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Long COVID rehab study halted early – what we know

NCT ID NCT05398692

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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 study looked at whether a supervised exercise and pulmonary rehabilitation program could help people with Long COVID feel better and move more easily. Researchers measured changes in aerobic capacity, fatigue, and quality of life in 21 adults who had COVID at least 12 weeks earlier. The study was terminated early, so the findings are limited.

What this could mean

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

Active substance
On-site exercise and pulmonary rehabilitation program
What this could lead to
If successful, this program could offer a structured way to improve fitness and reduce fatigue for people with Long COVID.
What could go wrong
The study was terminated early with only 21 participants, so results are limited and may not apply broadly. Exercise may worsen symptoms like post-exertional malaise in some patients.

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

21 people

The number who actually took part.

Started

Feb 2022

Finished

Dec 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 90 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: * Long COVID-19 Infection (Documented by PCR or patient report) * Age \>= 18 years old. * At least 12 weeks since the initial COVID Infection. * One or more of the following symptom/signs: Fatigue, Dyspnea, Exercise Intolerance, Post Exertional Malaise and/or Difficulty Breathing. * Able to perform a cardiopulmonary exercise test. Exclusion Criteria: * Patients is not able to perform technically acceptable pulmonary function tests and symptom-limited cardiopulmonary cycle ergometry tests. * Patients who desaturate to SpO2 \<80% on screening incremental exercise testing. * Patients who have completed a pulmonary rehabilitation program in the six weeks prior to the screening visit or patients who are currently in a pulmonary rehabilitation program. * Patients who have taken an investigational drug within one month or six half-lives (whichever is greater) prior to screening visit (Visit 1). * Pregnant or nursing women. * Women of childbearing potential who are not using a highly effective method of birth control. Female patients will be considered of childbearing potential unless surgically sterilized by hysterectomy or bilateral tubal ligation, or post-menopausal for at least two years. * Patients who are currently participating in another interventional study. * Malignancy for which the patient has undergone resection, radiation therapy, or chemotherapy within the last 2 years * Any other significant disease than COVID-19 which, in the opinion of the investigator, may i) put the patient at risk because of participation in the study, ii) influence the results of the study (e.g. Insulin or testosterone therapy, systemic corticosteroids, HIV, etc), iii) cause concern regarding the patient's ability to participate in the study.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center

    Torrance, California, 90509, United States

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