期刊
VASCULAR HEALTH AND RISK MANAGEMENT
卷 8, 期 -, 页码 255-264出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/VHRM.S28744
关键词
diabetes; modeling; exenatide; pioglitazone; insulin; cardiovascular risk
资金
- Amylin Pharmaceuticals, Inc
Background: Patients with type 2 diabetes (T2DM) are at risk of long-term vascular complications. In trials, exenatide once weekly (ExQW), a GLP-1R agonist, improved glycemia, weight, blood pressure (BP), and lipids in patients with T2DM. We simulated potential effects of ExQW on vascular complications, survival, and medical costs over 20 years versus standard therapies. Patients and methods: The Archimedes model was used to assess outcomes for similar to 25,000 virtual patients with T2DM (NHANES 1999-2006 [metformin +/- sulfonylureas, age 57 years, body mass index 33 kg/m(2), weight 94 kg, duration T2DM 9 years, hemoglobin A1c [A1C] 8.1%]). The effects of three treatment strategies were modeled and compared to moderate-adherence insulin therapy: advancement to high-adherence insulin at A1C >= 8% (treat to target A1C < 7%) and addition of pioglitazone (PIO) or ExQW from simulation start. ExQW effects on A1C, weight, BP, and lipids were modeled from clinical trial data. Costs, inflated to represent 2010 $US, were derived from Medicare data, Drugstore.com, and publications. As ExQW was investigational, we omitted ExQW, PIO, and insulin pharmacy costs. Results: By year 1, ExQW treatment decreased A1C (similar to 1.5%), weight (similar to 2 kg), and systolic BP (similar to 5 mmHg). PIO and high-adherence insulin decreased A1C by similar to 1%, increased weight, and did not affect systolic BP. After 20 years, A1C was similar to 7% with all strategies. ExQW decreased rates of cardiovascular and microvascular complications more than PIO or high-adherence insulin versus moderate-adherence insulin. Over 20 years, ExQW treatment resulted in increased quality-adjusted life-years (QALYs) of similar to 0.3 years/person and cost savings of $469/life-year versus moderate adherence insulin. For PIO or high-adherence insulin, QALYs were virtually unchanged, and costs/life-year versus moderate-adherence insulin increased by $69 and $87, respectively. Conclusions: This long-term simulation demonstrated that ExQW treatment may decrease rates of cardiovascular and some microvascular complications of T2DM. Increased QALYs, and decreased costs were also projected.
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