Unique ID issued by UMIN | UMIN000031791 |
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Receipt number | R000036288 |
Scientific Title | Development of new sperm freezing method |
Date of disclosure of the study information | 2021/04/01 |
Last modified on | 2021/06/17 20:46:56 |
Development of new sperm freezing method
sperm freezing method
Development of new sperm freezing method
sperm freezing method
Japan |
Male infertility
Obstetrics and Gynecology | Urology |
Others
NO
Focusing on osmotic pressure adjustment (saccharides), intracellular and extracellular freezing agents and freezing methods, we aim to newly study sperm freezing and thawing, with the aim of improving the survival rate after sperm freezing and thawing.
Safety,Efficacy
Exploratory
Pragmatic
Not applicable
Survival rate of sperm after freezing and thawing.
Mortality, malformation rate, motility of sperm after freezing and thawing.
Observational
20 | years-old | <= |
60 | years-old | >= |
Male
Specimen to be discarded which has a motion sperm ratio of more than 60% after treatment by density gradient centrifugation.
Age; 20 years old and over.
Document consent was obtained with free will of the patient himself after sufficient informed consent to participate in this research.
Waste specimens with an exercise rate of original semen of 30% or less.
Specimens to be discarded with motion sperm ratio of less than 60% after treatment by density gradient centrifugation.
1000
1st name | Mikiko |
Middle name | |
Last name | Nishioka |
Mie University Hosptal
Center for Advanced reproductive medical
514-8507
2-174 Edobashi, Tsu city, Mie prefecture
059-232-1111
tada-m@clin.medic.mie-u.ac.jp
1st name | Seiya |
Middle name | |
Last name | Higashimoto |
Mie University Hosptal
Center for Advanced reproductive medical
514-8507
2-174 Edobashi, Tsu city, Mie prefecture
059-232-1111
k-seisyoku@clin.medic.mie-u.ac.jp
Mie University Hosptal
Mie University
Other
Medical Research Ethics Committee, Mie University Hospital
2-174 Edobashi, Tsu city, Mie prefecture
059-232-1111
s-kenkyu@mo.medic.mie-u.ac.jp
NO
2021 | Year | 04 | Month | 01 | Day |
Published
https://www.mdpi.com/2073-4409/10/6/1435
105
Main results already published
2016 | Year | 05 | Month | 12 | Day |
2016 | Year | 05 | Month | 12 | Day |
2016 | Year | 05 | Month | 12 | Day |
2021 | Year | 03 | Month | 31 | Day |
2021 | Year | 06 | Month | 17 | Day |
2021 | Year | 06 | Month | 17 | Day |
2021 | Year | 06 | Month | 17 | Day |
prospective, observational study
2018 | Year | 03 | Month | 19 | Day |
2021 | Year | 06 | Month | 17 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000036288
Research Plan | |
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Registered date | File name |
2018/06/06 | 精子凍結研究計画書 20180529承認.doc |
Research case data specifications | |
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Registered date | File name |
Research case data | |
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Registered date | File name |