FDA grants marketing clearance for chlamydia and gonorrhea extragenital tests


The Food and Drug Administration has granted its first marketing clearance for extragenital diagnostic tests for chlamydia and gonorrhea.

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The new tests, the Aptima Combo 2 Assay and Xpert CT/NG, use samples from the throat and rectum to test for chlamydia and gonorrhea, according to a statement from the FDA.

“It is best for patients if both [chlamydia and gonorrhea] are caught and treated right away, as significant complications can occur if left untreated,” noted Tim Stenzel, MD, in the statement.

“Today’s clearances provide a mechanism for more easily diagnosing these infections,” said Dr. Stenzel, director of the Office of In Vitro Diagnostics and Radiological Health in the FDA’s Center for Devices and Radiological Health.

The two tests were reviewed through the premarket notification – or 510(k) – pathway, which seeks to demonstrate to the FDA that the device to be marketed is equivalent or better in safety and effectiveness to the legally marketed device.

In the FDA’s evaluation of the tests, it reviewed clinical data from a multisite study of more than 2,500 patients. This study evaluated the diagnostic accuracy of multiple commercially available nucleic acid amplification tests for detection of Neisseria gonorrhoeae and Chlamydia trachomatis from throat and rectal sites. The results of this study and other information reviewed by the FDA demonstrated that the two tests “are safe and effective for extragenital testing for chlamydia and gonorrhea,” according to the statement.

The data were collected through a cross-sectional study coordinated by the Antibacterial Resistance Leadership Group, which is funded and supported by the National Institute of Allergy and Infectious Diseases.

The FDA granted marketing clearance to Hologic and Cepheid for the Aptima Combo 2 Assay and the Xpert CT/NG, respectively.

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