1720 How many research nurses for how many clinical trials in an oncology setting? Definition of the Nursing Time Required by Clinical Trial - Assessment Tool (NTRCT-AT). (September 2015) - Milani, A.; Stucchi, S.; Saiani, L.; Pravettoni, G.; Di Leo, M.; Passoni, C.; Profeta, T.; Gandini, A.; Ciccarelli, C.; Paria, C.; Sbriglia, A.; Liptrott, S.J.; et al.