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Artículo | IMSEAR | ID: sea-200907

RESUMEN

Background: This is a comparative study of a 6 year retrospective analysis of the therapeutic efficacy and safety of Combined Aliskiren (150 mg a day) and Losartan (100 mg a day) in a Clinical Trial setting versus a Usual Care group of patients on Losartan (100 mg a day), Telmisartan (80 mg a day) and Combined Enalapril (10 mg a day) plus Losartan (100mg a day) in non-Diabetic Chronic Kidney Disease (CKD) patients. The objective of this study was to ascertain if there were any differences in the renal outcome of patients treated within a Clinical Trial setting versus a Usual Care setting. The study seeks to establish the relevance of having a Usual Care group as a comparator and whether its inclusion in the study would help to validate the findings in the Clinical Trial group Methods: This is a 2nd Phase follow up study three years after the initial 1st Phase study in the Clinical Trial Group. Patients in the 2nd Phase study were those who continued to have proteinuria and were treated with Losartan 100mg a day. The 2nd Phase study seeks to document the incidence of remission of proteinuria following their initial 1st Phase therapy for proteinuria compared to those in the Usual Care group where treatment remained unchanged from year 1 to end of year 6. The rates of remission of proteinuria and improvement of renal function as well as associated comorbidities between the 2 groups are compared. Results: Among the 154 patients in the Clinical Trial Group, 70/154 (45%) continued to have proteinuria, while 84/154 (55%) had no proteinuria (remission) compared to 41 (28%) in remission and 104 (72%) with continued proteinuria in the Usual Care group (p<0.001). There were more patients with hypertension and yperkalaemia in the Clinical Trial group compared to the Usual Care group. Seven patients were in ESRF in the Usual Care group compared to only 3 in the Clinical Trial group but this difference was not significant. More patients in the Clinical Trial group compared to the Usual Care group had improvement in eGFR at the end of the 6 years (p<0.001). Conclusions: This study shows that patients in a Clinical Trial setting do better than those in the Usual Care setting as they are more likely to have improvement in renal function with remission of proteinuria.

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