George Vlotides, Ayse Tanyeri, Matilde Spampatti, Kathrin Zitzmann, Michael Chourdakis, Gerald Spöttl, Julian Maurer, Svenja Nölting, Burkhard Göke, Christoph J. Auernhammer
Metformin is a widely used oral antidiabetic drug with good tolerability. Recent studies suggest that it also possesses adjuvant potent anticancer properties in a variety of tumors. Neuroendocrine tumors (NETs) of the gastro-entero-pancreatic system (GEP) comprise a heterogeneous group of tumors with increasing incidence …