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The new test received FDA authorization after the company submitted data from clinical trials showing that the First To Know Syphilis Test identified a positive specimen 93.4% of the time.
The Venereal Disease Research Laboratory test (VDRL) is a blood test for syphilis and related non-venereal treponematoses that was developed by the eponymous US laboratory. The VDRL test is used to screen for syphilis (it has high sensitivity ), whereas other, more specific tests are used to diagnose the disease.
The fluorescent treponemal antibody absorption (FTA-ABS) test is a diagnostic test for syphilis.Using antibodies specific for the Treponema pallidum species, such tests would be assumed to be more specific than non-treponemal testing such as VDRL but have been shown repeatedly to be sensitive but not specific for the diagnosis of neurosyphilis in cerebrospinal fluid (CSF).
The FDA just approved the first at-home test to detect syphilis antibodies, which will make it easier for people to screen themselves for this sexually transmitted disease. The test from ...
Centers for Disease Control and Prevention (CDC)-approved standard tests include the VDRL test (a slide test), the rapid plasma reagin (RPR) test (a card test), the unheated serum reagin (USR) test, and the toluidine red unheated serum test (TRUST). [2] These have mostly replaced the first nontreponemal test, the Wassermann test. [citation needed]
Aug. 20—Amid a local and national surge of syphilis, the U.S. Food and Drug Administration this month approved an over-the-counter test for the sexually transmitted infection.
It is used as a confirmatory test for syphilis infection. A negative test result shows a tight button or spot of red blood cells on the surface of the test dish. Often a plastic test plate containing many small "wells" is used as the test dish so that many patients may be tested at the same time but their results can be kept separate from each ...
Developed by privately held NOWDiagnostics, the antibody test helps identify current or past infection and provides a result in about 15 minutes. However, the regulator added that the results from ...
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