- To compare the control of CIN in the delayed phase provided by a 5-HT3 antagonist combined with acupressure versus placebo acupressure in children 4 to 18 years of age being treated with chemotherapy including cisplatin ≥ 50 mg/m2/dose, ifosfamide plus etoposide/doxorubicin, or cyclophosphamide plus an anthracycline.