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Your address may predict your surgery survival

NCT ID NCT07621211

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how social and economic factors—like income and neighborhood—affect recovery and survival after surgery. Researchers will study 45,000 patients in Brazil to see if those facing more hardship have worse outcomes. The goal is to identify vulnerable patients and help reduce unfair differences in surgical 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

About 45,000 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

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

Study participants will be selected from surgical patients treated at participating public and private hospitals in Brazil. The participating centers are Hospital São José in Criciúma, Santa Catarina; Hospital de Clínicas de Porto Alegre and Hospital Nossa Senhora da Conceição in Porto Alegre, Rio Grande do Sul; Hospital São Domingos in São Luís, Maranhão; Hospital Marcelino Champagnat in Curitiba, Paraná; Hospital São Paulo in São Paulo, São Paulo; and Hospital da Universidade Federal da Bahia in Salvador, Bahia. These hospitals represent different geographic regions of Brazil and include both public and private healthcare settings.

Ages

16 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: * Patients aged 16 years or older. * Patients who underwent an elective or urgent surgical procedure in an operating room at a participating hospital. * Surgical procedure performed between January 1, 2024, and December 31, 2024. Exclusion Criteria: * Patients who underwent ophthalmologic surgery, diagnostic procedures only and procedures performed under local anesthesia only. * Patients who underwent liver, lung or heart transplantation. * Patients diagnosed with brain death who were organ donor candidates.

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Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

As listed by the trial registrant

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

How to take part

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

  1. The places running it

    7 sites. The list below names each one and where it is.

  2. 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 ↗

  3. 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.

Contacts and locations

Locations

  • Hospital Nossa Senhora da Conceição

    Porto Alegre, Rio Grande do Sul, 91350-200, Brazil

  • Hospital São Domingos

    São Luís, Maranhão, 65060-645, Brazil

  • Hospital São José

    Criciuma, Rio Grande do Sul, 88.811-500, Brazil

  • Hospital São Marcelino Champagnat

    Curitiba, Paraná, 80050-370, Brazil

  • Hospital São Paulo

    São Paulo, São Paulo, 04038-032, Brazil

  • Hospital das Clínicas da Universidade Federal da Bahia

    Salvador, Estado de Bahia, 40110-060, Brazil

  • Hospital de Clínicas de Porto Alegre

    Porto Alegre, Rio Grande do Sul, 90410-000, Brazil