Notes
The updated Summary of Product Characteristics for Glucophage now states that "Metformin may be used in patients with moderate renal impairment, stage 3a (creatinine clearance [CrCl] 45-59 mL/min or estimated glomerular filtration rate [eGFR] 45-59 mL/min/1.73 m 2) only in the absence of other conditions that may increase the risk of lactic acidosis" and also that "If CrCl or eGFR fall <45 mL/min or <45 mL/min/1.73 m 2 respectively, metformin must be discontinued immedia tely".
Reference
Chowdhury TA, et al. Using metformin in the presence of renal disease. BMJ 350: [2 pages], 14 Apr 2015. Available from: URL: http://dx.doi.org/10.1136/bmj.h1758
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Metformin in patients with renal disease: restrictive guidelines?. Reactions Weekly 1548, 7 (2015). https://doi.org/10.1007/s40278-015-9830-7
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DOI: https://doi.org/10.1007/s40278-015-9830-7