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  • Title: [Health economic consequences of the use of irbesartan in patients in Germany with type 2 diabetes, nephropathy and hypertension].
    Author: Palmer AJ, Annemans L, Roze S, Lamotte M, Rodby RA, Ritz E.
    Journal: Dtsch Med Wochenschr; 2004 Jan 02; 129(1-2):13-8. PubMed ID: 14703575.
    Abstract:
    BACKGROUND AND AIMS: The "Irbesartan in Diabetic Nephropathy Trial" (IDNT), demonstrated a reduction in the combined endpoint of doubling of serum creatinine, end-stage renal disease (ESRD) or death compared to control or amlodipine arms in patients with hypertension, type 2 diabetes and overt nephropathy when treated with irbesartan. Aim of this study is to compare long-term consequences in costs and outcomes of IDNT treatment alternatives from the German health care system's perspective. METHODS: A Markov model simulated progression from overt nephropathy to doubling of serum creatinine, end-stage renal disease, and death in patients with hypertension, type 2 diabetes and overt nephropathy for the three treatment arms. Treatment-specific probabilities were derived from IDNT. German-specific ESRD-related data were retrieved from published sources to reflect local management practices, ESRD outcomes and costs. A time horizon of 10 years was used. Delay in onset of ESRD and mean costs per patient were calculated. Future costs were discounted at 5 % per annum. RESULTS: The cumulative incidence of ESRD after 10 years with irbesartan (36 %) is lower compared to amlodipine (49 %) or control (45 %). Irbesartan leads to cost savings of 14 424 EUR and 8 720 EUR per patient versus amlodipine or control respectively. CONCLUSION: Treating patients with hypertension, type 2 diabetes and nephropathy using irbesartan lowers the cumulative incidence of ESRD and is cost-saving compared to amlodipine or control.
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