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NCT05975619 · ClinicalTrials.gov record · last posted 2025-06-24

A Prospective Imaging Study of the Integrated TrueBeam-HyperSight CBCT System

StatusActive, Not Recruiting
PhaseNot applicable
Started2023-08-29
View on ClinicalTrials.gov ↗
from the ClinicalTrials.gov record
Cone beam computed tomography (CBCT) images are routinely used in radiation treatment delivery workflows to align patients with the treatment beam. Conventional CBCT image quality is sufficient for this task but not good enough for other radiotherapy-related tasks, such as contouring anatomical structures and calculating radiation dose distributions. HyperSight is a new CBCT imaging system manufactured by Varian Medical Systems. The purpose of this study is to evaluate the integration of the HyperSight imaging system with Varian's TrueBeam radiotherapy system, a linear accelerator with a C-arm gantry that rotates about the patient to delivery radiation to the target malignancy. HyperSight CBCT images will be acquired prospectively from patients who are receiving radiation treatment. The HyperSight/TrueBeam system will be used for imaging only; patients receive their radiation treatment on cleared devices and no aspect of their treatment is affected by participation in the study. HyperSight images collected during the study will be evaluated for quality and utility and compared to conventional CBCT images as well as fan beam CT images used for treatment planning.

Amendment record 4 amendments on the ClinicalTrials.gov record

This ClinicalTrials.gov record has been amended 4 times since 2023-07-26; most recent amendment 2025-06-18. DataLookout shows field-level changes from the day a trial enters its daily monitoring; earlier amendments are counted here from the ClinicalTrials.gov version history. See every version on ClinicalTrials.gov ↗

2025-06-18
Status change Recruiting→Active, Not Recruitingv4
2023-09-05
Status change Not Yet Recruiting→Recruitingv2
Trial Details
NCT Number NCT05975619
Lead Sponsor Varian, a Siemens Healthineers Company
Conditions Head and Neck Cancer, Thoracic Cancer, Abdominal Cancer, Pelvic Cancer
Enrollment 40 participants
Start Date 2023-08-29
Primary Completion 2025-03-24 (estimated)
Study Completion 2026-04 (estimated)
Updated on ClinicalTrials.gov 2025-06-24