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Cord blood infusion trial aims to beat long COVID fatigue

NCT ID NCT07184385

Symptom relief Sponsor: StemCyte, Inc. 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This phase 3 trial tests whether a single infusion of human umbilical cord blood, called REGENECYTE, can reduce fatigue in people with Long COVID. Sixty adults with post-COVID condition will receive either the cord blood or a placebo (salt water) and be monitored for changes in fatigue and side effects. The study is double-blind and randomized, meaning neither participants nor doctors know who gets the real treatment.

What this could mean

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

Active substance
human umbilical cord blood (REGENECYTE)
What this could lead to
If it works, this could offer a new treatment to ease severe fatigue in people with Long COVID.
What could go wrong
This is a small early-stage trial with only 60 people, so results may not apply to everyone. The treatment is an infusion, which carries risks like allergic reactions or infection.

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

About 60 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Sep 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 65 years

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: * Male or female aged ≥ 18 * With post-COVID condition * Has had a recent (within 7 days) negative SARS-CoV-2 test (an approved PCR or antigen test) * Able to provide signed informed consent (by the subject or his/her legally authorized representative) * Is willing and able to participate in all aspects of the study, including completion of subjective evaluations, attendance at scheduled clinic visits, and compliance with all protocol requirements as evidenced by providing a written informed consent Exclusion Criteria: * Neurological disorders prior to COVID-19 diagnosis * With pre-existing terminal illness * With known immune disease * Is pregnant or breastfeeding * Is currently participating in another investigational study or has been taking any other investigational product within the last 4 weeks before screening * Has received any vaccination within 3 weeks prior to the first IP infusion or planning to receive vaccination during the treatment period * Judged by the investigator to be not suitable for study participation, including but not limited to pre-existing chronic diseases * Under the conditions that may increase risk of complications based on the medical judgment of the investigator and the parameters

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Conditions

The condition(s) this trial relates to.

long COVID-19 post-COVID-19 disorder

As listed by the trial registrant

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

Long COVID Post COVID syndrome Post-COVID condition Post-COVID-19 condition

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. 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 ↗

  2. 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.

More trials for these conditions

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