UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000049684
Receipt number R000052091
Scientific Title Robust antibody response after the third mRNA coronavirus vaccination in Japanese hemodialysis patients
Date of disclosure of the study information 2022/12/04
Last modified on 2023/08/01 09:25:26

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Basic information

Public title

Robust antibody response after the third mRNA coronavirus vaccination in Japanese hemodialysis patients

Acronym

Robust antibody response to the third mRNA vaccine in dialysis patients

Scientific Title

Robust antibody response after the third mRNA coronavirus vaccination in Japanese hemodialysis patients

Scientific Title:Acronym

Robust antibody response to the third mRNA vaccine in dialysis patients

Region

Japan


Condition

Condition

COVID-19 in hemodialysis patients

Classification by specialty

Nephrology Infectious disease Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Response to the third coronavirus mRNA vaccination in hemodialysis patients

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Positive rate of SARS-CoV-2 IgG antibody 2-3 weeks after 3 doses of BNT162b2 mRNA vaccine

Key secondary outcomes

Analysis of factors involved in the elevation of SARS-CoV-2 IgG antibodies in mRNA vaccines


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

18 years-old <=

Age-upper limit

100 years-old >

Gender

Male and Female

Key inclusion criteria

Persons who have cooperated in writing in this study

Key exclusion criteria

Patients with a history of COVID-19 prior to study entry or with a positive blood test for anti-SARS-CoV-2 IgG antibodies at the time of study entry

Target sample size

300


Research contact person

Name of lead principal investigator

1st name Ryochi
Middle name
Last name Miyazaki

Organization

Fujita memorial Hospital

Division name

Internal Medicine

Zip code

910-0004

Address

4-15-7 Houei, Fukui City

TEL

0776-21-1277

Email

ryoichi@mitene.or.jp


Public contact

Name of contact person

1st name Ryoichi
Middle name
Last name Miyazaki

Organization

Fujita Memorial Hospital

Division name

Internal Medicine

Zip code

910-0004

Address

4-15-7, Houei Fukui City

TEL

0776-21-1277

Homepage URL

http://www.fujita-mhp.jp/

Email

ryoichi@mitene.or.jp


Sponsor or person

Institute

Fujita Memorial Hospital, Internal Medicine

Institute

Department

Personal name



Funding Source

Organization

Fujita Memorial Hospital, Internal Medicine

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Fujita Memorial Hospital

Address

4-15-7, Houei Fukui City

Tel

+811776211277

Email

ryoichi@mitene.or.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

藤田記念病院


Other administrative information

Date of disclosure of the study information

2022 Year 12 Month 04 Day


Related information

URL releasing protocol

https://rrtjournal.biomedcentral.com

Publication of results

Unpublished


Result

URL related to results and publications

https://rrtjournal.biomedcentral.com

Number of participants that the trial has enrolled

294

Results

After the third vaccination, 99.4% of the hemodialysis group and 100% of the control group were positive for antispike antibodies. Median antispike antibodies were 20,000 AU/mL (IQR, 7,729-37,000 AU/mL) in the hemodialysis group and 21,500 AU/ml (IQR, 14,000-32,250 AU/mL) in the healthcare worker group.

Results date posted

2022 Year 12 Month 04 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

The hemodialysis group is patients on maintenance hemodialysis at our hospital and the health care providers are employees working at our hospital. Written informed consent for the study was obtained for both groups.

Participant flow

There were dropouts in each group between the second and third vaccinations. In the hemodialysis group, 9 deaths, 3 transfers, 2 BT infections, 1 refusal to vaccinate, and 3 delayed vaccinations dropped out. In the health care workers, 8 cases retired and 1 case had adverse dropout after the second vaccination.

Adverse events

No serious adverse events were observed in both groups.

Outcome measures

Analysis of anti-spike antibody titers and factors related to antibody titers in each group after the third immunization.

Plan to share IPD

No individual case data sharing plan.

IPD sharing Plan description

No individual case data sharing plan.


Progress

Recruitment status

Completed

Date of protocol fixation

2021 Year 01 Month 06 Day

Date of IRB

2021 Year 05 Month 12 Day

Anticipated trial start date

2021 Year 05 Month 17 Day

Last follow-up date

2022 Year 09 Month 05 Day

Date of closure to data entry

2022 Year 12 Month 01 Day

Date trial data considered complete

2022 Year 12 Month 01 Day

Date analysis concluded

2022 Year 12 Month 03 Day


Other

Other related information

No other relevant information


Management information

Registered date

2022 Year 12 Month 04 Day

Last modified on

2023 Year 08 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000052091


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name