ecrin-mdr-crcClinical2016Malignant neoplasm of colonMalignant Neoplasm Of ColonObservationalhttps://newmdr.ecrin.org/Study/2432693Germany10ECRIN MDRCompletedfalseCORNELIUS (COloRectal CaNcEr in ELderly MultImorbide PopUlationS): a non-interventional observational studyInterventions: 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: treatment2016-10-152432693DRKS00011482