Clinical Usefulness of an image Analysis system called ICSI POSITION DETETOR (IPD) for Oocytes with Unintended Membrane Rupture during ICSI.

Identification of the optimal puncture position by a real time image analysis can reduce oocyte degeneration in Piezo intracytoplasmic sperm injection - Optimal puncture position of Piezo ICSI

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000048367

Enrollment

200

Registered

2022-07-28

Start date

2022-09-05

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Oocyte degeneration

Interventions

One of the problems during intracytoplasmic sperm injection (ICSI) procedure is unintentional membrane rupture (UMR) which often predisposes to subsequent oocyte degeneration. We reported that the ool

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Consenting infertile patients with two or more mature oocytes retrieved

Exclusion criteria

Exclusion criteria: impairment of fertilization cases

Design outcomes

Primary

Measure	Time frame
Rates of unintentional membrane rupture, degeneration of the oocytes, and embryonic development.	—

Countries

Japan

Contacts

Public ContactTOMOHIRO MAEKAWA

Reproduction Clinic Tokyo Culture Department

tmaekawa@reptokyo.jp03-6228-5351

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026