Observational, retrospective study exploring RAS mutation tests practices in patients with metastatic colorectal cancer in 2014

{"level_sex_clusion_I":[{"value":"Male","concept":{"vocab":"MeSH","vocabURI":"D008297"}},{"value":"Female","concept":{"vocab":"MeSH","vocabURI":"D005260"}}],"level_age_clusion_I":[{"value":"Young Adult (19 to 24 years)","concept":{"vocab":"MeSH","vocabURI":"D055815"}},{"value":"Adult (25 to 44 years)","concept":{"vocab":"MeSH","vocabURI":"D000328"}},{"value":"Middle Aged (45 to 64 years)","concept":{"vocab":"MeSH","vocabURI":"D008875"}},{"value":"Aged (65 to 79 years)","concept":{"vocab":"MeSH","vocabURI":"D000368"}},{"value":"Aged, 80 and over (80 years and more)","concept":{"vocab":"MeSH","vocabURI":"D000369"}}],"level_type_clusion_I":"Patients population","level_type_clusion_other":"","clusion_I":"To obtain the best possible representativeness while limiting bias, the physician had to screen consecutive patients followed for metastatic colorectal cancer and who had to satisfy the following criteria: - patients 18 years of age or older, - patients with metastatic colorectal cancer histologically-confirmed after march 2014 (date the NRAS tests become available in French centers), - patients seen by the physician between June 15th , 2014 and September 30th, 2014 who have already started first-line treatment, during that time interval, for mCRC - patients in whom first-line therapy of metastatic disease had been already initiated between March 1st, 2014 and June 30th, 2014 - patients seen in a routine visit during the official 15-week screening period of the study","clusion_E":""}