to capture intact pathogens thereby allowing the Seraph 100 to be an effective diagnostic tool for blood-borne pathogens.'
The results of the study were published in Nature' s Scientific Reports.
About ExThera Medical Corporation
ExThera Medical Corporation develops extracorporeal blood filtration devices, including the Seraph ® 100 Microbind ® Affinity Blood Filter (Seraph 100) for removing a broad range of pathogens from the bloodstream of patients. Seraph 100 can be used in hospitals, clinics, on battlefields and in other austere environments to address nosocomial and community-acquired infections as well as those caused by battlefield wounds, pandemics, and biological warfare agents. ExThera Medical's extracorporeal products have demonstrated life-saving capabilities in a wide range of critically ill patients suffering from sepsis, COVID-19, and many other severe bloodstream infections. With a growing body of outcome and health economic evidence from independent clinical studies, success in the DARPA Dialysis-Like Therapeutics program, and from successful clinical use in the U.S., the EU, and the Middle East, the company is well positioned to serve healthcare professionals and patients alike.
The Seraph 100 device has neither been cleared nor approved by the U.S. Food and Drug Administration (FDA) for any indication. The Seraph 100 has been authorized by FDA under an Emergency Use Authorization (EUA) to treat patients with COVID-19 infection. The Seraph 100 is authorized only for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of the Seraph 100 device under section 564(b)(1) of the Act, 21 U.S.C. § 360bbb-3(b)(1), unless the authorization is terminated or revoked sooner.
For more information, visit the company's website at http://www.extheramedical.com/.
About Seraph 100 and the ONCObind Procedure
As a patient's blood flows through the Seraph ® 100 Microbind ® Affinity Filter (Seraph 100), it passes through a bed of small beads with receptors that mimic the receptors on human cells that pathogens target when they invade the body. Many harmful substances are quickly captured and adsorbed onto the surface of the beads and are thereby subtracted from the bloodstream. Seraph 100 adds nothing to the bloodstream. It targets the pathogens that cause the infection, while it also binds and removes harmful substances generated by the pathogen and by the body's response to the infection. Seraph's proprietary adsorption media (the beads) constitute a flexible platform that uses immobilized (chemically bonded) heparin for its well-established blood compatibility and its unique ability to bind circulating tumor cells, bacteria, viruses, fungi, and important sepsis mediators reported to contribute to organ failure during sepsis.
ExThera Medical is currently developing the ONCObind Procedure Hemoperfusion Filter (ONCObind) to support cancer treatment. ONCObind is part of the same platform technology as Seraph 100.
For more news stories on Seraph 100 and ONCObind, click here.
Disclaimer
All information contained in this news release derives from plausible, reliable sources, however they have not been independently examined or verified. There is no representation, warranty, or guarantee provided herein. Except as otherwise required by appliable law, all liability for any direct or indirect claims, damages or losses are hereby disclaimed whether or not foreseeable. This communication includes forward-looking statements regarding events, trends and business prospects that may affect our future operating results and financial position. Such statements are subject to risks and uncertainties that could cause our actual results and financial position to differ materially. Accordingly, the investment and/or the revenues that arise from it can rise or fall or fail entirely. We assume no responsibility to update or revise any statements contained in this news release, including forward-looking, to reflect events, trends, or circumstances that might arise after the date of this news release. Results from case studies (reviews) may not be predictive of future results.
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About NUBEQA® (darolutamide)2 NUBEQA® (darolutamide) is an androgen receptor inhibitor (ARi) with a distinct chemical structure that competitively inhibits androgen binding, AR nuclear translocation, and AR-mediated transcription. NUBEQA was developed jointly by Bayer and Orion Corporation, a globally operating Finnish pharmaceutical company. NUBEQA is an androgen receptor inhibitor indicated for the treatment of adult patients with: Non-metastatic castration-resistant prostate cancer (nmCRPC) Metastatic castration-sensitive prostate cancer (mCSPC) Metastatic castration-sensitive prostate cancer (mCSPC) in combination with docetaxel IMPORTANT SAFETY INFORMATION Warnings & Precautions Ischemic Heart Disease – Ischemic heart disease, including fatal cases, occurred in patients receiving NUBEQA. 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Clinically relevant adverse reactions occurring in 2% or more of patients treated with NUBEQA included ischemic heart disease (4%) and heart failure (2.1%). In ARANOTE, serious adverse reactions occurred in 24% of patients receiving NUBEQA. Serious adverse reactions in ≥1% of patients who received NUBEQA included pneumonia (2%), urinary tract infection (1.8%), musculoskeletal pain (1.6%), hemorrhage (1.6%), arrhythmias (1.3%), and spinal cord compression (1.1%). Fatal adverse reactions occurred in 4.7% of patients receiving NUBEQA and those that occurred in ≥2 patients included sepsis (1.1%), craniocerebral injury (0.4%), and myocardial infarction (0.4%). The most common (≥10% with a ≥2% increase compared to placebo) adverse reaction is urinary tract infection (12%). The most common laboratory test abnormalities (≥15% with a ≥5% increase over placebo) are increased AST (32%), increased ALT (28%), increased bilirubin (17%), and decreased neutrophil count (16%). 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About Metastatic Castration-Sensitive Prostate Cancer Prostate cancer is the second most common cancer in men and the fifth most common cause of cancer death in men worldwide.3 In 2020, an estimated 1.4 million men worldwide were diagnosed with prostate cancer, including nearly 300,000 men in the U.S., and nearly 375,000 men died from the disease worldwide.4,5 At the time of diagnosis, most men have localized prostate cancer, in which their cancer is confined to the prostate gland and can be treated with curative surgery or radiotherapy. Upon relapse when the disease will metastasize or spread, androgen deprivation therapy (ADT) is the cornerstone of treatment for this castration-sensitive, or hormone-sensitive, disease. Approximately 10% of men will already present with metastatic castration-sensitive prostate cancer (mCSPC), also known as metastatic hormone-sensitive prostate cancer (mHSPC), when first diagnosed.8,9,10 Men with mCSPC will start their treatment with hormone therapy, such as ADT, an androgen receptor inhibitor (ARi) plus ADT, or a combination of the chemotherapy docetaxel and ADT. Despite this treatment, most men with mCSPC will eventually progress to castration-resistant prostate cancer (CRPC), which is associated with limited survival.11,12 About Oncology at Bayer Bayer is committed to delivering science for a better life by advancing a portfolio of innovative treatments. The oncology franchise at Bayer includes six marketed products and several other assets in various stages of clinical development. Together, these products reflect the company's approach to research, which prioritizes targets and pathways with the potential to impact the way that cancer is treated. About Bayer Bayer is a global enterprise with core competencies in the life science fields of health care and nutrition. In line with its mission, "Health for all, Hunger for none," the company's products and services are designed to help people and the planet thrive by supporting efforts to master the major challenges presented by a growing and aging global population. Bayer is committed to driving sustainable development and generating a positive impact with its businesses. At the same time, the Group aims to increase its earning power and create value through innovation and growth. The Bayer brand stands for trust, reliability and quality throughout the world. In fiscal 2023, the Group employed around 100,000 people and had sales of 47.6 billion euros. R&D expenses before special items amounted to 5.8 billion euros. For more information, go to © 2025 BayerBAYER, the Bayer Cross and NUBEQA are registered trademarks of Bayer. Find more information at Our online press service is just a click away: Follow us on Facebook: Follow us on X: Forward-Looking Statements This release may contain forward-looking statements based on current assumptions and forecasts made by Bayer management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Bayer's public reports, which are available on the Bayer website at The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments. References Saad F, et al. Darolutamide in combination with androgen-deprivation therapy in patients with metastatic hormone-sensitive prostate cancer from the Phase III ARANOTE trial. J Clin Onc. 2024;42(36):4271-4281. NUBEQA® (darolutamide) [Prescribing Information]. Whippany, NJ: Bayer HealthCare Pharmaceuticals, Inc.; June 2025. Bray F, et al. Global cancer statistics 2022: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. Accessed June 2025. Prostate Cancer: Statistics. Accessed June 2025. American Cancer Society. Cancer Facts & Figures 2024. Accessed June 2025. James ND, et al. The Lancet Commission on prostate cancer: planning for the surge in cases. Lancet. 2024;403:1683-1722. NCT04736199. Darolutamide in Addition to ADT Versus ADT in Metastatic Hormone-sensitive Prostate Cancer (ARANOTE). Accessed June 2025. Piombino C, et al. De novo metastatic prostate cancer: are we moving toward a personalized treatment? Cancers (Basel). 2023;15(20):4945. Helgstrand JT, et al. Trends in incidence and 5-year mortality in men with newly diagnosed, metastatic prostate cancer - A population-based analysis of 2 national cohorts. Cancer. 2018;124(14):2931-2938. Buzzoni C, et al. Metastatic prostate cancer incidence and prostate-specific antigen testing: new insights from the European Randomized Study of Screening for Prostate Cancer. Eur Urol. 2015;68:885-890. Siegel DA, et al. Prostate cancer incidence and survival, by stage and race/ethnicity - United States, 2001-2017. MMWR Morb Mortal Wkly Rep. 2020;69:1473-1480. Hahn AW, et al. Metastatic castration sensitive prostate cancer: optimizing patient selection and treatment. Am Soc Clin Oncol Educ Book. 2018;23;38:363-371. View source version on Contacts Media: Polina Miklush, Tel +1 862.431.8817Email: Error in retrieving data Sign in to access your portfolio Error in retrieving data Error in retrieving data Error in retrieving data Error in retrieving data
