NIH-funded research R21 grant

Enhancing cancer immunotherapy using a specific lipid compound

Official title: Tetraacylated lipid A enhancement of checkpoint blocking cancer immunotherapy

Funded at Harvard Medical School · NIH-10994161 · Data updated 2026-11-12

This study is looking at how a natural compound from our gut might help boost the effectiveness of cancer treatments for patients who haven't had success with current therapies, by working alongside a type of treatment that helps the immune system fight cancer.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionHarvard Medical School
NIH-funded
Lab location1 site (Boston, United States)
Project startDecember 4, 2023
Project endNovember 30, 2025
Funding year2025
Award (this year)$178,294
NIH project number5R21CA287104-02
Project IDNIH-10994161 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are cancer patients, particularly those with adenocarcinoma, who have not responded to anti-PD-L1 therapy.

Less likely to help

Patients who are not diagnosed with cancer or those who have already responded positively to existing immunotherapy treatments may not benefit from this research.

What this research studies

This research investigates how a specific compound derived from the gut microbiome, known as tetra-acylated lipid A, can improve the effectiveness of cancer immunotherapy, particularly for patients who do not respond to existing treatments. The study will explore the interaction between this compound and immune checkpoint inhibitors, which are designed to activate the immune system against cancer. By using animal models, the researchers aim to determine if this compound can enhance the response to anti-PD-L1 therapy, potentially leading to better outcomes for patients with certain types of cancer.

Why it matters

Potential benefit: If successful, this research could provide a new treatment option that significantly improves the effectiveness of cancer immunotherapy for patients who currently do not respond to existing therapies.

How similar studies have gone: Previous research has shown promising results in enhancing cancer immunotherapy through microbiome interactions, suggesting that this approach could be a viable and innovative strategy.

Where this research is happening

  • Harvard Medical School
    Boston, United States
    Active

Researchers

  • Principal investigator: Kasper, Dennis L. — Harvard Medical School
  • Study coordinator: Kasper, Dennis L.

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.