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Blood test may replace pee diaries for bedwetting diagnosis

NCT ID NCT07496541

Diagnosis Sponsor: The Children's Hospital of Zhejiang University School of Medicine Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
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Paused for now. It may or may not start again.
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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 Results may not be published yet.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)

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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

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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether a blood test for a substance called copeptin can help doctors diagnose and classify bedwetting in children aged 5-18. Currently, diagnosis relies on a detailed urine diary, which is inconvenient and error-prone. The researchers will compare copeptin levels in 180 children with bedwetting and healthy volunteers to see if it can serve as a simpler, objective tool.

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.

Participants

About 180 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Jan 2029

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.

Who is studied

Primary monosymptomatic nocturnal enuresis

Ages

5 to 18 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: * 1.Age 5-18 years old. 2. No treatment has been received within 1 month prior to the trial. 3. Able to complete a 7-night urine diary and relevant research questionnaires for 2 days. 4. Guardians and the child themselves have agreed to participate in the study and have signed the informed consent form. 5. Meet the diagnostic criteria for PMNE as defined in the 2025 nocturnal enuresis guidelines: Age ≥ 5 years old, at least 1 episode of involuntary nocturnal urination per month for more than 3 months, without daytime lower urinary tract symptoms and organic urinary system disorders. Exclusion Criteria: * 1\. Patients under the age of 5; 2. Patients with daytime lower urinary tract symptoms or history of bladder dysfunction; 3. Patients with secondary nocturnal enuresis who have experienced at least 6 months of dry bed period; 4. Patients with chronic diseases.

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Conditions

The condition(s) this trial relates to.

diabetes insipidus nocturnal enuresis

As listed by the trial registrant

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

Copeptin Primary monosymptomatic nocturnal enuresis

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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More trials for these conditions

Other studies related to the condition(s) this trial covers.