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Published on: February 9, 2021

Thiazide does not affect urine oxalate excretion

Joan H Parks1, Frederic L Coe

  • 1Nephrology Section, University of Chicago, Illinois 60637, USA.

The Journal of Urology
|July 11, 2003
PubMed

Insights

Thiazide treatment did not alter urine oxalate excretion in kidney stone patients. This study found no significant difference in oxalate levels with or without thiazide medication.

Area of Science:

  • Nephrology
  • Urology
  • Pharmacology

Background:

  • Kidney stones are a common condition often managed with medication.
  • Thiazide diuretics are frequently prescribed for kidney stone prevention.
  • The impact of thiazides on urine oxalate excretion requires clarification.

Purpose of the Study:

  • To evaluate the effect of thiazide treatment on urinary oxalate levels.
  • To determine if thiazides influence oxalate excretion in patients with kidney stones.

Main Methods:

  • Observational cohort study of 537 kidney stone patients.
  • 209 patients received thiazide treatment for stone prevention.
  • Urine oxalate measured before and after 6-12 weeks of thiazide treatment.

Main Results:

  • Overall, urine oxalate excretion increased in the patient cohort.
  • No significant difference in urine oxalate increase was observed between patients treated with thiazides and those not.
  • Statistical analysis (t-tests, ANOVA) confirmed no thiazide effect on oxalate levels.

Conclusions:

  • Thiazide administration does not appear to have a measurable effect on urine oxalate excretion in clinical practice.
  • This finding suggests thiazides may not influence kidney stone formation through oxalate excretion changes.
Abstract

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