NIH-funded research R01 grant

Using alpha particles and ATR inhibition to boost the immune system against tumors

Official title: Alpha particles combined with ATR inhibition to activate the immune system: mechanisms and pre-clinical translation

Funded at University of Tx Md Anderson Can Ctr · NIH-11085275 · Data updated 2026-11-12

This study is looking at how a special type of radiation can help your immune system better fight tumors by making them more visible, and it also tests a combination with another treatment to boost this effect even more.

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 startJune 12, 2023
Project endMay 31, 2028
Funding year2025
Award (this year)$520,199
NIH project number5R01CA279119-03
Project IDNIH-11085275 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are patients with tumors that may respond to enhanced immune activation through radiation therapy.

Less likely to help

Patients with non-tumor conditions or those whose tumors are not amenable to this type of treatment may not benefit from this research.

What this research studies

This research investigates how alpha particles, a type of radiation, can enhance the immune response to tumors by inducing the release of immunostimulatory signals. It focuses on the mechanisms by which radiation creates micronuclei that activate the cGAS-STING pathway, which is crucial for immune activation. The study also explores the combination of this radiation approach with ATR inhibition to further improve anti-tumor immunity. Patients may benefit from this innovative treatment strategy that aims to make tumors more recognizable to the immune system.

Why it matters

Potential benefit: If successful, this research could lead to more effective cancer treatments that harness the body's immune system to fight tumors.

How similar studies have gone: Other research has shown promising results in using radiation to stimulate immune responses, making this approach a potentially valuable advancement in cancer treatment.

Where this research is happening

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

Researchers

  • Principal investigator: Sawakuchi, Gabriel Oliveira — University of Tx Md Anderson Can Ctr
  • Study coordinator: Sawakuchi, Gabriel Oliveira

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.