Clinical trials: Frozen Thawed Embryo Transfer
Embryo Transfer, Luteal Support
Modified Luteal Support for Frozen-Thawed Embryo Transfer - A Prospective Study
This study evaluates the outcomes of frozen-thawed embryo transfer (FET) success rate with modified luteal support - addition of a single injection of HCG and GnRH-agonist, on day of ET and 4 days later, respectively vs.
- Trial name
- NCT02825290
- Testing
- Choriogonadotropin alfa, Triptorelin acetate
- Where
- Israel
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
FET
Reduced Oestrogen Dosage to Improve the Outcome of Frozen-thawed Embryo Transfer
This study is a single-center, randomized, controlled prospective study. Those who will recieve hormone replacement therapy-frozen thawed embryo transfer (HRT-FET) are enrolled in the study.
- Trial name
- NCT05545592
- Testing
- Low oestrogen dosage
- Where
- China
- Volunteers
- 660 people, healthy volunteers welcome
- Sponsor
- Nanjing University
Infertility
Natural Cycle/Progesterone Fortified Protocol for Endometrial Preparation for Frozen/Thawed Embryo Transfer
This is a pilot study of a novel protocol for preparation of the endometrium for frozen/thawed embryo transfer whereby estrogen is not administered during the proliferative phase and progesterone is administered through vaginal…
- Trial name
- NCT02749344
- Testing
- FET after endometrial preparation
- Where
- Israel
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- HaEmek Medical Center, Israel
Infertility
Assesment of Embryo Viability and Re-expansion After Thawing in Blastocyst Stage Embryos
In this prospective study, the possible effects of embryo viability and degree of blastocele re-expansion on pregnancy outcomes before vitrified/thawed blastocyst transfer will be evaluated.
- Trial name
- NCT05474833
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Akdeniz University
Infertility
A Study:the Different Outcomes Between Natural Cycle and Hormone Replacement Cycle in FET
There are three main cycle regimens used for endometrial preparation for frozen embryo transfer（FET）: natural cycles (NC) with/without ovulation triggering, hormone replacement therapy cycles (HRT) in which the endometrium is…
- Trial name
- NCT01780558
- Testing
- natural cycles, estradiol and progesterone
- Where
- China
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Infertility, IVF
Effects of E2, P4 and LH Levels on the Day of Transfer and Endometrial Cavity Thickness on Implantation Success in Patients With Frozen-thawed Embryo Transfer Cycle
Thanks to recent advances in clinical practice and laboratory, embryo cryopreservation has become the first-line procedure in assisted reproductive technology.
- Conditions
- Infertility, IVF, Progesterone
- Trial name
- NCT04769401
- Testing
- Normal Progesterone group, Low Progesterone group
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 238 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Infertility, Female, Infertility of Uterine Origin
Progesterone Levels and Endometrial Compaction in Frozen-Thawed Embryo Transfer Cycles
This study is intended to determine whether there is a correlation between endometrial compaction and serum progesterone levels on the day of frozen embryo transfers by using transvaginal sonography for the endometrial assessment.
- Conditions
- Infertility, Female, Infertility of Uterine Origin, Implantation; Placenta
- Trial name
- NCT04554654
- Testing
- transvaginal ultrasound,
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Cem Demirel
Endometrium, Laser
Intravenous Laser Irradiation Effect on Treatment Resistant Thin Endometrium
We will recruit 30 poor ovarian responders and thin endometrium patients, aged 35-45 year old, and treat with intravascular laser irradiation of blood (ILIB) via an intravenous catheter for irradiation of the blood under a period…
- Trial name
- NCT03081130
- Testing
- Intravenous laser irradiation treatment
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Veterans General Hospital.
Embryo Transfer, Fertilization in Vitro
Does Sexual Intercourse Affect the Outcomes of Frozen-thawed Embryo Transfer?
The goal of this clinical trial is to test whether sexual intercourse the night after embryo transfer affects thawed embryo implantation rates.
- Conditions
- Embryo Transfer, Fertilization in Vitro, Coitus
- Trial name
- NCT06134609
- Testing
- Sexual intercourse
- Where
- Israel
- Volunteers
- 656 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Infertility, Female, Infertility, Male
Oral Dydrogesterone vs. Micronized Vaginal Progesterone for Luteal Phase Support in Frozen-thawed Embryo Transfer Cycles
The aim of this randomized controlled trial is to compare the efficacy of oral dydrogesterone vs. micronized vaginal progesterone for luteal phase support in frozen-thawed embryo transfer cycles.
- Conditions
- Infertility, Female, Infertility, Male, Embryo Transfer, Fertilization in Vitro
- Trial name
- NCT04124913
- Testing
- Dydrogesterone 10 MG Oral Tablet, Progesterone Vaginal Gel [Crinone]
- Where
- Turkey (Türkiye)
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Memorial Sisli Hospital, Istanbul
Infertility, Female Infertility
the Effect of Endometrial Compaction Caused by Progesterone Effect on Pregnancy Outcomes
The purpose of this prospective cohort study is to assess the effect of endometrial compaction caused by progesterone effect on pregnancy outcomes
- Conditions
- Infertility, Female Infertility, Frozen-thawed Embryo Transfer
- Trial name
- NCT04733235
- Testing
- Progesterone
- Where
- Turkey (Türkiye)
- Volunteers
- 205 people, healthy volunteers welcome
- Sponsor
- Akdeniz University
Endometrial Preparation, Frozen Embryo Transfer
Effect of Adding Sildenafil to Protocol of Endometrial Preparation in Outcome of Frozen-thawed Embryo Transfer Cycles
The target of this study was an estimate the result of sildenafil on ultrasonographic endometrial thickness, endometrial pattern investigation estrogen level on the day of progesterone administration, Implantation rate and…
- Trial name
- sildenafil (NCT01668446)
- Testing
- Sildenafil, estradiol valerat
- Where
- Iran
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- farzaneh hojjat
Implantation; Placenta, Pregnancy Loss
Luteal Support in Frozen-Thawed Embryo Transfer Cycles
This study evaluates the clinical efficacy of 3 different luteal phase support in patients undergoing frozen-thawed embryo transfer cycles. Endometrium preparation will be hormone replacement in all cycles.
- Conditions
- Implantation; Placenta, Pregnancy Loss, Frozen Embryo, Luteal Support
- Trial name
- NCT03948022
- Testing
- Dydrogesterone 10Mg Tablet (duphaston), Progesterone 50Mg/mL Oil, Crinone 8% Vaginal Gel
- Where
- Turkey (Türkiye)
- Volunteers
- 151 people, healthy volunteers welcome
- Sponsor
- Centrum Clinic IVF Center
IVF
Serum Progesterone on the Day of Thawed Embryo Transfer and Pregnancy Rate After an Artificial Endometrial Preparation
To determine if different serum Progesterone levels on FET day are associated with different clinical pregnancy rates (CPR), and if increasing dosage of vaginal Progesterone in cases of lower serum Progesterone level on FET day…
- Trial name
- NCT04278508
- Testing
- Progesterone
- Where
- Israel
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
In Vitro Fertilization
Replacement of Fresh Embryo Transfers (ETs) by Frozen Embryo Transfers (FETs) Using Vitrification
Cryopreservation of all embryos and transferring them subsequently in assisted reproductive technology (ART) cycles to improve outcome.
- Trial name
- NCT00823121
- Testing
- freezing embryos by vitrification, fresh embryo transfers, buserelin
- Where
- Iran
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Yazd Research & Clinical Center for Infertility
ART
Oral Dydrogesterone vs. Vaginal Micronized Progesterone for Luteal Phase Support in Frozen-thawed Embryo Transfer
The current trial is intended to assess the efficacy of oral versus vaginal progesterone for luteal support in frozen IVF cycles.
- Trial name
- NCT03832699
- Testing
- Dydrogesterone 10 MG, Endometrin 100Mg Vaginal Insert
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wolfson Medical Center
Thin Endometrium
a-PRP Intrauterine Instillation in Women With Thin Endometrium
This study sought to compare the endometrial thickness among infertile women with a history of thin endometrium together with previous cancellation from IVF/ICSI inspection of intrauterine instillation of autologous-PRP or no…
- Trial name
- PRP(a-PRP) (NCT06234540)
- Testing
- PRP, Standard treatment
- Where
- Thailand
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Infertility Assisted Reproductive Technology
Association Between Serum Progesterone Levels on Embryo Transfer Day and Clinical Pregnancy in Frozen-thawed Embryo Transfer Cycles Using Hormone Replacement Therapy
A retrospective evaluation of routinely collected clinical, embryological, laboratory, and pregnancy outcome data provides an efficient approach to examine the association between serum progesterone on the day of FET and clinical…
- Trial name
- NCT07858227
- Testing
- data collection
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Endometrium
The Effect of Tamoxifen on Clinical Outcome in Women With Thin Endometrium Undergoing Frozen Thawed Cycle.
Cryopreservation of embryos created during fresh IVF cycles provides a less expensive and time-intensive opportunity for pregnancy. Ideal endometrium thickness is the key point to optimization FET cycle.
- Trial name
- NCT03060304
- Testing
- Tamoxifen, estradiol valerate
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Infertility, Female
Effect of Oxytocin Antagonists on Implantation Success Rates of Frozen-thawed Embryo Transfer
Uterine contraction has a negative impact on implantation and pregnancy rates. Inhibition of oxytocin receptors decreases uterine contraction frequency both on pregnant and non-pregnant women.
- Trial name
- NCT03904745
- Testing
- Atosiban
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University