UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000043538
Receipt number R000049716
Scientific Title Survey on prevalence of SARS-CoV-2 infection in health care workers, working at large-scale medical institutions
Date of disclosure of the study information 2021/03/06
Last modified on 2022/05/19 19:38:22

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Basic information

Public title

Survey on prevalence of SARS-CoV-2 infection in health care workers, working at large-scale medical institutions

Acronym

Survey on prevalence of SARS-CoV-2 infection in health care workers, working at large-scale medical institutions

Scientific Title

Survey on prevalence of SARS-CoV-2 infection in health care workers, working at large-scale medical institutions

Scientific Title:Acronym

Survey on prevalence of SARS-CoV-2 infection in health care workers, working at large-scale medical institutions

Region

Japan


Condition

Condition

Coronavirus Disease-2019(COVID-19, SARS-CoV-2 infection)

Classification by specialty

Pneumology Infectious disease

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

We aimed to investigate the seroprevalence against SARS-CoV-2 in healthcare workers working at medical institutions for obtaining knowledge on maintaining the medical care provision system under the spread of SARS-CoV-2 infection.

Basic objectives2

Others

Basic objectives -Others

Evaluating the time course of various immune responses before and after vaccination.

Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Seroprevalence against SARS-CoV-2 in healthcare workers working at medical institutions

Key secondary outcomes



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

Those who meet all of the following criteria.
[Part 1]
(1) Those who are 20 years of age or older at the time of registration.
(2) Those who have worked at the medical institution for at least one month within the past year from the time of registration.

[Part 2]
(1) Those who are scheduled to be vaccinated against SARS-CoV-2 within 3 months from the time of study registration

Key exclusion criteria

Those who meet the following criteria are excluded.
[Part 1]
(1) Those who specimen of previous vaccination against SARS-CoV-2 is not available.
(2) Those who with mental illness or other conditions that might affect their ability to consent
(3) Those who are deemed by the researcher to be unsuitable to participate in the research.

[Part 2]
(1) Those who plan to retire from the medical institution during the follow-up survey at the time of obtaining consent.

Target sample size

500


Research contact person

Name of lead principal investigator

1st name Hideaki
Middle name
Last name Kato

Organization

Yokohama City University Hospital

Division name

Infection Control Unit

Zip code

236-0004

Address

3-9 Fukuura, kanazawa-ku, Yokohama 2360004, Japan

TEL

045-787-2800

Email

ekato@yokohama-cu.ac.jp


Public contact

Name of contact person

1st name Hieaki
Middle name
Last name Kato

Organization

Yokohama City University Hospital

Division name

Infection Control Unit

Zip code

236-0004

Address

3-9 Fukuura, kanazawa-ku, Yokohama 2360004, Japan

TEL

045-787-2800

Homepage URL


Email

ekato@yokohama-cu.ac.jp


Sponsor or person

Institute

Yokohama City University

Institute

Department

Personal name



Funding Source

Organization

Japan Agency for Medical Research and Development

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Yokohama City University Hospital

Address

3-9 Fukuura, kanazawa-ku, Yokohama 2360004, Japan

Tel

045-370-7627

Email

rinri@yokohama-cu.ac.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

2021 Year 03 Month 06 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


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

2021 Year 02 Month 25 Day

Date of IRB

2021 Year 03 Month 04 Day

Anticipated trial start date

2021 Year 03 Month 08 Day

Last follow-up date

2021 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This study is a prospective observational study of healthcare workers.


Management information

Registered date

2021 Year 03 Month 05 Day

Last modified on

2022 Year 05 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000049716