- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06056063
Project Looking-Glass Evaluation
January 12, 2024 updated by: Abramson Cancer Center at Penn Medicine
Evaluation of Novel CT Imaging for Simulation on a Linear Accelerator
Pilot study to validate the new design and workflow of Cone-Beam CT imaging for radiation therapy treatment simulation.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
This study is a prospective, non-randomized imaging evaluation study.
A cohort of subjects undergoing standard of care radiation therapy will be selected based on malignancies from six disease sites.
The Halcyon 4.0 images acquired in place of standard evaluation CT scans during the course of treatment will be used for target volume delineation and normal structures segmentation.
Treatment plans will be recalculated based on the Halcyon 4.0 images from this system and compared to the original treatment plan.
Dose differences will be evaluated.
Two-tailed t-test will be used to compare the statistical significance of the dosimetric results as well as the volumetric differences among target volume and the volumes of organs at risk.
Study Type
Interventional
Enrollment (Estimated)
36
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Wei Xu
- Phone Number: 215-662-6083
- Email: weixu@pennmedicine.upenn.edu
Study Contact Backup
- Name: Karen Tang
- Phone Number: 215-662-3546
- Email: Karen.Tang1@Pennmedicine.upenn.edu
Study Locations
-
-
Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- Recruiting
- Perelman Center for Advanced Medicine
-
Contact:
- Karen Tang
- Phone Number: 215-662-3546
- Email: Karen.Tang1@Pennmedicine.upenn.edu
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Subjects will be treated with external beam radiotherapy at the Perelman Center for Advanced Medicine for any of the following malignancies: head-and-neck, thoracic, breast, gastrointestinal, gynecologic, or genitourinary.
- Age ≥ 18 years
- Ability to understand the requirements of the study and to give written informed consent, as determined by the treating physician
- Availability of a complete set of treatment plans, including CT simulation images, target and normal structure contours, and radiation treatment prescriptions
Exclusion Criteria:
- Subjects who are pregnant or have plans for pregnancy during the period of treatment.
- Any malignancy not stated above.
- Those unable to be treated on any linear accelerator (whether Truebeam™ or Halcyon™) unit either due to subject anatomy or treatment plan.
- Those undergoing proton therapy.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
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: Evaluate the Halcyon 4.0 obtained CBCT in comparison to a CT SIM for radiotherapy dose planning
To evaluate the Halcyon 4.0 as a machine that will obtain CBCT that will be comparable to a CT simulator for radiotherapy treatment planning dose calculation.
The novel CBCT images of subjects with malignancies from six disease sites obtained during the course of treatment for evaluation in place of the standard evaluation CBCT will be compared to their initial standard conventional CT simulation images used for treatment planning.
|
This Halcyon 4.0 is a new imaging hardware recently developed by Varian and approved by the FDA.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Acceptability of image quality of the novel cone-beam CT imaging system compared to that of standard cone-beam CT imaging and that of conventional fan beam CT imaging used for radiotherapy planning purposes
Time Frame: 1 year
|
Qualitative results (Yes is acceptable/No is not acceptable) will be reported as tabulated data to demonstrate the differences from the standard practice
|
1 year
|
Ease of use of the novel cone-beam CT imaging system compared to standard practice
Time Frame: 1 year
|
Ease of use of the novel cone-beam CT imaging system on a scale of 1 (very easy to use, no difficulty) to 5 (unable to use due to difficulty)
|
1 year
|
Quantitative comparison of the image quality of the novel cone-beam CT imaging system to that of standard cone-beam CT imaging and that of conventional fan beam CT imaging used for radiotherapy planning purposes
Time Frame: 1 year
|
A scale of Better/Worse/Equal will be used for metrics such as CBCT image artifact, CBCT image quality for OAR contouring, CBCT image quality for GTV contouring, motion artifacts, auto-segmentation ability, electron density similarity
|
1 year
|
Statistical significance of quantitative comparison of the image quality of the novel cone-beam CT imaging system and standard practice
Time Frame: 1 year
|
For situations that the quantitative results will be measured, such as the structure volume or predicted electron densities etc., statistical significance will be calculated.
|
1 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of the suitability and workflow of the novel CBCT images for radiation treatment planning and dose calculation.
Time Frame: 1 year
|
The secondary endpoint is to compare the accuracies of dose and volume calculations to the standard arm using the conventional CT simulation.
|
1 year
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Principal Investigator: Michelle Alonso-Basanta, MD, PhD, University of Pennsylvania
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
November 19, 2023
Primary Completion (Estimated)
September 1, 2024
Study Completion (Estimated)
September 1, 2024
Study Registration Dates
First Submitted
August 28, 2023
First Submitted That Met QC Criteria
September 20, 2023
First Posted (Actual)
September 28, 2023
Study Record Updates
Last Update Posted (Estimated)
January 15, 2024
Last Update Submitted That Met QC Criteria
January 12, 2024
Last Verified
January 1, 2024
More Information
Terms related to this study
Other Study ID Numbers
- UPCC 02923
- 852966 (Other Identifier: Abramson Cancer Center)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
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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