Background and objective Clinical evidence is scarce about the relationship between losartan use and acute pancreatitis. We therefore conducted a population-based case–control study using the database from the Taiwan National Health Insurance Program to investigate this question.
Methods The study consisted of 1449 hypertensive subjects aged 20–84 years with a first episode of acute pancreatitis during the period 2000–2011 as the case group and 2479 hypertensive subjects without acute pancreatitis as the control group. Both the case and control groups were matched for sex, age, comorbidities and index year of acute pancreatitis diagnosis. According to the history of losartan prescription before the date of diagnosis of acute pancreatitis, subjects who had never received a prescription for losartan were defined as ‘never use of losartan’, those whose last remaining losartan tablet was detected within 7 days before the date of diagnosis of acute pancreatitis were defined as ‘current use of losartan’ and those whose last remaining tablet of losartan was detected ≥8 days before the date of diagnosis of acute pancreatitis were defined as ‘late use of losartan’. ORs and 95% CIs were measured to investigate the risk of acute pancreatitis associated with losartan use by the multivariable unconditional logistic regression model.
Results After adjustment for potentially confounding factors, the adjusted OR of acute pancreatitis was 0.96 (95% CI 0.68 to 1.37) for subjects with current use of losartan compared with those with never use of losartan, but the difference was not statistically significant. For subjects with late use of losartan the adjusted OR of acute pancreatitis was 1.05 (95% CI 0.80 to 1.37), which also was not statistically significant.
Conclusions No significant association can be detected between losartan use and acute pancreatitis in hypertensive patients. More research is required to determine the potential role of losartan in the risk of acute pancreatitis.
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