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  • Title: Effects of combination of aliskiren and pentoxyfylline on renal function in the rat remnant kidney model of chronic renal failure.
    Author: Soni HM, Patel PP, Patel S, Rath AC, Acharya A, Trivedi HD, Jain MR.
    Journal: Indian J Pharmacol; 2015; 47(1):80-5. PubMed ID: 25821316.
    Abstract:
    OBJECTIVES: The aim was to investigate the nephroprotective effect of combination of aliskiren (ASK), a direct renin inhibitor and pentoxifylline (PTX), inhibitor of tumor necrotic factor-alpha (TNF-alpha), in rat remnant kidney model of chronic kidney disease (CKD). MATERIALS AND METHODS: Nephrectomized (NPX) rats were treated with ASK (10 mg/kg, p.o.), PTX (100 mg/kg, p.o.), and combination of PTX + ASK once daily for 28 days. We have performed analysis of various renal injury parameters after 4 weeks of treatment. RESULTS: Treatment with PTX, ASK and combination showed significant improvement in urea, creatinine and total protein in plasma when compared with vehicle treated group in NPX rats. ASK and combination of PTX + ASK elicited significant reduction in blood pressure but PTX alone did not produce blood pressure reduction. ASK treatment showed significant elevation in TNF-alpha, whereas PTX and ASK + PTX showed significant reduction in TNF-alpha in plasma. Histopathologically, the extent of the kidney injury was similar in NPX + vehicle and NPX + ASK-treated rats. PTX and ASK + PTX-treated group showed lesser extent of kidney injury. There was good correlation of mRNA expression levels of kidney injury molecule-1 and bradykinin B1 receptor data with histopathological findings in kidney samples and elevated TNF-alpha levels in plasma. CONCLUSIONS: We conclude that combination of PTX + ASK may be better therapeutic intervention for nephroprotection in CKD patients.
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