Early research (Phase 1)Study completedNCT05483621What this trial is testingHormonal Stimulation of SpermatogenesisWho this might be right forAzoospermia, Nonobstructive Egymedicalpedia 100
Large-scale testing (Phase 3)Not Yet RecruitingNCT03615547What this trial is testingInterest of Clomiphene Citrate in Patients With Non-obstructive Azoospermia on the Quantity of Sperm CellsWho this might be right forAzoospermia, Nonobstructive Hospices Civils de Lyon 128
Not applicableStudy completedNCT04894136What this trial is testingReproductive and Obstetric Outcomes in TESE-ICSI Cycles for AzoospermiaWho this might be right forObstructive AzoospermiaNon-obstructive AzoospermiaObstetric Complication Istituto Clinico Humanitas 520
Not applicableNot Yet RecruitingNCT07259967What this trial is testingLaterality Success Determination of Microscopic Testicular Sperm Extraction in Non Obstructive Azoopsermia PatientsWho this might be right forTesticular Sperm Extraction in Azoospermic Patients Assiut University 80
Not applicableWithdrawnNCT02137265What this trial is testingAssessing the Efficacy of Clomiphene Citrate in Patients With Azoospermia and HypoandrogenismWho this might be right forNon Obstructive AzoospermiaHypogonadism University of Illinois at Chicago
Not applicableLooking for participantsNCT07008495What this trial is testingTesticular Sperm Retrieval Rate After Varicocele Ligation in Men With Non Obstructive AzoospermiaWho this might be right forNon-obstructive Azoospermia South Valley University 50
Not applicableNot Yet RecruitingNCT07286279What this trial is testingIdentifying Candidates for Limited Dissection at Microdissection TESE.Who this might be right forNon Obstructive AzoospermiaCryptozoospermiaOligoasthenoteratozoospermia+1 more Clinique Ovo 250
Not applicableNot Yet RecruitingNCT07074015What this trial is testingIntelliWell: An AI-Assisted Imaging Platform for Detection and Location of Ultra-Rare Testicular Sperm in Surgical SpecimensWho this might be right forInfertilityAzoospermia Brigham and Women's Hospital 20
Not applicableStudy completedNCT07415928What this trial is testingInhibin B/FSH Ratio as a Predictor of Testicular Pathology in NOAWho this might be right forAzoospermia, NonobstructiveNon-obstructive Azoospermia Elazıg Fethi Sekin Sehir Hastanesi 73
Testing effectiveness (Phase 2)Active Not RecruitingNCT06706414What this trial is testingNT-NOA - Novel Treatment of Some Men With Non-Obstructive AzoospermiaWho this might be right forInfertility, Male Martin Blomberg Jensen 16
Testing effectiveness (Phase 2)UnknownNCT02641769What this trial is testingIntra-Testicular Transplantation of Autologous Stem Cells for Treatment of Non-Obstructive Azoospermia Male Infertility.Who this might be right forNon-obstructive Azoospermia Stem Cells Arabia 50
Not applicableUnknownNCT01178463What this trial is testingSpermatogonial Stem Cells in Azoospermic Patients: a Comparison Between Obstructive and Non-obstructive AzoospermiaWho this might be right forMale Infertility Hillel Yaffe Medical Center 25
Not applicableWithdrawnNCT02669108What this trial is testingPET-MRI for Functional Imaging of the Testis: A Feasibility StudyWho this might be right forInfertilityNon-obstructive AzoospermiaVasectomy NYU Langone Health
Not applicableUnknownNCT03146260What this trial is testingTESE and Non Obstructive AzoospermiaWho this might be right forAzoospermia, Nonobstructive Assiut University 148
Not applicableStudy completedNCT03550716What this trial is testingSurgical Sperm Retrieval in Non-obstructive Azoospermic Men: mTESE vs. TESAWho this might be right forNon-obstructive Azoospermia Herlev and Gentofte Hospital 110
Not applicableStudy completedNCT01509482What this trial is testingInsulin Resistance in Idiopathic Oligospermia and AzoospermiaWho this might be right forInsulin ResistanceOligospermiaAzoospermia The Egyptian IVF-ET Center 100
Not applicableStudy completedNCT00044369What this trial is testingRole of the Toxic Metal Cadmium in the Mechanism Producing Infertility With a VaricoceleWho this might be right forVaricoceleMale InfertilityHypospermatogenesis+1 more National Institute of Environmental Health Sciences (NIEHS) 400
Large-scale testing (Phase 3)Study completedNCT02900105What this trial is testingEffect of Letrozole on Seminal Parameters in Men With Non Obstructive Azoospermia and Severe Oligozoospermia.Who this might be right forAzoospermia, NonobstructiveOligozoospermia KK Women's and Children's Hospital 28
Not applicableStudy completedNCT05247723What this trial is testingStandard IV Cannula Aspiration (SIVCA): A Novel, Efficient and Minimally Invasive Testicular Sperm Aspiration TechniqueWho this might be right forNon Obstructive Azoospermia Cairo University 130
Not applicableStudy completedNCT05110391What this trial is testingSperm Retrieval Rates in Non-obstructive Azoospermic Men Subjected to Gonadotropin TherapyWho this might be right forNon-obstructive AzoospermiaHormone DeficiencyHypogonadism, Male+1 more ANDROFERT - Clinica de Andrologia e Reproducao Humana 616