ASHA remains an independent, unbiased source of information on sexual health. We are guided by science, not ideology. READ MORE.
ASHA remains an independent, unbiased source of information on sexual health. We are guided by science, not ideology. READ MORE.

American Sexual
Health Association

A Truly At-Home Test for Bacterial STIs Does Well in Trials

Swabs and vials for an at-home test

Visby recently announced promising results of a clinical trial that could bring lab-quality STI testing into our homes. The new, completely at-home PCR test for chlamydia, gonorrhea, and trichomaniasis could allow people to test themselves and get results and treatment within a matter of hours. If it gets FDA approval, this would join other FDA-approved tests at-home tests for syphilis and HIV.

Most STI tests are processed by a lab. Traditionally, you would go to a doctor’s office or clinic, a provider would collect a sample (often by swabbing your vagina or urethra), and that sample would be sent to a lab for analysis using special equipment.

Today, there are two additional options. Some providers offer “point-of-care” tests. This means that they collect the sample and run the test right there in the office (like the way a pediatrician runs a rapid strep test.) You may get the test results while you’re still in the office or your provider may call you with them in a few hours.

There are also many “at-home” test kits on the market. These kits allow you to skip the doctor’s office altogether by giving you the swabs and tubes you need to collect samples at home. You don’t get to skip the lab, however. You send your samples to a lab and get the test results back usually within a few days or a week. (The only exception to this is OraQuick, a rapid HIV test that uses a saliva sample and offers at-home results in 20 minutes. The at-home syphilis test, First To Know Syphilis Test, can give preliminary results at home in about 15 minutes, but a second test to confirm the results must be done at a provider’s office. )

Visby is hoping to change this with a truly at-home vaginal test for some of the most common bacterial STIs. The test kit includes a swab (so users can collect a vaginal sample), a tube with buffer solution, a syringe, the PCR test device itself, and a code for downloading a corresponding app. The app provides video instruction on how to collect a sample, place it in the buffer solution, and load it into the PCR device. The app then takes an image of the results from the device, generates a PDF, and offers access to telemedicine provider who can treat the STI(s) if needed.

The company recently presented results of its clinical trial at ID Week, an annual meeting of infectious disease specialists. The goal of the study was to see if the at-home test kit produced the same quality results as tests in other settings. It was less about the technology and more about whether users could follow the instructions, collect viable samples, and use the PCR device. The trial included 2,203 female users over 14 who performed the test in “simulated at-home settings.” Participants were not trained in advance and did not get any help from study staff. According to the company, the results were comparable to those conducted in a lab.

While most infectious disease experts who attended the presentation were impressed with the results, some had concerns. A few questioned how/whether these results would be properly reported to the Centers for Disease Control and Prevention (CDC) and local health departments. Others wondered whether users would inform their sexual partners of positive results. In addition, attendees were concerned about the price of the device (which is not yet determined) and the fact that it is for one-time-use only.

Still, most experts agree that more options for STI testing are important. Chlamydia, gonorrhea, and trichomaniasis are common STIs that have no symptoms. They can all be cured with antibiotics, but infections that are not detected and treated can lead to long term health consequences. The quicker an infection is caught and treated, the less likely it is to be spread to others.

The at-home PCR test has not yet been cleared or approved by the FDA.

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