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Could a simple urine test replace blood draws for electrolyte monitoring?

NCT ID NCT07704450

Knowledge-focused Sponsor: Westlake University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 15, 2026 · Last updated Aug 28, 2026 · Updated 3 times

Summary

This study tests a prototype device that measures electrolytes like sodium and potassium in urine. Healthy adults aged 18 to 60 will provide urine samples after eating different standardized meals (such as high-fruit or nut diets) and during their normal daily life. The goal is to see if the device can produce complete and accurate readings without errors, which could pave the way for at-home health monitoring.

What this could mean

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

Active substance
a prototype urinary electrolyte monitoring device and standardized diets (fruit, nut, calcium supplement, DASH diet)
What this could lead to
If the device works reliably, it could lead to a simple, non-invasive way to track electrolyte levels at home, helping people manage their diet and health.
What could go wrong
This is a small, early feasibility study with only 40 healthy adults, so the device may not work as well in real-world conditions or in people with health issues.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2026

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged between 18- and 60-year-old * Willing to join and complete the study Exclusion Criteria: * Medical conditions, such as liver, kidney, gastrointestinal, or systemic diseases; * Drug taking or use within two weeks; * Pregnant women; * Lack of access to a smartphone

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As listed by the trial registrant

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

Healthy

Contacts and locations

Locations

  • Westlake University

    Hangzhou, Zhejiang, China

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