NIPH Clinical Trials Search

JAPANESE
国立保健医療科学院
UMIN ID: UMIN000056687

Registered date:10/01/2025

The Effect of Letrozole Cotreatment on Poor Responses in Ovarian Stimulation with Follitropin Delta: A Strategy for 'High AMH but Poor Response'

Basic Information

Recruitment status Complete: follow-up continuing
Health condition(s) or Problem(s) studiedinfertility
Date of first enrollment2021/10/01
Target sample size150
Countries of recruitmentJapan
Study typeInterventional
Intervention(s)2.5 mg of letrozole was orally administered daily for 5 days starting from the day follitropin delta was administered. Follitropin delta alone

Outcome(s)

Primary OutcomeThe poor response rate of the number of oocytes retrieved
Secondary OutcomeThe total dosage of follitropin dela and the duration of administration

Key inclusion & exclusion criteria

Age minimum18years-old
Age maximum43years-old
GenderFemale
Include criteria
Exclude criteria(1) the presence of ovarian cysts that made oocyte puncture difficult, (2) initiation of injections outside of days 2-4 of the menstrual cycle, and (3) presence of uterine fibroids (myoma uteri) that interfered with oocyte puncture.

Related Information

Contact

public contact
Name Hiromasa Kuroda
Address 7th floor, ZENT Shinsaibashi, 4-3-2 Minami-semba, Chuo-ku, Osaka-city, Osaka-prefecture, Japan Japan 542-0081
Telephone 06-6281-8801
E-mail kuroda@haruki-cl.com
Affiliation Haruki Ladies Clinic The medical office
scientific contact
Name Hiromasa Kuroda
Address 7th floor, ZENT Shinsaibashi, 4-3-2 Minami-semba, Chuo-ku, Osaka-city, Osaka-prefecture, Japan Japan
Telephone 06-6281-8801
E-mail kuroda@haruki-cl.com
Affiliation Haruki Ladies Clinic The medical office