cute pancreatitis is a severe disease with an overall mortality of approximately 5%, though in subpopulations with necrotizing pancreatitis and infected necrosis, mortality may be as high as 17% and 30%, respectively. [1][2][3] The most common etiologies are excessive alcohol use and gallstone disease, comprising 70-80% of all cases. Other etiologies include autoimmune disease, iatrogenic injury, inflammatory bowel disease, infections, inherited disorders, neoplasia, structural abnormalities, toxins, trauma, ischaemia and drug toxicity.1-4 Drug-induced pancreatitis is remarkably rare, given the large number of drugs prescribed. Due to its rarity and the lack of unique clinical characteristics, the true epidemiology and risk factors for drug-induced pancreatitis remain unknown. The diagnosis Turkiye Klinikleri J Med Sci 2012;32 (3) 859 Sitagliptin and Acute Pancreatitis:Cases and Literature Review A AB BS ST TR RA AC CT T Acute pancreatitis is the rapid onset inflammation of the pancreas. Medications are rare but important and rising cause of acute pancreatitis and account for approximately 2% of all cases. Sitagliptin is a potent and selective dipeptidyl peptidase-4 (DPP-4) inhibitor for the treatment of patients with type 2 diabetes mellitus and acts by increasing active incretin hormone concentrations. Adverse effects including constipation, nausea, nasopharyngitis, urinary tract infection and dizziness were reported. We reported a case with acute pancreatitis that seems to be induced by sitagliptin.K Ke ey y W Wo or rd ds s: : Sitagliptin; incretins; drug toxicity; acute necrotizing pancreatitis Ö ÖZ ZE ET T Akut pankreatit, pankreasın hızlı gelişen yangısıdır. İlaçlar, nadir, önemli ve gitgide daha fazla dikkat çeken akut pankreatite neden olabilir ve tüm olguların yaklaşık %2'sinden sorumludur. Sitagliptin, tip 2 diabetes mellituslu hastaların tedavisinde kullanılan güçlü ve selektif bir dipeptidil peptidaz-4 (DDP-4) inhibitörüdür ve aktif inkretin hormon konsantrasyonunu artırarak etki eder. Konstipasyon, bulantı, nazofarenjit, üriner sistem enfeksiyonu ve baş dönmesi, bu ilacın bildirilen yan etkileri arasındadır. Bu makalede, sitagliptinin neden olduğu düşünülen bir akut pankreatit olgusu sunulmaktadır.A An na ah ht ta ar r K Ke el li im me el le er r: : Sitagliptin; inkretinler; ilaç toksisitesi; akut nekrotizan pankreatit T Tu ur rk ki iy ye e K Kl li in ni ik kl le er ri i J J M Me ed d S Sc ci i 2 20 01 12 2; ;3 32 2( (3 3) ): :8 85 59 9--6 64 4