Linagliptin (Tradjenta) for the Treatment of Diabetes Mellitus KAREN WHALEN, Pharmd, BCPS, CDE, and KAREN R
STEPS New Drug Reviews Linagliptin (Tradjenta) for the Treatment of Diabetes Mellitus KAREN WHALEN, PharmD, BCPS, CDE, and KAREN R. SANDO, PharmD, CDE University of Florida College of Pharmacy, Gainesville, Florida STEPS new drug reviews Linagliptin (Tradjenta) is a dipeptidyl-peptidase-4 (DPP-4) inhibitor labeled for the treat- cover Safety, Tolerability, ment of type 2 diabetes mellitus. Similar to sitagliptin (Januvia) and saxagliptin (Onglyza), Effectiveness, Price, and Simplicity. Each indepen- linagliptin delays the breakdown of endogenous incretin hormones such as glucagon-like dent review is provided peptide 1 and glucose-dependent insulinotropic polypeptide. These hormones, when secreted by authors who have no in response to food intake, stimulate postmeal insulin secretion, inhibit glucagon release, financial association with improve satiety, and slow gastric emptying.1,2 Linagliptin can be used alone or in combination the drug manufacturer. with metformin (Glucophage), sulfonylureas, pioglitazone (Actos), or insulin. The series coordinator for AFP is Allen F. Shaugh- nessy, PharmD, Tufts Drug Dosage Dose form Cost* University Family Medicine Residency Program at Linagliptin (Tradjenta) 5 mg daily 5-mg tablet $254 for 30 tablets Cambridge Health Alli- ance, Malden, Mass. *—Estimated retail price of one month’s treatment based on information obtained at http://www.goodrx.com A collection of STEPS pub- (accessed October 1, 2012). lished in AFP is available at http://www.aafp.org/ afp/steps. SAFETY control should be used in patients receiving Few severe adverse effects have been associ- strong inducers of cytochrome P450 3A4 ated with linagliptin. When used alone or or P-glycoprotein, such as rifampin. Lina- with metformin or pioglitazone, linagliptin gliptin is a U.S.
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