The American Society of Clinical Oncology (ASCO) has released a new guideline that states that patients with clinically low-risk stage III colon cancer should have the option of receiving 3 months of adjuvant oxaliplatin-based chemotherapy.
For patients at a high risk of recurrence (T4 and/or N2), adjuvant chemotherapy should be offered for a duration of 6 months.
For patients at a low risk of recurrence (T1, T2, or T3 and N1), either 6 months of adjuvant chemotherapy or a shorter duration of 3 months may be offered on the basis of a potential reduction in adverse events and no significant difference in disease-free survival with the 3-month regimen.
Patients should discuss whether the shortened course of chemotherapy might be appropriate for their unique situation.
Journal of Clinical Oncology (online April 15, 2019; doi:10.1200/JCO.19.00281).
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