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    • FDA permits marketing...

    FDA permits marketing of first test for diagnosing Mycoplasma genitalium

    Written by Dr. Kamal Kant Kohli Kohli Published On 2019-01-24T19:23:56+05:30  |  Updated On 24 Jan 2019 7:23 PM IST
    FDA permits marketing of first test for diagnosing Mycoplasma genitalium

    The U.S. Food and Drug Administration, FDA has permitted marketing of a new test for diagnosing Mycoplasma genitalium. It is a sexually transmitted infection (STI) which is associated with non-gonococcal urethritis in men and cervicitis and pelvic inflammatory disease in women. The new test Aptima Mycoplasma genitalium Assay, is a nucleic acid amplification test, which detects M. gen. in urine, urethral, penile meatal, endocervical or vaginal swab samples collected in a clinical setting, such as a doctor's office or clinic.


    Mycoplasma genitalium is responsible for causing approximately 15 to 30 percent of persistent or recurrent urethritis cases in men in the United States and 10 to 30 percent of cervicitis cases in women, according to the U.S. Centers for Disease Control and Prevention. It is a slow-growing bacterium and is difficult to detect with traditional laboratory methods.


    "Patients with unidentified urogenital infections are typically treated with antibiotics, some of which may not be effective against M. gen.," said FDA Commissioner Scott Gottlieb, M.D. "In the past, it has been hard to diagnose this organism. By being able to detect it more reliably, doctors may be able to more carefully tailor treatment and use medicines most likely to be effective. In cases where M. gen. is detected, doctors can consider forgoing use of antibiotics that are known to be ineffective against M. gen. and choose a treatment more likely to be appropriate. Having accurate and reliable tests to identify the specific bacteria that's causing an infection can assist doctors in choosing the right treatment for the right infection, which can reduce overuse of antibiotics and help in the fight against antimicrobial resistance."


    The FDA reviewed data from a clinical study that included testing of 11,774 samples. The study showed that the Aptima Mycoplasma genitalium Assay correctly identified M. gen. in approximately 90 percent of vaginal, male urethral, male urine and penile samples. It correctly identified M. gen. in female urine and endocervical samples 77.8 percent of the time and 81.5 percent of the time, respectively. Vaginal swabs are the preferred sample type due to better clinical performance, however, alternative sample types, such as urine, can be used if vaginal swabs are not available. In addition, the study showed that the test correctly identified samples that did not have M. gen. present 97.8 to 99.6 percent of the time.


    The FDA reviewed the Aptima Mycoplasma genitalium Assay through the De Novo premarket pathway, a regulatory pathway for low-to-moderate-risk devices of a new type. Through the De Novo authorization, the FDA is establishing special controls for tests of this type, including requirements for demonstrating the accuracy and reliability of tests intended to be used as an aid in the diagnosis of M. gen. urogenital infections. The special controls, when met along with general controls, provide a reasonable assurance of safety and effectiveness for tests of this type.


    This action creates a new regulatory classification, which means that subsequent devices of the same type with the same intended use may go through the FDA's 510(k) premarket process, whereby devices can obtain marketing authorization by demonstrating substantial equivalence to a predicate device.


    Media Inquiries: Angela Stark, 301-796-0397, angela.stark@fda.hhs.gov
    Cervicitisdiagnosis ofFirst testinfection of the reproductive organsM. gen.Mycoplasma genitaliumnon-gonococcal urethritissexually transmitted infectionSTDThe U.S. Food and Drug Administration

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    Dr. Kamal Kant Kohli Kohli
    Dr. Kamal Kant Kohli Kohli
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