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Scientists hunt for narcolepsy clues in body fluids

NCT ID NCT06279247

Knowledge-focused Sponsor: Qilu Hospital of Shandong University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at proteins and metabolites in the body fluids of 60 people with narcolepsy, a rare sleep disorder. The goal is to find biological markers that could explain what causes the condition and help doctors diagnose it more accurately. Participants provide samples for analysis, and no treatment is being tested.

What this could mean

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

What this could lead to
If successful, this research could identify biological markers that help doctors diagnose narcolepsy more accurately and understand its underlying causes.
What could go wrong
This is an early observational study with only 60 participants, so findings may not apply to everyone with narcolepsy. It is designed to gather knowledge, not to test a treatment.

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 60 people

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

Started

Sep 2022

Expected to finish

Aug 2027

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

Patients with narcolepsy

Ages

5 to 100 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 * All patients met the diagnostic criteria of the International Classification of Sleep Disorders, Third edition (ICSD-3). Exclusion Criteria * primary hypersomnia or hypersomnia due to shift work, sleep deprivation and other sleep rhythm disturbances; * excessive sleep due to drug abuse; * suffering from Parkinson's disease, Alzheimer's disease and other nervous system diseases and mental diseases; * complicated with heart, lung, liver, kidney, blood endocrine system and other basic diseases, or acute chronic infection in a short period of time; * Use of sedatives, hypnotics, antidepressants, lithium and dopamine receptor antagonists for two weeks before examination; * patients who cannot cooperate with PSG and MSLT due to various factors.

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Conditions

The condition(s) this trial relates to.

narcolepsy

As listed by the trial registrant

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

Narcolepsy

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

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

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Qilu Hospital of Shandong University

    RECRUITING

    Jinan, Shandong, 250012, China

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