CALM-NET, A Multicentre, Exploratory Study to Assess the Clinical Value of Circulating Tumour Cells (CTCs) Enumeration in Patients (Pts) with Functioning Midgut NETs Receiving Lanreotide Autogel (LAN) Abstract #1714

Introduction: The presence of CTCs confers adverse prognosis in metastatic NET pts with heterogenous treatment history. Post treatment CTC count correlates with disease progression and overall survival.
Aim(s): CALM-NET (NCT02075606) investigates the benefit of enumerating CTCs to predict symptom control in midgut NET pts on LAN.
Materials and methods: This study enrolled 50 pts with somatostatin receptor positive, functioning midgut G1/G2 NET. Pts were not permitted to receive interferon, chemotherapy, chemoembolisation or radionuclide therapy within 3 mo of study entry; prior somatostatin analogue treatment was permitted but after washout. Pts receive LAN at a starting dose of 120mg/28d; after 3 injections, dose can be maintained or down-titrated to 60 or 90mg/28d for remainder of the study. CTC levels are measured at 1, 5, 17, 25 & 53wks, and pts report on symptom control. Frequency/severity of symptoms are taken daily in the first 16wks, on days 11-17 for subsequent injections and days 11-28 after wk49. CT/MRI scans are used to assess progression at wks25 & 53. Impact on quality of life is assessed via the EORTC QLQ-NET21 and QLQ-C30.
Conference: 14th Annual ENETS conference 2017 (2017)
Category: Basic Science - In vitro models, tumor growth, CTCs
Presenting Author: Dr Kate Higgs

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