Clinical trials: Frozen Embryos
Frozen Embryo Transfer, Polycystic Ovarian Disease
Letrozole Versus Hormonal Preparation in Frozen Cycles of PCOS Patients.
One of the indications of freezing is to reduce the risk of ovarian hyperstimulation syndrome particularly in polycystic ovarian disease (PCOS) women.
- Conditions
- Frozen Embryo Transfer, Polycystic Ovarian Disease, Letrozole, Hormone Replacement Therapy
- Trial name
- NCT05168865
- Testing
- Letrozole 2.5mg
- Sponsor
- Dubai Fertility Center
Embryo Transfer, IVF
Effect of Pentoxyfilline on Endometrial Thickness and Frozen Embryo Transfer Outcomes
The aim of this work was to investigate the effect of different vasodilators as pentoxifylline in women with unexplained infertility using IVF
- Conditions
- Embryo Transfer, IVF, Infertility
- Trial name
- NCT07499817
- Testing
- pentoxifylline 400 mg, (control)
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Beni-Suef University
Infertility
GnRH Antagonist to Prepare Recipients for Embryo Transfer
26% of all ART cycles performed in the USA in 2003 (CDC data) are frozen embryo transfers (FET) and transfer of embryos resulting from egg donation (ED) to recipients.
- Trial name
- NCT00460642
- Testing
- GnRH Antagonist (Cetrotide)
- Where
- 2 sites in United States
- Volunteers
- 130 people
- Sponsor
- Institute for Human Reproduction (IHR)
Pregnancy, In Vitro Fertilization
The Impact of Early Embryos Incubation on Pregnancy Rate in IVF
Frozen- thawed embryos obtained by IVF treatments are transferred to the uterus immediately following thawing or after incubation for additional 24-72 hours. The two methods are routine in IVF laboratories.
- Trial name
- IVF-2010 (NCT01287273)
- Where
- Israel
- Volunteers
- 660 people, healthy volunteers welcome
- Sponsor
- Martha Dirnfeld
Infertility, Female
Early Preparation With Gonadotropin- Releasing Hormon (GnRh) Agonists Injection With Frozen-Thawed Embryo Transfer?
The study intended to include >200 infertile women with impaired ovulation who will be subjected to HRT at D-21 of previous menstrual cycle (Group A) or D-1 of menses of replacement cycle (Group B).
- Trial name
- NCT03353883
- Testing
- Triptorelin SR
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Benha University
IVF/ICSI, Frozen Embryo Transfer
Cumulus Cell Mitochondrial Activity as a Non-invasive Marker of Embryo Quality (FLIM)
This study aims to test the extent of association of FLIM parameters of cumulus cells with clinical outcomes (clinical pregnancy, ongoing pregnancy at 12 weeks, and live birth) of the embryos that result from the enclosed oocytes.
- Conditions
- IVF/ICSI, Frozen Embryo Transfer, Cumulus Cell, Fluorescence Lifetime Imaging Microscopy
- Trial name
- NCT05332769
- Testing
- FLIM parameters
- Where
- Vietnam
- Volunteers
- 200 people
- Sponsor
- Mỹ Đức Hospital
Infertility
Evaluation of Blastocyst Morphology and Quality in Patients With Embryo Transfer at the Blastocyst Stage
In this prospective study, the investigators aim to investigate the role of trophectoderm cells and inner cell mass cells on pregnancy outcomes in blastocyst transferred in-vitro fertilization pregnancy.
- Trial name
- NCT05510557
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Akdeniz University
Primary Infertility, Secondary Infertility
LANDA Embryo Freezing Technique.
The aim of this study is to track the outcome from the patients who had embryo cryopreservation as part of their Advanced Reproductive Technology (ART) treatment at West Coast Fertility Centers.
- Conditions
- Primary Infertility, Secondary Infertility, Genital Diseases, Male, Genital Diseases, Female
- Trial name
- Freezing (NCT01271400)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- West Coast Fertility Centers
IVF, Frozen Embryo Transfer
A Randomized Trial Comparing the Live Birth Rate of Immediate Versus Delayed FET Following a Freeze-all Strategy
This randomized trial we aim to compare the live birth rate of immediate versus delayed FET replacing a single blastocyst in the first FET of the first stimulated IVF cycle following.
- Trial name
- FET (NCT04371783)
- Testing
- Immediate FET, Delayed FET
- Where
- China
- Volunteers
- 828 people
- Sponsor
- ShangHai Ji Ai Genetics & IVF Institute
Infertility, Microbiome
Frozen Embryo Transfer Pregnancy Outcomes Prediction by Microbiome and Transcriptome
This study intends to explore the correlation between cervical microbiome, gut microbiome, transcriptome and pregnancy outcomes of frozen embryo transfer patients through a multicenter prospective observational study, and to…
- Trial name
- NCT05545631
- Testing
- no intervention
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Shengjing Hospital
Embryo Transfer
Natural Versus Artificial Cycle for Frozen-Thawed Embryo Transfer
This study evaluates clinical pregnancy rates, obstetrical outcome parameters, costs and patient preferences in natural cycle versus artificial cycle frozen embryo transfers (FET).
- Trial name
- NAFT (NCT03642665)
- Testing
- Natural cycle, Estradiol Valerate, Micronized progesterone
- Where
- Belgium
- Volunteers
- 554 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
IVF
Effect of Tadalafil, Sildenafil and Pentoxyfylline on Frozen Embryo Transfer Outcomes
The aim of this study is to investigate the Effect of different vasodilators as Tadalafil, Sildenafil and pentoxyfylline in In vitro Fertilization.
- Trial name
- NCT05971667
- Testing
- tadalafil, Sildenafil, pentoxifylline
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Beni-Suef University
Progesterone Supplementation
Optimal Length of Progesterone Supplementation Before the Transfer of Cryopreserved (Frozen)-Thawed Day 3 Embryos in an Artificial Cycle With Exogenous Estrogen and Progesterone
Cryopreserved-thawed embryos are often replaced in an artificial cycle, in which the endometrium is prepared by exogenous estrogen and progesterone with or without the use of GnRH agonist downregulation.
- Trial name
- PROFETA-3 (NCT01940653)
- Testing
- Progesterone
- Where
- Belgium
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Infertility, Female
Progesterone-modified Natural Cycle for FET
Hormone replacement therapy (HRT) cycles, despite the ease of synchronizing embryo thawing and embryo transfer timing, increase the risk of pregnancies and obstetric complications compared to natural cycles (NC).
- Trial name
- COMPROSET (NCT06644794)
- Testing
- Progesterone-modified natural cycle preparation for frozen embryo transfer, Hormone replacement therapy cycle preparation for frozen embryo transfer
- Where
- China
- Volunteers
- 336 people
- Sponsor
- Shandong University of Traditional Chinese Medicine
Preimplantation Genetic Testing (PGT), Frozen Embryo Transfer Cycle
Effects of Trophectoderm (TE) Biopsy on the Health and Development of Children Born After Preimplantation Genetic Testing (PGT) Cycles.
This study aims to investigate the effects of trophectoderm (TE) biopsy on the health and development of children born after preimplantation genetic testing (PGT) cycles.
- Conditions
- Preimplantation Genetic Testing (PGT), Frozen Embryo Transfer Cycle, Assisted Reproduction Technologies, Postnatal Health
- Trial name
- NCT07349966
- Testing
- Questionnaire
- Where
- Italy
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Assisted Reproductive Technology, Freezing/Thawing Procedure
Study of the Impact of Freezing-thawing Procedures and the Prolonged Culture of Embryos on Epigenetic Regulation in Humans
For this project, 4 groups of 38 infants have been created so as to evaluate the impact of Assisted-Reproduction Technology (ART) and more particularly the two procedures classically used in ART: the freezing/thawing of embryos…
- Conditions
- Assisted Reproductive Technology, Freezing/Thawing Procedure, Prolonged Culture Procedure
- Trial name
- NCT02171884
- Testing
- Sample of cord blood, Sample of placenta
- Where
- 2 sites in France
- Volunteers
- 298 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Pregnancy
Down-regulated Hormonally Controlled Cycles for Vitrification-warmed Blastocyst Transfers
Currently all patients that have freeze-all ICSI treatment cycles have the start of their FET cycle scheduled with the use of OCP.
- Trial name
- NCT02238431
- Testing
- Lucrin depot, OCP, Natural
- Where
- Turkey (Türkiye)
- Volunteers
- healthy volunteers welcome
- Sponsor
- Antalya IVF
Infertility
Vitamin D Deficiency and Pregnancy Rates in Women Undergoing Frozen Embryo Transfer
Vitamin D receptors are present and differently expressed in murine endometrium and ovary throughout the estrous cycle , whereas knock-out experiments have shown that vitamin D receptor null mice experience uterine hypoplasia and…
- Trial name
- NCT01985672
- Testing
- Frozen embryo transfer
- Where
- Belgium
- Volunteers
- 280 people
- Sponsor
- Universitair Ziekenhuis Brussel
Adenomyosis, IVF
Artificial Cycle With or Without GnRH Agonist Pre-treatment for Frozen Embryo Transfer in Adenomyosis Patients
This randomized clinical trial aims to assess the comparative effectiveness of two distinct endometrial preparation protocols for frozen embryo transfer (FET) among women with adenomyosis undergoing IVF/ICSI.
- Conditions
- Adenomyosis, IVF, Frozen Embryo Transfer
- Trial name
- FET-ADE (NCT06239376)
- Testing
- GnRHa+AI - AC, Artificial cycle
- Where
- Vietnam
- Volunteers
- 222 people
- Sponsor
- Mỹ Đức Hospital
Fertility
Natural Cycle Versus Stimulated Cycle Before Frozen Embryo Transfer
Embryo freezing is a technique used regularly to optimize the pregnancy rate in case of infertility. This method is performed in presence of supernumerary embryo(s) after fresh transfer, or after freeze all embryos in case of…
- Trial name
- SONTEC (NCT02834117)
- Testing
- natural cycle, moderate ovarian stimulation
- Where
- France
- Volunteers
- 124 people
- Sponsor
- Dr Massin Nathalie