Unique ID issued by UMIN | UMIN000044332 |
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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 |
Effect of COVID-19 mRNA Vaccine on Semen Parameters
Effect of COVID-19 mRNA Vaccine on Semen Parameters
Effect of COVID-19 mRNA Vaccine on Semen Parameters
Effect of COVID-19 mRNA Vaccine on Semen Parameters
Japan |
Male infertility
Obstetrics and Gynecology | Urology |
Others
NO
Assessment of the effect of COVID-19 mRNA Vaccine on semen parameters among 20 male volunteers.
Pharmacodynamics
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
Observational
20 | years-old | <= |
50 | years-old | >= |
Male
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.
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.
20
1st name | Tomomoto |
Middle name | |
Last name | Ishikawa |
Reproduction Clinic Osaka
Reproduction Clinic Osaka
530-0011
15F, Grand Front Osaka Tower A, 4-20 Ofuka-cho, Kita-ku, Osaka 530-0011 Japan
06-6136-3344
tishikawa@reposaka.jp
1st name | Tomomoto |
Middle name | |
Last name | Ishikawa |
Reproduction Clinic Osaka
Reproduction Clinic Osaka
530-0011
15F, Grand Front Osaka Tower A, 4-20 Ofuka-cho, Kita-ku, Osaka 530-0011 Japan
06-6136-3344
tishikawa@reposaka.jp
Reproduction Clinic Osaka
Self-funding
Self funding
Reproduction Clinic Osaka Research Ethics Committee
15F, Grand Front Osaka Tower A, 4-20 Ofuka-cho, Kita-ku, Osaka 530-0011 Japan
06-6136-3401
htakizawa@reposaka.jp
NO
リプロダクションクリニック大阪(大阪府)/ Reproduction Clinic Osaka (Osaka)
2021 | Year | 05 | Month | 26 | Day |
Unpublished
No longer recruiting
2021 | Year | 04 | Month | 26 | Day |
2021 | Year | 05 | Month | 15 | Day |
2021 | Year | 05 | Month | 15 | Day |
2021 | Year | 12 | Month | 31 | Day |
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.
2021 | Year | 05 | Month | 26 | Day |
2021 | Year | 11 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050574
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