“…When the volume of diarrhoea has decreased (typically to o500 mL/day), oral food is restarted, but certain foods may be better tolerated than others. 19,37,43 General guidelines of the Seattle Cancer Care Alliance recommend specific upgrade diets for patients with GVHD-DT, with limited amounts of fats, fibre, lactose, acidic items and GI irritants, which are stepwise introduced. 19 Only one prospective study investigated effects of this stepwise upgrade diet in 18 patients with GVHD-DT; in this study, the stepwise upgrade diet was compared with a historic control cohort (n ¼ 17) receiving nil by mouth and TPN, for effects.…”