- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05524454
Evaluation of a Cone-beam CT Scanner for Image Guided Radiotherapy (CONFIGURE)
Evaluation of a Cone-beam CT Scanner for Image Guided Radiotherapy (CONFIGURE)
Study Overview
Status
Intervention / Treatment
Detailed Description
This study will examine the image quality generated by a new cone-beam CT (CBCT) imaging system integrated into an external beam radiation treatment delivery platform. Normally, CBCT images are acquired at the start of a daily radiation delivery treatment to align the patient with the images that were used to generate their radiation treatment plan. This alignment increases the precision of radiation delivery. This study will assess whether the improvements in image quality expected from the novel CBCT imaging system are sufficient for the images to be used for more than just patient alignment.
The study will enroll patients who will be treated with external beam radiation therapy for the following conditions: head and neck cancers, stage I lung cancer, stage II to IV lung cancer, cancer in the left breast, tumors in the abdomen, and tumors in the pelvic region. Each patient will undergo one additional imaging session with the novel CBCT imaging system during which 1 or 2 CBCT images will be acquired. The number of novel CBCT images acquired depends on the location and type of the patient's tumor. The additional imaging session will occur on the same day as one of the patient's scheduled treatment delivery sessions to minimize impact on the patient's schedule.
The patient's cancer treatment will not be affected by participation in this study. The methodology for the subject's treatment setup, CT simulation, treatment planning, image guidance and treatment delivery will be determined by the subject's treatment team.
The images acquired by the novel CBCT imaging system will be compared to standard CBCT images acquired as part of the patient's treatment and to the CT simulation images used to define the patient's radiation treatment plan.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Limburg
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Maastricht, Limburg, Netherlands, 6229 ET 12
- Maastricht Radiation Oncology
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- The patient will be treated with external beam photon radiotherapy at Maastro for head-and-neck cancer, stage I lung cancer, stage II-IV lung cancer, left breast cancer, or tumours in the abdominal or pelvic region.
- Age ≥ 18 years
- Ability to understand the requirements of the study and to give written informed consent, as determined by the treating physician
- Provision of written informed consent
Exclusion Criteria:
- Patient is pregnant
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Novel CBCT Imaging
All subjects undergo one additional imaging session with the novel CBCT imaging system.
|
One or two CBCT images are acquired on the novel CBCT imaging system.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Image quality
Time Frame: Within 1 month from the start of treatment
|
Comparison of image quality produced by the novel cone-beam CT imaging system to the quality of standard cone-beam CT imaging and to that of conventional CT images used for radiotherapy planning purposes.
For this objective, the image contrast-to-noise ratio (CNR) will be evaluated.
CNR is frequently used to measure image quality.
|
Within 1 month from the start of treatment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Image suitability for radiation dose calculation
Time Frame: Within 1 month from the start of treatment
|
For this objective, targets and organs at risk will be delineated on the novel CBCT images acquired for each subject.
The treatment plan created for the patient on the planning CT scan will be registered to the novel cone-beam CT dataset, the dose will be recalculated on the standard CBCT as well as the novel cone-beam CT.
The delineations of target and OARs will either be copied, deformed or manually delineated on the CBCT images, the radiotherapy dose metrics for specific structures relevant for the anatomical site that is imaged will be compared to dose metrics from the original treatment plan.
|
Within 1 month from the start of treatment
|
Qualitative assessment of novel CBCT images
Time Frame: Within 1 month from the start of treatment
|
Qualitative assessment of the novel CBCT images will be obtained by presenting individual novel CBCT images as well as head-to-head comparisons of novel and standard CBCT images from the same patient to radiation oncologists and radiation therapists.
The reviewers will be asked to evaluate the images on their suitability for anatomical contouring and patient positioning.
Qualitative assessments will be determined using a 5-point Likert scale.
|
Within 1 month from the start of treatment
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- VAR-2022-04
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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