CORNELIUS (COloRectal CaNcEr in ELderly MultImorbide PopUlationS): a non-interventional observational study

Interventions: Group 1: Efficacy and safety profile of oxaliplatin or axinotecan will be documented under routine practice conditions in patients where treatment with oxaliplatin or axinotecan is indicated. No further pre-selection is allowed. Descriptive analysis will be performed. Side effects which were not observed so far will be reported Primary outcome(s): Efficacy and tolerability of oxaliplatin or axinotecan in routine practice Study Design: Allocation: ; Masking: ; Control: ; Assignment: ; Study design purpose: treatment