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ClinicalTrials.gov public records Last synced Nov 4, 2026, 4:34 AM EST

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Showing 1–24 of 84 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: 21-OHD Clear all
Completed Phase 3 Interventional Results available

Comparison of Chronocort Versus Standard Hydrocortisone Replacement Therapy in Participants Aged 16 Years and Over With Congenital Adrenal Hyperplasia

NCT05063994
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Chronocort, Cortef, Placebo
Drug · Other
Lead sponsor
Neurocrine UK Limited
Industry
Eligibility
16 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
11
States / cities
Los Angeles, California • Orange, California • Jacksonville, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Nov 4, 2026, 4:34 AM EST
Recruiting Phase 2 Interventional

Impact of 1 mg Osilodrostat Therapy on Mild Autonomous Cortisol Secretion (MACS)

NCT07104812
View directory record Official record
Conditions
Mild Autonomous Cortisol Secretion, Autonomous Cortisol Secretion (ACS)
Interventions
Osilodrostat 1 MG
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Nov 4, 2026, 4:34 AM EST
Withdrawn Phase 3 Interventional

Open-label Comparison of Chronocort® Versus Standard Glucocorticoid Replacement Therapy

NCT03532022
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Chronocort®, Standard Care
Drug
Lead sponsor
Neurocrine UK Limited
Industry
Eligibility
16 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Morehead City, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Nov 4, 2026, 4:34 AM EST
Active, not recruiting Phase 3 Interventional Results available

Global Safety and Efficacy Registration Study of Crinecerfont in Pediatric Participants With Classic Congenital Adrenal Hyperplasia (CAHtalyst Pediatric Study)

NCT04806451
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Crinecerfont, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
2 Years to 17 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
22
States / cities
Birmingham, Alabama • Los Angeles, California • Orange, California + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced Nov 4, 2026, 4:34 AM EST
Not listed Not applicable Interventional Accepts healthy volunteers

Ovarian Contribution to Androgen Production in Adolescent Girls

NCT01421810
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obesity, Hyperandrogenism
Interventions
Dexamethasone, rhCG
Drug
Lead sponsor
University of Virginia
Other
Eligibility
7 Years to 18 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Nov 4, 2026, 4:34 AM EST
Withdrawn Phase 2 Interventional

Androgen Reduction in Congenital Adrenal Hyperplasia

NCT03548246
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Abiraterone acetate, Placebo, Hydrocortisone, Fludrocortisone
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
2 Years to 9 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
4
States / cities
Los Angeles, California • Bethesda, Maryland • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Nov 4, 2026, 4:34 AM EST
Completed Phase 1 Interventional

A Study Examining Doses of Abiraterone Acetate in Adult Women With 21-Hydroxylase Deficiency

NCT01495910
View directory record Official record
Conditions
21-hydroxylase Deficiency
Interventions
Abiraterone acetate
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
3
States / cities
Chicago, Illinois • Ann Arbor, Michigan • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 28, 2014 · Synced Nov 4, 2026, 4:34 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Clinical Evaluation of NeoPlex4 Assay and NeoPlex System

NCT01488721
View directory record Official record
Conditions
Adrenal Hyperplasia, Congenital, Congenital Hypothyroidism, Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Luminex Corporation
Industry
Eligibility
1 Day to 7 Days
Enrollment
7,462 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
3
States / cities
Albany, New York • Nashville, Tennessee • Taylorsville, Utah
Source: ClinicalTrials.gov public record
Updated Aug 17, 2012 · Synced Nov 4, 2026, 4:34 AM EST
Completed Phase 3 Interventional Results available

A Study of the Efficacy, Safety and Tolerability of Chronocort in Treating CAH

NCT03062280
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Hydrocortisone
Drug
Lead sponsor
Neurocrine UK Limited
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Nov 4, 2026, 4:34 AM EST
Active, not recruiting Phase 2 Interventional

Metyrapone for Mild Autonomous Cortisol Secretion (MACS)

NCT06106295
View directory record Official record
Conditions
Autonomous Cortisol Secretion, Mild Autonomous Cortisol Secretion (MACS)
Interventions
Metyrapone
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Nov 4, 2026, 4:34 AM EST
Completed Phase 2 Interventional Results available

Study of SPR001 in Adults With Classic Congenital Adrenal Hyperplasia

NCT03257462
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia, CAH - Congenital Adrenal Hyperplasia
Interventions
SPR001
Drug
Lead sponsor
Spruce Biosciences
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
9
States / cities
Orange, California • San Diego, California • Melbourne, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Nov 4, 2026, 4:34 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Androgen Administration on Inflammation in Normal Women

NCT01753037
View directory record Official record
Conditions
Hyperandrogenism
Interventions
Dehydroepiandrosterone (DHEA), Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 18, 2013 · Synced Nov 4, 2026, 4:34 AM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Treating Inflammation in Polycystic Ovary Syndrome to Ameliorate Ovarian Dysfunction

NCT03229408
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Salsalate, Placebo
Drug · Other
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Nov 4, 2026, 4:34 AM EST
Completed Phase 3 Interventional Results available

A Study of the Efficacy and Safety of Relacorilant in Patients With Cortisol-Secreting Adrenal Adenomas

NCT04308590
View directory record Official record
Conditions
Hypercortisolism
Interventions
Relacorilant, Placebo
Drug · Other
Lead sponsor
Corcept Therapeutics
Industry
Eligibility
18 Years to 80 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
22
States / cities
Birmingham, Alabama • Stanford, California • Torrance, California + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Nov 4, 2026, 4:34 AM EST
Completed Not applicable Interventional

Examining Genetic Differences Among People With 21-Hydroxylase Deficiency

NCT00542841
View directory record Official record
Conditions
21-hydroxylase Deficiency
Interventions
Hydrocortisone withdrawal
Procedure
Lead sponsor
Maria I. New
Other
Eligibility
18 Years to 50 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
New York, New York • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Nov 4, 2026, 4:34 AM EST
Enrolling by invitation No phase listed Observational

International Registry of Congenital Portosystemic Shunt (IRCPSS)

NCT06041906
View directory record Official record
Conditions
Congenital Portosystemic Shunt, CPSS (Congenital Portosystemic Shunt)
Interventions
Shunt Closure
Procedure
Lead sponsor
Prof. Valérie Mc Lin
Other
Eligibility
1 Day and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
2
States / cities
New Haven, Connecticut • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Nov 4, 2026, 4:34 AM EST
Terminated Phase 2 Interventional Results available

A Phase 2 Study to Evaluate the Safety, Efficacy and PK of Tildacerfont in Children Aged 2-17 Years With CAH

NCT05128942
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia, 21-OHD
Interventions
Tildacerfont
Drug
Lead sponsor
Spruce Biosciences
Industry
Eligibility
2 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
13
States / cities
Sacramento, California • San Diego, California • Chicago, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Nov 4, 2026, 4:34 AM EST
Recruiting Phase 2 Interventional

Metyrapone Study for Patients Diagnosed With Mild Autonomous Cortisol Secretion - MACS

NCT07138274
View directory record Official record
Conditions
Mild Autonomous Cortisol Secretion (MACS), Autonomous Cortisol Secretion (ACS)
Interventions
Metyrapone 250 mg Oral Tablets, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Nov 4, 2026, 4:34 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Tweens to Teens Project at Penn State

NCT01184651
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Questionnaires/Interviews
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
10 Years to 13 Years · Female only
Enrollment
188 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 8, 2018 · Synced Nov 4, 2026, 4:34 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Qualitative Research on Women With Congenital Adrenal Hyperplasia

NCT00559078
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Interview
Other
Lead sponsor
Lehigh University
Other
Eligibility
25 Years to 55 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 9, 2009 · Synced Nov 4, 2026, 4:34 AM EST
Completed Not applicable Interventional Results available

Effect of Metformin on Sensitivity of the GnRH Pulse Generator to Suppression by Estradiol and Progesterone

NCT01427595
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Hyperandrogenism
Interventions
Metformin, Progesterone, estrace
Drug
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 17 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 8, 2021 · Synced Nov 4, 2026, 4:34 AM EST
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Development of Healthcare Transition for Patients With Congenital Adrenal Hyperplasia

NCT07611786
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
exposure to healthcare transition protocol
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
16 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Nov 4, 2026, 4:34 AM EST
Not listed No phase listed Observational Accepts healthy volunteers

Assessment of Day-night Secretion of Progesterone and LH Across Puberty

NCT02155933
View directory record Official record
Conditions
Puberty, Hyperandrogenism
Interventions
Blood sampling
Other
Lead sponsor
University of Virginia
Other
Eligibility
7 Years to 17 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Nov 4, 2026, 4:34 AM EST
Completed Phase 2 Interventional Results available

Comparison of Cortisol Pump With Standard Treatment for Congenital Adrenal Hyperplasia

NCT01859312
View directory record Official record
Conditions
Adrenal Insufficiency, Excess Androgen, Congenital Adrenal Hyperplasia (CAH)
Interventions
Hydrocortisone (Solucortef), Insulin pump (Medtronic)
Drug · Device
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 99 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 22, 2017 · Synced Nov 4, 2026, 4:34 AM EST