“…28,32,37,39,42 Seven designs defined endpoint CT timing using a set number of chemotherapy cycles, ranging from one to six cycles; however, the length of one cycle was not often reported. 23,34,40,50,51,54,55 Ten designs specified a treatment or disease milestone as the endpoint, including first reassessment, 30,31,43,53 progression 18,44,49,52 and last CT. 36,46 Non-specific descriptors for the endpoint, such as 'during treatment' or 'after treatment', were applied in five designs. 24,27,35,38,48 The actual mean or median time between scans was reported for 15/34 cohorts, ranging from 64 to 362 days.…”