Annelienke van Hulst

103 Study protocol 3 Table 1. Procedures in the Identification Study Day Timepoint Procedure 1 T1 2 3 4 5 6 T2 7 8 T2a Standard medication - Dexamethasone - Vincristine - Methotrexate X X X X X X X X Questionnaires - SDQ - SDSC - PSI - DT - DT (short) - Support - Support (short) - Eating thermometer X X X X X X X X X X X X Blood sample - Genetics - Dexa peak level - Dexa trough level X X X X Somatic parameters - Weight - Height - Blood pressure X X X X X X X X X Done at (h= home / H= hospital) H h h h h H h H The Identification study is the cohort from which eligible candidates for the Randomized Controlled Trial are selected. T1 = start dexamethasone. T2 = after 5 days of dexamethasone. T2a=2 days after stop dexamethasone. See Figure 1 for a schematic overview Abbreviations: SDQ: Strengths and difficulties questionnaire, SDSC: Sleep disturbance scale for children, PSI: Parenting stress index, DT: Distress thermometer, PedsQL: Pediatric quality of life questionnaire

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