Effect of Oxalate and Urate Metabolism on CKD Evolution

  • STATUS
    Recruiting
  • participants needed
    250
  • sponsor
    The Institute of Nephrology of the Academy of Medical Sciences of Ukraine
Updated on 19 February 2024
antibiotics
dialysis
chronic kidney disease
Uric Acid Test
oxalate
hyperuricemia
chronic kidney disease, stage 1

Summary

The current study primarily aimed to characterize the oxalate and uric acid metabolism in CKD patients and to analyze its association with renal survival prognosis. Secondarily, the study is planned to determine whether hyperoxalemia and hyperuricemia are independent risk factors for cardiovascular events and mortality.

Description

The study protocol is approved by a local Ethics Committee and registered in Domestic Clinical Trial Registry (Identifier 0119U000002). Writing informed consent is obtained from all subjects participating in the study.

The study will enroll 300 participants (250 CKD patients at stage 1-5 and 50 healthy subjects). Routine biochemical parameters including blood and daily dialysate concentration of urea and creatinine, serum albumin, C-reactive protein (CRP), glucose, electrolytes, and lipid profile parameters will carry out. Total oxalate-degrading activity in fecal samples, as well as plasma oxalic acid concentration, daily urinary oxalate excretion and peritoneal dialysis effluent oxalate concentration (if any) will determine. Uric acid will also measure in serum, urine and dialysate of peritoneal dialysis patients.

The study will be followed up for 3 years. The primary endpoint is cardiovascular events, secondary endpoints are dialysis adequacy and all-cause mortality. All the endpoints will be collected, as well as other outcomes, such as chronic inflammation, dyslipidemia and dialysis dose, and so on. The outcomes will be analyzed using statistical software.

Details
Condition Hyperoxaluria, Chronic renal failure, Hyperuricemia, CKD
Age 18years - 85years
Clinical Study IdentifierNCT04399915
SponsorThe Institute of Nephrology of the Academy of Medical Sciences of Ukraine
Last Modified on19 February 2024

Eligibility

Yes No Not Sure

Inclusion Criteria

age >18 years old
CKD stage 1-4
the patients did not take antibiotics and/or probiotics, lipid- and/or urate-lowering therapy for at least past 3 months or
dialysis treatment for at least 3 months
a stable clinical condition and adequately functioning arteriovenous fistula or peritoneal access
a target level of Kt/V ( 1.4 for the HD patients and 1.7 for the PD patients)

Exclusion Criteria

hospitalization in the preceding 3 months
previous history or actual diagnosis of peritonitis, anemia, systemic and malignant diseases, acute inflammation processes, immunosuppressive treatment and active hepatitis
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