Imaging of Advanced Medullary Thyroid Carcinoma with the CCK-2 Receptor Agonist 177Lu-PP-F11N – Preliminary Proof of the Principle within the “Lumed” Study Abstract #2014

Introduction: Despite the introduction of new molecular targeted therapies, there is still an unmet need for an effective systemic therapy for advanced medullary thyroid carcinoma (MTC). Targeting the cholecystokinine-2 (CCK-2) receptor with radiolabeled gastrin analogues is a potential approach for radionuclide therapy of MTC.
Aim(s): The aim of this study is the feasibility testing of targeting CCK-2 receptors with the novel 177Lu-labelled gastrin analogue PP-F11N in six patients with advanced MTC. (ClinicalTrials.gov: NCT02088645).
Materials and methods: Six patients fulfilling the inclusion criteria (advanced MTC, Calcitonin > 100 pg/ml and/or doubling time < 24 months) were included in the study. All of them received two injections of 1 GBq 177Lu-PP-F11N with 4 weeks interval. Planar scintigraphy and SPECT/CT scans were performed at several time points post-injection. Several vital parameters were measured.
Conference: 15th Annual ENETS conference 2018 (2018)
Category: Nuclear Medicine - Imaging and Therapy (PRRT)
Presenting Author: Dr. Christof Rottenburger

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