NCT01841528

Brief Summary

Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women of childbearing age. However, the optimal infertility treatment for PCOS patients is still a matter of controversy. Despite producing more follicles and more oocytes than other women undergoing controlled ovarian hyperstimulation during an IVF cycle, women with PCOS have comparable or lower pregnancy rates. Additionally women with PCOS patients undergoing IVF have a higher risk of developing ovarian hyperstimulation syndrome (OHSS), which may be aggravated by pregnancy after an embryo transfer in a fresh cycle. Further women with PCOS are thought to have higher rates of later pregnancy complications including spontaneous abortion, pre-eclampsia, and preterm labor that may be related to impaired implantation in the superovulated endometrium. We propose a randomized clinical trial of elective embryo cryopreservation followed by a programmed cycle of endometrial preparation and frozen embryo transfer (FET) compared to fresh embryo transfer in women with PCOS undergoing in vitro fertilization (IVF).

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
1,180

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jun 2013

Typical duration for not_applicable

Geographic Reach
1 country

14 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 18, 2013

Completed
8 days until next milestone

First Posted

Study publicly available on registry

April 26, 2013

Completed
1 month until next milestone

Study Start

First participant enrolled

June 1, 2013

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2015

Completed
Last Updated

April 16, 2014

Status Verified

April 1, 2014

Enrollment Period

2 years

First QC Date

April 18, 2013

Last Update Submit

April 14, 2014

Conditions

Keywords

Polycystic Ovary SyndromeInfertilityIn-vitro fertilizationfresh embryo transferfrozen-thawed embryo transfer

Outcome Measures

Primary Outcomes (1)

  • live birth rate

    This will be based on the outcome of either the fresh embryo transfer after ovarian stimulation (Group A) or the outcome of the first frozen embryo transfer cycle (Group B) as will all other secondary outcomes.

    10 months for group A, 12 months for group B

Secondary Outcomes (8)

  • Ovarian hyperstimulation syndrome (OHSS) incidence

    2 months in maximum estimated

  • clinical pregnancy rate

    35 days after embryo transfer

  • Pregnancy Loss rate

    28 weeks gestation in maximum

  • ectopic pregnancy rate

    7~8 weeks gestation

  • singleton live birth rate

    10 months for group A, 12 months for group B

  • +3 more secondary outcomes

Study Arms (2)

fresh embryo transfer group

EXPERIMENTAL

rFSH/GnRH antagonist will be administered for ovarian stimulation. Two fresh embryos will be transferred at Day 3. Luteal phase support will last 2 weeks for all subjects in this group. Two weeks after embryo transfer, serum human chorionic gonadotropin (HCG) will be measured to determine pregnant or not. If biochemical pregnancy is achieved, luteal phase support will be continued to 10 weeks gestation. Pregnancy complications and final outcome will be followed up till 6 weeks after delivery.

Other: fresh embryo transfer

frozen-thawed embryo transfer group

EXPERIMENTAL

rFSH/GnRH antagonist will be administered for ovarian stimulation. All embryos will be vitrified in fresh cycle, and at least 2 embryos should be frozen at Day 3. Two months later, two thawed Day 3 embryos will be transferred with hormone replacement therapy (HRT) prepared endometrium. Luteal phase support will last 2 weeks for all subjects in this group. Two weeks after embryo transfer, serum human chorionic gonadotropin (HCG) will be measured to determine pregnant or not. If biochemical pregnancy is achieved, luteal phase support will be continued to 10 weeks gestation. Pregnancy complications and final outcome will be followed up till 6 weeks after delivery.

Other: frozen-thawed embryo transfer

Interventions

rFSH/GnRH antagonist will be administered for ovarian stimulation. Oocyte pick-up will be performed when at least two follicles ≥18mm. Two fresh embryos will be transferred at Day 3. Luteal phase support will last 2 weeks for all subjects in this group. Two weeks after embryo transfer, serum HCG will be measured to determine pregnant or not. If biochemical pregnancy is achieved, luteal phase support will be continued to 10 weeks gestation. Pregnancy complications and final outcome will be followed up till 6 weeks after delivery.

fresh embryo transfer group

rFSH/GnRH antagonist will be administered for ovarian stimulation. Oocyte pick-up will be performed when at least two follicles ≥18mm. All embryos will be vitrified in fresh cycle, and at least 2 embryos should be frozen at Day 3. Two months later, two thawed Day 3 embryos will be transferred with HRT (hormone replacement therapy) prepared endometrium. Luteal phase support will last 2 weeks for all subjects in this group. Two weeks after embryo transfer, serum HCG will be measured to determine pregnant or not. If biochemical pregnancy is achieved, luteal phase support will be continued to 10 weeks gestation. Pregnancy complications and final outcome will be followed up till 6 weeks after delivery.

frozen-thawed embryo transfer group

Eligibility Criteria

Age20 Years - 34 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Women diagnosed as PCOS according to Chinese PCOS diagnosis criteria;
  • Women who have ≥1 years history of infertility;
  • Women aged ≥20 and \<35 years old;
  • Women with body weight ≥40kg;
  • Women who have at least one of the following indications for IVF or ICSI:
  • Ovulation dysfunction and failed to become pregnant from ovulation induction treatment;
  • Tubal factors: unilateral or bilateral tubal obstruction, adhesion, unilateral or bilateral Salpingectomy or tubal ligation;
  • Male factors: oligoasthenozoospermia, obstructive azoospermia;
  • Women who are undergoing their first cycle of IVF or ICSI;
  • Women who retrieved oocytes number \> 3;
  • Women who are capable of giving informed consent.

You may not qualify if:

  • Women who underwent unilateral ovariectomy;
  • Women diagnosed as uterus abnormality: malformed uterus (uterus unicorns, septate uterus, duplex uterus, uterus bicomis), adenomyosis, submucous myoma, intrauterine adhesion;
  • Women or their partner with abnormal chromosome karyotype including chromosome polymorphism;
  • Women who have experienced recurrent spontaneous abortion (including biochemical pregnancy abortion) more than 2 times;
  • Women with medical condition that represent contraindication to assisted reproductive technology and/or pregnancy;
  • Women who has developed severe OHSS before oocyte pick-up day;
  • Women with retrieved oocytes number ≤3;
  • Women who are unable to comply with the study procedures.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (14)

The First Affiliated Hospital of Anhui Medical University

Hefei, Anhui, 230022, China

Location

The First Affiliated Hospital of Lanzhou University

Lanzhou, Gansu, 730000, China

Location

Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Guangzhou, Guangdong, 510120, China

Location

The sixth Affiliated Hospital of Sun Yat-Sen University

Guangzhou, Guangdong, 510655, China

Location

Guangxi Maternal and Child Health Hospital

Nanning, Guangxi, 530003, China

Location

Renmin Hospital of Wuhan University

Wuhan, Hubei, 430060, China

Location

Jiangsu Province Hospital

Nanjing, Jiangsu, 210029, China

Location

Jiangxi Maternal and Child Health Hospital

Nanchang, Jiangxi, 330006, China

Location

Reproductive Medicine Center in Shenyang City

Shenyang, Liaoning, 110000, China

Location

Reproductive medical hospital affiliated to Shandong University

Jinan, Shandong, 250001, China

Location

Yuhuangding Hospital in Yantai

Yantai, Shandong, 264000, China

Location

Renji Hospital affiliated to Shanghai Jiaotong University School of Medicine

Shanghai, Shanghai Municipality, 200127, China

Location

Shanxi Provincial Maternity and Children's Hospital

Xi’an, Shanxi, 710003, China

Location

Sir Run Run Shaw Hospital

Hangzhou, Zhejiang, 310016, China

Location

Related Publications (8)

  • [1] Boomsma CM, Eijkemans MJ, Hughes EG, et al. A meta-analysis of pregnancy outcomes in women with polycystic ovary syndrome. Hum Reprod Update 12:673-83,2006. [2] Hayashi M, Nakai A, Satoh S, et al. Adverse obstetric and perinatal outcomes of singleton pregnancies may be related to maternal factors associated with infertility rather than the type of assisted reproductive technology procedure used. Fertil Steril 98:922-928,2012. [3] Chen XK, Wen SW, Bottomley J, et al. In vitro fertilization is associated with an increased risk for preeclampsia. Hypertens Pregnancy 28:1-12,2009. [4] Thomopoulos C, Tsioufis C, Michalopoulou H, et al. Assisted reproductive technology and pregnancy-related hypertensive complications: a systematic review. J Hum Hypertens 27:148-57,2013. [5] Haavaldsen C, Tanbo T, Eskild A. Placental weight in singleton pregnancies with and without assisted reproductive technology: a population study of 536,567 pregnancies. Hum Reprod 27:576-82,2012. [6] Maheshwari A, Pandey S, Shetty A, et al. Obstetric and perinatal outcomes in singleton pregnancies resulting from the transfer of frozen thawed versus fresh embryos generated through in vitro fertilization treatment: a systematic review and meta-analysis. Fertil Steril 98:368-77 e1-9,2012. [7] Kalra SK, Ratcliffe SJ, Coutifaris C, et al. Ovarian stimulation and low birth weight in newborns conceived through in vitro fertilization. Obstet Gynecol 118:863-871,2011.

    BACKGROUND
  • Zaat T, Zagers M, Mol F, Goddijn M, van Wely M, Mastenbroek S. Fresh versus frozen embryo transfers in assisted reproduction. Cochrane Database Syst Rev. 2021 Feb 4;2(2):CD011184. doi: 10.1002/14651858.CD011184.pub3.

  • Wei D, Yu Y, Sun M, Shi Y, Sun Y, Deng X, Li J, Wang Z, Zhao S, Zhang H, Legro RS, Chen ZJ. The Effect of Supraphysiological Estradiol on Pregnancy Outcomes Differs Between Women With PCOS and Ovulatory Women. J Clin Endocrinol Metab. 2018 Jul 1;103(7):2735-2742. doi: 10.1210/jc.2018-00613.

  • Zhang B, Wei D, Legro RS, Shi Y, Li J, Zhang L, Hong Y, Sun G, Zhang T, Li W, Chen ZJ. Obstetric complications after frozen versus fresh embryo transfer in women with polycystic ovary syndrome: results from a randomized trial. Fertil Steril. 2018 Feb;109(2):324-329. doi: 10.1016/j.fertnstert.2017.10.020. Epub 2018 Jan 17.

  • Wei D, Zhang B, Shi Y, Zhang L, Zhao S, Du Y, Xu L, Legro RS, Zhang H, Chen ZJ. Effect of Preconception Impaired Glucose Tolerance on Pregnancy Outcomes in Women With Polycystic Ovary Syndrome. J Clin Endocrinol Metab. 2017 Oct 1;102(10):3822-3829. doi: 10.1210/jc.2017-01294.

  • Wei D, Shi Y, Li J, Wang Z, Zhang L, Sun Y, Zhou H, Xu Y, Wu C, Liu L, Wu Q, Zhuang L, Du Y, Li W, Zhang H, Legro RS, Chen ZJ. Effect of pretreatment with oral contraceptives and progestins on IVF outcomes in women with polycystic ovary syndrome. Hum Reprod. 2017 Feb;32(2):354-361. doi: 10.1093/humrep/dew325. Epub 2016 Dec 19.

  • Chen ZJ, Shi Y, Sun Y, Zhang B, Liang X, Cao Y, Yang J, Liu J, Wei D, Weng N, Tian L, Hao C, Yang D, Zhou F, Shi J, Xu Y, Li J, Yan J, Qin Y, Zhao H, Zhang H, Legro RS. Fresh versus Frozen Embryos for Infertility in the Polycystic Ovary Syndrome. N Engl J Med. 2016 Aug 11;375(6):523-33. doi: 10.1056/NEJMoa1513873.

  • Shi Y, Wei D, Liang X, Sun Y, Liu J, Cao Y, Zhang B, Legro RS, Zhang H, Chen ZJ. Live birth after fresh embryo transfer vs elective embryo cryopreservation/frozen embryo transfer in women with polycystic ovary syndrome undergoing IVF (FreFro-PCOS): study protocol for a multicenter, prospective, randomized controlled clinical trial. Trials. 2014 May 2;15:154. doi: 10.1186/1745-6215-15-154.

MeSH Terms

Conditions

Polycystic Ovary SyndromeInfertility

Condition Hierarchy (Ancestors)

Ovarian CystsCystsNeoplasmsOvarian DiseasesAdnexal DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital DiseasesGonadal DisordersEndocrine System Diseases

Study Officials

  • Zi-jiang Chen, MD

    Repreductive medical hospital affiliated to Shandong University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Director of Reproductive medical center of Shandong University

Study Record Dates

First Submitted

April 18, 2013

First Posted

April 26, 2013

Study Start

June 1, 2013

Primary Completion

June 1, 2015

Study Completion

June 1, 2015

Last Updated

April 16, 2014

Record last verified: 2014-04

Locations