Anovulation clinical trials
The registry lists 64 studies for Anovulation across more than 10 countries. 6 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-23.
Status
- Completed
- 43
- Status unknown
- 9
- Recruiting
- 4
- Withdrawn
- 3
- Active, not recruiting
- 2
- Not yet recruiting
- 2
Phase
- Phase 4
- 14
- Phase 3
- 9
- Phase 2
- 6
- Phase 1
- 1
Where
- United States
- 16
- Italy
- 6
- Poland
- 4
- Egypt
- 4
- United Kingdom
- 2
- Germany
- 2
Who runs them
University Magna Graecia (6) · Jagiellonian University (4) · Assiut University (3) · Sheffield Teaching Hospitals NHS Foundation Trust (2) · Emory University (2) · mostafa gomaa hamid halawa (1) · Rachel Mejia (1) · EMD Serono (1)
Studies
Recruiting first, then most recently updated. Showing 50 of 64 — search for more.
- Half-dose vs Conventional-dose Cetrorelix in ICSI CyclesNot yet recruitingNCT07836400
- Sperm Preparation Prior to Intrauterine Insemination StudyRecruitingNCT05693220Not applicable1 country
- Ovarian Stromal Stiffness and Ovarian Reserve Parameters Via Transvaginal Shear Wave ElastographyNot yet recruitingNCT07773337Not applicable1 country
- Letrozole Extended vs Traditional Therapy for Ovulation Induction in Women With PCOS (PROLEx-PCOS)RecruitingNCT07159880Not applicable1 country
- The REgistry of Very Early Estrogen and AnovuLationRecruitingNCT065834081 country
- Effect of Vitamin D on Ovulation Rate in Women With Polycystic Ovary SyndromeRecruitingNCT04650880Not applicable1 country
- Letrozole vs. Clomiphene Citrate Plus Tamoxifen for Ovulation Induction and Pregnancy Outcomes.Active, not recruitingNCT07616973Phase 31 country
- Study of Mechanisms of Anovulation in Polycystic Ovary SyndromeCompletedNCT004928821 country
- Diagnostics of Clinical HyperandrogenismCompletedNCT065304981 country
- Uterine and Endometrial Volume in PCOS and HPODCompletedNCT062116081 country
- Quality of Life in Normogonadotropic AnovulationCompletedNCT062089951 country
- Inositol Supplementation to Treat PCOS (INSUPP-PCOS)CompletedNCT03864068Phase 21 country
- Myo-inositol Plus Alpha-lactalbumin in PCOS Myo-inositol-resistant PatientsCompletedNCT03667443Not applicable1 country
- Randomized Controlled Trial of Combined Letrozole and Clomid (CLC II) Versus Letrozole Alone for Women With AnovulationActive, not recruitingNCT05206448Phase 41 country
- Evaluation of Ovarian Morphology and Function in Overweight Women During Weight LossCompletedNCT01785719Not applicable1 country
- Subclinical Hypothyroidism and Normogonadotropic AnovulationCompletedNCT057827251 country
- Feasibility and Safety of Fasting in Fertility TreatmentCompletedNCT04942457Not applicable1 country
- Protocol for Drug Use Investigation of Follistim Injection (Study P06132)(COMPLETED)CompletedNCT00920634
- The Cycle Disturbances, OLigomenorrhea and Amenorrhea (COLA) Study & BiobankStatus unknownNCT023090471 country
- An RCT of Metformin Vs Orlistat in Obese Anovulatory WomenCompletedNCT00292799Not applicable1 country
- Administration of Single High Dose Letrozole for Ovulation InductionCompletedNCT02703649Phase 41 country
- Ovarian Response to Recombinant Follicle Stimulating Hormone in Women With PCOSCompletedNCT03252223Phase 41 country
- Hysteroscopy in Chronic AnovulationWithdrawnNCT03545945Not applicable1 country
- A Phase III Clinical Study to Compare the Efficacy and Safety of DA-3801 and That of Gonal-F®CompletedNCT01820728Phase 31 country
- LOD vs Gn in Anovulatory PCOs Resistant to First Line AgentsStatus unknownNCT04325295Not applicable
- Sildenafil Vaginal Gel Co-treatment With Clomiphene Citrate in Infertile Women With Thin EndometriumCompletedNCT02710981Not applicable
- Autologous Platelet-rich Plasma for Clomiphene Citrate-induced Thin EndometriumCompletedNCT03770026Phase 2/31 country
- Hormonal Effects of the Oral Gonadotropin Releasing Hormone (GnRH) Antagonist at Different Periods of the Menstrual CycleStatus unknownNCT04060992Phase 4
- Effectiveness and Safety of Bushen Culuan Decoction for Anovulatory InfertilityStatus unknownNCT03709849Phase 2
- To Study The Influence Of Genomic Factors On Metabolism And Effects Of Clomiphene In Asian Normogonadotrophic Anovulatory Patients.CompletedNCT025480391 country
- Using CPAP to Improve Menstruation in Women With Polycystic Ovarian Syndrome and Obstructive Sleep ApneaWithdrawnNCT031558281 country
- Comparison of Anastrozole Verses Clomiphene Citrate in Stimulating Follicular Growth and Ovulation in Infertile Women With Ovulatory DysfunctionCompletedNCT00213148Phase 21 country
- Endometrial Thickness and Subendometrial Vascularity in Anovulatory Polycystic Ovarian Syndrome Patients Treated by MetforminStatus unknownNCT03486626Phase 41 country
- Traditional Clomiphene Citrate Administration vs. Stair-step ApproachCompletedNCT01008319Phase 31 country
- Pilot Study:Role of Dietary Fiber in PCOS AnovulationTerminatedNCT00703092Phase 41 country
- Serum Kisspeptin Levels in Infertile WomenCompletedNCT030183141 country
- The Effect of Sildenafil Citrate on the Success Rate of Ovulation Induction Using ClomipheneCompletedNCT02663830Phase 2
- Circulating Androgen Levels Are Not Affected by the Administration of Vaginal Micronized Progesterone for Withdrawal Bleeding in Patients With Polycystic Ovarian SyndromeCompletedNCT03088046Not applicable
- Concomitant CC and E2 Versus CC Alone in Ovulation InductionStatus unknownNCT02186782Phase 41 country
- Amlodipine on Blood Flow of Preovulatory Follicle in Polycystic Ovarian PatientsCompletedNCT02544776Not applicable
- Trial to Assess the Clinical Efficacy and Safety of MSJ-0011 in Inducing Ovulation in Anovulatory or Oligo-ovulatory Japanese WomenCompletedNCT01653743Phase 31 country
- The Effects of an Intensive Lifestyle Intervention on Reproductive OutcomesCompletedNCT01894074Not applicable1 country
- Letrozole Versus Clomiphene Citrate for Ovulation Induction in Women With Poly Cystic Ovary Syndrome ( PCOS )Status unknownNCT02551367Phase 2
- Evaluation of Efficacy and Safety of Highly Purified Urofollitropin for Ovulation Induction in Chinese FemalesCompletedNCT01923194Phase 31 country
- Influence of Pharmacogenetic Factors, Paroxetine and Clarithromycin on Pharmacokinetics of ClomipheneCompletedNCT01289756Phase 11 country
- Phase III Clinical Study of Domestic Recombinant Human Follitropin for Injection to Treat WHO Class II AnovulationCompletedNCT02335879Phase 3
- Predictors of Ovarian Response During Clomiphene Citrate Ovulation Induction in Patients With Polycystic Ovary SyndromeCompletedNCT02269306Not applicable1 country
- FHA: Characterization of Metabolic Status, Brain Circuitry, and Stress-ReactivityWithdrawnNCT004532191 country
- Gonadotrophin Dosage Using a Threshold Nomogram for Ovulation Induction in WHO Group II Anovulatory InfertilityCompletedNCT01250821Phase 41 country
- Strategies for Ovulation Induction in Anovulatory Infertile Patients With PCOSStatus unknownNCT00461643Phase 41 country