Early and very early nutrition in acute pancreatitis

Patients with mild to moderate AP will be randomized to groups: A - refeeding within 24 hours from the hospital admission, B - refeeding after 24 hours from the hospital admission. The patient will be able to choose low fat and low-fiber products and meals. Proinflammatory cytokines and zonulin levels will be assessed at the day 0, S and 5 of hospitalization and at the day of hospital discharge.