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Fishy fix for fading memory? perch essence put to the test

NCT ID NCT07239635

Symptom relief Sponsor: Taipei Medical 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
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tested whether a daily drink of perch essence can improve cognitive function in people with mild cognitive impairment. Fifty-four adults aged 45 and older took either perch essence or a placebo fish stock twice a day for 24 weeks. Researchers measured changes in memory and thinking tests, along with blood markers and nutrition status.

What this could mean

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

Active substance
perch essence (dietary supplement)
What this could lead to
If it works, this could point toward a simple dietary supplement to help maintain or improve memory and thinking in people with mild cognitive impairment.
What could go wrong
This is a small, early-stage trial with only 54 participants. The results may not apply to everyone, and the supplement might show no meaningful benefit over a placebo.

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

54 people

The number who actually took part.

Started

Apr 2024

Finished

Aug 2025

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 years and older

Sex

Anyone

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: * aged ≥ 45 * diagnosed with mild cognitive impairment by clinical dementia rating (CDR) with a scoring of 0.5 * have the ability to communicate, reading and writing Exclusion Criteria: * diagnosed with dementia * diagnosed with terminal diseases or severe psychological symptoms (lifespan ≤ 2 years, cancer, severe stroke, heart disease, liver cirrhosis, ESRD, severe depression, etc.) * Severe blindness, hearing impairment, or communication disability * Branched-chain organic aciduria (e.g., maple syrup urine disease) * Individuals who do not consume fish or are allergic to fish products

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction

As listed by the trial registrant

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

Mild cognitive impairment

Contacts and locations

Locations

  • School of Nutrition and Health Sciences

    Taipei, Xinyi, 110, Taiwan

More trials for these conditions

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