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Japanese study of the outcome of hormonally controlled FET cycles using OneCrinone as luteal support

Japanese study of the outcome of hormonally controlled FET cycles using OneCrinone as luteal support - J-FOCAL study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000031115
Enrollment
180
Registered
2018-02-02
Start date
2018-03-19
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

Infertility

Interventions

Management of FET schedules

Sponsors

Clinical Research Support Center Kyushu
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1)Japanese race 2)Patients wishing to undergo FET 3)Women with transplantable frozen blastocysts (blastocysts classified to grades other than C) who are indicated for FET in hormone replacement cycles 4)Healthy premenopausal woman under 42 years of age at the time of ET and wishing to conceive 5)Normal cervical cytology within 12 months prior to the date of informed consent [cervical cytology: Negative for Intraepithelial Lesion or Malignancy (NILM) or Atypical Squamous Cells of Undetermined Significance (ASC-US) and Human Papillomavirus (HPV) negative]. The test results can be reported by patients themselves (results must be recorded in the medical record). If results are not available, or if cytology was not performed during this period, cervical cytology and HPV test, if needed, will be performed during the screening period. 6)Written informed consent for participation obtained from the patient 7)First-time participation in this study

Exclusion criteria

Exclusion criteria: 1)Natural ovulation may be expected (mature follicles observed). 2)History of recurrent pregnancy loss (defined as 3 or more previous spontaneous abortions) 3)History of 3 or more consecutive cancelled or failed (no clinical pregnancy) ET cycles. 4)Underwent ovarian stimulation using clomiphene citrate in the previous cycle and not having menstruation following oocyte retrieval. 5)Abnormal hemorrhage of the reproductive tract of undetermined origin 6)Any contraindication to being pregnant and/or carrying a pregnancy to term 7)Endometriosis, uterine myoma, adenomyosis uteri, or uterine polyps requiring treatment 8)Extra-uterine pregnancy within the last 3 months prior to the date of informed consent 9)Ovarian enlargement or cyst of unknown etiology 10)Breast-feeding or lactation 11)Known Human Immunodeficiency Virus (HIV)-positive status, or a history of or current active infection with Hepatitis B or C. 12)History of allergy or hypersensitivity to progesterone preparations and/or their excipients, or any contraindication to receive progesterone preparations 13)History of or suspected alcohol or substance abuse within 5 years prior to the date of informed consent 14)Active thrombophlebitis, thromboembolic disorder or cerebral stroke, or a history of such conditions. 15)Judged as ineligible in the opinion of the site investigator or investigator.

Design outcomes

Primary

MeasureTime frame
Clinical pregnancy rate per FET

Secondary

MeasureTime frame
Biochemical pregnancy rate per FET,Early miscarriage rate,Bleeding rate,Ongoing pregnancy rate,Safety

Countries

Japan

Contacts

Public ContactResearch Secretariat J-FOCAL study

Clinical Research Support Center Kyushu (CReS Kyushu) J-FOCAL study Research Secretariat

j-focal@cres-kyushu.or.jp092-631-2920

Outcome results

None listed

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