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Veracyte to present data demonstrating potential of Envisia Genomic Classifier to improve ILD diagnosis

Veracyte to present data demonstrating potential of Envisia Genomic Classifier to improve ILD diagnosis

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Veracyte, Inc. announced the presentation of data demonstrating that the Envisia Genomic Classifier can help physicians more confidently diagnose interstitial lung disease (ILD), including idiopathic pulmonary fibrosis (IPF), without the need for surgery. The data were shared today in an oral presentation at CHEST 2018, the annual meeting of the American College of Chest Physicians®, which is being held October 6-10 in San Antonio, Texas.

Using data from a prospective study of 49 patients presenting with new-onset ILD, researchers evaluated samples obtained through nonsurgical transbronchial biopsy to determine the Envisia classifier’s accuracy in detecting usual interstitial pneumonia (UIP), a pattern whose presence is essential to IPF diagnosis. Utilizing histopathology as the reference standard, investigators found that the genomic test shows a specificity of 88 percent and sensitivity of 70 percent for detecting UIP. While high-resolution computed tomography (HRCT) is typically the first step in distinguishing IPF from other ILDs, previous data have shown that up to 50 percent of UIP cases are missed by HRCT alone. Among the 42 cases in the current study with the lowest diagnostic confidence following HRCT – i.e., those without definite or probable UIP – the Envisia classifier provided even more robust results (88 percent specificity and 76 percent sensitivity).

“An accurate, timely diagnosis of IPF and other ILDs is a major challenge for physicians and patients, but is essential for optimal treatment,” said David Lynch, MB, BCh, Professor of Radiology at National Jewish Health, who presented the findings. “Our data, while based on relatively small numbers, suggest that the Envisia test can provide important information for diagnosis, as a complement to HRCT and clinical findings. This is particularly true among patients whose results are unclear following HRCT imaging.”

“Recent study findings show that patients being evaluated for suspected IPF or other ILDs often endure significant diagnostic delays, misdiagnosis and invasive, costly procedures, which can negatively impact outcomes and increase risk,” said Bonnie Anderson, Veracyte’s chairman and chief executive officer. “These new data reinforce the valuable role that the Envisia Genomic Classifier can play in improving IPF diagnosis. They also add to the growing body of evidence supporting the use of our test.”

The Envisia classifier is currently available to a limited number of institutions through an Early Access Program. In August 2018, Veracyte received a draft Medicare coverage policy for the Envisia classifier through the MolDx program. The company expects the final policy will go into effect in early 2019 and plans to expand availability of the test in 2019.

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https://www.veracyte.com/

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