NIH-funded research R21 grant

Understanding how tuberculosis bacteria resist rifampin treatment

Official title: Characterizing CaeA-mediated rifampin tolerance in MTB

Funded at Johns Hopkins University · NIH-10738798 · Data updated 2026-11-12

This study is looking at how the tuberculosis bacteria can resist the antibiotic rifampin, with the goal of finding ways to make TB treatments work better and help patients get better faster.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionJohns Hopkins University
NIH-funded
Lab location1 site (Baltimore, United States)
Project startNovember 10, 2022
Project endOctober 31, 2025
Funding year2024
Award (this year)$212,621
NIH project number5R21AI167027-02
Project IDNIH-10738798 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with tuberculosis who may be experiencing treatment challenges or relapses.

Less likely to help

Patients with non-tuberculosis infections or those who have not been diagnosed with tuberculosis may not benefit from this research.

What this research studies

This research investigates the mechanisms by which Mycobacterium tuberculosis (Mtb) develops tolerance to rifampin, a key antibiotic used in tuberculosis treatment. By utilizing a high-throughput screening method, the study aims to identify specific genes in Mtb that contribute to its ability to survive despite antibiotic exposure. This could lead to improved treatment strategies by targeting these mechanisms, ultimately enhancing the effectiveness of existing therapies for tuberculosis. Patients may benefit from more effective treatment regimens that reduce the duration of therapy and improve outcomes.

Why it matters

Potential benefit: If successful, this research could lead to more effective tuberculosis treatments that shorten therapy duration and reduce relapse rates.

How similar studies have gone: Previous research has shown promise in understanding antibiotic resistance mechanisms, suggesting that this approach could yield valuable insights.

Where this research is happening

  • Johns Hopkins University
    Baltimore, United States
    Active

Researchers

  • Principal investigator: Karakousis, Petros C — Johns Hopkins University
  • Study coordinator: Karakousis, Petros C

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.
Last reviewed 2026-11-14 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.