DPYD and mucositis: One of the four Indian cohort studies reported a decreased incidence of mucositis (p = 0.016) and diarrhoea (p = 0.006) in DPYD variant carriers of either c.85 T>C, c.496A>G, c.1627A>G, c.1905+1G>A and/or c.2194G>A after 50% capecitabine dose reduction in cycle 2 of chemotherapy [88].