NCT03504345

Brief Summary

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.

Trial Health

35
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
240

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started May 2018

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 12, 2018

Completed
8 days until next milestone

First Posted

Study publicly available on registry

April 20, 2018

Completed
11 days until next milestone

Study Start

First participant enrolled

May 1, 2018

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2019

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2019

Completed
Last Updated

April 20, 2018

Status Verified

April 1, 2018

Enrollment Period

11 months

First QC Date

April 12, 2018

Last Update Submit

April 12, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • clinical pregnancy rate

    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

Secondary Outcomes (2)

  • Live birth rate

    Approximately 9 months after embryo transfer

  • Miscarriage rate

    Approximately 3 months after embryo transfer

Study Arms (2)

Control Group

ACTIVE COMPARATOR

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.

Drug: Prometrium

Experimental Group

EXPERIMENTAL

This arm of the study will have their frozen-thawed embryo transfer take place on the seventh day of progesterone supplementation (Prometrium).

Drug: Prometrium

Interventions

The intervention will involve delaying the transfer of a frozen-thawed embryo into the uterus to increase the duration of progesterone exposure.

Control GroupExperimental Group

Eligibility Criteria

Age18 Years - 55 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • 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

You may not qualify if:

  • Previous testing with Endometrial Receptivity Assay (ERA)
  • Unable understand/communicate in English

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Infertility

Interventions

Progesterone

Condition Hierarchy (Ancestors)

Genital DiseasesUrogenital Diseases

Intervention Hierarchy (Ancestors)

PregnenedionesPregnenesPregnanesSteroidsFused-Ring CompoundsPolycyclic CompoundsCorpus Luteum HormonesGonadal HormonesHormonesHormones, Hormone Substitutes, and Hormone AntagonistsProgesterone CongenersGonadal Steroid Hormones

Central Study Contacts

Crystal Chan, MD, MSc, FRCSC

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Clinician Investigator, Assistant Professor, Department of Obstetrics & Gynaecology

Study Record Dates

First Submitted

April 12, 2018

First Posted

April 20, 2018

Study Start

May 1, 2018

Primary Completion

April 1, 2019

Study Completion

July 1, 2019

Last Updated

April 20, 2018

Record last verified: 2018-04

Data Sharing

IPD Sharing
Will not share