UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000044332
Receipt number R000050574
Scientific Title Effect of COVID-19 mRNA Vaccine on Semen Parameters
Date of disclosure of the study information 2021/05/26
Last modified on 2021/11/24 13:39:12

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Basic information

Public title

Effect of COVID-19 mRNA Vaccine on Semen Parameters

Acronym

Effect of COVID-19 mRNA Vaccine on Semen Parameters

Scientific Title

Effect of COVID-19 mRNA Vaccine on Semen Parameters

Scientific Title:Acronym

Effect of COVID-19 mRNA Vaccine on Semen Parameters

Region

Japan


Condition

Condition

Male infertility

Classification by specialty

Obstetrics and Gynecology Urology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Assessment of the effect of COVID-19 mRNA Vaccine on semen parameters among 20 male volunteers.

Basic objectives2

Pharmacodynamics

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Semen Analysis

Time Frame:
1)Before the first mRNA COVID-19 vaccine (2 times)
2)2 weeks after the first COVID-19 vaccine (2 times)
3) 2 weeks after the second COVID-19 vaccine (2 times)
4) 4 weeks after the second COVID-19 vaccine (2 times)
* 2 days of abstinence period before semen collection

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

50 years-old >=

Gender

Male

Key inclusion criteria

1. Male Volunteers
2. Ages 20-50
3. Unvaccinated at the time of enrollment. Vaccinate with the first and second Pfizer's COVID-19 Vaccine from May to December 2021.
4. Able to supply semen samples 8 times in total as scheduled.
5. Submission of signed informed consent with ability and willingness.

Key exclusion criteria

1.Taking medications that would interfere with semen analysis parameters.
2.History of COVID-19 infection at the time of enrollment.
3.Not eligible to receive COVID-19 mRNA vaccination due to health factors.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Tomomoto
Middle name
Last name Ishikawa

Organization

Reproduction Clinic Osaka

Division name

Reproduction Clinic Osaka

Zip code

530-0011

Address

15F, Grand Front Osaka Tower A, 4-20 Ofuka-cho, Kita-ku, Osaka 530-0011 Japan

TEL

06-6136-3344

Email

tishikawa@reposaka.jp


Public contact

Name of contact person

1st name Tomomoto
Middle name
Last name Ishikawa

Organization

Reproduction Clinic Osaka

Division name

Reproduction Clinic Osaka

Zip code

530-0011

Address

15F, Grand Front Osaka Tower A, 4-20 Ofuka-cho, Kita-ku, Osaka 530-0011 Japan

TEL

06-6136-3344

Homepage URL


Email

tishikawa@reposaka.jp


Sponsor or person

Institute

Reproduction Clinic Osaka

Institute

Department

Personal name



Funding Source

Organization

Self-funding

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Reproduction Clinic Osaka Research Ethics Committee

Address

15F, Grand Front Osaka Tower A, 4-20 Ofuka-cho, Kita-ku, Osaka 530-0011 Japan

Tel

06-6136-3401

Email

htakizawa@reposaka.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

リプロダクションクリニック大阪(大阪府)/ Reproduction Clinic Osaka (Osaka)


Other administrative information

Date of disclosure of the study information

2021 Year 05 Month 26 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

No longer recruiting

Date of protocol fixation

2021 Year 04 Month 26 Day

Date of IRB

2021 Year 05 Month 15 Day

Anticipated trial start date

2021 Year 05 Month 15 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

A prospective study comparing semen parameters among male volunteers aged 20-50, before and after receiving the first and second dose of Pfizer's COVID-19 vaccination. Currently, there is no medical and scientific information which evaluated semen parameters following the COVID-19 vaccination.


Management information

Registered date

2021 Year 05 Month 26 Day

Last modified on

2021 Year 11 Month 24 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050574


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name