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Clinical Trial Summary

The investigators propose to perform a clinical randomized trial to evaluate the effect of single embryo (blastocyst) transfer (SET) with array CGH for the evaluation of the complete chromosome complement of the blastocyst in comparison to standard ART methods in which one or more embryo are replaced. Patients will be randomized into two groups:

- Control group: patients will have up to two embryos replaced on day 5 based on morphological and developmental characteristics, and the other embryos reaching blastocyst stage will be vitrified. If patients in the control group do not have a pregnancy to term from that fresh cycle, they will be offered free PGD either for the frozen embryos of that cycle or for the next cycle (up to the center and patient). Data from that PGD is not part of the study.

- Test group: patients will have grade A,B or C blastocysts hatched on day 5, biopsied on day 5, analyzed by array CGH, and a single euploid embryo transferred on day 6. Any morulas developing to grade A,B or C blastocyst on day-6 will be also analyzed but vitrified for use in a future cycle.


Clinical Trial Description

Patients will be randomized after fertilization, and will be dropped from the study if they produce 3 or less blastocysts on day 5. The Primary efficacy endpoint of comparing the study group with the control will be (I) implantation rates and (II) multiple pregnancies (twin or higher order) comparing the first transfer.

The study may be extended to evaluate secondary efficacy endpoints which will be miscarriage rate and take home baby rates comparing the two groups. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Screening


Related Conditions & MeSH terms


NCT number NCT01546350
Study type Interventional
Source Reprogenetics
Contact
Status Suspended
Phase Phase 2
Start date March 2012
Completion date June 2014

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