Progesterone Supplementation in Frozen Embryo Transfer Cycles
Assessing the Optimal Duration of Progesterone Supplementation Prior to Transfer of Frozen Embryos in the Recurrent Implantation Failure Population
Recurrent implantation failure (RIF) occurs after women undergo in vitro fertilization and have multiple embryos transferred but no resulting pregnancies. RIF is a very challenging clinical entity for the reproductive physician and the patient. In fact, there is not even an agreed upon definition in the medical community. Many potential causes have been investigated over the past several years but no clear answer has emerged. Interest has recently turned to the endometrium, or the lining of the uterus. Studies have shown that the genes that are turned on in the endometrium vary based on how long this tissue has been exposed to progesterone, an important hormone that prepares the uterine lining for implantation of the growing embryo. In some women, it seems that they require longer periods of progesterone exposure to reach the same state of readiness. We hypothesize that an even larger proportion of women in RIF population will require longer treatments with progesterone.
In this study, we will randomize women with RIF who are about to undergo a frozen embryo transfer to one of two groups. The first group will have their embryo transfer done on the standard sixth day of progesterone treatment. The other group will have their transfer done on the seventh day of progesterone. We will be comparing the clinical pregnancy rate of the two groups as well as the live birth rate and miscarriage rate. We expect that extending the progesterone treatment by one day will increase the pregnancy rate of women with RIF.
연구 개요
연구 유형
등록 (예상)
단계
- 해당 없음
연락처 및 위치
참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Patient at Mount Sinai Fertility who wants to undertake a frozen embryo transfer
- History of recurrent implantation failure, defined as no pregnancy after three or more embryo transfers of four or more good quality blastocysts
Exclusion Criteria:
- Previous testing with Endometrial Receptivity Assay (ERA)
- Unable understand/communicate in English
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
|
활성 비교기: Control Group
This arm of the study will have their frozen-thawed embryo transfer take place on the sixth day of progesterone supplementation (Prometrium), which is the standard protocol in our clinic.
|
The intervention will involve delaying the transfer of a frozen-thawed embryo into the uterus to increase the duration of progesterone exposure.
|
|
실험적: Experimental Group
This arm of the study will have their frozen-thawed embryo transfer take place on the seventh day of progesterone supplementation (Prometrium).
|
The intervention will involve delaying the transfer of a frozen-thawed embryo into the uterus to increase the duration of progesterone exposure.
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
clinical pregnancy rate
기간: 6 to 8 weeks after embryo transfer
|
Rate of pregnancy, evidenced by clinical (fetal heartbeat) or ultrasound parameters (ultrasound visualization of a gestational sac, embryonic pole with heartbeat).
It includes ectopic pregnancy.
|
6 to 8 weeks after embryo transfer
|
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Live birth rate
기간: Approximately 9 months after embryo transfer
|
Rate of birth in which a fetus is delivered with signs of life after complete expulsion or extraction from its mother, beyond 20 completed weeks of gestational age
|
Approximately 9 months after embryo transfer
|
|
Miscarriage rate
기간: Approximately 3 months after embryo transfer
|
Rate of natural death of embryo or fetus, after reaching clinical pregnancy stage and at or before 10 weeks gestation.
|
Approximately 3 months after embryo transfer
|
공동 작업자 및 조사자
연구 기록 날짜
연구 주요 날짜
연구 시작 (예상)
기본 완료 (예상)
연구 완료 (예상)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- 000 (기타 식별자: YCTG)
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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Prometrium에 대한 임상 시험
-
University of British Columbia알려지지 않은
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Kronos Longevity Research InstituteMayo Clinic; Albert Einstein College of Medicine; Yale University; Columbia University; Brigham... 그리고 다른 협력자들알려지지 않은