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Trial Detail

CUHK_CCRB00578

2018-01-12

Prospective

2016.673

nil

nil

nil

Not Applicable

Ms YIU Yun Sang, Sandy

1F, 1 Floor, EF block (special block), Department of OG, Prince of Wales Hospital, Shatin, N.T.

3505 1764

yunsangyiu@cuhk.edu.hk

Department of OG

Hong Kong

Prof Mak Sze Man Jennifer

1F, 1 Floor, EF block (special block), Department of OG, Prince of Wales Hospital, Shatin, N.T.

3505 2800

jennifermak@cuhk.edu.hk

Department of OG

Hong Kong

A study to compare the endometrial features of women who did and did not benefit from endometrial scratch in the cycle preceding frozen embryo transfer

A study to compare the endometrial features of women who did and did not benefit from endometrial scratch in the cycle preceding frozen embryo transfer

評估冷凍胚胎移植前子宮內膜搔刮對婦女子宮內膜特征影響之研究

Hong Kong

Yes

2017-01-26

Joint CUHK-NTEC Clinical Research Ethics Committee

2016.673

infertility

endometrial features

Procedure

Several meta-analysis and a recent report from Cochrane database suggested that Mechanical endometrial injury (biopsy/scratch or hysteroscopy) performed sometime during the month before the start of ovarian stimulation could improve the chances that a woman will achieve live birth and clinical pregnancy although a recent RCT suggested endometrial injury in unselected subfertile women undergoing IVF did not appear to be beneficial. Consequently, it is necessary to identify and evaluate which group of women would benefit from endometrial scratch prior to IVF-ET treatment. In particular, there have been several RCTs examining the value of endometrial scratch in the luteal phase in women with unexplained RIF. Because of the difference in the method and timing used for inducing injury, there is considerable heterogeneity in the studies. The overall conclusion of these studies suggests that endometrial scratch is beneficial in women with RIF but should be carried out around the time of embryo implantation, and endometrial scratch could simply be performed by the use of a pipelle endometrial biopsy sampler. Several recent systematic reviews and meta-analyses showed a significant improvement in clinical pregnancy rate after endometrial scratch in women with RIF but suggested further robust randomized trials.

Nil

Nil

once

Luteinization Hormone (LH) surge + 7 days

Nil

Nil

Nil

Nil

Nil

Women undergoing frozen embryo transfer cycles who fulfilled the diagnostic criteria for recurrent implantation failure

Women older than 40 years

Women who have any uterine anomaly or intrauterine pathology such as: Endometrial polyp

Large fibroid with a diameter >4 cm

Visible hydrosalpinx on transvaginal ultrasound scans

BMI >35

18

40

Female

Observational

Not Applicable

Not Applicable

Not Applicable

Not Applicable

Other

This is not a drug trial

2018-01-18

120

Recruiting

examine uterine endometrial markers and association with subsequent IVF outcome

Endometrial biopsy for immunohistochemistry, immunofluorescence and transcriptome study

LH + 7 days

nil

nil

nil

No

2020-07-06

ChiCTR1800014443

2018-01-12

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