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Nature Reviews Clinical Oncology 6, 248–250 (1 May 2009) | doi:10.1038/nrclinonc.2009.43

Medical Oncology: IROX as second-line therapy for metastatic colorectal cancer

Alberto Sobrero

When irinotecan and oxaliplatin became available in the late 1990s, they were initially used as second-line treatment after fluoropyrimidine failure in patients with advanced colorectal cancer. Today, the majority of patients are treated with the doublets upfront (for example, FOLFOX or FOLFIRI).