May 25, 2016
New test standardizes CMV testing for both solid organ and hematopoietic stem cell transplant recipients
Roche (SIX: RO, ROG; OTCQX: RHHBY) today announced the United States Food and Drug Administration (FDA) approval of the first cytomegalovirus (CMV) test for use in hematopoietic stem cell transplant recipients. With this approval, the COBAS® AmpliPrep/COBAS® TaqMan® CMV Test is available for monitoring CMV treatment in all types of transplant patients in the USA. The test was the first in vitro diagnostic test conforming to the WHO International Standard, making it possible for laboratories worldwide to obtain comparable results when testing for CMV and it is now the most commonly used in vitro diagnostic test for CMV solid organ transplant recipients in the USA.
Roche’s standardised real-time polymerase chain reaction (PCR)-based CMV test is designed for use on the automated COBAS® AmpliPrep/COBAS® TaqMan® System, an established platform for viral load monitoring of multiple infectious diseases.
About the test
The COBAS® AmpliPrep/COBAS® TaqMan® CMV Test is an in vitro nucleic acid amplification test for the quantitative measurement of cytomegalovirus (CMV) DNA.
The test is intended for use as an aid in the management of solid-organ transplant and hematopoietic stem-cell transplant recipients who are undergoing anti-CMV therapy. In this population, serial DNA measurements can be used to assess virological response to antiviral treatment. The results from the test must be interpreted within the context of all relevant clinical and laboratory findings. The test is traceable to the first WHO International Standard for Human Cytomegalovirus for Nucleic Acid Amplification Techniques (NIBSC 09/162) and reliably monitors cytomegalovirus (CMV) infections. The COBAS® AmpliPrep/COBAS® TaqMan® CMV Test is not intended for use as a screening test for the presence of CMV DNA in blood or blood products.
About the COBAS® AmpliPrep/COBAS® TaqMan® System
Roche’s fully automated COBAS® AmpliPrep/COBAS TaqMan® System combines the COBAS® AmpliPrep Instrument for automated sample preparation and the COBAS® TaqMan® Analyser or the smaller COBAS® TaqMan® 48 Analyser for automated real-time PCR amplification and detection. The COBAS® AmpliPrep/COBAS® TaqMan® System has parallel processing with other key molecular diagnostics assays targeting medically relevant diseases (hepatitis B virus, hepatitis C virus, and human immunodeficiency virus). Roche’s AmpErase enzyme is also included in each test and is designed to prevent cross-contamination of samples and labs.
CMV is the most common and important viral infection in transplant patients. The virus can be transmitted through the donor organ, resulting in CMV infection and leading to the development of CMV disease, or can occur by reactivation of the virus in transplant recipients with previous CMV infection. CMV disease in hematopoietic transplant recipients can cause life-threatening damage to many organs including the lung, liver, kidney, gastrointestinal tract and eye. Between 50–80% of all people in the US are infected with CMV. Although healthy persons usually have few symptoms at the time of initial infection, after infection the virus remains in a latent state in the body for the rest of a person’s life. If a person becomes immunosuppressed, as happens in transplantation, the virus can become reactivated and cause symptomatic disease.
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