Clinical trials: Ovulation, open to volunteers
Menstrual Cycle, Ovulation
Apple Women's Health Study
This is an observational longitudinal study to advance the understanding of menstrual cycle and gynecologic health conditions including PCOS, infertility and breast cancer.The study will be hosted within the Research…
- Conditions
- Menstrual Cycle, Ovulation, Menstruation, Polycystic Ovary Syndrome
- Trial name
- NCT04196595
- Where
- United States
- Volunteers
- 500,000 people, healthy volunteers welcome
- Sponsor
- Apple Inc.
Infertility
Progesterone Supplementation After Letrozole-stimulated Insemination
This trial aims to investigate whether luteal phase support improves the chance of pregnancy in women undergoing intrauterine insemination (IUI) following ovarian stimulation with letrozole.
- Trial name
- LIFT (NCT07508657)
- Testing
- Progesterone
- Where
- 4 sites in Denmark
- Volunteers
- 690 people
- Sponsor
- Kirstine Kirkegaard
Embryo Transfer
Triggering Ovulation at Follicle Size Smaller or Larger Than 17mm in a Modified Natural Cycle
The rise in frozen embryo transfer (FET) cycles within assisted reproductive technology (ART) has sparked the need to refine endometrial preparation protocols.
- Trial name
- 17FET (NCT07088952)
- Testing
- Trigger at smaller folicular size
- Where
- Spain
- Volunteers
- 572 people
- Sponsor
- Vida Recoletas Sevilla
Fertilization, Fertilization in Vitro
BEst Size for Ovulation Triggering in Poseidon 4 Patients (BEST 4 Study)
This observational clinical study aims to determine the optimal timing of ovulation triggering in women aged 35 and above with poor ovarian reserve.
- Trial name
- BEST (NCT06433518)
- Testing
- Ovulation Trigger Timing Based on Leading Follicle Size in POSEIDON Group 4 IVF Patients
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people
- Sponsor
- Centrum Clinic IVF Center
Infertility
Successive Doses of GnRH Agonist Versus Single Dose of GnRH Agonist to Trigger Ovulation in Hyper-responders
The aim of this randomized controlled study is to compare the efficacy of three successive doses of a GnRH agonist ( administered 36 , 24 and 12 hours before oocyte retrieval ) with a single dose of a GnRH agonist ( administered…
- Trial name
- NCT07569315
- Testing
- Successive doses GnRH agonist, Single dose GnRH agonist
- Where
- Egypt
- Volunteers
- 190 people
- Sponsor
- Bedaya Hospital
Poly Cystic Ovary Syndrome
E.N.D.E.A.V.O.R.: An Exemestane Needed Dose Efficacy and Verification as an Ovulation Induction Regimen Study
The goal of this clinical trial is to learn if study drug exemestane will increase chances of ovulation for patients with polyendocrine metabolic ovarian syndrome (PMOS, formerly called polycystic ovary syndrome (PCOS)).
- Trial name
- ENDEAVOR (NCT07706374)
- Testing
- Exemestane 25 MG, Exemestane 50 MG
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of North Carolina, Chapel Hill
Luteal Phase Insufficiency
Early Luteal Phase Progesterone Kinetics After hCG-Induced Ovulation in Modified Natural Cycle
This pilot study evaluates how progesterone levels change after hCG-triggered ovulation in modified natural cycles. Forty women preparing for frozen embryo transfer will have blood tests over 6 days to monitor hormone levels.
- Trial name
- CineP4 (NCT07028710)
- Testing
- hCG
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Abnormal Uterine Bleeding (AUB), Ovulation Dysfunction
Clinical Efficacy And Safety of Dydrogesterone In The Treatment Of Abnormal Uterine Bleeding During Puberty
This multicenter prospective cohort study evaluates the clinical efficacy and safety of dydrogesterone versus drospirenone and ethinylestradiol in adolescents aged 10-19 years with abnormal uterine bleeding-ovulatory dysfunction…
- Trial name
- NCT07703488
- Where
- China
- Volunteers
- 240 people
- Sponsor
- Guangdong Women and Children Hospital
Pregnancy Related, Fertility Issues
Luteal Phase Support in IUI MOH Treatment Luteal Phase Support in IUI MOH Treatment
The LUMO study is a multicenter, randomized controlled trial that evaluates the effectivity of luteal phase support in MOH/IUI treatment.
- Conditions
- Pregnancy Related, Fertility Issues, Luteal Phase Defect, Infertility Unexplained
- Trial name
- LUMO (NCT05080569)
- Testing
- Progesterone Vaginal Product
- Where
- Netherlands
- Volunteers
- 1,008 people
- Sponsor
- UMC Utrecht
Polycystic Ovary Syndrome, Diminished Ovarian Reserve
Clinical Trial of Anovulatory Infertility
This project aims to study the expression of clock genes and related proteins in follicular fluid and granulosa cells, depicting the periodic, amplitude, and phase changes of biological clock genes and related proteins in women…
- Conditions
- Polycystic Ovary Syndrome, Diminished Ovarian Reserve, Ovulation Disorder
- Trial name
- NCT06601452
- Testing
- a compound prescription of Chinese medicine
- Where
- China
- Volunteers
- 650 people, healthy volunteers welcome
- Sponsor
- Affiliated Hospital of Nanjing University of Chinese Medicine
ICSI, IVF
Dual Trigger VS HCG Trigger for Final Oocyte Maturation in Normal Responders
To compare the embryological and reproductive outcomes of dual trigger versus conventional hCG trigger for final oocyte maturation in normal responder patients undergoing ICSI cycles.
- Conditions
- ICSI, IVF, Normal Responders, Infertility Assisted Reproductive Technology
- Trial name
- DT-HCG-IVF (NCT07861399)
- Testing
- Dual trigger (human chorionic gonadotropin plus GnRH-agonist), hCG trigger
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Al-Azhar University
Stimulation in the Ovary, IVF Outcome
Comparing IVF/ICSI Cycle Outcomes of Post Ovulation Ovarian Stimulation Protocol With Elonva Without GnRH Antagonist to Follicular Phase Day 2 Stimulation Fixed Day 5 Antagonist Protocol
There are several approaches to the timing of antagonist administration in IVF/ICSI cycles. The primary goal is indeed to prevent premature ovulation, which could jeopardize the success of the cycle There is an emerging concept…
- Trial name
- NCT06879002
- Testing
- Ovarian stimulation with menstruation or after ovulation
- Where
- 2 sites in United Arab Emirates
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
Healthy
Is the Diurnal Variation in Circulating Levels of Cortisol Reflected in Follicular Fluid of Preovulatory Follicles Close to Ovulation?
Glucocorticoids and especially cortisol exhibit a pronounced diurnal variation. Levels peak around 8 am and may decrease around two to three times during the day reaching a nadir during the evening and early in the night.
- Trial name
- NCT06877429
- Testing
- Time of OPU
- Where
- United Arab Emirates
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
Woman of Reproductive Age, Socioeconomic Factors
Understanding Cycles to Improve Women's Health
Introduction: The C-HEALTH study investigates how environmental and socio-economic conditions affect women's menstrual cycles and reproductive health.
- Trial name
- C-HEALTH (NCT07037082)
- Testing
- Self-saliva sampling, Self-collection of dried blood spots, Wearing the connected ring
- Where
- France
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Infertility, Female, Ovulation Induction
Oral GnRH Antagonist (Linzagolix) Versus Injectable GnRH Antagonist in Controlled Ovarian Stimulation for In Vitro Fertilization: A Randomized Controlled Non-Inferiority Trial With a Concurrent Comparator Cohort Undergoing Progestin-Primed Ovarian Stimulation (PPOS)
Women undergoing IVF/ICSI who are candidates for a GnRH-antagonist protocol are randomly assigned 1:1 to oral linzagolix or the standard injectable GnRH antagonist (ganirelix or cetrorelix).
- Trial name
- NCT07732348
- Testing
- Ganirelix ; Cetrorelix, Medroxyprogesterone Acetate ; Micronized Progesterone, Linzagolix
- Volunteers
- 120 people
- Sponsor
- Centro A.M.B.R.A. (Associazione Medici e Biologi per la Riproduzione Assistita)
Infertility (IVF Patients)
Triggering Ovulation in Normo-responders Using a Modified Dual Trigger Protocol or HCG Trigger
The aim of this randomized controlled study is to compare the efficacy of a modified dual trigger protocol [a single bolos of HCG combined with two successive doses of a GnRH agonist ] with HCG [a single bolos administered 36…
- Trial name
- NCT07569302
- Testing
- Modified dual trigger, HCG
- Where
- Egypt
- Volunteers
- 196 people
- Sponsor
- Bedaya Hospital
Low Dose, Progesterone
Role of Low Dose Injectable Progesterone in Triggering Ovulation
The aim of this study is to evaluate the role of low dose injectable progesterone in triggering ovulation.
- Conditions
- Low Dose, Progesterone, Triggering Ovulation
- Trial name
- NCT06928844
- Testing
- Progesterone
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- The General Authority for Teaching Hospitals and Institutes
Oncological Disease, Fertility Preservation
Ovulation Induction With GnRH Analogue or Dual Trigger?
Most medically assisted procreation (ART) techniques, including oocyte cryopreservation for fertility preservation, involve controlled ovarian stimulation.
- Trial name
- NCT07546136
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna