Clinical trials: Frozen Embryos
In Vitro Fertilization, Frozen Embryo Transfer
Comparison of Thawing Embryos in Advance and on the Day of Transfer on Pregnancy Outcomes in FET Cycle
Respectively for patients with repeated transplant failure and routine patients, Thawing frozen embryos in advance (18h) to extend the duration of embryonic development or thawing embryos on the day of transfer in the frozen…
- Trial name
- NCT04455191
- Testing
- Thawing Embryos in Advance, Thawing Embryos on the Day of Transfer
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Jinan Central Hospital
Infertility, Female, Frozen Embryo Transfer
Luteal Phase Support During Frozen Embryo Transfer Cycle
We aimed to decrease quantity of exogenous estrogen and evaluated the success rate of ongoing pregnancy in women undergone artificial FET who have a surplus embryos at previous fertility treatment cycles.
- Trial name
- NCT04013438
- Testing
- Strogen
- Where
- Iran
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Royan Institute
Embryo Implantation
Intramuscular Injection of Human Chorionic Gonadotropin in Frozen Embryo Transfer Cycles
This study is a randomized controlled clinical trial to compare the pregnancy outcomes of infertile women with frozen embryo transfer.
- Trial name
- NCT04855383
- Testing
- The effect of intramuscular injection of triple doses of human chorionic gonadotropin in frozen embryo transfer cycles
- Where
- Iran
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Royan Institute
Infertility, Female
Descriptive Analysis of Serum Immunological Markers During an Euploid Frozen Embryo Transfer in a Natural Cycle.
To describe the peripheral serum levels of the anti-inflammatory cytokines IL-4 (Interleukin-4), IL-10 (Interleukin-10), TGF-ß1 (Transforming Growth Factor beta1), the pro-inflammatory cytokines IL-17 (Interleukin-17), IFγ…
- Trial name
- NCT05473273
- Testing
- Endometrin 100Mg Vaginal Insert, Estradiol Valerate
- Where
- United Arab Emirates
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
Frozen Embryos
Time - Lapse Analysis of Frozen Embryos
A retrospective analysis of embryo defrost cycles that were rated in the EmbryoScope system and frozen will be performed. The study will examine the possible association between the morphokinetic grading received by these embryos…
- Trial name
- NCT04255641
- Testing
- time lapse analysis
- Where
- Israel
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Carmel Medical Center
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
Fertility
Effect of Oocyte Vitrification on Fertilization Rate, Embryo Quality and Development
Indications for oocyte (egg) vitrification (fast freezing) include the preservation of reproductive competence of young cancer patients who need chemotherapy, pelvic radiation, or surgical removal of ovaries for treatment.
- Trial name
- NCT01422395
- Testing
- Freezing
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Main Line Fertility Center
Luteal Support, Frozen Embryo Transfer (FET)
Is There a Need for Luteal Support in Modified Natural Cycle Frozen Embryo Transfer Cycles
Without progesterone there is no pregnancy. Following ovulation, the endocrine function of the follicle changes and progesterone replacing estradiol becomes its main secretory product.
- Trial name
- NCT06875752
- Testing
- no luteal support, Vaginal Progesterone, Progesterone plus HCG
- Where
- 5 sites in Hungary
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Dunamenti REK Istenhegyi IVF Center
Clinical Pregnancy, Embryo Implantation
DNA Amplification in Blastocoel Fluid
Introduction: Although innovative procedural changes in frozen embryo transfer (FET) cycles have increased the implantation rate of blastocysts transferred significantly, blastocyst selection remains a significant limiting factor…
- Trial name
- NCT04744844
- Testing
- blastocoel fluid biopsy
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Antalya IVF
Endometrial Receptivity
Comparison of Blood Flow in the Arteriae Uterinae in Ovarian Stimulation Cycles
This study will measure the blood flow in the aa. uterinae in women, undergoing firstly ovarian stimulation for In-Vitro Fertilization (IVF) / Intracytoplasmic sperm injection (ICSI), in Hormonal Replacement cycles (HRT) and…
- Trial name
- NCT03887728
- Where
- United Arab Emirates
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
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
Infertility, Microbiome
Frozen Embryo Transfer Pregnancy Outcomes Prediction by Microbiome
This study intends to explore the correlation between cervical microbiome, gut microbiome and pregnancy outcomes of frozen embryo transfer patients through a multicenter prospective observational study, and to explore the…
- Trial name
- NCT05521295
- Testing
- no intervention
- Where
- China
- Volunteers
- 3,600 people, healthy volunteers welcome
- Sponsor
- Shengjing Hospital
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
Assisted Reproductive Technology, Ultrasonography
Evaluating the Endometrial Receptivity of FET Patient by Ultrasounicelastography
Prospective clinical study ：observing the correlation between endometrial elasticity score, endometrial blood flow index (PI, RI, S/D, endometrial thickness, morphology) and clinical pregnancy rate.
- Trial name
- NCT03881072
- Testing
- Ultrasounicelastography
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Jinling Hospital, China
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