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Multi-national, Multi-center, Randomized Controlled Trial to Evaluate the Clinical Utility of Non-invasive Endometrial Receptivity Test (Ora) in Patients With Implantation Failure

I

Inti Labs

Status

Enrolling

Conditions

Endometrial Receptivity
IVF
Non-invasive Testing
Implantation
microRNA
Window of Implantation

Treatments

Diagnostic Test: Window of Implantation

Study type

Interventional

Funder types

Industry

Identifiers

NCT06544837
IntiLabs

Details and patient eligibility

About

The adjustment of the timing of embryo transfer based on the endometrial receptivity profile and transferring embryo(s) of good quality with normal chromosomes (diagnosed by Preimplantation Genetic Testing for Aneuploidy, PGT-A) are the two main causes to improve the success of assisted reproduction treatments (ART). Previously, endometrial receptivity analysis was performed on women undergoing IVF treatment through an invasive endometrial tissue biopsy. The aim of this study is to determine the clinical benefits of ORA, a novel non-invasive endometrial receptivity test that determines the optimal time for embryo transfer through a blood draw instead of an invasive endometrial tissue biopsy. It is expected to recruit 1000 couples whose embryos will be analyzed by PGT-A and/or who are going to evaluate their endometrium expression profile for endometrial receptivity. The patients will be randomized into two groups, (1) Control group : undergoing PGT-A only; (2) Study group : the undergoing both PGT-A and ORA. ART will be performed based on the results of PGT-A and/or ORA. Reproductive success, such as implantation rates (IR), pregnancy rates (PR), ongoing pregnancy rates (OGP) and live birth rates (LBR) will be tracked and compared.

Preliminary results demonstrate that both PGT-A and ORA can contribute to reproductive success, improving implantation rates in patients with implantation failure. Our hypothesis suggests that PGT-A and ORA could improve the performance of ART in infertile patients.

Enrollment

1,000 estimated patients

Sex

Female

Ages

28 to 45 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Experienced implantation failure with euploid or low-level mosaic (< 30%) embryos in the past two years.
  • Female age 28-45 years.
  • Consent to undergo a simulated cycle for non-invasive optimal implantation window testing.
  • Plan to undergo a frozen embryo transfer cycle.
  • Have at least one euploid or low-level mosaic (< 30%) frozen blastocyst.

Exclusion criteria

  • Presence of uterine cavity abnormalities that may affect implantation, such as polyps, fibroids ≧4 cm, or hydrosalpinx
  • Presence of systemic diseases that may affect reproductive techniques (e.g., autoimmune diseases)
  • Body mass index (BMI) over 30 kg/m²

Trial design

Primary purpose

Health Services Research

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

1,000 participants in 2 patient groups

Control Group
No Intervention group
Description:
Embryo implantation according to standard procedures
Study Group
Experimental group
Description:
Embryo implantation according to test recommendations
Treatment:
Diagnostic Test: Window of Implantation

Trial documents
1

Trial contacts and locations

1

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Central trial contact

Winter Hong; Tiffany Wang

Data sourced from clinicaltrials.gov

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