C6461003 Symbiotic-GI03 https://www.nct-dresden.de/en/trials/900-000002576 https://www.nct-dresden.de/@@site-logo/logo-nct.svg C6461003 Symbiotic-GI03 Category Gastrointestinal tumors Subcategory Colorectal cancer Trial Type First-Line-Therapy (Metastatic Disease/Hematology) Tumormarkers KRAS NRAS Description for experts Description for laymen