Mirtazapine-induced Acute Pancreatitis in Patients With Depression: A Systematic Review

Objective: Antidepressant-induced pancreatitis is a rare, albeit serious, adverse effect, with a frequency of occurrence that is not equally distributed among antidepressant drugs. The goal of this study was to investigate the association and causal relationship between mirtazapine treatment of patients with depression and pancreatitis. Methods: The study was designed as a systematic review of the literature, accompanied by the description of a new case of mirtazapine-associated acute pancreatitis. Results: Nine cases of mirtazapine-associated pancreatitis have been reported, involving 7 female patients and 2 male patients with a mean age of 46.4 years (range: 26 to 83 y of age). All of the patients were hospitalized, with an average length of stay of 16.2 days (range: 3 to 34 d). In 6 cases, “de-challenge” followed by improvement was reported. The patients for whom the outcome was reported (7 of 9) recovered completely. Conclusion: Although a rare adverse effect, mirtazapine-induced pancreatitis should be considered when patients taking mirtazapine report abdominal discomfort.

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