Aprepitant for Nause and Vomiting Induced by Chemoradiotherapy in HNSCC

Intensity-modulated radiotherapy was given to the patients with regimen of 69.96 Gy-73.92 Gy to the gross target volume of nasopharynx,69.96 Gy to the gross target volume of positive nodes, 60.06 Gy the high risk clinical target volume, 50.96 Gy to the low risk clinical target volume. Concurrent chemotherapy is administrated with cisplatin 100mg/m2 at d1, d22, d43 during radiotherapy. Patients receive concurrent aprepitant 125mg, dexamethasone 12mg, and ondansetron 8mg p.o. on day1. AND then patients received aprepitant 80mg, dexamethasone 8mg on day 2-5 at every chemotherapy cycle.