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Sleeping beside herbs: a natural remedy for period pain?

NCT ID NCT07778849

Symptom relief Sponsor: Macao Polytechnic University 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
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 This study
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 Results may not be published yet.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
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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 21, 2026 · Last updated Aug 21, 2026

Summary

This trial tests whether sleeping next to a traditional Chinese herbal sachet—a cloth bag filled with a blend of 13 aromatic herbs—can reduce menstrual pain and improve anxiety and depression in female college students with primary dysmenorrhea (painful periods without an underlying disease). Eighty-two students will be randomly assigned to use either the herbal sachet or an identical-looking placebo sachet every night for 9 weeks. Researchers will measure changes in pain, menstrual symptoms, anxiety, and depression before and after the intervention to see if the herbal aroma offers any benefit.

What this could mean

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

Active substance
A traditional Chinese herbal sachet containing a blend of 13 aromatic herbs, inhaled during sleep
What this could lead to
If effective, this could offer a simple, drug-free option to ease menstrual pain and related mood symptoms in young women.
What could go wrong
This is a small, early-stage trial, and the placebo effect may be strong. The herbal blend's effects are unproven, and individual responses may vary.

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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

82 people

The number who actually took part.

Started

Nov 2023

Finished

Mar 2024

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 25 years

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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 student enrolled at Sichuan Nursing Vocational College * Aged 18-25 years, unmarried and nulliparous * Meets Western and traditional Chinese medicine diagnostic criteria for primary dysmenorrhea * History of primary dysmenorrhea for more than 6 months, with pain in 3 consecutive menstrual cycles * Menstrual symptom score greater than 8, moderate or severe dysmenorrhea (VAS at least 3) * Regular menstrual cycle * No sedative, analgesic or hormonal medication in the week before enrolment, and willing not to take interfering medication during the study * Voluntary participation with signed informed consent Exclusion Criteria: * Gynaecological disease (secondary dysmenorrhea) or irregular menstrual cycle * Planning pregnancy * Other serious physical or psychiatric illness (e.g., autoimmune disease, cancer, heart disease), or conditions requiring surgery * Currently participating in another clinical trial * Unable to complete the study period

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Conditions

The condition(s) this trial relates to.

Dysmenorrhea primary dysmenorrhea Respiratory Aspiration

As listed by the trial registrant

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

Primary dysmenorrhea

Contacts and locations

Locations

  • ichuan Nursing Vocational College

    Chengdu, Sichuan, China

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