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Induction of follicle development in poor responder patients based on suppression of Hippo signaling

Induction of follicle development in poor responder patients based on suppression of Hippo signaling - Induction of follicle development in poor responder.

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000019204
Enrollment
200
Registered
2015-10-02
Start date
2015-10-01
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

Poor responder infertility patients

Interventions

1) Correct serum from the patients before surgery to measure molecular markers to ensure suppression of Hippo signaling. 2) Excise one side of whole ovary or partial ovarian tissues under laparoscopi
pouch. In some patients who have relatively better ovarian reserve, we directly cut ovarian cortex inside of the body or scratch ovarian cortex to induce physical stimulation to the ovary. From the co

Sponsors

Saint Mother Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: All following four features must be present: 1) Advanced maternal age (=>40 years) or any other risk factor for POR 2) A previous POR (<=3 oocytes with a conventional stimulation protocol) 3) An abnormal ovarian reserve test (i.e. AFC, 5-7 follicles or AMH, 0.5-1.1 ng/ml). 4) Married women

Exclusion criteria

Exclusion criteria: 1)Patients with severe ovarian dysfunction who can not retrieve oocytes after ovarian stimulation. 2)Patients with high risk for laparoscopy. 3)Patients who can not obtain written informed consent. 4)Patients judged to be inappropriate for the study by the physicians.

Design outcomes

Primary

MeasureTime frame
Comparison of the number of oocytes retrieved after ovarian stimulation with those of base line numbers.

Secondary

MeasureTime frame
Comparison of proportions of fertilization, pregnancy and abortion with those of base line levels. Comparison of the levels of molecular markers reflecting the results of Hippo signal suppression in ovarian tissues and serum before and after culture and grafting operation, respectively. Also, we count the number of secondary follicles in grafting tissues by histological analysis.

Countries

Japan

Contacts

Public ContactAtsushi Tanaka

Saint Mother Hospital

incho@stmother.com093-601-2000

Outcome results

None listed

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