The Primary Glucose-Lowering Effect of Metformin Resides in the Gut, Not the Circulation: Results From Short-term Pharmacokinetic and 12-Week Dose-Ranging Studies
Author(s) -
John B. Buse,
Ralph A. DeFronzo,
Julio Rosenstock,
Terri Kim,
Colleen Burns,
Sharon Skare,
Alain Baron,
Mark Fineman
Publication year - 2015
Publication title -
diabetes care
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.636
H-Index - 363
eISSN - 1935-5548
pISSN - 0149-5992
DOI - 10.2337/dc15-0488
Subject(s) - metformin , medicine , placebo , glycemic , pharmacokinetics , crossover study , type 2 diabetes , adverse effect , bioavailability , tolerability , diabetes mellitus , cmax , randomized controlled trial , gastroenterology , pharmacology , endocrinology , insulin , alternative medicine , pathology
Delayed-release metformin (Met DR) is formulated to deliver the drug to the lower bowel to leverage the gut-based mechanisms of metformin action with lower plasma exposure. Met DR was assessed in two studies. Study 1 compared the bioavailability of single daily doses of Met DR to currently available immediate-release metformin (Met IR) and extended-release metformin (Met XR) in otherwise healthy volunteers. Study 2 assessed glycemic control in subjects with type 2 diabetes (T2DM) over 12 weeks.
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