Cost-effectiveness of administering oral adsorbent AST-120 to patients with diabetes and advance-stage chronic kidney disease

Yasuaki Hayashino, Shunichi Fukuhara, Tadao Akizawa, Yasushi Asano, Takafumi Wakita, Yoshihiro Onishi, Kiyoshi Kurokawa et al.
Diabetes Research and Clinical Practice 2010, 90 (2): 154-9

AIMS: AST-120, an oral adsorbent currently on-label only in Asian countries with phase III trials ongoing in the US, slows renal disease progression in patients with diabetes and advanced-stage chronic kidney disease (CKD). The objective of this study is to evaluate the cost-effectiveness of using AST-120 to treat patients with type 2 diabetes and advanced-stage CKD.

METHODS: We used Markov model simulating the progression of diabetic nephropathy. Data were obtained from randomized trials estimating the progression of diabetic nephropathy with and without AST-120, and published literature. The base population was patients 60 years of age with type 2 diabetes and Stages 3 and 4 CKD.

RESULTS: Treating patients with diabetes and advanced-stage CKD was found to be a dominant strategy, and quality of life improved further and more money was saved (0.22 quality-adjusted life years [QALYs] and $15,019 per patient) using AST-120 than the control strategy. Sensitivity analysis results were robust with regard to cost, adherence, and quality of life associated with AST-120 therapy, as well as age at diagnosis. The model was relatively sensitive to the effectiveness of AST-120.

CONCLUSIONS: Treating patients with type 2 diabetes and advanced-stage CKD with AST-120 appears to extend life and reduce costs.

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