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Frozen Embryo Transfer (FET) in Natural Cycles or in Natural Cycles Controlled by Human Chorionic Gonadotropin (hCG) Administration (FRET)

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00809107
First Posted: December 17, 2008
Last Update Posted: February 19, 2009
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Universitair Ziekenhuis Brussel
  Purpose
The rational of the study is to assess the implantation, pregnancy and live birth rates after the transfer of frozen- thawed embryos in natural cycles with spontaneous Luteinizing Hormone (LH)/Progesterone rise or in natural cycles controlled by human chorionic gonadotropin (hCG) for final oocyte maturation and ovulation.

Condition Intervention
Infertility Drug: HCG

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Cryopreserved-Thawed Embryo Transfer in Natural Cycle or in Natural Cycles Controlled by External Administration of hCG: a Prospective Randomized Study

Resource links provided by NLM:


Further study details as provided by Universitair Ziekenhuis Brussel:

Primary Outcome Measures:
  • Implantation rate [ Time Frame: 2 years ]

Secondary Outcome Measures:
  • Ongoing pregnancy rate [ Time Frame: 2 years ]

Estimated Enrollment: 150
Study Start Date: October 2006
Study Completion Date: January 2009
Primary Completion Date: July 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
HCG GROUP
Drug: HCG
5000IU
Other Name: pregnyl
No Intervention: 2
LH pick

  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   17 Years to 40 Years   (Child, Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • age <40
  • BMI:18-29Kg/m2
  • day 3 embryo transfers
  • previously IVF or ICSI

Exclusion Criteria:

  • irregular cycles
  • oocyte donation cycles
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00809107


Locations
Belgium
Centre of Reproductive Medicine
Brussel, Belgium, 1090
Sponsors and Collaborators
Universitair Ziekenhuis Brussel
  More Information

Publications:
Responsible Party: Kyrou Dimitra, centre of reproductive medicine-UZ
ClinicalTrials.gov Identifier: NCT00809107     History of Changes
Other Study ID Numbers: TC3471
First Submitted: December 16, 2008
First Posted: December 17, 2008
Last Update Posted: February 19, 2009
Last Verified: February 2009

Keywords provided by Universitair Ziekenhuis Brussel:
natural cycle
FET
spontaneous LH pic
HCG

Additional relevant MeSH terms:
Infertility
Genital Diseases, Male
Genital Diseases, Female
Chorionic Gonadotropin
Reproductive Control Agents
Physiological Effects of Drugs


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