Molecular test to detect cancer in pleural fluid

Development of a Molecular Assay to Diagnose Malignant Pleural Effusions

NIH-funded research Precision Epigenomics, INC. · NIH-11143911

A new liquid‑biopsy test that aims to find cancer in pleural fluid for people with unexplained fluid around the lungs.

Quick facts

Grant typeSbir 2 grant
Study typeNIH-funded research
Funding institutionPrecision Epigenomics, INC. NIH-funded
Lab location1 site (Tucson, UNITED STATES)
Project IDNIH-11143911 on NIH RePORTER

What this research studies

This project will use the Sentinel‑MPE liquid biopsy, a molecular assay that looks for cancer signals in pleural fluid samples. Precision Epigenomics, working with the University of Arizona, will run a multi‑site clinical validation comparing the test to standard cytology. The test uses molecular/epigenetic markers to try to tell malignant pleural effusions from benign ones and is intended to complement current lab methods. If validation is successful, the company plans to make the test available commercially for diagnostic use.

Who could benefit from this research

Good fit: People with pleural effusions of unclear cause or suspected cancer who are undergoing diagnostic evaluation would be the ideal candidates.

Not a fit: Patients whose pleural effusion cause is already known, who do not have available pleural fluid samples, or who are not seen at participating sites would likely not benefit from this study.

Why it matters

Potential benefit: If successful, the test could provide more accurate and faster answers about whether pleural fluid is caused by cancer, helping patients get the right treatment sooner.

How similar studies have performed: Other molecular liquid‑biopsy and DNA methylation approaches have shown promise detecting cancer, but applying the Sentinel‑MPE assay to pleural effusions is a newer and more specialized use.

Where this research is happening

Tucson, 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 Breast Cancer
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.