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Febuxostat Versus Allopurinol or Placebo in Patients With Hyperuricosuria and Calcium Oxalate Stones

Kidney Stones Clinical Trial

Official title:
A Multicenter, Randomized, Double-Blind, Placebo and Allopurinol Controlled, Phase 2 Study to Evaluate Febuxostat in the Medical Management of Subjects With Hyperuricosuria and Calcium Oxalate Stones

Clinical Trial Summary

The purpose of this study is to determine the efficacy of febuxostat, once daily (QD), compared to allopurinol or placebo in patients with excessive amounts of uric acid in their urine and who have recently had kidney stones.

Clinical Trial Description

Nephrolithiasis, also called kidney stone disease, occurs in patients with genetic susceptibility and who may have a broad spectrum of metabolic disorders and other comorbid conditions (for example obesity or diabetes). These renal stones develop as a result of supersaturation. Calcium oxalate (CaOx) is the most common type of stone. Reducing the urinary excretion of uric acid is an established approach for the treatment of CaOx kidney stones.

The objective of this study is to evaluate treatment with febuxostat compared to allopurinol or placebo in the reduction of 24-hour urine uric acid (uUA) excretion levels in hyperuricosuric patients with a recent history of renal stones and the presence of at least one CaOx stone larger than or equal to 3 mm as seen on Multidetector Computed Tomographic Angiography (MDCT).

Participants in this study will be required to make 4 office visits provide 3 urine samples and undergo 2 MDCT scans (a type of x-ray) of their kidneys. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01077284
Study type Interventional
Source Takeda
Contact
Status Completed
Phase Phase 2
Start date February 2010
Completion date November 2011
View Details
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