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Brief Title: Multiple Respiration-Correlated Cone Beam Computed Tomography (CT) Scans to Reduce Target Positioning Errors in Radiotherapy Treatment of Thoracic Cancer
Official Title: The Use of Multiple Respiration-Correlated Cone Beam CT Scans to Reduce Target Positioning Errors in Radiotherapy Treatment of Thoracic Cancer.
Study ID: NCT00722605
Brief Summary: The purpose of this study is to use cone-beam CT scans to more accurately position the tumor during radiation and to see whether this method is more effective than the standard method of using 2D images (portal images), which is a type of X-ray. Cone-beam CT is a type of CT scanner attached to the treatment accelerator that produces 3D images of the patient. The ability to eliminate the tumor with radiation depends in part on the accuracy of delivering the radiation to the lung. The position of the tumor changes because of normal breathing. Therefore, we want to improve the accuracy of the way the radiation is delivered to the tumor. With cone-beam CT scans taken before and during your treatment, we will be able to determine the location of the tumor with 3D images, measure how much the tumor moves as you breathe, and then position you so that the tumor will get the best delivery of radiation.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Memorial Sloan Kettering Cancer Center, New York, New York, United States
Name: Andreas Rimner, MD
Affiliation: Memorial Sloan Kettering Cancer Center
Role: PRINCIPAL_INVESTIGATOR