- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03371745
The PrISICE Clinical Trial (Pre-Implantation Screening and Investigation on the Cryopreservation of Embryos) (PrISICE)
A Prospective, Randomized, Controlled Clinical Trial Evaluating the Superiority of Preimplantation Genetic Screening (PGS) and Deferred Transfer of Cryopreserved Embryos Over "Freeze-Only" Deferred Transfer Without PGS or Immediate Embryo Transfer During a "Fresh" In Vitro Fertilization Cycle
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This will be a multi-center, prospective randomized clinical trial comparing three standards of care:
Group 1: PGS-FET group: deferred transfer of day 5/6/7 (blastocyst stage) embryos cryopreserved following trophectoderm biopsy Group 2: "freeze-only" (FET) group: deferred transfer of frozen/thawed embryos without biopsy Group 3: "fresh" ET group: immediate transfer of "fresh" embryos in the stimulation cycle.
1539 eligible couples will be recruited to participate. Couples will be randomized at retrieval to undergo cryopreservation with deferred embryo transfer, with or without PGS, or fresh embryo transfer during the cycle of egg retrieval. Number of embryos to transfer will be based on clinical estimation of embryo quality and will not exceed ASRM guidelines for embryo transfer number including newly revised guidelines. We are aware that the number of embryos transferred, to maintain enrollment, may not be equivalent, with likely more embryos transferred in patients not having PGS. The primary outcome of live birth/retrieval, with a secondary outcome of healthy singleton birth, may reflect the true benefit of PGS.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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California
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San Francisco, California, United States, 94115
- University of California San Francisco
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Oklahoma
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Oklahoma City, Oklahoma, United States, 73104
- University of Oklahoma
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- University of Pennsylvania
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Scheduled to undergo in vitro fertilization for treatment of infertility (1st or 2nd "fresh" attempt); subject can have had no more than one prior failed "fresh" IVF cycle
Couple able to participate in a research project
- Able to understand study requirements
- Willing to sign informed consent
- Able to return for required follow-up
- Access to telephone
- Ability to read and write
- Normal uterine cavity evaluation within one year of enrollment
Exclusion Criteria:
- Medical conditions which may complicate treatment
- No plans to undergo embryo transfer
- Medical contraindication to the transfer of more than a single embryo (i.e. congenital uterine anomaly).
- Concurrent participation in any other interventional trial
- Recurrent pregnancy loss
- Known chromosomal abnormality (e.g. translocation)
- Pre-implantation genetic diagnosis requiring blastocyst biopsy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: PGS-FET
The PGS-FET arm involves deferred transfer of embryos following cryopreservation at the blastocyst stage following pre-implantation genetic screening.
This arm will culture embryos to day 5/6/7 (blastocyst stage).
The embryos will be cryopreserved following trophectoderm biopsy.
A subsequent frozen embryo transfer cycle will be performed during which 1 euploid (chromosomally normal) embryo will be thawed and transferred.
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Biopsy at blastocyst stage of trophectoderm cells for comprehensive evaluation of the eupolid status of the embryo.
Rapid freezing using vitrification
Transfer of embryo that has been cultured in vitro into the uterus
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Active Comparator: FET
The "Freeze only" arm involves the deferred transfer of embryos following cryopreservation.
In this arm embryos will be cryopreserved.
A subsequent frozen embryo transfer cycle will be performed during which one or more embryos will be thawed and transfered based on local clinical site, age-specific embryo number transfer guidelines.
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Rapid freezing using vitrification
Transfer of embryo that has been cultured in vitro into the uterus
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Active Comparator: Fresh
The Fresh arm will have an immediate embryo(s) transfer based on local clinical site, age-specific embryo number transfer guidelines within the stimulation cycle.
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Transfer of embryo that has been cultured in vitro into the uterus
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Live Birth
Time Frame: up to 9 months or time of birth
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The number of subjects who deliver a live born infant which will be calculated into a live born delivery rate.
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up to 9 months or time of birth
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Chair: Nanette Santoro, MD, University of Colorado, Denver
- Principal Investigator: Christos Coutifaris, MD PhD, University of Pennsylvania
- Principal Investigator: Marcelle I Cedars, MD, University of California, San Francisco
- Study Director: Esther Eisenberg, MD, Eunice Kennedy Shriver National Institue of Child Health and Human Development
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PrISICE
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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