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Cutting-Edge micro-CT Imaging Research Shines New Light on Mooted SARS-CoV-2 Treatments - Following the recent installation of Bruker's SkyScan 1278 in vivo micro-CT system, researchers at the KU Leuven, Belgium, have published pioneering research that provides information about the ongoing search for effective treatments against COVID-19
Cutting-Edge micro-CT Imaging Research Shines New Light on Mooted SARS-CoV-2 Treatments

 

NewswireToday - /newswire/ - Billerica, MA, United States, 2020/08/13 - Following the recent installation of Bruker's SkyScan 1278 in vivo micro-CT system, researchers at the KU Leuven, Belgium, have published pioneering research that provides information about the ongoing search for effective treatments against COVID-19. NASDAQ: BRKR

   
 
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In some of the first in vivo imaging experiments on COVID-19 hamster models, the research group led by Prof. Johan Neyts and Professor Greetje Vande Velde at KU Leuven moved fast to develop a Syrian hamster model for the disease to test the effectiveness of three potential COVID-19 treatments, evaluated by µCT.1 The study used the SkyScan 1278 to assess whether the antiviral favipiravir, the antimalarial hydroxychloroquine (HCQ), or HCQ combined with the antibiotic azithromycin, could mitigate the disease or prevent transmission.

Results showed that favipiravir slightly reduced viral load in hamsters directly infected with SARS-CoV-2. However, neither HCQ nor HCQ plus azithromycin affected the viral load. Additionally, the results of lung micro-CT imaging showed no clear effect for any of the treatments in reducing the lung occlusion - due to pathologies such as inflammation - associated with SARS-CoV-2 infection. Furthermore, none of the three treatments protected healthy hamsters against transmission from infected animals.

Importantly, the group successfully characterized a robust hamster infection and transmission model for studying in vivo efficacy of antiviral compounds. The information acquired using HCQ and favipiravir in this model is vital to the design of current and future COVID-19 clinical trials. The data presented here, on HCQ either alone or combined with azithromycin (together with previously reported in vivo data in macaques and ferrets) provide no scientific basis for further use of the drug in humans.

Prof Vande Velde, Principal Investigator at the core facility Molecular Small Animal Imaging Center (MoSAIC) and at the KU Leuven Faculty of Medicine, commented: "The research findings from the Neyts lab not only offer guidance on which drugs to progress through COVID-19 clinical trials, but provide evidence for the benefits of micro-CT as an indispensable and safe tool to repeatedly evaluate lung disease progression and therapy efficacy without harming live animals. Small animal infection models, such as the hamster model presented in this research, should play a pivotal role in the selection of SARS-CoV-2 treatments for clinical development."

The KU Leuven Center of Excellence for Lung Research is equipped with a range of powerful instrumentation for viral analysis and lung in-vivo imaging, including Bruker's low-dose, high-throughput SkyScan 1278 micro-CT scanner, strengthening its position to continue investigating drugs to fight COVID-19.

References:

1. Kaptein et al. (2020) Antiviral treatment of SARS-CoV-2-infected hamsters reveals a weak effect of favipiravir and a complete lack of effect for hydroxychloroquine, bioRxiv, doi.org/10.1101/2020.06.19.159053

About KU Leuven

KU Leuven (kuleuven.be) is Europe's most innovative university (Reuters) and ranks 48th in the Times Higher Education World University Rankings. As Belgium's largest university, KU Leuven welcomes over 60,000 students from over 140 countries. Its 7,000 researchers are active in a comprehensive range of disciplines. KU Leuven is a founding member of the League of European Research Universities (LERU) and has a strong European and international orientation. University Hospitals Leuven, its network of research hospitals, provides high-quality healthcare and develops new therapeutic and diagnostic insights with an emphasis on translational research.

About Bruker Corporation

Bruker (bruker.com) is enabling scientists to make breakthrough discoveries and develop new applications that improve the quality of human life. Bruker’s high-performance scientific instruments and high-value analytical and diagnostic solutions enable scientists to explore life and materials at molecular, cellular and microscopic levels. In close cooperation with our customers, Bruker is enabling innovation, improved productivity and customer success in life science molecular research, in applied and pharma applications, in microscopy and nanoanalysis, and in industrial applications, as well as in cell biology, preclinical imaging, clinical phenomics and proteomics research and clinical microbiology.

Customer Contact:

Jens Waldeck, Ph.D.
EIMEA Application & Sales Manager PCI
Bruker Biospin
T: +49 173 9680861
E: jens.waldeck[.]bruker.com

 
 
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Cutting-Edge micro-CT Imaging Research Shines New Light on Mooted SARS-CoV-2 Treatments

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