Improving liver tumor targeting for radiotherapy without contrast agents

Accurate 4D Liver Tumor Localization for Radiotherapy using Contrast-Agent-Free X-ray Imaging and Liver Biomechanical Modeling

['FUNDING_R01'] · UT SOUTHWESTERN MEDICAL CENTER · NIH-10848450

This study is testing a new imaging method to help doctors find liver tumors more accurately during radiation treatment, so they can target the tumors better and protect healthy tissue, making the treatment safer and more effective for patients.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUT SOUTHWESTERN MEDICAL CENTER (nih funded)
Locations1 site (DALLAS, UNITED STATES)
Trial IDNIH-10848450 on ClinicalTrials.gov

What this research studies

This research focuses on enhancing the accuracy of liver tumor localization during radiotherapy by developing a new imaging technique called Bio-4DCBCT. This method combines biomechanical modeling with advanced imaging to better track liver tumors as they move during breathing, which is crucial for effective treatment. By reducing the treatment area to closely match the tumor's actual size, this approach aims to minimize radiation exposure to healthy liver tissue and improve patient outcomes. The study seeks to address the limitations of current imaging techniques that often lead to excessive radiation being delivered to surrounding organs.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients diagnosed with primary or metastatic liver cancers who are undergoing stereotactic body radiotherapy.

Not a fit: Patients with liver tumors that are not suitable for radiotherapy or those with advanced liver disease may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more precise radiotherapy for liver cancer patients, reducing side effects and improving treatment effectiveness.

How similar studies have performed: Previous research has shown promise in improving tumor localization techniques, but this specific approach using biomechanical modeling is relatively novel.

Where this research is happening

DALLAS, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.