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Background Intestinal immune activation is involved in irritable bowel syndrome ( IBS) pathophysiology. While most dietary approaches in IBS involve food avoidance, there are fewer indications on food supplementation. Palmithoylethanolamide, structurally related to the endocannabinoid anandamide, and polydatin are dietary compounds which act synergistically to reduce mast cell activation. Aim To assess the effect on mast cell count and the efficacy of palmithoylethanolamide/polydatin in patients with IBS. Methods We conducted a pilot, 12-week, randomised, double-blind, placebo-controlled, multicentre study assessing the effect of palmithoylethanolamide/polydatin 200 mg/20 mg or placebo b.d. on low-grade immune activation, endocannabinoid system and symptoms in IBS patients. Biopsy samples, obtained at screening visit and at the end of the study, were analysed by immunohistochemistry, enzyme-linked immunoassay, liquid chromatography and Western blot. Results A total of 54 patients with IBS and 12 healthy controls were enrolled from five European centres. Compared with controls, IBS patients showed higher mucosal mast cell counts (3.2 ± 1.3 vs. 5.3 ± 2.7%, P = 0.013), reduced fatty acid amide oleoylethanolamide (12.7 ± 9.8 vs. 45.8 ± 55.6 pmol/mg, P = 0.002) and increased expression of cannabinoid receptor 2 (0.7 ± 0.1 vs. 1.0 ± 0.8, P = 0.012). The treatment did not significantly modify IBS biological profile, including mast cell count. Compared with placebo, palmithoylethanolamide/polydatin markedly improved abdominal pain severity ( P < 0.05). Conclusions The marked effect of the dietary supplement palmithoylethanolamide/polydatin on abdominal pain in patients with IBS suggests that this is a promising natural approach for pain management in this condition. Further studies are now required to elucidate the mechanism of action of palmithoylethanolamide/polydatin in IBS. ClinicalTrials.gov number, NCT01370720. [ABSTRACT FROM AUTHOR]

Acute pancreatitis is a disease initially located into the pancreas that may become a systemic disease involving organs distant from the pancreas. All organs may be involved during an acute attack of pancreatitis: lungs, kidney, heart, liver, brain. The differential is sometime difficult because acute pancreatitis may sometimes mimic an acute coronary syndrome. We report a case of a 36-year-old man who was admitted to Emergency Room for persistent epigastric pain. Serial electrocardiograms (ECG) showed signs of acute myocardial infarction. However, a coronary angiogram demonstrated no coronary artery disease, and serum troponin was undetectable. Later, serum pancreatic enzyme levels were elevated and an ultrasonography scan of the abdomen was consistent with pancreatitis. Physicians should keep in mind the possibility of an attack of pancreatitis in a patient with abdominal pain and ECG modifications who is a heavy drinker. [ABSTRACT FROM AUTHOR]