Oligospermia: all 64 studies

Page 1 of 1. Open to participants first (17), then studies with results posted, then the rest; newest registration first within each.

• Comparative Efficacy of Antioxidants Alone Versus Combined Therapy With SERMs or FSH in Normogonadotropic Idiopathic OAT Patients: A Randomized Controlled TrialNot yet recruitingNCT07862725Phase 4
• A Study to Evaluate the Safety and Efficacy of Multiple Dose of STSP-0902 in Patients With Oligozoospermia and/or Asthenozoospermia.Not yet recruitingNCT07833943Phase 2
• Sperm, Exposure and Endocrine DisruptorsNot yet recruitingNCT07703046Not applicable
• Maternal Inheritance of a Pathogenic MT-ND1 Mutation Causes Mitochondrial Dysfunction and Spermatogenic Failure in MenRecruitingNCT07691827
• Fertility Restoration With Autografting of Cryopreserved Immature Testicular TissueRecruitingNCT07542626Not applicable
• Isotretinoin vs hCG for Male Infertility Due to Low or Absent SpermEnrolling by invitationNCT07481370Phase 2
• Effect of Daily Intake of Gazpacho on Semen Quality and Oxidative StressRecruitingNCT07375238Not applicable
• Identifying Genome Variants in Non-Obstructive Azoospermia (NOA) or Primary Ovarian Insufficiency (POI)RecruitingNCT07357701
• Probiotics on Sperm Quality in Male Infertility PatientsRecruitingNCT07345455Not applicable
• A Study to Evaluate the Safety and Tolerability of Single and Multiple Dose of STSP-0902 in Healthy SubjectsRecruitingNCT06948799Phase 1
• Study of Tolerability, Safety, Pharmacokinetics, Pharmacodynamics and Preliminary Efficacy of the Medicinal Product MediReg®RecruitingNCT06869863Phase 1/2
• Efficacy and Safety of a New Sperm Capacitation MethodRecruitingNCT06742437
• Study of the ZyMōt Sperm Selection Method and Its Effect on Embryo Ploidy.RecruitingNCT06384794Not applicable
• Evaluation of Treatment With Coenzyme Q10 and L-Carnitine on Semen Parameters in Infertile Men With Idiopathic OligoasthenoteratospermiaRecruitingNCT06342856Early Phase 1
• Efficacy and Safety Study of Products Based on Tribulus Terrestris, L. in Men With OligospermiaRecruitingNCT06260007Phase 4
• Hyperbaric Oxygen Therapy for Men Suffering From Infertility Due to Oligospermia.RecruitingNCT05842239Not applicable
• The Association of Gut Microbiota and Spermatogenic DysfunctionRecruitingNCT05628987
• Ramipril for the Treatment of OligospermiaTerminatedNCT01856361Not applicableResults posted
• The Effect and Safety of Lisinopril in Non-hypertensive Men With Infertility From Low Sperm CountCompletedNCT01409837Phase 2Results posted
• Aromatase Inhibitors in the Treatment of Male InfertilityTerminatedNCT00440180Phase 3Results posted
• Letrozole in Oligospermia With Eugonadotropic-Hypogonadism and Low Testosterone Estradiol RatioCompletedNCT07922512Not applicable
• Evaluation of Assisted Reproductive Technology (ART) Outcomes in Couples With Nonobstructive Azoospermia, Cryptozoospermia, and Severe OligozoospermiaCompletedNCT07897279
• DHEA Plus Coenzyme Q10 Verus Coenzyme Q10 Alone on Sperm Concentration in Subfertile Male With Oligospermia.CompletedNCT07771153Not applicable
• Varicocelectomy for Cryptozoospermic Men.CompletedNCT07759713Not applicable
• Comparative Evaluation of the Efficacy of Letrozole, L-Carnitine, and Their Combination on Sperm Quality, Oxidative Stress, and ART Outcomes in Men With Idiopathic Oligoasthenoteratozoospermia.CompletedNCT07669402Phase 2/3
• PRP Improves Blastocyst Formation in ICSI CyclesCompletedNCT07579858Phase 3
• Evaluating Traditional Medicine Syndromes in Male Infertility With OligoasthenoteratozoospermiaCompletedNCT07529288
• Identifying Candidates for Limited Dissection at Microdissection TESE.CompletedNCT07286279
• Timing of Oocyte Retrieval and Micro Testicular Sperm ExtractionCompletedNCT07268235
• A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Immunogenicity of STSP-0902 in Healthy SubjectsCompletedNCT06563713Phase 1
• Creatine and Ubiquinol for Sperm QualityCompletedNCT06202469Not applicable
• Effect of Eurycoma Longifolia (DLBS5055) and Multivitamins (Vitamin C+Vitamin E+ Β-carotene) for Infertile MalesActive, not recruitingNCT06100432Phase 4
• The Role of Electroacupuncture With Standard Therapy on Sperm Analysis and SOD Levels in Oligozoospermia.CompletedNCT06088693Not applicable
• Effect of Intravesical B.C.G and Gemcitabine on Semen Analysis and Testicular Volume in NMIBCCompletedNCT05701332Phase 4
• Using of Testes Shocker in Improving the Spermatogenesis and Sperms ActivityStatus unknownNCT05506722Not applicable
• A Clinical Study of Gulingji Capsule in the Treatment of Idiopathic Oligospermia, Asthenia, and TeratozoospermiaStatus unknownNCT05320536Phase 4
• Efficacy Comparison of Tamoxifen and Tamoxifen With Antioxidants on Semen Quality of Male With Idiopathic InfertilityStatus unknownNCT05200663Phase 2
• Safety of Cultured Allogeneic Adult Umbilical Cord Derived Mesenchymal Stem Cells for Testicular Injury and OligospermiaWithdrawnNCT05158114Phase 1
• Effects of a Fasting Mimicking Diet on Sperm QualityCompletedNCT04908774Not applicable
• Comparison of ICSI Outcomes in Cycles Using Testicular and Ejaculate Sperm From Couples With High SDFCompletedNCT04795440Not applicable
• Semen Parameters and COVID-19 in Infertile MenCompletedNCT04643522
• Impact of Immunotherapy on the Sperm Count of Patients With CancerStatus unknownNCT04554030
• Seminal Fluid's Changes Over 20 YearsCompletedNCT04349345
• Administration of Antioxidants to Infertile Men and Sperm QualityCompletedNCT04256278Not applicable
• Is Oxidative Stress in Semen Reduced by Lifestyle InterventionCompletedNCT03898752Not applicable
• Autologous Adipose-Derived Adult Stromal Vascular Cell Administration for Male Patients With InfertilityStatus unknownNCT03762967Phase 2
• A Retrospective Study on the Effect of Male Progressive Sperm Count After Semen Pretreatment on ICSI Fertilization OutcomeCompletedNCT03594201
• Detection of Microdeletions in the Azoospermia Factor (AZF) Regions in Infertile Male PatientsTerminatedNCT03497728
• The Role of Artery-Preserving Varicocelectomy in Subfertile Men With Severe Oligozoospermia.CompletedNCT03344588Not applicable
• Effect of Letrozole on Seminal Parameters in Men With Non Obstructive Azoospermia and Severe Oligozoospermia.CompletedNCT02900105Phase 3
• Severe Male Factor Infertility ManagementStatus unknownNCT02752555Not applicable
• The Effect of Low Electrical Current on Testicular Spermatocyte CountStatus unknownNCT02617173Not applicable
• Clinical Research on Effectiveness and Safety of Treatment of Severe Oligospermia or Azoospermia With uFSHStatus unknownNCT02307994Phase 4
• A Clinical Trial to Study the Safety and Efficacy of Chandrakanthi Choornam in Patients With Low Sperm CountCompletedNCT02234206Phase 2
• Sperm Pathology Samples and MorphokineticsCompletedNCT02155179
• 7 NUTS Study. Diet Modification and Male Fertility.Status unknownNCT02063256Phase 2/3
• Effect of Walnuts on Sperm Parameters and Male FertilityCompletedNCT01954498Not applicable
• Myo-inositol on Human Semen ParametersCompletedNCT01828710Not applicable
• Supplement Intake in Infertile Men;the Effect on Sperm Parameters,Fertilization Rate and Embryo QualityStatus unknownNCT01520584Not applicable
• Insulin Resistance in Idiopathic Oligospermia and AzoospermiaCompletedNCT01509482Not applicable
• Identification and Characterization of the Methylation Abnormalities on Whole Genome Among Infertile MenCompletedNCT01239186
• Genetic Studies Spermatogenic FailureCompletedNCT00548977
• A Preliminary Study on Effect of Omega-3 on Human SpermStatus unknownNCT00479960Early Phase 1
• Role of the Toxic Metal Cadmium in the Mechanism Producing Infertility With a VaricoceleCompletedNCT00044369

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