New grid tech aims to sharpen cancer scans

NCT ID NCT04565457

Completed Knowledge-focused Sponsor: University of Colorado, Denver Source: ClinicalTrials.gov ↗

First seen Nov 01, 2025 · Last updated Jun 17, 2026 · Updated 35 times

Summary

This study tested whether a special grid (2D antiscatter grid) can improve the quality of cone beam CT (CBCT) images used during radiation therapy for prostate, head/neck, and upper abdomen cancers. Researchers compared standard CBCT images to those taken with the new grid in 43 participants. The goal was to see if the grid reduces image errors and improves tissue visibility, which could help doctors target tumors more accurately.

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Contacts and locations

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Locations

University of Colorado Hospital

Aurora, Colorado, 80045, United States
University of Florida Health Proton Therapy Institute

Jacksonville, Florida, 32206, United States

Conditions

The condition(s) this trial relates to.

digestive system cancer head and neck cancer Head and Neck Neoplasms prostate cancer

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HEAD AND NECK CANCERS HEAD AND NECK CANCERS PROSTATE CANCER UPPER ABDOMEN CANCERS UPPER ABDOMEN CANCERS