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Long COVID under the microscope: new study reveals its reach in southern chile

NCT ID NCT05855382

Knowledge-focused Sponsor: Universidad de Magallanes 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how many people in Punta Arenas, Chile, have persistent COVID-19 (long COVID) — symptoms lasting more than 4 weeks after infection. Researchers surveyed and tested 282 adults who had COVID-19, checking their physical and mental health, and looking for risk factors and biomarkers. The goal was to better understand the condition and help guide future care.

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

282 people

The number who actually took part.

Started

May 2023

Finished

Jan 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.

Who is studied

To identify potential participants for this population-based study with stratified random sampling, we also considered the following eligibility criteria: (1) Diagnosed SARS-CoV-2 infection confirmed by RT-qPCR test (2) residency in Punta Arenas, (3) recruitment messages via phone calls, text messages, emails, and social media postings, and (4) referrals from collaborating healthcare providers.

Ages

18 to 100 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: * Age ≥ 18 years * Individuals must be included in the COVID-19 monitoring database by the SEREMI of Health in Punta Arenas between July 2022 and July 2023. * Patients able to give informed consent. Exclusion Criteria: * Age \< 18 years * Any physical, mental, immunosuppressive, or social condition that, in the investigator's judgment, might interfere with the completion of the baseline assessments and evaluations. * Individuals who are digitally illiterate and do not have access to nearby networks to support them during the process.

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Conditions

The condition(s) this trial relates to.

COVID-19 long COVID-19

As listed by the trial registrant

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

COVID -19

Contacts and locations

Locations

  • Teaching and Research Healthcare Center of the University of Magallanes (CADI-UMAG)

    Punta Arenas, Magllanes and Chilean Antartic Region, 6200000, Chile

More trials for these conditions

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