Treatment of acute pancreatitis with protease inhibitors: a meta-analysis

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Abstract

Objectives

Protease inhibitors are used to treat acute pancreatitis, but their effectiveness remains unclear. We performed a meta-analysis to determine whether treatment with protease inhibitors reduces overall mortality or morbidity from acute pancreatitis.

Methods

Articles of randomized controlled trials evaluating effects of protease inhibitors for acute pancreatitis were retrieved by systematically searching Medline, the Cochrane Library and Journal@ovid databases published from January 1966 through December 2003. References of review articles were also searched manually. The main outcome in interest was the overall mortality rate from acute pancreatitis.

Results

Ten studies met the inclusion criteria. Treatment with protease inhibitors did not significantly reduce the mortality rate from acute pancreatitis (pooled risk difference, −0.03; 95% confidence interval, −0.07 to 0.01). Subgroup analyses showed that treatment with protease inhibitors significantly reduced the mortality rate in patients with moderate to severe pancreatitis (pooled risk difference, −0.07; 95% confidence interval, −0.13 to −0.01) as defined by mortality rate in the control group (control mortality rate > 0.10). The decrease in mortality rate was not significant in mild pancreatitis (pooled risk difference, 0.00; 95% confidence interval, −0.04 to 0.05).

Conclusions

Treatment with protease inhibitors does not significantly reduce the mortality in patients with acute or mild pancreatitis, but may reduce the mortality in patients with moderate to severe pancreatitis.

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