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Ancient remedy meets modern prebiotic: a new hope for Shift-Worker fatigue?

NCT ID NCT07774897

Symptom relief Sponsor: Hepatopancreatobiliary Surgery Institute of Gansu Province Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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.
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 19, 2026 · Last updated Aug 20, 2026 · Updated 1 time

Summary

This trial is testing whether a combination of Bao Yuan Tang, a traditional Chinese medicine extract, and galactooligosaccharides, a type of prebiotic, can improve sleep quality, reduce fatigue, and support better metabolism in female nurses who work night shifts. The study will include 400 nurses aged 25-45 who report sleep issues or fatigue. Participants will take the supplement twice daily for three weeks, and researchers will measure changes in sleep quality, stress hormones, and blood lipid levels.

What this could mean

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

Active substance
Bao Yuan Tang full-component extract combined with galactooligosaccharides
What this could lead to
If effective, this combination could offer a natural, non-drug option to help shift-working nurses sleep better, feel less fatigued, and improve metabolic health.
What could go wrong
This is an early-stage trial, and the benefits are not guaranteed. The effects may be modest, and individual responses could vary. As a dietary supplement, it is not a substitute for medical 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.

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 400 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Sep 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.

Ages

25 to 45 years

Sex

Female participants only

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: * Female registered nurses aged 25-45 years. * Participants must meet at least one of the following criteria, self-reported presence of at least one target symptom of the trial, including insomnia, daytime fatigue, or difficulty initiating sleep or Pittsburgh Sleep Quality Index (PSQI) score \>7. * Engagement in shift work for at least one month before enrollment, with either ≥ 4 night shifts or ≥32 hours of night-shift work during the preceding month. Exclusion Criteria: * Diagnosed with type 1 or type 2 diabetes mellitus and currently receiving pharmacological treatment. * Diagnosed with clinically thyroid dysfunction, including hyperthyroidism or hypothyroidism, and currently receiving pharmacological treatment. * Diagnosed with Cushing's syndrome, pituitary dysfunction, or other clearly defined endocrine disorders. * Diagnosed with polycystic ovary syndrome (PCOS) and currently receiving pharmacological treatment. * Use of medications that may affect study outcomes, including oral contraceptives, glucose-lowering agents, hormonal medications, hypnotics, lipid-regulating agents, or thyroid hormone preparations, within the past 3 months. * Pregnancy, lactation, or planned pregnancy during the study period. * Confirmed severe organic diseases, such as hepatic or renal insufficiency, cardiovascular disease, or malignancy. * Known allergy to any component of the investigational product. * Use of probiotics, prebiotics, or related traditional Chinese medicine preparations within the past 1 month. * Participation in another clinical trial within the past 3 months. * Planned engagement in vigorous exercise or a weight-management program during the study period. * A previous diagnosis of psychiatric disorders, such as anxiety or depression. * Any condition judged by the investigator to involve communication difficulties, poor compliance, or potential interference with adherence to the study protocol.

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Conditions

The condition(s) this trial relates to.

endocrine system disorder glucose metabolism disease inherited lipid metabolism disorder insomnia Lipid Metabolism Disorders myalgic encephalomeyelitis/chronic fatigue syndrome Parasomnias sleep disorder

As listed by the trial registrant

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

Endocrine disorder Fatigue syndrome, chronic Glucose metabolism disorder Lipid metabolism disorders Sleep disturbance

How to take part

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

  1. The places running it

    6 sites. 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

  • The First Hospital of Lanzhou University

    Lanzhou, Gansu, 730000, China

  • The First People's Hospital of Yunnan Province

    Kunming, Yunnan, 650832, China

  • The Fourth Affiliated Hospital of Hebei University of Traditional Chinese Medicine

    Shijiazhuang, Hebei, 050031, China

  • The Second Hospital & Clinical Medical School, Lanzhou University

    Lanzhou, Gansu, 730030, China

  • The Seventh Affiliated Hospital of Xinjiang Medical University

    Ürümqi, Xinjiang, 830028, China

  • Xiangyang Central Hospital

    Xiangyang, Hubei, 441000, China

More trials for these conditions

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