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A Blue-Green algae could ease menopause symptoms — a trial puts it to the test

NCT ID NCT07718399

Symptom relief Sponsor: Halic University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

This trial tests whether taking 2 grams of spirulina daily for 8 weeks can improve metabolic health, body composition, sleep quality, and mood in mildly overweight postmenopausal women. Researchers will measure changes in blood sugar, cholesterol, weight, waist size, depression scores, and sleep quality. The goal is to see if this natural supplement can ease some of the common challenges of menopause.

What this could mean

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

Active substance
spirulina (a blue-green algae dietary supplement)
What this could lead to
If it works, spirulina could offer a natural option to help manage weight, blood sugar, sleep, and mood during menopause.
What could go wrong
This is a small, short-term trial (66 women, 8 weeks). Results may not apply broadly, and supplements are not regulated like drugs.

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 66 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jun 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

45 to 65 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: * Volunteering to participate in the study * Having a body mass index (BMI) between 25 and 29.9 kg/m² * Having no chronic illnesses * Being between the ages of 45 and 65 * Being postmenopausal * Willing to consume the provided supplement * Individuals who can read and write in Turkish and are open to communication. Exclusion Criteria: * Having a chronic condition such as diabetes, hypertension, cancer, metabolic syndrome, chronic kidney disease, dyslipidemia, etc. * Having a congenital metabolic disorder * Being in the experimental group but not taking the supplement regularly * Taking medication to lower blood lipids * Having an allergy to any food * Not being in the postmenopausal period

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Conditions

The condition(s) this trial relates to.

Depression insomnia Overweight

As listed by the trial registrant

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

Overweight Postmenopause

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

  • Haliç University Faculty of Health Sciences

    Istanbul, eyüpsultan, 34060, Turkey (Türkiye)

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