| Unknown | The Letrozole Administration During Luteal Phase NCT02686151 | The Affiliated Hospital of Inner Mongolia Medical University | Phase 3 |
| Completed | Comparative Study Between Calcium Gluconate With Diosmin, Cabergoline and Cabergoline With Diosmin NCT06333691 | Minia University | N/A |
| Unknown | Ovarian Hyperstimulation Syndrome Using Calcium Infusion NCT05198128 | Al-Azhar University | N/A |
| Completed | Association Between Live Birth Rate and Serum Progesterone During Hormonal Replacement Therapy NCT05588635 | Centre Hospitalier Régional Metz-Thionville | — |
| Completed | Coasting Versus Antagonist Protocol in Patients at High Risk of OHSS NCT03996434 | ClinAmygate | Phase 4 |
| Unknown | Dual Trigger" in IVF Patients at High Risk of Ovarian Hyper Stimulation Syndrome NCT05638529 | Mount Sinai Hospital, Canada | Phase 4 |
| Completed | Management of Ovarian Hyperstimulation Syndrome as a State of Defective Mineralocorticoid Response NCT04351126 | Ganin Fertility Center | Phase 2 |
| Suspended | Montelukast for Prevention & Treatment of OHSS NCT03794037 | Benha University | Phase 2 |
| Unknown | Gonadotropin Releasing Hormone Agonist (GnRHa) Versus Estrogen and Progesterone for Luteal Support in High Res NCT04797338 | Assaf-Harofeh Medical Center | Phase 4 |
| Unknown | The Influence of Timing of Cabergoline Initiation on Prevention of OHSS NCT02620605 | Mona M Shaban | Phase 3 |
| Unknown | Clinical Study of Recombinant Human Follitropin for Injection Assisted in COH Assisted IVF-ET NCT03071172 | Changchun GeneScience Pharmaceutical Co., Ltd. | Phase 3 |
| Unknown | Preventive Application of GnRH Antagonist on Early OHSS NCT03188471 | First Affiliated Hospital, Sun Yat-Sen University | Phase 4 |
| Completed | The Four Methods of Ovarian Stimulation in Patients With Polycystic Ovarian Syndrome NCT03876145 | Royan Institute | N/A |
| Unknown | Efficacy and Safety of Dexamethasone Prevention for Patients of Ovarian Hyperstimulation Syndrome NCT02846493 | Sun Yat-sen University | Phase 2 |
| Terminated | Ovarian Hyperstimulation Syndrome in Patients Triggered by GnRH Agonist for Excessive Follicular Response NCT02701452 | University Hospital, Lille | N/A |
| Terminated | Medical Assistance for the Procreation and Risk of Thrombosis. NCT02610608 | University Hospital, Brest | — |
| Unknown | Luteal Antagonist Versus Conventional Treatment in Women With Severe Early Ovarian Hyperstimulation Syndrome ( NCT02392520 | Eugonia | N/A |
| Unknown | Monitoring the Early Follicular Phase With Androstenedione in Low-dose Step-up Ovulation Induction in High Res NCT02329483 | Bagcilar Training and Research Hospital | — |
| Unknown | Study of Serum Levels of Oxidative Stress Markers in Ovarian Hyperstimulation Patients NCT02202278 | Karadeniz Technical University | — |
| Unknown | Long Acting GnRH Antagonist in PCOS Women Undergoing IVF NCT02084940 | Bioroma | — |
| Withdrawn | The Effect of a Dual Trigger on Intracytoplasmic Sperm Injection (ICSI) Reproductive Outcomes NCT01979341 | Antalya IVF | N/A |
| Completed | Luteal Phase Supplementation With Recombinant LH After GnRh Agonist Oocytes Triggering in Women at Risk of OHS NCT02200952 | San Carlo Public Hospital, Potenza, Italy | — |
| Completed | Co-administration of Low Dose hCG at the Time of GnRH Agonist Trigger or 35 Hours Later for the Prevention of NCT01815138 | UConn Health | Phase 4 |
| Terminated | Can GnRH Agonist Trigger Prevent Ovarian Hyperstimulation Syndrome? NCT01714648 | Elisha Hospital | Phase 4 |
| Completed | GnRH Antagonist for Treatment of Early Ovarian Hyperstimulation Syndrome NCT01268761 | Instituto Valenciano de Infertilidad, IVI VALENCIA | Phase 3 |
| Completed | Study of Cabergoline for Prevention of Ovarian Hyperstimulation Syndrome (OHSS) in In Vito Fertilization Cycle NCT01535859 | KK Women's and Children's Hospital | Phase 3 |
| Terminated | Gene Expression Profile After Gonadotropin Releasing Hormone (GnRH) Agonist Trigger of Oocyte Maturation NCT01606709 | UConn Health | Phase 4 |
| Completed | Freeze All Strategy Versus Fresh Embryo Transfer After GnRH Analogue Trigger NCT05362734 | Istituto Clinico Humanitas | — |
| Completed | Preventive Application of Letrozole Decrease Incidence of Early Onset of OHSS NCT02670304 | First Affiliated Hospital, Sun Yat-Sen University | Phase 4 |
| Completed | Endometrial Receptivity After GnRH Agonist Triggering NCT01500863 | IVI Madrid | Phase 4 |
| Completed | Calcium for Prevention of Ovarian Hyperstimulation Syndrome NCT01427335 | Cairo University | Phase 3 |
| Completed | Administration of Methylprednisolone for Prevention of Ovarian Hyper Stimulation Syndrome NCT01014104 | Royan Institute | Phase 1 / Phase 2 |
| Completed | Compare the Efficacy of Human Albumin With Cabergoline to Prevent Ovarian Hyper Stimulation in Assisted Reprod NCT01009567 | Royan Institute | Phase 1 / Phase 2 |
| Completed | The Role of Cetrotide Acetate in Prevention of Ovarian Hyperstimulation Syndrome (OHSS) in Oocyte Donors NCT00867659 | Virginia Center for Reproductive Medicine | N/A |
| Completed | Double GnRH Antagonist Daily Dose in Hyperresponding IVF/ICSI Cycles May Prevent the OHSS NCT01477970 | Iakentro Fertility Centre | — |
| Completed | Short Versus Long Protocol for IVF and IVF+ICSI NCT00756028 | Peter Hornnes, MD, DMSc | Phase 4 |
| Completed | Tolerability of Quinagolide in a Dose-titration Regimen in Oocyte Donors at Risk of Developing Ovarian Hyperst NCT00665041 | Instituto Valenciano de Infertilidad, IVI VALENCIA | Phase 2 |
| Completed | Ovarian Hyperstimulation Syndrome (OHSS) Prevention With Agonist NCT00835523 | University Hospital Schleswig-Holstein | — |
| Completed | Ovarian Hyperstimulation Syndrome and Cabergoline NCT01569256 | Etlik Zubeyde Hanim Womens' Health and Teaching Hospital | N/A |
| Withdrawn | The Effect of Human Albumin Infusion on VEGF Levels in Women at Risk for Ovarian Hyperstimulation Syndrome NCT00617864 | Yale University | N/A |
| Completed | Study Assessing the Effect of 3-week Treatment With One of Three Oral Doses of Quinagolide NCT00329693 | Ferring Pharmaceuticals | Phase 2 |
| Unknown | 'SPRING'-Study: "Subfertility Guidelines: Patient Related Implementation in the Netherlands Among Gynaecologis NCT00119925 | Radboud University Medical Center | N/A |
| Completed | The Use of GnRH Agonist Trigger in the Prevention of OHSS NCT00349258 | University of Connecticut | Phase 4 |
| Completed | Cabergoline Reduces OHSS NCT00440258 | Instituto Valenciano de Infertilidad, IVI VALENCIA | Phase 3 |
| Unknown | Comparison Between GnRH Agonist and GnRH Antagonist Protocols of Ovarian Stimulation in PCOS Patients NCT00417144 | Eugonia | Phase 4 |
| Withdrawn | Transfer of Fresh Versus Frozen/Thawed Embryos in IVF Cycles Where GnRH Agonist is Utilized for Oocyte Maturat NCT00365027 | HaEmek Medical Center, Israel | N/A |
| Completed | In Vitro Maturation of Immature Oocytes NCT00480337 | Sheba Medical Center | N/A |