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Brazilian COVID-19 data study completed: what 361,000 hospitalizations reveal

NCT ID NCT06652451

Knowledge-focused Sponsor: AstraZeneca 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This completed study looked back at data from over 361,000 people hospitalized with COVID-19 in Brazil. Researchers used a public health database to describe patient characteristics and outcomes, such as death rates. They also compared the impact of vaccination on immunocompromised patients versus the general population. The goal was to better understand how COVID-19 affected the Brazilian healthcare system.

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

361,000 people

The number who actually took part.

Started

Nov 2024

Finished

Nov 2024

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.

Who is studied

The population included in this study are hospitalized patients with COVID-19 registered in the SRAG and SIH databases; representative of a significant sample of individuals present in the public health registry system in Brazil.

Ages

18 to 80 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: * All individuals with COVID-19-related hospitalization. Individuals aged ≥18 years at the time of entry into the database. Exclusion Criteria: * Hospitalized patients with incomplete or missing data related to data linked in DATASUS.

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Conditions

The condition(s) this trial relates to.

COVID-19

As listed by the trial registrant

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

COVID

Contacts and locations

Locations

  • Research Site

    São Paulo, Brazil

More trials for these conditions

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