Texts and gadgets aim to keep kidney stones away

NCT ID NCT05196113

Completed Prevention Sponsor: University of Michigan Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether digital tools like a smart water bottle, a fitness watch, and text reminders could help people with a history of kidney stones drink more water as their doctor recommended. 216 adults who had a kidney stone in the past 5 years and drank less than 2 liters of urine per day took part. The goal was to see if these tools could increase their urine output and reduce the risk of forming new stones.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: behavioural intervention (digital tools and text reminders to increase fluid intake)
What this could lead to: If successful, this approach could offer a simple, low-cost way to help prevent kidney stones from coming back.
What could go wrong: This is a small, completed feasibility study. The tools may not work for everyone, and long-term adherence outside a study setting is uncertain.

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Conditions

The condition(s) this trial relates to.

urolithiasis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

UROLITHIASIS

Contacts and locations

Locations

Penn State Hershey Medical Center

Hershey, Pennsylvania, 17033, United States
University of Michigan

Ann Arbor, Michigan, 48109, United States

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