Status:

COMPLETED

Pathogenesis of Uric Acid Nephrolithiasis: Role of Pioglitazone/Weight Loss

Lead Sponsor:

University of Texas Southwestern Medical Center

Conditions:

Nephrolithiasis, Uric Acid

Eligibility:

All Genders

21-99 years

Phase:

PHASE4

Brief Summary

The investigators will randomize overweight and obese iuan patients to Pio (45 mg/day, highest approved dose or placebo), WL (10% of body weight, following the established program used in the Diabetes...

Detailed Description

In IUAN patients, the investigator will compare 1. PPAR activation; 2. weight loss; or 3. combination; on urine acid-base parameters relevant to UA stone risk. The investigator will assess the effect ...

Eligibility Criteria

Inclusion

  • Idiopathic uric acid nephrolithiasis, with last stone analysis showing that stone has \>90% uric acid in composition Age \>21 years Any gender, race/ethnicity (from weight loss), but weight \<165 Kg (to fit into MR instrument); eGFR\>60ml/min/1.73 m2

Exclusion

  • Bariatric surgery, chronic diarrhea, recurrent UTIs current insulin use use of a thiazolidinedione in past 2 years contraindication to thiazolidinedione use (liver dz, pedal edema, CHF NYHA class III/IV, no contraception) Bladder cancer Use of SGLT2-i, GLP-1 analogs, gemfibrozil, topiramate, rifampin Hba1c \> 8.5%

Key Trial Info

Start Date :

October 17 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 28 2025

Estimated Enrollment :

29 Patients enrolled

Trial Details

Trial ID

NCT04370093

Start Date

October 17 2019

End Date

May 28 2025

Last Update

September 9 2025

Active Locations (1)

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1

University of Texas Southwestern Medical Center

Dallas, Texas, United States, 75390-9107