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Why are so many COVID survivors still exhausted?

NCT ID NCT05731817

Knowledge-focused Sponsor: Universidad de Granada 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at why more than half of people who recover from COVID-19 still feel very tired. Researchers are measuring fatigue in 398 adults using questionnaires and muscle tests. The goal is to better understand who is most affected and how severe the fatigue can be.

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.

Participants

About 398 people

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

Started

Feb 2023

Expected to finish

Sep 2026

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.

Who is studied

COVID-19 patients

Ages

18 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: * diagnosis of COVID-19 * adults (\>18 years) * basic knowledge and access to the internet * wish to participate in the study and sign the informed consent Exclusion Criteria: * patients with severe comorbidities that interfere with the ability to perform the study, and those with mental, physical or organic problems that under medical criteria may pose a risk to the patient

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Conditions

The condition(s) this trial relates to.

COVID-19 Fatigue

As listed by the trial registrant

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

COVID-19

Contacts and locations

Locations

  • University of Granada

    Granada, Granada, Spain

More trials for these conditions

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