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A spirulina supplement's secret signature: can a simple test confirm you took it?

NCT ID NCT05556967

Knowledge-focused Sponsor: University of Mississippi Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time

Summary

This pilot study tests whether specific compounds in blood or urine can serve as reliable markers that a person has consumed Immulina, a dietary supplement made from Spirulina. Healthy adults aged 18 to 50 will provide samples before and after taking the supplement to see if levels of certain fatty acids and other molecules change. The goal is to find a simple way to verify supplement intake in future research.

What this could mean

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

Active substance
a dietary supplement called Immulina, a standardized extract from Spirulina
What this could lead to
If successful, this could provide a reliable way to confirm whether someone has taken the supplement, aiding adherence monitoring in future studies.
What could go wrong
This is a small pilot study with only 20 healthy volunteers, so results may not apply broadly. The identified biomarkers may not prove reliable in larger or more diverse groups.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

20 people

The number who actually took part.

Started

Aug 2023

Finished

Oct 2023

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

18 to 50 years

Sex

Anyone

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: * Males and females, 18-50 years old * If female of childbearing potential, using acceptable means of birth control or postmenopausal for at least two years * Healthy Exclusion Criteria: * pregnant or lactating females * significant acute disease * recurrent medications for chronic disease

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Conditions

The condition(s) this trial relates to.

Patient Compliance

As listed by the trial registrant

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

Adherence, patient

Contacts and locations

Locations

  • Clinical Research and Trials Unit - University of Mississippi Medical Center

    Jackson, Mississippi, 39216, United States

More trials for these conditions

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