Barbara Ann Karmanos Cancer Institute
Imaging procedures such as 1-(2-\[18F\]FLUOROETHYL)-L-Tryptophan PET/CT in patients with cancers may help doctors assess a patient's response to treatment and help plan the best treatment in the future. The purpose is to see if there can be a better differentiation of tumor and non-tumor tissue where the tumor tissue has a higher uptake of Tryptophan.
In this research study, we will compare the uptake of the tracer on F-Tryp PET/CT in patients with cancers; specifically, to evaluate whether the tumors show increased tracer uptake as compared to non-tumor tissues, using F-Tryp PET/CT. Additionally, we will evaluate the biodistribution (i.e. track where the tracer has traveled in the body) and radiation dosimetry (i.e., absorbed dose of tracer in tissue). These changes may be compared with results of the physical examination and scans (CT and MRI or standard clinical PET) that are done as part of routine clinical care or as part of other stud…
Inclusion Criteria: * Age ≥18 years. * Targeted lesion (tumor) is at least 1 cm in diameter as shown by clinical imaging. * Patient is able to lie in the PET/CT scanner for at least 70 minutes while undergoing scanning. * Women of childbearing potential must not be pregnant or breastfeeding. * Recent anatomic imaging with visible disease (tumor) for comparison with the PET/CT. . * Physical exam within 28 days of PET imaging, CBC and Multiphasic (including electrolytes, BUN, creatinine, total bilirubin, AST and ALT) within 14 days. * Patients must sign an informed consent indicating that they…
Radioactive tracer 1-(2-\[18F\]FLUOROETHYL)-L-Tryptophan 0.14mCi/kg/5MBq/kg injection given one time prior to PET Scan.
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