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Royal jelly supplement tested for boosting fertility in women

NCT ID NCT07246733

Disease control Sponsor: The Fourth Affiliated Hospital of Zhejiang University School of Medicine 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a dietary supplement made from royal jelly (MRJPs) can improve ovarian function and the thickness of the uterine lining in women with diminished ovarian reserve or thin endometrium. Sixty-six women aged 20 to 45 will take either the supplement or a placebo for one menstrual cycle. Researchers will measure hormone levels and use ultrasound to check for changes.

What this could mean

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

Active substance
MRJPs (royal jelly tablets)
What this could lead to
If it works, this could point toward a dietary supplement to support fertility in women with low ovarian reserve or thin uterine lining.
What could go wrong
This is a small early-phase trial with only 66 participants, so results may not apply widely. The supplement is not a proven treatment and may have no effect.

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.

Started

Jul 2025

Expected to finish

Jul 2028

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 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: * Fertile women, aged 20 to 45 years old, with regular and normal menstrual cycles. Exclusion Criteria: * ① Allergic to royal jelly or its components; ② Suffering from severe chronic diseases or endocrine system disorders; ③ Pregnant or breastfeeding; ④ Undergoing hormone replacement therapy (HRT) within the last month

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Conditions

The condition(s) this trial relates to.

ovarian dysfunction

As listed by the trial registrant

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

Diminished ovarian reserve (DOR) Thin endometrium

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

  • The Fourth Affiliated Hospital of Zhejiang University School of Medicine

    RECRUITING

    Yiwu, Zhejiang, 322000, China

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