About this trial
The goal of this clinical trial is to learn if a finger-prick blood test for rapid diagnosis of syphilis infection can be implemented in a low-barrier prenatal clinic for people at risk of syphilis in pregnancy. The test gives results in 5 minutes and also tests for HIV.
The main questions the study aims to answer are:
* How often do pregnant people at risk of syphilis agree to the rapid test? * How well do healthcare providers perform the rapid test? * Does the rapid test speed up diagnosis and treatment of syphilis in pregnant people and their sexual partners?
Participants will:
* Give feedback about why they did or did not want to take the rapid test, and what their experience was taking the test; and * Share information about their health, pregnancy, and syphilis treatment (if applicable).
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Pregnant people
Substance use or accessed addiction services in the past 1 year
Unstable housing in the past 1 year
Multiple sexual partners in the past 1 year
Disqualifiers
Previous syphilis diagnosis
Not competent to consent to study participation
Sexual partners
Sexual partners of pregnant clients who are newly diagnosed with syphilis
Trial design
Single group
Treatments tested in this trial
Rapid Syphilis/HIV point-of-care test
Diagnostic testThe INSTI Multiplex HIV/Syphilis Duo Antibody Test is a rapid immunoassay that can detect HIV and syphilis antibodies in the blood using finger-prick blood samples. The test is Health Canada-approved.
Treatment groups
Trial outcomes
Primary outcomes
Proportion of pregnant clients with syphilis risk factors who undergo syphilis/HIV point-of-care testing the first time it is offered
Secondary outcomes
Proportion of pregnant participants with syphilis risk factors who undergo syphilis/HIV point-of-care testing at least once during pregnancy
Proportion of pregnant participants who undergo syphilis/HIV point-of-care testing, and are willing to undergo the test in future based on post-test survey
Proportion of partner participants who undergo syphilis/HIV point-of-care testing, and are willing to undergo the test in future based on post-test survey
Proportion of syphilis/HIV point-of-care tests with valid results on clinician's first attempt, as defined by the manufacturer's instructions
Sponsors and contacts
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McMaster University
Lead sponsor
Canadian Institutes of Health Research (CIHR)
Collaborator