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Flaxseed extract studied for PMS relief in midlife women

NCT ID NCT07310485

Knowledge-focused Sponsor: University of Jordan 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
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 04, 2026 · Updated 1 time

Summary

This study looks at whether a flaxseed supplement (a type of phytoestrogen) can change how certain genes work and ease premenstrual syndrome (PMS) in women aged 40-55 who are near menopause. About 70 healthy women in Jordan will take either the supplement or a placebo for 12 weeks. The goal is to learn more about how plant compounds might affect hormone-related symptoms and ovarian aging.

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 50 people

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

Started

Nov 2025

Expected to finish

Aug 2026

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

40 to 55 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: * Jordanian women aged 40-55 years * Regular menstrual cycles during the 90 days preceding enrollment * Body mass index between 19.0 and 29.9 kg/m² * Apparently healthy Exclusion Criteria: * Pregnancy or lactation * Current use of hormone replacement therapy or hormonal contraceptives * Diagnosis of a chronic metabolic, cardiovascular, hepatic, renal, autoimmune, or malignant disease * History of gynecological disorders or gynecological surgery * Use of dietary supplements or adherence to a special diet during the 90 days preceding enrollment * Habitual consumption of flaxseed or use of phytoestrogen supplements * Active bowel disease or malabsorption syndrome

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Conditions

The condition(s) this trial relates to.

premenstrual tension

As listed by the trial registrant

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

Apparently healthy and not receiving hormonal therapy

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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 university of Jordan

    Amman, Amman Governorate, 11942, Jordan

More trials for these conditions

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