Abstract
Rationale:Dipeptidyl peptidase-4 inhibitors are commonly used drugs for the treatment of type 2 diabetes mellitus. While acute pancreatitis cases induced by saxagliptin, sitagliptin, and vildagliptin (all of which are members of the dipeptidyl peptidase-4 group) have been reported, there is no clear evidence suggesting that linagliptin may cause pancreatitis, and information in this regard is limited to a few studies. Moreover, no pancreatitis cases have been reported that were directly associated with linagliptin.Patient concerns:We present a case of linagliptin-related pancreatitis in a 79-year-old male diabetic patient with biliary calculi. The patient, who was diagnosed with acute pancreatitis 4 months after initiating linagliptin 5 mg/d treatment, was admitted to our hospital.Diagnoses:The patient's pancreatic enzymes were high. Ultrasonography showed multiple biliary calculi, and abdominal computed tomography showed edematous pancreatitis.Interventions:Linagliptin was discontinued and clinical improvement was achieved with standard acute pancreatitis treatment.Outcomes:This is the 1st case report suggesting that linagliptin might be associated with the risk of pancreatitis and could be an etiologic cause of pancreatitis, similar to the other members of its group.Lessons:While the results of previous studies stated that there was no data to prove a causal relationship between dipeptidyl peptidase-4 inhibitors and pancreatitis, concerns regarding this subject have continued to arise. Therefore, new and comprehensive studies are needed to determine the long-term effects of dipeptidyl peptidase-4 inhibitors on type 2 diabetes mellitus patients and to shed light on the side effects of these medications.
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