Clinical trials: Frozen Embryo Transfer (FET)
Subfertility
Oral Dydrogesterone as Luteal Phase Support in Natural Cycle FET
This randomised double-blinded controlled trial aims to compare the live birth rate in natural FET cycles with and without oral dydrogesterone as luteal phase support.
- Trial name
- NCT03859921
- Testing
- Dydrogesterone
- Where
- China
- Volunteers
- 716 people
- Sponsor
- The University of Hong Kong
Infertility, Female, Polycystic Ovary Syndrome
Letrozole for Frozen Embryo Transfer (FET) in Patients With Polycystic Ovary Syndrome (PCOS)
To offer patients with oligomenorrhoea or amenorrhoea an alternative to frozen embryo transfer in an artificial cycle, endometrial preparation using letrozole may be a valuable option.
- Conditions
- Infertility, Female, Polycystic Ovary Syndrome, IVF, Ovulation Disorder
- Trial name
- LEFT (NCT04002635)
- Testing
- Letrozole, estradiol valerate
- Volunteers
- healthy volunteers welcome
- Sponsor
- CRG UZ Brussel
Infertility
SHorter Treatment of Replacement Therapy for Frozen Embryo Transfer (FET)
This is a Single-centre pilot study, randomized, controlled open-label trial with the aim to assess the clinical pregnancy rate and the early pregnancy loss rate between two different schemas for frozen embryo transfer cycles…
- Trial name
- ShoRT (NCT03930706)
- Testing
- Longer administration of estradiol (Progynova®)
- Where
- Belgium
- Volunteers
- 150 people
- Sponsor
- Universitair Ziekenhuis Brussel
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
Infertility, Female, Endometriosis
Predicting Endometrial Receptivity for Optimal Reproductive Management
The purpose of this study is to understand why some women are infertile (unable to conceive a child). The investigators hope to learn if an endometrial biopsy after egg retrieval is feasible for detecting biomarkers for…
- Trial name
- PERFORM (NCT04107129)
- Testing
- Endometrial Biopsy, Euploid embryo transfer, Blood sample
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- Stanford University
Polycystic Ovary Syndrome (PCOS), In Vitro Maturation of Oocytes
IVM - Fresh ET (THE SAIGON PROTOCOL) Versus IVF - FET in PCOS Women
Assisted Reproductive Technologies (ART) aim to increase success rates while minimizing patient risks. For women with high AFC or PCOS, conventional IVF carries a high risk of OHSS (Ho et al., 2019).
- Conditions
- Polycystic Ovary Syndrome (PCOS), In Vitro Maturation of Oocytes, Fresh Embryo Transfer
- Trial name
- SAIGON-PTC (NCT07171970)
- Testing
- IVM-Fresh (No gonadotropin + Fresh embryo transfer), IVF-FET (GnRH-Antagonist - Agonist Trigger - Frozen embryo transfer)
- Where
- Vietnam
- Volunteers
- 600 people
- Sponsor
- Mỹ Đức Hospital
Infertility
Uterine Contractions and Mode of Progesterone in Frozen Embryo Transfer (FET) Cycles: Randomized Clinical Trial
When patients undergo in vitro fertilization (IVF), they often make more embryos than it is safe to transfer back in the womb all at once. These excess embryos are frozen and stored for future use.
- Trial name
- NCT02078869
- Testing
- Progesterone in oil, vaginal progesterone suppositories
- Volunteers
- 34 people
- Sponsor
- Toronto Centre for Advanced Reproductive Technology
Frozen Embryo Transfer (FET)
Cryopreserved Pre-embryo Transfer in a Cytokine-rich Medium Versus Hyaluronic Acid
This multicenter, randomized, double-blind study compares a GM-CSF-enriched embryo transfer medium with a hyaluronic acid-enriched medium in women undergoing single frozen embryo transfer.
- Trial name
- CSF-EG (NCT07869576)
- Testing
- Cytokine-rich embryo transfer medium, Hyaluronic acid-enriched embryo transfer medium
- Volunteers
- 610 people
- Sponsor
- Vida Recoletas Sevilla
Infertility
Administration of Vaginal and Rectal Progesterone During FET Cycles
Observational study of reproductive outcome after frozen embryo transfer in HRT with vaginal and rectal progesterone.
- Trial name
- NCT03470610
- Testing
- Progesterone
- Where
- Denmark
- Volunteers
- 277 people
- Sponsor
- Thor Haahr
Fertilization in Vitro, Embryo Transfer
Immediate Versus Delayed FET Following a Stimulated IVF Cycle
Information regarding the optimal timing for frozen-thawed embryo transfer (FET) following a stimulated in vitro fertilization (IVF) is lacking.
- Trial name
- NCT03201783
- Testing
- immediate frozen-thawed embryo transfer, delayed frozen-thawed embryo transfer
- Where
- China
- Volunteers
- 724 people
- Sponsor
- ShangHai Ji Ai Genetics & IVF Institute
Embryo Transfer
Natural Cycles With Spontaneous Versus Induced Ovulation in FET
In recent years, frozen-thawed embryo transfer procedure (FET) has been widely used to increase the cumulative pregnancy rate per IVF-cycle: which is the best preparation protocol remains a matter of debate.
- Trial name
- NCT03581422
- Testing
- hCG administration before embryo transfer
- Volunteers
- 2,866 people
- Sponsor
- Istituto Clinico Humanitas
Vaginal Dysbiosis
Effect of FB301 on Vaginal Bacterial Profile in Women With Asymptomatic Vaginal Dysbiosis Undergoing a Mock Frozen Embryo Transfer Cycle
The goal of this clinical trial is to evaluate FB301 during a mock frozen embryo transfer (FET) cycle in pre-menopausal women aged 18 to 45 years with a prior failed FET and a defined vaginal bacterial imbalance (dysbiosis).
- Trial name
- NCT07453069
- Testing
- FB-301, Chlorhexidine (0.5%) Vaginal Cleanse
- Where
- 4 sites in United States
- Volunteers
- 30 people
- Sponsor
- Freya Biosciences ApS
hCG, FET
Administration of Human Chorionic Gonadotrophin Before Secretory Transformation of Frozen-thawed Embryo Transfer Cycles
Successful embryo implantation is complicated process that requires synchrony between good-quality embryos and receptive endometrium.
- Conditions
- hCG, FET, Frozen-thawed Embryo Transfe, Human Chorionic Gonadotrophin
- Trial name
- NCT05340010
- Testing
- Human Chorionic Gonadotrophin Intramuscular injection 10.000 IU
- Where
- Egypt
- Volunteers
- 180 people
- Sponsor
- Alexandria University
IVF, Frozen Embryo Transfer
Lipiodol Prior to FET (LIFE)
Lipiodol® flushing is an effective fertility treatment for women with unexplained infertility. It is speculated that the treatment effect could work through a direct effect of Lipiodol® on the endometrium.
- Conditions
- IVF, Frozen Embryo Transfer, Hysterosalpingography
- Trial name
- LIFE (NCT06563908)
- Testing
- Lipiodol® uterine treatment prior to IVF/ICSI
- Volunteers
- 784 people
- Sponsor
- Mỹ Đức Hospital
Frozen Embryo Transfer, Hormone Replacement Therapy
Oral Versus Vaginal Progesterone for Luteal Phase Supplementation in Frozen Embryo Transfer Cycles
To investigate the efficacy of dydrogesterone 30 mg compared to micronized vaginal progesterone 800 mg daily for luteal phase support in hormone replacement therapy frozen embryo transfer cycles, as confirmed by visualization of…
- Conditions
- Frozen Embryo Transfer, Hormone Replacement Therapy, Dydrogesterone, Infertility, Female
- Trial name
- REMODEL (NCT04758871)
- Testing
- Dydrogesterone 10 MG Oral Tablet, Micronized progesterone
- Where
- Belgium
- Volunteers
- 150 people
- Sponsor
- CRG UZ Brussel
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
Infertility
Frozen Embryo Transfer With GnRH-antagonist Trial
The fertility treatment in vitro fertilisation (IVF), sometimes including intra-cytoplasmic sperm injection (ICSI), involves the creation of embryos in a laboratory.
- Trial name
- NCT03763786
- Testing
- Cetrorelix Acetate
- Where
- United Kingdom
- Volunteers
- 300 people
- Sponsor
- University of Oxford
Infertility
Pregnancy Outcome of Women Using Low Molecular Weight Heparin Before Frozen-thawed Embryo Transfer
Embryo freezing is a technique used commonly to optimize the pregnancy rate in assisted reproduction techniques (ART). Hormone replacement therapy (HRT) regimen is applied to prepare endometrium for frozen embryo transfer (FET)…
- Trial name
- NCT03120715
- Testing
- estrogen, Low Molecular Weight Heparin, hCG
- Where
- China
- Volunteers
- 342 people
- Sponsor
- Nanfang Hospital, Southern Medical University
Infertility, Endometrial Peristalsis
Endometrial Peristalsis and Pregnancy Outcomes in Hormone Replacement Therapy (HRT) - Frozen Embryo Transfer (FET) Cycles
Endometrial peristalsis may influence embryo implantation and pregnancy outcomes, but its role during hormone replacement therapy (HRT)-prepared frozen embryo transfer (FET) cycles remains unclear.
- Conditions
- Infertility, Endometrial Peristalsis, Uterine Contraction, Endometrial Waves
- Trial name
- CONCO (NCT07675213)
- Testing
- Endometrial peristalsis and hormone measurements
- Where
- Vietnam
- Volunteers
- 442 people
- Sponsor
- Mỹ Đức Hospital
Subclinical Hypothyroidism, Infertility
Levothyroxine Treatment and IVF Outcomes in Women With Subclinical Hypothyroidism: A Target Trial Emulation
Subclinical hypothyroidism (SCH) is defined by elevated thyroid-stimulating hormone (TSH) with normal free thyroxine (fT4) levels.
- Conditions
- Subclinical Hypothyroidism, Infertility, Assisted Reproductive Technology, In Vitro Fertilization (IVF)
- Trial name
- LESI (NCT07257250)
- Where
- 2 sites in Vietnam
- Volunteers
- 900 people
- Sponsor
- Mỹ Đức Hospital