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New Indications Cleared for Existing Lyme Disease Tests

May Help Streamline Diagnoses

The FDA has cleared for marketing four previously cleared tests with new indications to aid in the diagnosis of Lyme disease. This is the first time that a test has been indicated to follow a new paradigm in which two tests called enzyme immunoassays (EIA) are run concurrently or sequentially, rather than the current two-step process in which a separate protein test called a Western Blot must be run after the initial EIA test. 

The FDA reviewed data from clinical studies of the ZEUS ELISA Borrelia VlsE1/pepC10 IgG/IgM Test System, ZEUS ELISA Borrelia burgdorferi IgG/IgM Test System, ZEUS ELISA Borrelia burgdorferi IgM Test System, and the ZEUS ELISA Borrelia burgdorferi IgG Test System. The data showed that this alternative approach, referred to as a modified two-tier test, is as accurate as current methods for detecting antibodies for assessing exposure to Borrelia burgdorferi, the causative agent of Lyme disease.

Centers for Disease Control recommendations should be followed for the diagnosis of Lyme disease and for determining when laboratory tests are appropriate.

The FDA granted clearance of the ZEUS ELISA enzyme immunoassay tests to ZEUS Scientific.

Source: FDA, July 29, 2019

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