TITLE

Metformin Use Correlates with Reduced Risk of Gallstones in Diabetic Patients: A 12-Year Follow-up Study

AUTHOR(S)
Kuan-Fu Liao; Hsun-Yang Chuang; Shih-Wei Lai
PUB. DATE
October 2017
SOURCE
Frontiers in Pharmacology;10/24/2017, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Objective: Few studies are available on the association between gallstones and metformin use. The objective of the study was to determine whether metformin use is associated with gallstones. Methods: A population-based retrospective cohort study was conducted using the database of the Taiwan National Health Insurance Program. Subjects of newly diagnosed diabetes mellitus were included from 2002 to 2013. The metformin-exposure group was defined as ≥29 cumulative defined daily dose (DDD) of metformin use. The un-exposure group was defined as <29 cumulative DDD of metformin use. The major endpoint was a new diagnosis of gallstones during the follow-up period. A multivariable Cox proportional hazards regression model was used to evaluate the hazard ratio (HR) and 95% confidence interval (CI) of gallstones associated with metformin use. Results: After controlling for potential confounders, the adjusted HRs of gallstones were 1.11 (95%CI: 0.84-1.46) for subjects with metformin dosage of 29-180 cumulative DDD, and 0.57 (95%CI: 0.42-0.78) for subjects with metformin dosage >180 cumulative DDD, compared with the un-exposure group. Conclusion: Long-term use of metformin is associated with reduced risk of gallstones.
ACCESSION #
125910650

 

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