UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000040453
Receipt number R000046159
Scientific Title Long-term follow-up of corona virus disease 2019 (COVID-19) antibody seroprevalence in the cohort of employees at hospitals with or without cluster of COVID-19.
Date of disclosure of the study information 2020/05/25
Last modified on 2023/05/22 14:39:38

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Corona virus disease 2019 (COVID-19) antibody seroprevalence of the medical staff in the hospital with cluster of COVID-19.

Acronym

COVID-19 antibody seroprevalence of medical staff in the hospital with cluster of COVID-19.

Scientific Title

Long-term follow-up of corona virus disease 2019 (COVID-19) antibody seroprevalence in the cohort of employees at hospitals with or without cluster of COVID-19.

Scientific Title:Acronym

Long-term follow-up of COVID-19 antibody seroprevalence in the cohort of medical staff.

Region

Japan


Condition

Condition

COVID-19

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to provide a more complete estimation of COVID-19 in hospital with or without COVID-19 cluster by seroprevalence survey of COVID-19.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Total number of COVID-19, including those infections that might have been missed (include asymptomatic cases)

Key secondary outcomes

Incidence of seroconversion in high-risk population (working in hospital with cluster, job, and exposure to COVID-19).
Timeline of seroconversion.
Development of herd immunity.


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Employee of Osaka Police Hospital and Daini Osaka Police Hospital at May 2020.
Person who received regular medical checkup.

Key exclusion criteria

Person who don't want to participate the study

Target sample size

2500


Research contact person

Name of lead principal investigator

1st name Atsushi
Middle name
Last name Ogata

Organization

Daini Osaka Police Hospital

Division name

Departmrny of Internal Medeicine

Zip code

543-8922

Address

2-6-40, Karasugatsuji, Tennoji-ku Osaka, Japan

TEL

06-6773-7111

Email

a24ogata@icloud.com


Public contact

Name of contact person

1st name Atsushi
Middle name
Last name Ogata

Organization

Daini Osaka Police Hospital

Division name

Departmrny of Internal Medeicine

Zip code

543-8922

Address

2-6-40, Karasugatsuji, Tennoji-ku Osaka, Japan

TEL

06-6773-7111

Homepage URL


Email

a24ogata@icloud.com


Sponsor or person

Institute

Daini Osaka Police Hospital

Institute

Department

Personal name



Funding Source

Organization

Daini Osaka Police Hospital

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor

Osaka Police Hospital
Department of Clinical Immunology, Graduate School of Medicine, Osaka University

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Daini Osaka Police Hospital

Address

2-6-40, Karasugatsuji, Tennoji-ku Osaka, Japan

Tel

06-6773-7050

Email

m-kubota@oph.gr.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2020 Year 05 Month 25 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled

45

Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2020 Year 05 Month 15 Day

Date of IRB

2020 Year 05 Month 18 Day

Anticipated trial start date

2020 Year 05 Month 25 Day

Last follow-up date

2023 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

COVID-19 antibody will be measured by Elecsys Anti-SARS-CoV-2 (Roche) at regular medical checkup (May 2020, Nov 2020, May 2021, Nov 2021). Exposure to COVID-19, noticeable symptoms which may be related to COVID-19 infection will be collected with each regular medical checkup. Other corona virus antibody will be analyzed.


Management information

Registered date

2020 Year 05 Month 19 Day

Last modified on

2023 Year 05 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000046159


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name