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Hydration Intervention Did Not Reduce Stone Recurrence

A behavioral strategy modestly increased urine volume but did not lower symptomatic events over 2 years.

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A randomized clinical trial investigated the efficacy of a multicomponent behavioral intervention aimed at increasing fluid intake to prevent recurrent symptomatic kidney stones. Involving 1,658 participants aged 12 and older, the study compared the intervention group, which received a Bluetooth-enabled smart water bottle, health coaching, and financial incentives, against a usual care group. Findings revealed no significant reduction in stone recurrence after two years, despite the intervention group achieving greater urine volume. Notably, asymptomatic hyponatremia was rare and both groups showed a similar rate of stone events.

Original Source(s)

Hydration Intervention Did Not Reduce Stone Recurrence

  • by Kathryn Wighton

  • March 27, 2026

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