Quick Test for Syphilis Antibiotic Resistance

Rapid Point-of-Care Detection of T. pallidum Resistance to Macrolides and Tetracyclines by Multiplexed Loop-mediated amplification (LAMP)

['FUNDING_R21'] · UNIVERSITY OF WASHINGTON · NIH-11132973

This project aims to create a fast test to see if syphilis bacteria are resistant to common antibiotics, helping doctors choose the best treatment for patients.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF WASHINGTON (nih funded)
Locations1 site (SEATTLE, UNITED STATES)
Trial IDNIH-11132973 on ClinicalTrials.gov

What this research studies

Syphilis cases are increasing, and there's a shortage of penicillin, the main treatment. This means doctors sometimes rely on other antibiotics like doxycycline or azithromycin. However, syphilis can become resistant to these drugs, making treatment harder and potentially leading to incomplete treatment. This project is developing a quick, easy-to-use test that can tell doctors right away if a patient's syphilis is resistant to these alternative antibiotics. This information will help ensure patients receive the most effective treatment from the start, especially for those who might struggle with multi-day antibiotic regimens.

Who could benefit from this research

Good fit: Patients diagnosed with syphilis who need rapid and accurate information about antibiotic resistance to guide their treatment would be ideal candidates.

Not a fit: Patients whose syphilis is easily treated with standard penicillin or who do not require testing for macrolide or tetracycline resistance may not directly benefit from this specific test.

Why it matters

Potential benefit: If successful, this test could help doctors quickly identify the most effective antibiotic for syphilis, preventing treatment failures and improving patient outcomes.

How similar studies have performed: While high rates of azithromycin resistance have been observed, there are currently no clinical assays available to detect T. pallidum resistance to either macrolides or tetracyclines, making this approach novel.

Where this research is happening

SEATTLE, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.