NCT04933994

Brief Summary

To explore the different clinical and CT features distinguishing COVID-19 from H1N1 influenza pneumonia.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
483

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2017

Typical duration for all trials

Status
completed

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 Start

First participant enrolled

January 1, 2017

Completed
3.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 28, 2020

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 15, 2020

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

June 17, 2021

Completed
5 days until next milestone

First Posted

Study publicly available on registry

June 22, 2021

Completed
Last Updated

July 16, 2021

Status Verified

October 1, 2020

Enrollment Period

3.2 years

First QC Date

June 17, 2021

Last Update Submit

July 14, 2021

Conditions

COVID-19H1N1 Influenza

Keywords

COVID-19, H1N1, Tomography, X-ray computed

Outcome Measures

Primary Outcomes (1)

  • Comparison of the clinical and CT features between COVID-19 pneumonia and H1N1 influenza pneumonia in Zhejiang, China

    one paper

    1 year

Study Arms (1)

Coronavirus disease; Influenza A(H1N1)

two independent cohorts of COVID-19 pneumonia (n=405) and H1N1 influenza pneumonia (n=78) retrospectively, all patients were confirmed by RT-PCR. Four hundred and five cases of COVID-19 pneumonia were confirmed in nine hospitals of Zhejiang province, China from January 21 to February 20, 2020. Seventy-eight cases of H1N1 influenza pneumonia were confirmed in our hospital from January 1, 2017 to February 29, 2020.

Device: computed Tomography

Interventions

computed TomographyDEVICE

All cases were detected with computed Tomography

Coronavirus disease; Influenza A(H1N1)

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

pneumonia with COVID-19 pneumonia or H1N1 influenza

You may qualify if:

  • pneumonia

You may not qualify if:

  • no pneumonia

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

COVID-19Orthomyxoviridae Infections

Interventions

Tomography, X-Ray Computed

Condition Hierarchy (Ancestors)

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

Intervention Hierarchy (Ancestors)

Image Interpretation, Computer-AssistedDiagnostic ImagingDiagnostic Techniques and ProceduresDiagnosisRadiographic Image EnhancementImage EnhancementPhotographyRadiographyTomography, X-RayTomography

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
OTHER
Target Duration
4 Years
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 17, 2021

First Posted

June 22, 2021

Study Start

January 1, 2017

Primary Completion

February 28, 2020

Study Completion

September 15, 2020

Last Updated

July 16, 2021

Record last verified: 2020-10