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2017 ; 8
(9
): 16017-16026
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Metformin therapy and risk of colorectal adenomas and colorectal cancer in type 2
diabetes mellitus patients: A systematic review and meta-analysis
#MMPMID27926481
Liu F
; Yan L
; Wang Z
; Lu Y
; Chu Y
; Li X
; Liu Y
; Rui D
; Nie S
; Xiang H
Oncotarget
2017[Feb]; 8
(9
): 16017-16026
PMID27926481
show ga
Recent evidence indicates that metformin therapy may be associated with a
decreased colorectal adenoma/colorectal cancer risk in type 2 diabetes patients.
However, results are not consistent. We therefore performed a systematic review
and meta-analysis to assess the association between metformin therapy and risk of
colorectal adenomas/colorectal cancer in type 2 diabetes mellitus patients. We
searched the literature published before Aug 31, 2016 in four databases: PubMed,
Embase database, CNKI and VIP Library of Chinese Journal. Summary risk estimates
(adjusted OR/adjusted RR/adjusted HR) with their 95% confidence interval (95% CI)
were obtained using a random effects model. Twenty studies (including 12 cohort
studies, 7 case-control studies and 1 randomized controlled trial study) were
selected in terms of data of colorectal adenomas or colorectal cancer incidence.
Metformin therapy was found to be associated with a decreased incidence of
colorectal adenomas (unadjusted OR=0.80, 95% CI: 0.71-0.90, p=0.0002). When the
adjusted data were analyzed, the summary estimate decreased to 25% reduction in
colorectal adenomas risk (adjusted OR=0.75, 95% CI: 0.59-0.97, p=0.03). Besides,
a significant reduction of colorectal cancer risk was also observed (unadjusted
OR=0.73, 95% CI: 0.62-0.86, p=0.0002). And when the adjusted data were analyzed,
colorectal cancer risk for metformin users was decreased with a reduction of 22%,
compared with non-metformin users and other treatment users (adjusted OR=0.78,
95% CI: 0.70-0.87, p<0.00001). Our meta-analysis suggested that metformin therapy
may be associated with a decreased risk of colorectal adenomas and colorectal
cancer in type 2 diabetes mellitus patients.
|Adenoma/*prevention & control
[MESH]
|Colorectal Neoplasms/*prevention & control
[MESH]