NIPH Clinical Trials Search

JAPANESE
JRCT ID: jRCT1040250208

Registered date:18/03/2026

Research on Improving EV Quality

Basic Information

Recruitment status Pending
Health condition(s) or Problem(s) studiedIVF patients
Date of first enrollment18/03/2026
Target sample size30
Countries of recruitment
Study typeObservational
Intervention(s)

Outcome(s)

Primary OutcomeApoptosis in blastocysts (percentage of TUNEL-positive cells)
Secondary Outcome1. Embryonic development 2. Exploratory analysis using RNA-seq (discarded frozen embryos from normal fertilization only) 3. Metabolic stress markers (discarded frozen embryos from normal fertilization only)

Key inclusion & exclusion criteria

Age minimum>= 18age old
Age maximum< 50age old
GenderBoth
Include criteria1. Individuals whose patient background (age, treatment history, egg retrieval conditions, etc.) can be verified through medical records 2. For abnormal embryos, individuals for whom written consent for research use was obtained prior to egg retrieval 3. For normal embryos, individuals for whom the embryos became unnecessary after treatment concluded, and for whom written consent for research use was obtained after the decision to discard them was made 4. Individuals for whom written consent to participate in the study was obtained
Exclude criteria1. Individuals whom the principal investigator or a co-investigator deems unsuitable for inclusion in the study

Related Information

Contact

Public contact
Name Hiroki Erina Takeuchi
Address 2-174 Edobashi, Tsu city, Mie 514-8507 Mie Japan 514-8507
Telephone +81-592321111
E-mail h-takeuchi@med.mie-u.ac.jp
Affiliation Mie university Hospital
Scientific contact
Name Eiji Kondo
Address 2-174 Edobashi, Tsu city, Mie 514-8507 Mie Japan 514-8507
Telephone +81-592321111
E-mail eijiko@med.mie-u.ac.jp
Affiliation Mie university Hospital