Understanding individuals in Uganda with trace tuberculosis results

Who are the Ultra-positive, culture-negative? Understanding the trajectories of individuals in Uganda with trace M. tuberculosis nucleic acid in sputum

NIH-funded research Johns Hopkins University · NIH-10900778

This study is looking at people in Uganda who have tested positive for tuberculosis (TB) using a special test, even though other tests say they're negative, to find out what these results mean and how to best support them, especially when it comes to community TB screenings.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionJohns Hopkins University NIH-funded
Lab location1 site (Baltimore, United States)
Project IDNIH-10900778 on NIH RePORTER

What this research studies

This research investigates individuals in Uganda who test positive for tuberculosis (TB) at a trace level using a sensitive diagnostic test but show negative results in traditional cultures. The study aims to determine the significance of these trace-positive results, which may indicate early stages of TB, recent exposure, or even laboratory errors. By analyzing these cases, the research seeks to clarify how to manage individuals with these results, especially in the context of community screening for TB. The approach includes tracking the health trajectories of these individuals to better understand their risk of developing active TB disease.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals in Uganda who have tested trace-positive for tuberculosis but negative in culture, regardless of symptoms.

Not a fit: Patients who have confirmed active tuberculosis or those who do not meet the trace-positive criteria may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved diagnostic strategies and management for individuals at risk of developing tuberculosis.

How similar studies have performed: While the approach of investigating trace-positive results is relatively novel, similar research has shown promise in improving TB diagnostics and management.

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 2026-06-13 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.