NIH-funded research R01 grant

Targeting gut bacteria to stop melanoma spread to lymph nodes

Official title: Targeting the gut microbiome to inhibit melanoma lymph node metastases

Funded at University of Tx Md Anderson Can Ctr · NIH-11321216 · Data updated 2026-11-12

A study will test whether changing a patient’s gut bacteria can prevent melanoma from spreading to nearby lymph nodes.

More Melanoma research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Tx Md Anderson Can Ctr
NIH-funded
Lab location1 site (Houston, United States)
Project startMay 1, 2024
Project endMay 30, 2028
Funding year2026
Award (this year)$515,112
NIH project number5R01CA289456-03
Project IDNIH-11321216 on NIH RePORTER

Who could benefit from this research

Could help

Adults with melanoma, particularly those at risk of lymph node metastasis, may be eligible for related future studies.

Less likely to help

If metastasis is not influenced by the gut microbiome in a given patient, there may be no direct benefit.

What this research studies

This grant explores if the gut microbiome influences how melanoma grows and spreads, and whether manipulating gut bacteria can reduce lymph node metastasis. Researchers will study tumor and gut samples from melanoma patients and use models to see how microbes affect the immune response against cancer in the skin and nodes. The work aims to identify potential microbiome-based strategies to prevent metastasis and improve therapies for melanoma.

Why it matters

Potential benefit: If successful, patients could have new ways to prevent melanoma from spreading and improve responses to existing treatments.

How similar studies have gone: Previous work shows the gut microbiome can affect response to immunotherapy; this study extends that to metastasis prevention.

Where this research is happening

  • University of Tx Md Anderson Can Ctr
    Houston, United States
    Active

Researchers

  • Principal investigator: Wargo, Jennifer a. — University of Tx Md Anderson Can Ctr
  • Study coordinator: Wargo, Jennifer a.

Related research

Other NIH-funded projects on the same topics.

  • Using gut bacteria to prevent melanoma from spreading to lymph nodes

    This study is looking at how the bacteria in your gut might affect the spread of melanoma, a type of skin cancer, to your lymph nodes, and it’s for patients who want to help researchers understand how changing gut bacteria could boost the immune system's ability to fight this cancer.

    NIH research University of Tx Md Anderson Can Ctr · Houston, United States · NIH-11080289

  • Melanoma vaccine built from tiny spherical nucleic acids

    A new kind of cancer vaccine using tiny spherical nucleic acids to help the immune system fight advanced melanoma.

    NIH research Northwestern University · Chicago, United States · NIH-11600597

  • Multi-agent AI to annotate enzymes in the human gut microbiome

    A team at a major university will build an AI system that automatically curates and labels the functions of enzymes in the human gut microbiome to speed up understanding their health effects.

    NIH research University of South Florida · Tampa, United States · NIH-11594384

  • Mapping how gut bacteria transform drugs

    Scientists will study how the gut microbiome changes thousands of drugs into new forms, which could affect how well a medicine works or whether it causes side effects.

    NIH research Stanford University · Stanford, United States · NIH-11550022

  • Injecting immune-boosting medicine into melanoma tumors to help the immune system reject them

    This gives an immune-boosting drug directly into melanoma tumors in pet dogs to help their T cells find and destroy the cancer.

    NIH research Wm S. Middleton Memorial Veterans Hosp · Madison, United States · NIH-11520231

  • Aflatoxin exposure and child growth in Guatemala

    A study in rural Guatemala will track how exposure to aflatoxin relates to growth and gut health in young children.

    NIH research Arizona State University-Tempe Campus · Scottsdale, United States · NIH-11513260

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.