Using blood tests to detect cancer-causing mutations from environmental exposures

Leveraging mutational analysis of cell-free DNA to identify carcinogenic exposure and enable early detection of cancer

NIH-funded research Massachusetts Institute of Technology · NIH-11099951

This study is looking to create a simple blood test that can spot specific changes in your DNA caused by harmful substances in the environment, helping to catch cancer earlier without needing invasive procedures.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMassachusetts Institute of Technology NIH-funded
Lab location1 site (Cambridge, United States)
Project IDNIH-11099951 on NIH RePORTER

What this research studies

This research aims to develop a blood-based tool that can identify specific mutations in cell-free DNA (cfDNA) linked to exposure to environmental carcinogens like aflatoxin B1 and N-nitrosodimethylamine. By analyzing the unique mutational patterns that arise shortly after exposure, the study seeks to create a non-invasive method for early cancer detection. Patients will provide blood samples, which will be analyzed to detect these mutational fingerprints, potentially leading to earlier diagnosis and intervention. This approach addresses the current limitations of invasive tissue sampling and traditional DNA sequencing methods.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals who have been exposed to known carcinogens and are at risk for developing cancer.

Not a fit: Patients who have not been exposed to environmental carcinogens or those with no risk factors for cancer may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could enable earlier detection of cancer, improving treatment outcomes for patients exposed to harmful environmental agents.

How similar studies have performed: Previous research has shown promise in using mutational analysis for cancer detection, indicating that this approach could be a significant advancement in the field.

Where this research is happening

Cambridge, 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 advanced disease
Last reviewed 2026-06-09 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.