How mitochondrial DNA affects cancer treatment and gut bacteria

Anti-tumor immunity and intestinal microbiota are modulated by mitochondrial DNA

NIH-funded research Children's Hosp of Philadelphia · NIH-11080875

This study is looking at how the DNA in our cells might affect how well immunotherapy works for people with advanced melanoma, and it’s exploring whether sharing gut bacteria from patients who respond well to treatment can help those who don’t respond as well.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionChildren's Hosp of Philadelphia NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11080875 on NIH RePORTER

What this research studies

This research investigates the relationship between mitochondrial DNA and the effectiveness of anti-cancer immunotherapy, particularly in metastatic melanoma patients. It explores how fecal microbiota transfer from successful immunotherapy responders can potentially convert non-responders into responders. By studying different mouse models with varying mitochondrial DNA, the research aims to identify factors that influence the gut microbiota and its impact on anti-tumor immunity. The findings could lead to new strategies for enhancing immunotherapy responses in patients.

Who could benefit from this research

Good fit: Ideal candidates for this research are metastatic melanoma patients who have not responded to anti-PD-1 immunotherapy.

Not a fit: Patients with early-stage melanoma or those who have not undergone immunotherapy may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could improve treatment outcomes for melanoma patients who currently do not respond to immunotherapy.

How similar studies have performed: Previous studies have shown promising results with fecal microbiota transfer in enhancing immunotherapy responses, indicating potential for success in this approach.

Where this research is happening

Philadelphia, 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 anti-cancer immunotherapy
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.