We use cookies to understand how you use our site and to improve your experience. This includes personalizing content and advertising. To learn more, click here. By continuing to use our site, you accept our use of cookies. Cookie Policy.

LabMedica

Download Mobile App
Recent News Expo Clinical Chem. Molecular Diagnostics Hematology Immunology Microbiology Pathology Technology Industry Focus

Microarray-Based COVID-19 Test Analyzes Sample in Triplicate for Each Patient Swab Within Each Array For 100% Specificity

By LabMedica International staff writers
Posted on 22 Jul 2021
Print article
Image: DetectX-Rv Microarray Assay (Photo courtesy of PathogenDx, Inc.)
Image: DetectX-Rv Microarray Assay (Photo courtesy of PathogenDx, Inc.)
A low-cost, high-throughput microarray-based test ensures 100% specificity by analyzing the sample in triplicate for each patient swab within each array, as compared to just once by COVID-19 tests that are currently approved.

PathogenDx, Inc. (Scottsdale, AZ, USA) has received the CE-IVD Mark for the sale and distribution of its patented DetectX-Rv Microarray Assay for COVID-19 testing across Europe. PathogenDx's DetectX-Rv microarray utilizes nasopharyngeal swabs and nasal aspirate or fluid to detect SARS-CoV2 within three hours after RNA extraction, and has received Emergency Use Authorization (EUA) from the US Food and Drug Administration (FDA). Its multiplex system also has the capability of pooled sample testing for the detection of SARS-CoV2 in multiple samples at one time, dramatically increasing COVID-19 testing throughput.

DetectX-Rv delivers superior accuracy based on its proprietary technology of analyzing dozens of probes in COVID-19 regions of the viral genome, delivering a Limit of Detection of 1,000 copies/mL. The test also ensures 100% specificity by analyzing the sample in triplicate for each patient swab within each array, not just once as conducted in currently approved COVID-19 tests.

"Receiving the CE-IVD Mark for our DetectX-Rv test is a massive milestone for our company and will not only help detect COVID-19 in Europe as the pandemic sweeps on, but with the company's follow-on Detect-Cv Clade variant test helps identify the Variant of Concern and/or Variant of Interest from any positive result processed either from DetectX-Rv or any other molecular platform," said Milan Patel, Co-founder and CEO of PathogenDx. "Although we are in the second year of the pandemic and vaccine distribution has greatly improved, COVID-19 and its variants persist in our global community. The virus will continue to mutate and we need to be able to identify if an infected patient has a particular variant in order to provide the most effective clinical and therapeutic treatment. Global distribution of diagnostic tests like our DetectX-Rv test is crucial in helping limit the spread of COVID-19 and its variants."

Related Links:
PathogenDx, Inc.

New
Gold Member
Multiplex Genetic Analyzer
MassARRAY Dx Analyzer (Europe only)
Verification Panels for Assay Development & QC
Seroconversion Panels
New
Cytomegalovirus Real-Time PCR Test
Quanty CMV Virus System
New
PSA Test
Humasis PSA Card

Print article

Channels

Clinical Chemistry

view channel
Image: A one-step confirmatory laboratory test could definitively diagnose active syphilis infection within 10 minutes (Photo courtesy of Adobe Stock)

First Comprehensive Syphilis Test to Definitively Diagnose Active Infection In 10 Minutes

In the United States, syphilis cases have surged by nearly 80% from 2018 to 2023, with 209,253 cases recorded in the most recent year of data. Syphilis, which can be transmitted sexually or from mother... Read more

Immunology

view channel
Image: The cancer stem cell test can accurately choose more effective treatments (Photo courtesy of University of Cincinnati)

Stem Cell Test Predicts Treatment Outcome for Patients with Platinum-Resistant Ovarian Cancer

Epithelial ovarian cancer frequently responds to chemotherapy initially, but eventually, the tumor develops resistance to the therapy, leading to regrowth. This resistance is partially due to the activation... Read more

Technology

view channel
Image: Ziyang Wang and Shengxi Huang have developed a tool that enables precise insights into viral proteins and brain disease markers (Photo courtesy of Jeff Fitlow/Rice University)

Light Signature Algorithm to Enable Faster and More Precise Medical Diagnoses

Every material or molecule interacts with light in a unique way, creating a distinct pattern, much like a fingerprint. Optical spectroscopy, which involves shining a laser on a material and observing how... Read more

Industry

view channel
Image: The collaboration aims to leverage Oxford Nanopore\'s sequencing platform and Cepheid\'s GeneXpert system to advance the field of sequencing for infectious diseases (Photo courtesy of Cepheid)

Cepheid and Oxford Nanopore Technologies Partner on Advancing Automated Sequencing-Based Solutions

Cepheid (Sunnyvale, CA, USA), a leading molecular diagnostics company, and Oxford Nanopore Technologies (Oxford, UK), the company behind a new generation of sequencing-based molecular analysis technologies,... Read more