Lung Cancer Clinical Trial
Fludeoxyglucose F-18-PET in Planning Lung Cancer Radiation Therapy
Summary
This trial studies how well fludeoxyglucose F-18 - positron emission tomography (PET) works in planning radiation therapy in participants with early non-small cell lung cancer, early stage lung cancer, or cancer that has spread to lungs from other parts of the body. Using PET in addition to the standard computed tomography to plan radiation therapy for cancer may help doctors to maximize the dose to the cancer and minimize the dose to normal tissues.
Full Description
PRIMARY OBJECTIVE:
To determine the maximum inter-fraction variability of fludeoxyglucose F-18 (18-F FDG)-PET activity of thoracic tumor treatment volumes through a 5-fraction stereotactic body radiation therapy (SBRT) course as it relates to the planning feasibility of emission-guided radiation therapy, or biologically-guided radiation therapy (BgRT).
SECONDARY OBJECTIVES:
I. To compare similar inter-fraction variability of FDG-PET activity for non-thoracic SBRT target volumes for the purpose of determining the feasibility of BgRT.
II. To compare dosimetric endpoints for primary tumor coverage and dose to organs at risk between conventional SBRT planning and simulated BgRT, or emission-guided radiation therapy planning for thoracic and non-thoracic targets.
III. To compare dosimetry for primary tumor coverage and dose to organs at risk between adaptive cone beam computed tomography (CT) planning, and simulated adaptive emission-guided radiation therapy (BgRT) planning for thoracic and non-thoracic targets.
IV. To compare variability of 18-F FDG-PET in patients undergoing immunotherapy simultaneously during SBRT, or within 4 weeks of SBRT treatment with patients undergoing SBRT but not receiving immunotherapy.
OUTLINE:
Participants receive fludeoxyglucose F-18 intravenously (IV) and after 60 minutes undergo PET within 4 weeks of the first planned SBRT fraction, prior to the second planned fraction, and prior to the fifth planned fraction.
Eligibility Criteria
Inclusion Criteria:
Patients who are offered radiotherapy using a 5-fraction stereotactic body radiation therapy course, at the recommendation of the treating radiation oncologist
Patients with early non-small cell lung carcinoma, or clinically-diagnosed early stage lung cancer, or pulmonary metastases
Patients with a limited (1-5) number of metastatic foci outside of the thorax who are candidates for consolidative treatment with SBRT
Patient with either a single focus or multiple foci (multi-isocentric planning) of disease in the thorax amenable to SBRT with at least one focus with at least 1.5 cm or larger in its largest diameter
Patients who are planned to receive either chemotherapy, targeted therapy, immunotherapy, or no additional cancer-directed drug therapy
Exclusion Criteria:
Prior radiation therapy which would provide significant dose overlap with the planned target volume(s) delivered within 30 days of enrollment or registration
Major invasive surgical procedure occurring between the first treatment-eligible PET/CT examination and end of radiotherapy that would affect the treatment target region
Patients with minimal FDG-avidity localized to the planned treatment target (e.g. maximum standardized uptake value [SUV] < 4.0)
Pregnancy
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There is 1 Location for this study
Atlanta Georgia, 30322, United States
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