Smart water bottle trial aims to flush away kidney stones
NCT ID NCT03244189
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether a program to help people drink more water could prevent kidney stones from coming back. Over 1,600 adults and children who had a kidney stone in the past used a smart water bottle to track their intake, with some getting financial rewards for meeting their goals. The main goal was to see if this approach reduced the number of new stone events over two years.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- increased fluid intake (water) via a smart water bottle, with financial incentives and problem-solving support
- What this could lead to
- If it works, this could offer a simple, drug-free way to prevent painful kidney stones from returning.
- What could go wrong
- The trial is completed, but results may show only a modest benefit. Drinking more water is safe, but some people may find it hard to stick with the program long-term.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Children's Hospital
Dallas, Texas, 75390, United States
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Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, 19146, United States
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Cleveland Clinic
Cleveland, Ohio, 44195, United States
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Mayo Clinic
Rochester, Minnesota, 55905, United States
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University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
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University of Texas Southwestern
Dallas, Texas, 75390, United States
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University of Washington
Seattle, Washington, 98195, United States
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Washington University, St. Louis
St Louis, Missouri, 63110, United States
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