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Clinical Trial Summary

The purpose of this study is to assess whether certain beverages can increase urinary citrate levels in healthy individuals with no history of kidney disease.


Clinical Trial Description

Higher urinary citrate levels have been shown to decrease one's risk of developing kidney stones. The study will compare apple cider vinegar, coconut water, diet citric soda and lemonade and determine which is superior at raising citrate levels. Research participants will consume two of the four drinks, each for 7 day periods, according to a prescribed regimen. Throughout the course of the study, participants will periodically provide blood draws for metabolic panels, as well as 24-hour urine samples to measure citrate levels. There will be 12 study arms, accounting for the permutations of two drinks for each patients out of four possibilities. 3 participants per arm is the goal, for a total of 36, but the recruitment aim is 50 participants, to account for dropout and noncompliance. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04073719
Study type Interventional
Source United States Naval Medical Center, San Diego
Contact Christine M Herfroth, MD
Phone 6195327227
Email christine.m.herforth.mil@mail.mil
Status Not yet recruiting
Phase N/A
Start date September 1, 2019
Completion date May 31, 2022