Investigating the long-term risks of neurosyphilis in HIV-positive individuals with unusual syphilis test results

The long-term risk of neurosyphilis in people with HIV experiencing syphilis serologic nonresponse or failure

NIH-funded research Johns Hopkins University · NIH-11142631

This study is looking at people with HIV who have unusual results on their syphilis tests to see if they might be at risk for neurosyphilis, helping doctors figure out if more tests are needed and how to better care for these patients.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionJohns Hopkins University NIH-funded
Lab location1 site (Baltimore, United States)
Project IDNIH-11142631 on NIH RePORTER

What this research studies

This research focuses on understanding the long-term risks of neurosyphilis in people living with HIV who show unusual responses to syphilis tests. It examines cases where patients either do not show the expected decline in syphilis antibody levels or show an unexpected increase, despite treatment. The study aims to identify the need for further testing, such as lumbar punctures, and the implications of these findings on patient care. By analyzing these cases, the research seeks to improve monitoring and treatment strategies for this vulnerable population.

Who could benefit from this research

Good fit: Ideal candidates for this research are HIV-positive individuals who have been treated for syphilis but show atypical serologic responses.

Not a fit: Patients who are HIV-negative or those who do not have a history of syphilis will likely not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better management and treatment protocols for HIV-positive individuals at risk of neurosyphilis.

How similar studies have performed: Previous research has indicated that monitoring serologic responses in syphilis treatment can be complex, but this specific approach to neurosyphilis risk in HIV-positive patients is relatively novel.

Where this research is happening

Baltimore, 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.
Conditions Acquired Immune Deficiency Syndrome VirusAcquired Immunodeficiency Syndrome Virus
Last reviewed 2026-06-10 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.