NCT04525716

Brief Summary

This project covers several research aims and uses different research methods, such as cohort analyses.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
300,000

participants targeted

Target at P75+ for all trials

Timeline
44mo left

Started Jan 2020

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress64%
Jan 2020Dec 2029

Study Start

First participant enrolled

January 1, 2020

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

August 21, 2020

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 25, 2020

Completed
7.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2027

Expected
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2029

Last Updated

November 26, 2025

Status Verified

November 1, 2025

Enrollment Period

8 years

First QC Date

August 21, 2020

Last Update Submit

November 20, 2025

Conditions

Covid19Surgery

Outcome Measures

Primary Outcomes (1)

  • Death

    Mortality

    30 days post surgery

Secondary Outcomes (2)

  • Length of stay

    Through study completion, an average of 1 month

  • Complications

    3 months post surgery

Study Arms (3)

COVID-19

Patients with confirmed COVID-19 infection

Other: COVID-19 infection status

Non-COVID-19

Patients without confirmed COVID-19 infection

Other: COVID-19 infection status

Socioeconomic status

Patients with varying socioeconomic status will be compared

Other: Socioeconomic status

Interventions

COVID-19 infection statusOTHER

The investigators will compare patients with/without confirmed COVID-19 infection

COVID-19Non-COVID-19
Socioeconomic statusOTHER

Patients from different socioeconomic groups will be compared

Socioeconomic status

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients that undergo surgical treatment in the Stockholm Region during the study period

You may qualify if:

  • Patients that undergo surgical treatment in the Stockholm Region during the study period

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

All acute care hospitals in Region Stockholm

Stockholm, Sweden

RECRUITING

MeSH Terms

Conditions

COVID-19

Interventions

Social Class

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

Socioeconomic FactorsPopulation Characteristics

Study Officials

  • Martin Nordberg, MD, PhD

    Karolinska Institutet, Södersjukhuset

    STUDY CHAIR

Central Study Contacts

Andreas Älgå, MD, PhD

CONTACT

0702463287andreas.alga@ki.se

Martin Nordberg, MD, PhD

CONTACT

martin.nordberg@regionstockholm.se

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD

Study Record Dates

First Submitted

August 21, 2020

First Posted

August 25, 2020

Study Start

January 1, 2020

Primary Completion (Estimated)

December 31, 2027

Study Completion (Estimated)

December 31, 2029

Last Updated

November 26, 2025

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Locations

SE(1)