| Not Yet Recruiting | Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Crinecerfont in Participants With Classic Conge NCT07536269 | Neurocrine Biosciences | Phase 2 |
| Recruiting | A Study in Pediatric Participants With Congenital Adrenal Hyperplasia (Balance-CAH) NCT07159841 | Crinetics Pharmaceuticals Inc. | Phase 2 / Phase 3 |
| Recruiting | A Study to Evaluate Atumelnant in Adults With Congenital Adrenal Hyperplasia NCT07144163 | Crinetics Pharmaceuticals Inc. | Phase 3 |
| Withdrawn | A Study of a Virtual Education-Based Transition Intervention to Improve Transition Readiness in Adolescent and NCT05663320 | National Institutes of Health Clinical Center (CC) | N/A |
| Recruiting | Pharmacokinetics, Safety and Tolerability of Crinecerfont in Participants With Congenital Adrenal Hyperplasia NCT07187375 | Neurocrine Biosciences | Phase 2 |
| Recruiting | An Extension Study to Evaluate Safety and Efficacy in Participants Treated With CRN04894 NCT06712823 | Crinetics Pharmaceuticals Inc. | Phase 2 |
| Completed | Investigation of the Etiology of Hypertension and Endothelial Damage in Patients With Cytochrome P450 Oxidored NCT06756620 | Ozge Bayrak Demirel | — |
| Not Yet Recruiting | Growing up With the Young Endocrine Support System (YESS!) NCT04252001 | dr. Laura C. G. de Graaff-Herder | N/A |
| Not Yet Recruiting | Testicular Adrenal Rest Tumor in Congenital Adrenal Hyperplasia Patients Attending Assuit University Children NCT06564220 | Assiut University | — |
| Recruiting | Institutional Registry of Rare Diseases NCT06573723 | Hospital Italiano de Buenos Aires | — |
| Completed | Exercise Capacity, Physical Fitness, and Physical Activity Levels in Children With CAH NCT06449456 | Hacettepe University | — |
| Completed | Evaluate the Safety, Efficacy, and Pharmacokinetics of CRN04894 in Participants With Congenital Adrenal Hyperp NCT05907291 | Crinetics Pharmaceuticals Inc. | Phase 2 |
| Withdrawn | Androgen Reduction in Congenital Adrenal Hyperplasia NCT03548246 | University of Texas Southwestern Medical Center | Phase 2 |
| Recruiting | A Trial of Lu AG13909 in Participants With Congenital Adrenal Hyperplasia NCT05669950 | H. Lundbeck A/S | Phase 1 / Phase 2 |
| Completed | Baby Detect : Genomic Newborn Screening NCT05687474 | Centre Hospitalier Universitaire de Liege | — |
| Recruiting | Electronic Registry of Male Patients With Congenital Adrenal Hyperplasia 21-hydroxylase Deficiency NCT06754423 | IRCCS Azienda Ospedaliero-Universitaria di Bologna | — |
| Completed | Comparison of Chronocort Versus Standard Hydrocortisone Replacement Therapy in Participants Aged 16 Years and NCT05063994 | Neurocrine UK Limited | Phase 3 |
| Completed | Long-term Safety Study of Chronocort in the Treatment of Participants With Congenital Adrenal Hyperplasia NCT05299554 | Neurocrine UK Limited | Phase 3 |
| Terminated | A Phase 2 Study to Evaluate the Safety, Efficacy and PK of Tildacerfont in Children Aged 2-17 Years With CAH NCT05128942 | Spruce Biosciences | Phase 2 |
| Unknown | Gonadal Changes In Congenital Adrenal Hyperplasia Patients NCT04903587 | Ain Shams University | — |
| Completed | A Study to Determine Eligibility for CAH-301 (A Study of Gene Therapy for Classic Congenital Adrenal Hyperplas NCT05101902 | Adrenas Therapeutics Inc | — |
| Active Not Recruiting | A Study of Gene Therapy for Classic Congenital Adrenal Hyperplasia (CAH) NCT04783181 | Adrenas Therapeutics Inc | Phase 1 / Phase 2 |
| Active Not Recruiting | Global Safety and Efficacy Registration Study of Crinecerfont in Pediatric Participants With Classic Congenita NCT04806451 | Neurocrine Biosciences | Phase 3 |
| Recruiting | China Adrenal Disease Registry NCT04890444 | Shanghai Jiao Tong University School of Medicine | — |
| Terminated | A Ph2b to Evaluate Tildacerfont in the Reduction of Glucocorticoid Steroid Doses in Adult CAH NCT04544410 | Spruce Biosciences | Phase 2 |
| Active Not Recruiting | Global Safety and Efficacy Registration Study of Crinecerfont for Congenital Adrenal Hyperplasia NCT04490915 | Neurocrine Biosciences | Phase 3 |
| Completed | Retrospective Multicentre Study on the Impact of Neonatal Screening for Congenital Adrenal Hyperplasia in Ital NCT06728748 | IRCCS Azienda Ospedaliero-Universitaria di Bologna | — |
| Unknown | Comparisons of Different Forms of Glucocorticoid on the Recovery of Reproductive Function in Patients With 21α NCT04536662 | Shanghai Jiao Tong University School of Medicine | Phase 4 |
| Unknown | Effects and Importance of Epinephrine/Adrenalin Deficiency in CAH NCT05162950 | Region Stockholm | — |
| Terminated | A Ph2b to Evaluate Clinical Efficacy and Safety of Tildacerfont in Adult CAH NCT04457336 | Spruce Biosciences | Phase 2 |
| Unknown | Final Height in Patients With CAH NCT04293133 | Ain Shams University | — |
| Unknown | Linear Growth of Children With Congenital Adrenal Hyperplasia NCT04087148 | Assiut University | — |
| Completed | Subcutaneous Hydrocortisone Children With Congenital Adrenal Hyperplasia NCT03718234 | University of Minnesota | Phase 1 |
| Withdrawn | Open-label Comparison of Chronocort® Versus Standard Glucocorticoid Replacement Therapy NCT03532022 | Neurocrine UK Limited | Phase 3 |
| Recruiting | GROWing Up With Rare GENEtic Syndromes NCT04463316 | dr. Laura C. G. de Graaff-Herder | — |
| Completed | Study to Evaluate the Safety and Efficacy of SPR001 in Subjects With Classic Congenital Adrenal Hyperplasia NCT03687242 | Spruce Biosciences | Phase 2 |
| Terminated | Nevanimibe HCl for the Treatment of Classic CAH NCT03669549 | Millendo Therapeutics US, Inc. | Phase 2 |
| Terminated | Androgen Reduction in Congenital Adrenal Hyperplasia, Phase 1 NCT02574910 | University of Texas Southwestern Medical Center | Phase 1 |
| Completed | Study of SPR001 in Adults With Classic Congenital Adrenal Hyperplasia NCT03257462 | Spruce Biosciences | Phase 2 |
| Unknown | Surgical Evaluation of Using the Prepuce in Feminizing Genitoplasty NCT03897504 | Kasr El Aini Hospital | N/A |
| Completed | Prenatal Dex Study NCT02795871 | Hospices Civils de Lyon | N/A |
| Completed | Dynamic Hormone Diagnostics in Endocrine Disease NCT02934399 | Haukeland University Hospital | — |
| Completed | A Study of the Efficacy, Safety and Tolerability of Chronocort in Treating CAH NCT03062280 | Neurocrine UK Limited | Phase 3 |
| Recruiting | Congenital Adrenal Hyperplasia Once Daily Hydrocortisone Treatment NCT03760835 | Federico II University | Phase 4 |
| Completed | A Study of ATR-101 for the Treatment of Congenital Adrenal Hyperplasia NCT02804178 | Millendo Therapeutics, Inc. | Phase 2 |
| Completed | Comparison of Chronocort® With Standard Glucocorticoid Therapy in Patients With Congenital Adrenal Hyperplasia NCT02716818 | Neurocrine UK Limited | Phase 3 |
| Withdrawn | Safety, Pharmacokinetics and Pharmacodynamics of NBI-77860 in Adolescent Females With Congenital Adrenal Hyper NCT02349503 | Neurocrine Biosciences | Phase 1 |
| Completed | Decision Support for Parents Receiving Information About Child's Rare Disease NCT01875640 | University of Michigan | — |
| Completed | Pilot Study to Characterize and Examine the Pharmacokinetics and Efficacy of Chronocort® in Adults With CAH NCT01735617 | Neurocrine UK Limited | Phase 2 |
| Unknown | COrticosteroid in Congenital Adrenal Hyperplasia NCT02552251 | University Hospital, Caen | Phase 2 / Phase 3 |
| Completed | Cardiovascular Risk Profile in Patients With Congenital Adrenal Hyperplasia NCT01807364 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | A Two-part, Study to Compare the Pharmacokinetics and Dose Proportionality of up to 6 Chronocort Formulations NCT03051893 | Neurocrine UK Limited | Phase 1 |
| Completed | Adult Height Prediction in Congenital Adrenal Hyperplasia NCT03162159 | Hospices Civils de Lyon | — |
| Completed | An Open Label Study in Healthy Volunteers to Compare Chronocort® to Hydrocortisone NCT03019614 | Neurocrine UK Limited | Phase 1 |
| Completed | Tweens to Teens Project at Penn State NCT01184651 | Penn State University | — |
| Completed | Comparison of Two Forms of Hydrocortisone in Patients With Congenital Adrenal Hyperplasia NCT00519818 | Neurocrine UK Limited | Phase 1 / Phase 2 |
| Completed | Qualitative Research on Women With Congenital Adrenal Hyperplasia NCT00559078 | Lehigh University | — |
| Withdrawn | Gene Polymorphisms Influencing Steroid Synthesis and Action NCT00485186 | University Hospital Schleswig-Holstein | — |
| Completed | Study of UK Adults With Congenital Adrenal Hyperplasia. NCT00749593 | Sheffield Teaching Hospitals NHS Foundation Trust | — |
| Unknown | Mutation Analysis of 17α-Hydroxylase NCT00172510 | National Taiwan University Hospital | — |
| Completed | Catecholamine Reserve and Exercise Tolerance in Healthy Volunteers and Patients With Congenital Adrenal Hyperp NCT00011791 | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | — |
| Completed | Effects of Pioglitazone in Congenital Adrenal Hyperplasia NCT00151710 | Radboud University Medical Center | N/A |
| Completed | Congenital Adrenal Hyperplasia: Calcium Channels as Therapeutic Targets NCT00000102 | National Center for Research Resources (NCRR) | Phase 1 / Phase 2 |