NIH-funded research R15 grant

Investigating how bacterial growth affects antibiotic effectiveness

Official title: Does growth efficiency determine the inoculum effect?

Funded at Nova Southeastern University · NIH-10359939 · Data updated 2026-11-12

This study is looking at how the number of certain bacteria, like Klebsiella pneumoniae and E. coli, affects how well antibiotics work against them, with the goal of finding better ways to treat infections caused by these germs.

Quick facts

Grant typeR15 grant
Study typeNIH-funded research
Funding institutionNova Southeastern University
NIH-funded
Lab location1 site (Fort Lauderdale-Davie, UNITED STATES)
Project startDecember 17, 2021
Project endNovember 30, 2025
Funding year2022
Award (this year)$462,459
NIH project number1R15AI159902-01A1
Project IDNIH-10359939 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals suffering from infections caused by antibiotic-resistant bacteria, particularly those involving Klebsiella pneumoniae or Escherichia coli.

Less likely to help

Patients with infections caused by non-resistant bacteria or those who do not respond to antibiotic treatments may not benefit from this research.

What this research studies

This research explores how the density of bacterial populations, specifically Klebsiella pneumoniae and Escherichia coli, influences their resistance to antibiotics. By examining the inoculum effect, where higher bacterial densities require more antibiotics to be effectively treated, the study aims to understand the relationship between bacterial growth rates and antibiotic efficacy. The researchers will utilize computer simulations to model these interactions and identify potential strategies to enhance the effectiveness of existing antibiotics. This could lead to improved treatment protocols for bacterial infections.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatment strategies for antibiotic-resistant bacterial infections.

How similar studies have gone: Previous research has shown promising results in understanding the inoculum effect and its implications for antibiotic treatment, suggesting that this approach could lead to significant advancements in managing bacterial infections.

Where this research is happening

  • Nova Southeastern University
    Fort Lauderdale-Davie, United States
    Active

Researchers

  • Principal investigator: Smith, Robert P — Nova Southeastern University
  • Study coordinator: Smith, Robert P

Related research

Other NIH-funded projects on the same topics.

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.