Vitamin C to Quality of Life in Patients With Terminal Stage Pancreatic Cancer

For patients with baseline serum Vitamin C concentration \< 65 μmol/L, intravenous Vitamin C 10 g × 7 days, intravenous Vitamin C 4 g × 7 days, intravenous Vitamin C 2 g × 7 days, followed by continuously 900 mg/day, three times a day, orally. For patients with baseline serum Vitamin C concentration ≥ 65 μmol/L, continuously 900 mg/day, three times a day, orally.