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Rapid and simple high-performance liquid chromatographic assay for the determination of metformin in human plasma and breast milk.
Department of Clinical Pharmacology, Christchurch Hospital, New Zealand. mei.zhang@cdhb.govt.nz
A rapid and simple high-performance liquid chromatographic (HPLC) assay for the determination of metformin in human plasma and breast milk is described. After proteins were precipitated with acetonitrile, metformin and the internal standard buformin were resolved on a cation-exchange column and detected by UV detection at 236 nm. Standard curves were linear over the concentration range 20.0-4000 microg/l. Intra- and inter-day coefficients of variation were <9.0% and the limit of quantification was around 20 microg/l.
PMID: 11824394 [PubMed - indexed for MEDLINE]
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Patient Drug Information
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Metformin (Fortamet® , Glucophage® , Glucophage® XR, ...)
Metformin is used alone or with other medications, including insulin, to treat type 2 diabetes (condition in which the body does not use insulin normally and, therefore, cannot control the amount of sugar in the blood) ....
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Glipizide (Metaglip, Glucovance, Avandamet, ...)
In patients with diabetes or hyperlipidemia, how do combination drugs compare in improving long-term health?