• New Assay provides swifter HSV Diagnosis in Immunocompromised Patients

Laboratory Products

New Assay provides swifter HSV Diagnosis in Immunocompromised Patients

Jul 28 2014

DiaSorin has further strengthened its range of infectious disease diagnostic assays for use on the DiaSorin Liaison® Iam analyser with the launch of Iam HSV.  This new molecular assay provides rapid and reliable differential detection of herpes simplex virus types 1 and 2 (HSV-1 and HSV-2) in human cerebrospinal fluid (CSF), vesicle swabs, plasma and whole blood, making it of enormous value in the diagnosis of herpes simplex encephalitis and potentially severe HSV infections in transplant patients and other immunocompromised individuals.  Together with Iam VZV for the detection of clinically relevant subtypes of Varicella Zoster Virus (VZV), these assays provide valuable information for the timely treatment of severe alphaherpesvirus infections.

HSV-1 is an important cause of fatal sporadic encephalitis, although HSV-2 is more commonly associated with herpes simplex encephalitis in neonates and immunosuppressed individuals

Nucleic acid tests are the method of choice for the diagnosis and characterisation of HSV infection, following baseline serology, offering greater sensitivity than viral culture.  Furthermore, molecular detection of HSV DNA in CSF is recommended for the diagnosis of herpes simplex encephalitis.  The ability to differentiate between HSV types can provide important prognostic information, particularly in the diagnosis of genital herpes. 

  

Like HSV, VZV is the cause of significant morbidity and mortality in transplant patients and other immunocompromised individuals.  Immunocompromised children, particularly those with leukemia, are reported to be at risk of visceral complications and even death following VZV infection.  

Based on the innovative DiaSorin Q-LAMP technology, Iam HSV and Iam VZV are part of a rapidly expanding portfolio of infectious disease assays for use on the DiaSorin Liaison® Iam analyser. Offering excellent diagnostic sensitivity (>95% for Iam VZV8 and >98.5% for Iam HSV9) and specificity (100% for Iam VZV8 and 100% for Iam HSV8), and with faster time to results than conventional real-time PCR, they provide rapid and accurate molecular confirmation of alphaherpesvirus infections.  Furthermore, the small footprint, ease of use and scalable design of the benchtop Liaison® Iam Molecular Instrument makes it ideal for use in laboratory facilities of all sizes, including those that are located close to the patient. 

The Iam HSV and Iam VZV assays are CE marked in accordance to IVD Medical Device Directive 98/79 CE.  These kits are available for use outside of the USA and Canada only.


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