Patients meeting all inclusion /exclusion criteria, will be given 3 cycles of the following regimen: 1) digoxin (0.25 mg/day) for a 7-day period (digitalization time) from Day 1 to Day 7; 2) chemotherapy regimen TPF protocol from Day 8 to D12 (continuous perfusion of fluorouracil for 120h, Cisplatin at Day 10 and Docetaxel at Day 11) administered in combination with digoxin 0.25 mg/day from Day 8 to Day 9; 3) a 15-day period off treatment.