177Lu-DOTATATE Modified Delivery Based on Individualized Dosimetry
Trial Parameters
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Brief Summary
The goal of this study is to learn if individualized dosimetry-based prescribing of Lutetium-177 DOTATATE (Lutathera, Novartis Pharmaceuticals) improves treatment outcomes for adults with unresectable neuroendocrine tumors. To investigate this, study participants will: * Undergo Somatostatin Receptor (SSTR) positron emission tomography (PET) imaging, such as a DOTATOC PET/CT scan * Be randomized to receive standard treatment (as per FDA guidelines) or investigational treatment (customized dosing of Lutathera based upon dosimetry) * Undergo blood tests for 4 to 8 weeks after each Lutathera treatment * Complete patient reported outcome questionnaires * Visit the clinic for follow-up about every 8 weeks.
Eligibility Criteria
In order to be eligible to participate in this study, an individual must meet all of the following criteria. A physical, with vital signs, concomitant medication review, and medical history must be completed within 60 calendar days to confirm appropriateness of Lutathera treatment as well as to foundation for listed criteria. Inclusion Criteria: * Provision of signed and dated informed consent form. * Stated willingness to comply with all study procedures and availability for the duration of the study. * Aged ≥ 18 years at time of consent. * Pathologically confirmed (histology or cytology) malignant neoplasm that is determined to be a well-differentiated neuroendocrine tumor (Ki-67 ≤ 20%) with the primary tumor location known or believed to be gastroenteropancreatic origin (GEP-NET) * Disease measuring ≥ 1.5 cm in diameter on CT or MRI as measured per RECIST that shows uptake \> liver background on sstr2 PET/CT with any FDA approved sstr2 imaging agent. SSTR2 PET/CT must have been obta