| Not Yet Recruiting | A Study Comparing Different Treatment Approaches for the Initiation of Puberty in Girls With Turner Syndrome U NCT07041814 | Universiti Kebangsaan Malaysia Medical Centre | Phase 2 |
| Recruiting | Trial Investigating the Efficacy and Safety of Weekly Lonapegsomatropin Compared to Daily Somatropin in Childr NCT07221851 | Ascendis Pharma A/S | Phase 3 |
| Recruiting | Parental Project Amongst 93 Patients With Turner Syndrome NCT07344012 | University Hospital, Strasbourg, France | — |
| Recruiting | Bleeding Patterns in Sequential and Continuous Progesterone Supplementation in Adolescents With Turner Syndrom NCT06834594 | Children's Mercy Hospital Kansas City | Phase 4 |
| Recruiting | Genetic and Epigenetic Background of Inner Ear Dysfunction in Turner Syndrome NCT06507007 | Gødstrup Hospital | — |
| Recruiting | Characterization of Hepatopathy in Turner Syndrome: Analysis of Determinants NCT06794190 | IRCCS Azienda Ospedaliero-Universitaria di Bologna | — |
| Not Yet Recruiting | Growing up With the Young Endocrine Support System (YESS!) NCT04252001 | dr. Laura C. G. de Graaff-Herder | N/A |
| Recruiting | A Basket Study of Vosoritide in Children With Turner Syndrome, Short Stature Homeobox-Containing Gene Deficien NCT06668805 | BioMarin Pharmaceutical | Phase 2 |
| Recruiting | Vosoritide for Short Stature in Turner Syndrome NCT05849389 | Roopa Kanakatti Shankar, MBBS, MS | Phase 2 |
| Recruiting | Identification of Y Chromosome From Free Circulating DNA in Patients With Turner Syndrome NCT06202846 | University Hospital, Strasbourg, France | N/A |
| Recruiting | Cardiopulmonary Exercise Testing in Girls (8-18y) with Turner Sydrome. NCT06780514 | University Hospital, Ghent | N/A |
| Recruiting | Lymphedema, Low-grade Inflammation and the Vasculature in Turner Syndrome NCT06325618 | University of Aarhus | — |
| Completed | Retrospective Analysis of the Neonatal Management of Patients with an Antenatal Diagnosis of Genital Developme NCT06687252 | Hospices Civils de Lyon | — |
| Active Not Recruiting | A Trial to Investigate Different Doses of Lonapegsomatropin Compared to Somatropin in Individuals With Turner NCT05690386 | Ascendis Pharma Endocrinology Division A/S | Phase 2 |
| Active Not Recruiting | A Research Study Looking at How Safe Somapacitan is and How Well it Works in Children Who Need Help to Grow - NCT05723835 | Novo Nordisk A/S | Phase 3 |
| Completed | Mehri Turki Webbed Neck Classification NCT06489392 | Mohamed Tahar Maamouri University Hospital | — |
| Recruiting | The Danish TURNER Cryopreservation Study NCT05740579 | University of Aarhus | N/A |
| Completed | A Real-world Study of Long-acting Growth Hormone Injection for Turner Syndrome NCT06722079 | Changchun GeneScience Pharmaceutical Co., Ltd. | — |
| Unknown | Endocrine, Metabolic, Cardiovascular and Immunological Aspects of Sex Chromosome Abnormalities in Relation to NCT05425953 | University of Aarhus | — |
| Completed | Effects of Adrenal Androgens on Gender-typed Behavior in Girls With Turner Syndrome NCT05346159 | Sohag University | — |
| Withdrawn | Effect of Turner Syndrome on Number Sense NCT03459651 | Stanford University | N/A |
| Completed | Is There a Link Between Inflammation and Endocrinopathies in Turner Syndrome? NCT05473091 | Central Hospital, Nancy, France | — |
| Completed | A Trial of YPEG-rhGH in Children With Short Stature NCT05838885 | Xiamen Amoytop Biotech Co., Ltd. | Phase 2 |
| Unknown | Sexuality and Sexual Quality of Life in Adult Patients With Turner Syndrome (TS) Compared With Patients With P NCT05223621 | Assistance Publique - Hôpitaux de Paris | — |
| Recruiting | Determining Dose Equivalence Between Oral and Transdermal Estrogen Treatment in Women With Turner Syndrome NCT06544473 | Aarhus University Hospital | Phase 4 |
| Recruiting | Long Term Effects of Oral Versus Transdermal Estrogen Replacement Therapy in Turner Syndrome NCT06570460 | Aarhus University Hospital | Phase 4 |
| Recruiting | Gonadal Tissue Freezing for Fertility Preservation in Individuals at Risk for Ovarian Dysfunction, Premature O NCT04948658 | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | — |
| Recruiting | Long-term Safety and Effectiveness of Growtropin®-II Treatment in Children With Short Stature NCT04798690 | Dong-A ST Co., Ltd. | — |
| Recruiting | Inspiring New Science In Guiding Healthcare in Turner Syndrome Registry NCT05052606 | University of Colorado, Denver | — |
| Unknown | Turner Syndrome Minipuberty Study NCT04189406 | Radboud University Medical Center | — |
| Recruiting | Neuropsychological Assessment of Children and Adolescents With Turner Syndrome NCT03812913 | University Hospital, Angers | — |
| Recruiting | Role of Cardiac AngioMR in Diagnosis of Cardiac and Vascular Anomalies in Adult Patients with Turner Syndrome NCT06178887 | Azienda Ospedaliero-Universitaria di Modena | — |
| Enrolling By Invitation | Parent and Infant Inter(X)Action Intervention (PIXI) NCT03836300 | RTI International | N/A |
| Recruiting | GROWing Up With Rare GENEtic Syndromes NCT04463316 | dr. Laura C. G. de Graaff-Herder | — |
| Unknown | Turner And Klinefelter Treatment Target Study NCT04803474 | dr. Laura C. G. de Graaff-Herder | — |
| Active Not Recruiting | Preservation of Ovarian Cortex Tissue in Girls With Turner Syndrome NCT03381300 | Radboud University Medical Center | N/A |
| Completed | Health, Fitness, and Quality of Life in Adolescent Girls With Turner Syndrome NCT03181230 | University of Colorado, Denver | — |
| Completed | Evaluation of the Ease of Use, Preference, and Safety of EutropinPen Inj. NCT03015909 | LG Life Sciences | Phase 4 |
| Unknown | A Study of PEG-somatropin Injection to Treat Children of Turner Syndrome NCT03189160 | Changchun GeneScience Pharmaceutical Co., Ltd. | Phase 2 |
| Active Not Recruiting | Pathogenetic Basis of Aortopathy and Aortic Valve Disease NCT03440697 | Yale University | — |
| Completed | Expanded Noninvasive Genomic Medical Assessment: The Enigma Study NCT02787486 | Progenity, Inc. | — |
| Recruiting | UTHealth Turner Syndrome Research Registry NCT03185702 | The University of Texas Health Science Center, Houston | — |
| Recruiting | Natural History of Noncirrhotic Portal Hypertension NCT02417740 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | — |
| Unknown | Whole Blood Specimen Collection From Pregnant Subjects NCT02430584 | Progenity, Inc. | — |
| Terminated | Clinical Performance of the MaterniT21 PLUS LDT in Multiple Gestation Pregnancies NCT02226315 | Sequenom, Inc. | — |
| Completed | Micro RNAs as a Marker of Aortic Aneurysm in Hereditary Aortopathy Syndromes NCT02213484 | University of Colorado, Denver | — |
| Completed | Risk of Diabetes in Young Turner Syndrome Patients NCT02160717 | Children's Hospital Medical Center, Cincinnati | — |
| Unknown | Prospective Characterization of the Heart, Aorta and Blood Pressure in Turner Syndrome. Association With Aorti NCT01678274 | University of Aarhus | — |
| Unknown | AVAST Anomalies Vasculaires Associées au Syndrome de Turner (Vascular Abnormalities Associated With Turner Syn NCT02250456 | University Hospital, Strasbourg, France | — |
| Completed | Social Cognition and Turner Syndrome NCT01687842 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | Aortopathy in Persons With Bicuspid Aortic Valve, Turner and Marfan Syndrome NCT01760668 | University of Aarhus | — |
| Completed | X-chromosome Inactivation, Epigenetics and the Transcriptome NCT01678261 | University of Aarhus | — |
| Recruiting | Long-term Safety and Effectiveness of Growth Hormone With GHD, TS, CRF, SGA , ISS and PWS in Children NCT01604395 | LG Chem | — |
| Completed | First Year Growth Response Associated Genetic Markers Validation Phase IV Open-label Study in Growth Hormone D NCT01419249 | Merck KGaA, Darmstadt, Germany | Phase 4 |
| Completed | Usability and Tolerability of the Norditropin NordiFlex® Injection Device in Children Never Previously Treated NCT01327924 | Novo Nordisk A/S | — |
| Active Not Recruiting | Cryopreservation of Ovarian Cortex in Girls With Turner Syndrome NCT01410045 | Assistance Publique - Hôpitaux de Paris | N/A |
| Completed | Norditropin NordiFlex® Device Compared to the Device Previously Used by Patients or Parents NCT01245374 | Novo Nordisk A/S | Phase 4 |
| Completed | Effect of Growth Hormone on Early Brain Development in Girls With Turner Syndrome NCT01367834 | Rebecca Knickmeyer Santelli, PhD | N/A |
| Completed | Estrogen Dosing in Turner Syndrome: Pharmacology and Metabolism NCT00837616 | Nemours Children's Clinic | Phase 4 |
| Completed | Non-Invasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker NCT00770458 | Sequenom, Inc. | — |
| Completed | National Registry of Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions NCT01322165 | National Heart, Lung, and Blood Institute (NHLBI) | — |
| Completed | Growth Hormone Treatment of Women With Turner Syndrome NCT00420654 | Britta E. Hjerrild | N/A |
| Completed | Evaluation of Convenience and Compliance of the Easypod™ Electronic Self-injector NCT00738205 | Merck KGaA, Darmstadt, Germany | — |
| Completed | Dry Eye in Women With Turner Syndrome and Women With Premature Ovarian Failure NCT00471731 | National Eye Institute (NEI) | — |
| Completed | Sex Differences in Early Brain Development; Brain Development in Turner Syndrome NCT00877942 | University of North Carolina, Chapel Hill | — |
| Completed | Observational Prospective Study on Patients Treated With Norditropin® NCT00960128 | Novo Nordisk A/S | — |
| Unknown | Turner Syndrome Prenatal Diagnosis Study NCT01668251 | Seattle Children's Hospital | — |
| Completed | Long-Term Growth and Skeletal Effects of Early Growth Hormone Treatment in Turner Syndrome NCT00266656 | Eli Lilly and Company | Phase 4 |
| Completed | Defining the Optimal Hormonal Replacement Therapy in Turner Syndrome NCT00134745 | Line Cleemann | Phase 4 |
| Terminated | Study to Identify Markers of Insulin Resistance During Growth Hormone Treatment for Short Stature NCT00121875 | Massachusetts General Hospital | — |
| Completed | Predictive Markers in Growth Hormone Deficiency (GHD) and Turner Syndrome (TS) Children Treated With SAIZEN® NCT00256126 | Merck KGaA, Darmstadt, Germany | Phase 4 |
| Completed | Non-interventional Study of Patients Using Norditropin® for Growth Hormone Deficiency or Turner Syndrome NCT01604161 | Novo Nordisk A/S | — |
| Completed | D3-GHR Polymorphism and Turner Syndrome NCT00443144 | University Hospital Tuebingen | — |
| Terminated | Beta Cell Function in Women With Turner Syndrome NCT00419107 | University of Aarhus | — |
| Completed | Study to Define Optimal IGF-1 Monitoring in Children Treated With NutropinAq NCT00234533 | Ipsen | Phase 3 |
| Unknown | Aortic Dimensions in Turner Syndrome NCT00624949 | University of Aarhus | — |
| Completed | Estrogen Treatment (Oral vs. Patches) in Turner Syndrome NCT00140998 | Nemours Children's Clinic | Phase 3 |
| Completed | Safety and Efficacy of Long-term Somatropin Treatment in Children NCT01543867 | Novo Nordisk A/S | — |
| Completed | Evaluating Acceptance of New Liquid Somatropin Formulation in Children With Growth Hormone Deficiency NCT01563926 | Novo Nordisk A/S | Phase 3 |
| Completed | Bone Mineral Density (BMD) in Adolescents With Growth Hormone Deficiency (GHD) NCT00097526 | Genentech, Inc. | — |
| Completed | The Effect of Growth Hormone in Very Young Girls With Turner Syndrome NCT00406926 | Eli Lilly and Company | Phase 3 |
| Completed | Induction of Puberty With 17-beta Estradiol in Girls With Turner Syndrome NCT01710696 | Novo Nordisk A/S | Phase 3 |
| Completed | A Study to Evaluate Subjects With Turner Syndrome Treated With Growth Hormone NCT00097552 | Genentech, Inc. | — |
| Completed | Quantitative Liver Functions in Turner Syndrome With and Without Hormone Replacement Therapy NCT00825617 | University of Aarhus | N/A |
| Completed | Growth Response in Girls With Turner Syndrome NCT01734486 | Novo Nordisk A/S | Phase 4 |
| Unknown | Long Term Follow-up of Bone Mineral Density in Hormone Treated Turner Syndrome NCT00625001 | University of Aarhus | — |
| Completed | The Effect of Androgen and Growth Hormone on Height and Learning in Girls With Turner Syndrome NCT00029159 | Thomas Jefferson University | Phase 3 |
| Completed | Safety of Somatropin and Induction of Puberty With 17-beta-oestradiol in Girls With Turner Syndrome NCT01518062 | Novo Nordisk A/S | Phase 4 |
| Completed | Somatropin Treatment to Final Height in Turner Syndrome NCT00191113 | Eli Lilly and Company | Phase 3 |
| Completed | Use of Somatropin in Turner Syndrome NCT01518036 | Novo Nordisk A/S | Phase 3 |