Empagliflozin is an inhibitor of sodium-glucose co-transporter-2 (SGLT2), the transporters primarily responsible for the reabsorption of glucose in the kidney.[A203453] It is used clinically as an adjunct to diet and exercise, often in combination with other drug therapies,[L13673,L13679,L11479] for the management of type 2 diabetes mellitus.[L13688] The first known inhibitor of SGLTs, phlorizin, was isolated from the bark of apple trees in 1835 and researched extensively into the 20th century, but was ultimately deemed inappropriate for clinical use given its lack of specificity and significant gastrointestinal side effects.[A203501] Attempts at overcoming these limitations first saw the development of O-glucoside analogs of phlorizin (e.g. [remogliflozin etabonate]), but these molecules proved relatively pharmacokinetically unstable. The development of C-glucoside phlorizin analogs remedied the issues observed in the previous generation, and led to the FDA approval of [canagliflozin] in 2013 and both [dapagliflozin] and empagliflozin in 2014.[A203501] As the most recently approved of the "flozin" drugs, empagliflozin carries the highest selectivity for SGLT2 over SGLT1 (approximately 2700-fold). Empagliflozin was further approved by the EMA in March 2022 and Health Canada in April 2022, making it the first and only approved treatment in Europe and Canada for adults with symptomatic chronic heart failure regardless of ejection fraction.[L40783,L13916]
Empagliflozin is indicated as an adjunct to diet and exercise to improve glycemic control in patients aged 10 years and older with type 2 diabetes. It is used either alone or in combination with [metformin] or [linagliptin].[L13679, L13673, L13688, L49449] It is also indicated to reduce the risk of cardiovascular death in adult patients with both type 2 diabetes mellitus and established cardiovascular disease, either alone or as a combination product with metformin.[L13688, L40778] An extended-release combination product containing empagliflozin, metformin, and linagliptin was approved by the FDA in January 2020 for the improvement of glycemic control in adults with type 2 diabetes mellitus when used adjunctively with diet and exercise.[L11479] Empagliflozin is also approved to reduce the risk of cardiovascular mortality and hospitalization due to heart failure in adult patients with heart failure, either alone or in combination with metformin.[L13688, L45578] It is also indicated in adults to reduce the risk of sustained decline in eGFR, end-stage kidney disease, cardiovascular death, and hospitalization in adults with chronic kidney disease at risk of progression.[L40778, L48255] Empagliflozin is not approved for use in patients with type 1 diabetes.
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