Not applicableLooking for participantsNCT06941922What this trial is testingTesticular Evaluation of Azoospermia Using Micro-UltrasoundWho this might be right forAzoospermia Paul Shin 40
Not applicableStudy completedNCT04852237What this trial is testingIs the Lack of Prior Exposure to Sperm Antigens Associated With Worse Neonatal and Maternal Outcomes?Who this might be right forObstructive AzoospermiaObstetric Complication Istituto Clinico Humanitas 400
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 completedNCT06396117What this trial is testingRelationship Between Anogenital Distance, Serum AMH, and mTESE in Klinefelter SyndromeWho this might be right forAzoospermia Anogenital Distance AMH Cairo University 56
Not applicableUnknownNCT06154954What this trial is testingTesticular Proteins for Sperm Retrieval Prediction Protein1, Testis-Expressed Gene 101, and Lectin Galactoside-binding Protein in Predicting Surgical Sperm Retrieval in Men With Non-Obstructive AzoospermiaWho this might be right forNon-obstructive Azoospermia Cairo University 90
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
Testing effectiveness (Phase 2)Enrolling By InvitationNCT07481370What this trial is testingIsotretinoin vs hCG for Male Infertility Due to Low or Absent SpermWho this might be right forOligospermiaAzoospermia, NonobstructiveInfertility University of Nebraska 100
Not applicableUnknownNCT02617173What this trial is testingThe Effect of Low Electrical Current on Testicular Spermatocyte CountWho this might be right forOligozoospermiaAzoospermia Sheba Medical Center 10
Not applicableStudy completedNCT02255396What this trial is testingEstradiol and Testosterone Levels in Seminal Plasma of Men With Non-obstructive AzoospermiaWho this might be right forNon-obstructive Azoospermia With Testicular Biopsy for Spermatozoa Extraction University Hospital, Clermont-Ferrand 50
Not applicableLooking for participantsNCT07691827What this trial is testingMaternal Inheritance of a Pathogenic MT-ND1 Mutation Causes Mitochondrial Dysfunction and Spermatogenic Failure in MenWho this might be right forAzoospermia, NonobstructiveCryptozoospermia The Third Affiliated Hospital of Guangzhou Medical University 1,200
Post-approval studies (Phase 4)UnknownNCT01529177What this trial is testingMetformin for the Treatment of Unexplained OligozspermiaWho this might be right forInfertility The Egyptian IVF-ET Center 600
Not applicableStudy completedNCT06983626What this trial is testingManagement of Non Obstructive Azoospermia in MenWho this might be right forMale InfertilityAzoospermia, Nonobstructive South Valley University 300
Not applicableStudy completedNCT00484081What this trial is testingMicrodissection Testicular Sperm Extraction (MicroTESE) and IVF-ICSI Outcome in Non-Obstructive Azoospermia (NOA)Who this might be right forAzoospermiaInfertility Clinic and Research Center in Human Reproduction Roger Abdelmassih 53
Not applicableUnknownNCT03809026What this trial is testingThe Potential of Sperm Retrieved by Micro-TESE to Fertilize Vitrified/Warmed OocytesWho this might be right forAzoospermia, Nonobstructive Odense University Hospital 100
Testing effectiveness (Phase 2)Not Yet RecruitingNCT07571928What this trial is testingA Novel Aromatase Inhibitor, Leflutrozole, for Treatment of Non-Obstructive AzoospermiaWho this might be right forInfertility Due to AzoospermiaInfertility, Male Martin Blomberg Jensen 15
Not applicableStudy completedNCT04237779What this trial is testingThe Effects of Intratesticular PRP Injection in Men With Azoospermia or CryptozoospermiaWho this might be right forAzoospermia, Nonobstructive Acibadem University 200
Not applicableStudy completedNCT04397887What this trial is testingSeminal TEX101 as a Predictor of Recovery of Spermatogenesis in Azoospermic Men With Palpable VaricoceleWho this might be right forAzoospermia, NonobstructiveVaricocele Cairo University 40
Not applicableUnknownNCT05631509What this trial is testingGenetic Study of Obstructive AzoospermiaWho this might be right forGenetic Disease Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University 300
Large-scale testing (Phase 3)Study completedNCT01206270What this trial is testingAndrogen for Leydig Cell ProliferationWho this might be right forKlinefelter SyndromeHypergonadotropic HypogonadismHypergonadotropic Azospermia+1 more University of Roma La Sapienza 56
Testing effectiveness (Phase 2)UnknownNCT02544191What this trial is testingGnRHa Combined With hCG and hMG for Treatment of Patients With Non-obstructive AzoospermiaWho this might be right forAzoospermia Jinling Hospital, China 30