Detecting Chemosensitivity and Predicting Treatmemt Efficacy With CTCs in mNPC

"GP: cisplatin 80 mg/m2 intravenous infusion on day1, gemcitabine 1000 mg/m2 intravenous infusion on day 1 and 8, both drugs are given every 3 weeks, recommended 6 cycles.~TP: cisplatin 75 mg/m2 intravenous infusion in day1, docetaxel 75 mg/m2 intravenous infusion in day 1, both drugs are given every 3 weeks, recommended 6 cycles.~PF: cisplatin 100 mg/m2 intravenous infusion in day1, fluorouracil 4000 mg/m2 intravenous infusion in day 1 to 5, both drugs are given every 3 weeks, recommended 6 cycles.~TPF: cisplatin 60 mg/m2 intravenous infusion in day1, docetaxel 60 mg/m2 intravenous infusion in day 1, fluorouracil 3000 mg/m2 intravenous infusion in day 1 to 5, both drugs are given every 3 weeks, recommended 6 cycles.~Choice of chemotherapy regimen is decided by patient's doctor in charge."