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Can a Seed-Powered band ease menstrual cramps?

NCT ID NCT07794995

Symptom relief Sponsor: China Medical University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 31, 2026 · Last updated Sep 01, 2026 · Updated 1 time

Summary

This trial tests whether an acupressure band with vaccaria seeds, worn on the lower leg, can reduce menstrual pain in college students with primary dysmenorrhea. Thirty participants will be randomly assigned to either the active band or a control band without seeds, and they will use it at home over three menstrual cycles. Researchers will measure pain intensity, menstrual symptoms, and heart rate variability to see if the band offers relief.

What this could mean

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

Active substance
An adjustable compression band with vaccaria seeds applied to the Sanyinjiao (SP6) acupoint
What this could lead to
If it works, this could offer a drug-free, self-administered option for managing menstrual cramps, potentially reducing missed school and work days.
What could go wrong
This is a small, early trial with only 30 participants, so results may not apply broadly. The band's benefit over a placebo is uncertain, and it may not relieve pain for everyone.

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 30 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

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.

Ages

20 to 24 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 university students aged 20 to 24 years. * Diagnosed with primary dysmenorrhea and having a Visual Analog Scale (VAS) pain score of 3 or higher. * Regular menstrual cycles ranging from 21 to 35 days. * Menstrual duration ranging from 4 to 10 days. Exclusion Criteria: * Known history of secondary dysmenorrhea, including endometriosis or uterine fibroids. * Chronic medical disease or psychiatric disease. * Current smoking. * Pregnancy. * Long-term use of oral contraceptives or presence of an intrauterine device. * Significant lower-extremity pitting edema, abnormal lower-extremity circulation, marked swelling, skin damage, infection, sensory abnormalities, or other conditions considered unsuitable for wearing the acupressure band by the research staff.

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Conditions

The condition(s) this trial relates to.

primary dysmenorrhea

As listed by the trial registrant

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

Primary dysmenorrhea (PD)

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

  • China Medical University Hospital

    RECRUITING

    Taichung, Taichung City, 404327, Taiwan

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