Aptorum Group Ltd. (APM) Updates on the Clinical Validation of RPIDD Infectious Disease Liquid Biopsy Molecular Diagnostics

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Aptorum Group Limited (Nasdaq: APM, Euronext Paris: APM) a clinical stage biopharmaceutical company dedicated to tackling unmet medical needs in oncology, autoimmune diseases and infectious diseases, is pleased to announce further updates on the analytical and both the retrospective and prospective clinical validation of the RPIDD technology in patient samples, employed under both Illumina iSeq 100 and MiniSeq sequencing platforms1.

RPIDD, using its proprietary developed depletion and enrichment technologies, has been clinically validated in over 100 patient samples so far. In the completed retrospective clinical validation, both iSeq 100 and MiniSeq employing the RPIDD workflow demonstrated a 100% agreement with positive clinical data in identifying the causative pathogen (by employing standard of care (SOC) diagnostics when the Ct value of the samples is

Mr. Darren Lui, CEO and Executive Director of Aptorum Group Limited comments “We are extremely excited with the clinical and analytical validation results of RPIDD conducted so far in 2022. The results so far have been extremely encouraging and support the capability and potentials of the RPIDD technology to overcome some of the highly unmet shortcomings of the existing standard of care diagnostics such as blood culture and PCR currently deployed by clinics and hospitals around the world. We believe the patented RPIDD technology has promisingly tackled the historical industry challenges of depleting hosts’ and enriching pathogenic genetic materials, respectively, for the purposes of NGS sequencing for detection of pathogens in an untargeted manner (without the need for a prior guess of what pathogens are present in the samples). Through the demonstrated clinical results so far, RPIDD has significant potential to disrupt the existing frontline diagnostics industry and hence in due course to significantly contribute towards the reduction of infected patient’s mortality and morbidity. With the encouraging results, we are continuing to expand our clinical validation efforts, in addition to the current site in Singapore, to involve multiple clinical sites and countries targeting to commercialize this technology as soon as possible in conjunction with regional hospitals and clinics. As part of this effort, this year we have commenced steps to establish a clinical laboratory site in the state of California, subject to the relevant Clinical Laboratory Improvement Amendment (CLIA) certification, with the dual aims of continuing expansion of (i) clinical validation collaboration targeting US based regional healthcare and academic institutions and (ii) the eventual commercialisation of the RPIDD technology in the United States through proprietary laboratories and healthcare partner collaborations. In addition to iSeq 100 and MiniSeq, we strongly believe the RPIDD technology is compatible with other NGS sequencing platforms and will continue to broaden its adaptation to both different NGS sequencing platforms and sampling methods as well.”

About Aptorum’s Rapid Pathogen Identification and Detection Molecular Diagnostics Technology

RPIDD is an innovative liquid biopsy-driven rapid pathogen molecular diagnostics technology. RPIDD, through proprietary and patented technologies, is developed with the aim to, cost effectively through patient blood samples, enrich pathogenic DNA and RNA for pathogenic genome sequencing analysis through harnessing the power of Next-Generation Sequencing platforms and proprietary artificial intelligence-based software analytics with the goal to rapidly identify and detect any foreign pathogens (virus, bacteria, fungus, parasites) without bias through its genome composition and to identify other unknown pathogens and novel mutated pathogens. RPIDD is comprised of two proprietary metagenomics next-generation sequencing (mNGS) components: (i) HostEL for depletion of human background under selective lysis to enrich both pathogen DNA and RNA; (ii) AmpRE for one pot DNA/RNA library preparation for overall cost reduction. RPIDD has been and continues to be validated in human clinical samples and so far, such testing has been able to detect pathogens – ranging from bacteria, fungi and viruses in an unbiased manner.



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