NIH-funded research R01 grant

How certain bacteria can enhance cancer treatment effectiveness

Official title: Defining mechanisms of how immune checkpoint inhibitor-associated bacteria modulate tumor immunity in cancer

Funded at University of Pittsburgh at Pittsburgh · NIH-11131468 · Data updated 2026-11-12

This study is looking at how certain good bacteria in your gut might help make cancer treatments work better for melanoma patients by boosting the immune system, especially the cells that fight tumors, and it hopes to find new ways to improve treatment for those who haven't had success with current options.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Pittsburgh at Pittsburgh
NIH-funded
Lab location1 site (Pittsburgh, United States)
Project startApril 1, 2025
Project endMarch 31, 2030
Funding year2025
Award (this year)$636,222
NIH project number1R01CA293654-01A1
Project IDNIH-11131468 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are melanoma patients who are currently undergoing or considering immune checkpoint inhibitor therapy.

Less likely to help

Patients with cancers that do not respond to immune checkpoint inhibitors or those who are not eligible for such therapies may not benefit from this research.

What this research studies

This research investigates the role of specific bacteria in the gut microbiome that may improve the effectiveness of immune checkpoint inhibitors (ICIs) in cancer treatment, particularly for melanoma patients. The study aims to understand the mechanisms by which these bacteria enhance anti-tumor immunity, focusing on how they influence CD8+ T cells, which are crucial for fighting cancer. By exploring the interaction between dietary components and gut bacteria, the research seeks to identify new strategies to boost the immune response against tumors, potentially leading to better outcomes for patients resistant to current therapies.

Why it matters

Potential benefit: If successful, this research could lead to improved cancer treatments that enhance the effectiveness of existing therapies for patients with melanoma and potentially other cancers.

How similar studies have gone: Previous research has shown promising results in enhancing cancer treatment through microbiome interactions, suggesting that this approach could lead to significant advancements in cancer therapy.

Where this research is happening

  • University of Pittsburgh at Pittsburgh
    Pittsburgh, United States
    Active

Researchers

  • Principal investigator: Meisel, Marlies — University of Pittsburgh at Pittsburgh
  • Study coordinator: Meisel, Marlies

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.