| Unique ID issued by UMIN | UMIN000062690 |
|---|---|
| Receipt number | R000071775 |
| Scientific Title | Study on the Effectiveness of PICSI |
| Date of disclosure of the study information | 2026/09/01 |
| Last modified on | 2026/08/26 00:20:21 |
Study on the Effectiveness of Physiological Sperm Selection Using Hyaluronic Acid
Study on the Effectiveness of PICSI
Study on the Effectiveness of PICSI
Study of PICSI
| Japan |
Infertility requiring intracytoplasmic sperm injection (ICSI)
| Obstetrics and Gynecology |
Others
NO
To evaluate the effectiveness of physiological intracytoplasmic sperm injection (PICSI), which selects mature sperm based on their ability to bind to hyaluronic acid, in patients with infertility requiring ICSI by assessing embryo development and pregnancy and delivery outcomes.
Efficacy
Blastocyst formation rate
Interventional
Single arm
Non-randomized
Open -no one is blinded
Uncontrolled
1
Treatment
| Medicine | Maneuver |
On the day of oocyte retrieval, semen is prepared using the standard laboratory procedure. Sperm with hyaluronic acid-binding ability are then selected using a PICSI Dish and used for intracytoplasmic sperm injection (ICSI).
| 18 | years-old | <= |
| 43 | years-old | > |
Female
1. Patients undergoing infertility treatment at the Reproductive Endocrinology and Infertility Clinic of Tohoku University Hospital and receiving assisted reproductive technology (ART).
2. Patients indicated for intracytoplasmic sperm injection (ICSI).
3. Patients who have received sufficient explanation regarding the study and have voluntarily provided written informed consent to participate in the study and to bear the costs associated with PICSI.
4.Patients meeting at least one of the following criteria:
Failure to obtain good-quality embryos following conventional ICSI.
Difficulty in sperm selection based solely on morphology and motility due to asthenozoospermia, teratozoospermia, or other sperm abnormalities.
Couples with an older male partner.
5.Patients otherwise considered appropriate for PICSI by the principal investigator or study investigators.
1. Cases in which no motile sperm are identified.
2. Cases undergoing other sperm-selection techniques, such as ZyMOT or intracytoplasmic morphologically selected sperm injection (IMSI).
3. Cases using sperm surgically retrieved by techniques such as testicular sperm extraction (TESE) or microsurgical epididymal sperm aspiration (MESA).
4. Cases in which the female partner is 43 years of age or older at the time of treatment planning.
5. Cases in which no sperm motility is observed and motile sperm cannot be obtained without the use of agents such as pentoxifylline.
6. Patients considered unable to participate appropriately in the study because of psychiatric disease, psychiatric symptoms, or other relevant conditions.
80
| 1st name | Zen |
| Middle name | |
| Last name | Watanabe |
Tohoku university graduate school of medicine
Department of perinatology
9808574
1-1 Seiryomachi, Aoba-ward, Sendai, Miyagi, 980-8574 Japan
0227177251
zen.watanabe.e8@tohoku.ac.jp
| 1st name | Zen |
| Middle name | |
| Last name | Watanabe |
Tohoku university graduate school of medicine
Department of perinatology
9808574
1-1 Seiryomachi, Aoba-ward, Sendai, Miyagi, 980-8574 Japan
0227177251
zen.watanabe.e8@tohoku.ac.jp
Tohoku university
Tohoku university
Other
Ethics Committee Tohoku University Graduate School of Medicine
2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
022-717-8007
zen.watanabe.e8@tohoku.ac.jp
NO
| 2026 | Year | 09 | Month | 01 | Day |
Unpublished
Preinitiation
| 2026 | Year | 09 | Month | 01 | Day |
| 2026 | Year | 10 | Month | 01 | Day |
| 2031 | Year | 07 | Month | 31 | Day |
| 2026 | Year | 08 | Month | 26 | Day |
| 2026 | Year | 08 | Month | 26 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071775