Evaluation of Ocoxin®-Viusid® in Advanced Stomach Cancer and Gastric Esophagogastric Junction

Ocoxin-Viusid group (Experimental). Oral solution of Ocoxin-Viusid (vials of 30 ml), at a rate of 60 ml daily (1 vial every 12 hours), administrado preferably administered after breakfast and dinner. The product will dilute in water, milk or juice. The treatment will have a period of 19 weeks, starting 2 weeks before the onco-specific treatment with FOLFOX chemotherapy and will end 3 weeks after the end of the sixth cycle of chemotherapy. QT FOLFOX will be prescribed intravenously every 14 days for 6 cycles as follows: Oxaliplatin (85 mg x m2) on day 1 Folinic acid (200 mg x m2) on day 1 and 2 5 Fluoracil (400 mg x m2, bolus) on day 1 and 2 5 Fluoracil (600 mg x m2, continuous infusion) on day 1 and 2