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The goal of this clinical research study is to find the highest tolerable dose of radiation that can be given to directly to the pleura (the outer lining of the lungs) using intensity modulated radiation therapy (IMRT) in patients with malignant mesothelioma (MM) who have had a pleurectomy.
IMRT is a technique to deliver radiation that allows the radiation beam to be shaped around the target area.
Radiation Dose Levels:
If you are found to be eligible to take part in this study, you will be assigned to receive one of two doses of radiation therapy based on when you joined the study. If the first dose is tolerated well by the first group of participants in this study, then the next group of participants will receive the second, higher dose of radiation.
You will have a practice radiation visit about 6-14 weeks after your surgery. At this visit, you will have a computed tomography (CT) scan that will be used by the study staff to target where you will receive the IMRT.
A mold will also be made around your body and marks will be made on your skin to help position your body correctly for the IMRT. This practice visit should take about 1-2 hours.
Two (2) weeks after the practice radiation visit, you will begin receiving IMRT. At each visit, you will lie down in the mold of your body that was made at the practice visit and you will be lined up for the IMRT using the marks made at the practice visit. The IMRT will then be delivered. You will receive IMRT every weekday (Monday-Friday) for up to 5 weeks. These visits should last about 45-60 minutes.
The following tests and procedures will be performed 1 time every week for up to 5 weeks while you are on study:
- You will have a physical and skin exam.
- You will have lung function tests.
You will also have a chest x-ray during the last week that you are receiving IMRT.
Length of Study:
You may receive IMRT for up to 5 weeks. The IMRT will be stopped early if the disease gets worse or intolerable side effects occur.
One (1) month after your last dose of IMRT, you will have a chest x-ray, lung function tests, and physical exam.
Two (2) months after your last dose of IMRT, you will have a chest x-ray and physical exam.
Three (3) months after your last dose of IMRT, you will have a chest x-ray, lung function tests, a physical exam, and a CT scan of your chest.
Every 3 months for 2 years, every 6 months for the next 3 years, and 1 time every year after that, you will have lung function tests, a physical exam, and alternating CT and positron emission tomography (PET) scans to check the status of the disease. This means that if you have a CT scan at one visit, you will have a PET scan at the next visit, or vice versa.
This is an investigational study. IMRT given directly to the pleura in patients with MM after a pleurectomy is currently being used for research purposes only.
Up to 22 patients will take part in this study. All will be enrolled at M. D. Anderson.
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
UT MD Anderson Cancer Center
M.D. Anderson Cancer Center
Published on BioPortfolio: 2014-07-24T14:01:10-0400
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