Not applicableUnknownNCT02430584What this trial is testingWhole Blood Specimen Collection From Pregnant SubjectsWho this might be right forDown SyndromeEdwards SyndromePatau Syndrome+4 more Progenity, Inc. 5,000
Testing effectiveness (Phase 2)Study completedNCT02061384What this trial is testingRA-2 13-cis Retinoic Acid (Isotretinoin)Who this might be right forMale InfertilityKlinefelter's SyndromeY-chromosome Microdeletions University of Washington 20
Not applicableEnrolling By InvitationNCT07142135What this trial is testingLong-term Systematic Follow-up of Patients With Klinefelter Syndrome Followed at the Department of Growth and Reproduction, RigshospitaletWho this might be right forKlinefelter Syndrome Rigshospitalet, Denmark 300
Not applicableStudy completedNCT02787486What this trial is testingExpanded Noninvasive Genomic Medical Assessment: The Enigma StudyWho this might be right forDown SyndromeEdwards SyndromePatau Syndrome+5 more Progenity, Inc. 760
Large-scale testing (Phase 3)Looking for participantsNCT05586802What this trial is testingSex Steroids Balance for Metabolic and Reproductive Health in Klinefelter SyndromeWho this might be right forKlinefelter Syndrome Georgios Papadakis 150
Not applicableStudy completedNCT01918280What this trial is testingFertility Preservation in Cases of Klinefelter Syndrome.Who this might be right forKlinefelter Syndrome Hospices Civils de Lyon 141
Not applicableStudy completedNCT06687252What this trial is testingRetrospective Analysis of the Neonatal Management of Patients with an Antenatal Diagnosis of Genital Development Variation At the Hospital of LyonWho this might be right forEndocrinologyDisorders of Sexual DevelopmentPrenatal Diagnosis+12 more Hospices Civils de Lyon 170
Post-approval studies (Phase 4)Looking for participantsNCT06294990What this trial is testingKlinefelter Syndrome and Testosterone Treatment in PubertyWho this might be right forKlinefelter Syndrome Lise Aksglæde 32
Testing effectiveness (Phase 2)Study completedNCT00348946What this trial is testingAndrogen Effect on Klinefelter Syndrome Motor OutcomeWho this might be right forKlinefelter Syndrome Thomas Jefferson University 93
Not applicableLooking for participantsNCT04463316What this trial is testingGROWing Up With Rare GENEtic SyndromesWho this might be right forPrader-Willi SyndromePWS-like SyndromeSilver Russel Syndrome+30 more dr. Laura C. G. de Graaff-Herder 600
Not applicableEnded earlyNCT02461303What this trial is testingFertility Assessment in Patients With Klinefelter SyndromeWho this might be right forKlinefelter Syndrome University of Pittsburgh 6
Post-approval studies (Phase 4)Active Not RecruitingNCT05498090What this trial is testingInterrogating Fatty Acid Metabolism Impairment and Clinical Correlates in Males with Klinefelter SyndromeWho this might be right forKlinefelter Syndrome University of Colorado, Denver 44
Not applicableStudy completedNCT01703676What this trial is testingEpigenetics and Metabolic Disorders in Men With the Klinefelter SyndromeWho this might be right forKlinefelter Syndrome, Hypogonadism University Hospital Muenster 300
Not applicableUnknownNCT00891852What this trial is testingNon-Invasive Determination of Fetal Chromosome AbnormalitiesWho this might be right forDown Syndrome (Trisomy 21)Edward's Syndrome (Trisomy 18)Patau Syndrome (Trisomy 13)+3 more Lenetix Medical Screening Laboratory 1,000
Not applicableLooking for participantsNCT05581147What this trial is testingThyroid Function and Structure in Klinefelter SyndromeWho this might be right forKlinefelter SyndromeThyroiditis, AutoimmuneHypothyroidism University of Roma La Sapienza 600
Not applicableStudy completedNCT02526628What this trial is testingThrombosis and Neurocognition in Klinefelter SyndromeWho this might be right forKlinefelter SyndromeThrombosis University of Aarhus 90
Not applicableStudy completedNCT01750632What this trial is testingSubcapsular Orchiectomy in Men With Klinefelter SyndromeWho this might be right forKlinefelter Syndrome Odense University Hospital 14
Post-approval studies (Phase 4)Study completedNCT02408445What this trial is testingBody Composition in Infants With Klinefelter Syndrome and Effects of Testosterone TreatmentWho this might be right forKlinefelter Syndrome University of Colorado, Denver 20
Not applicableEnrolling By InvitationNCT07341412What this trial is testingClinical and Genetic Aspects in Fetuses and Children With Sex Chromosome DisordersWho this might be right forSex Chromosome Disorders University of Aarhus 300
Not applicableStudy completedNCT02109770What this trial is testingDevelopment of Non-invasive Prenatal Test for Microdeletion and Other Genetic Syndromes Based on Cell Free DNAWho this might be right forMicrodeletion SyndromesTrisomy 21Trisomy 18+2 more Natera, Inc. 216