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Showing 1–24 of 83 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: 21-OHD Clear all
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Hyperandrogenemia and Altered Day-night LH Pulse Patterns

NCT03068910
View directory record Official record
Conditions
Hyperandrogenism, Polycystic Ovary Syndrome, Puberty
Interventions
Micronized progesterone, Spironolactone, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 17 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Comparison of Two Forms of Hydrocortisone in Patients With Congenital Adrenal Hyperplasia

NCT00519818
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia, 21-Hydroxylase Deficiency, Adrenogenital Syndrome
Interventions
Chronocort, Cortef
Drug
Lead sponsor
Neurocrine UK Limited
Industry
Eligibility
16 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional

SPI-62 as a Treatment for Hypercortisolism Related to a Benign Adrenal Tumor

NCT05436639
View directory record Official record
Conditions
Autonomous Cortisol Secretion (ACS), ACTH-Independent Cushing Syndrome, ACTH-Independent Adrenal Cushing Syndrome, Somatic
Interventions
SPI-62 dose
Drug
Lead sponsor
Sparrow Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Rochester, Minnesota • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
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 10, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional Results available

A Study of ATR-101 for the Treatment of Congenital Adrenal Hyperplasia

NCT02804178
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
ATR-101
Drug
Lead sponsor
Millendo Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
6
States / cities
Baltimore, Maryland • Bethesda, Maryland • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Sep 13, 2026, 1:23 PM EDT
Terminated Phase 2 Interventional Results available

A Ph2b to Evaluate Clinical Efficacy and Safety of Tildacerfont in Adult CAH

NCT04457336
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Tildacerfont/Placebo
Drug
Lead sponsor
Spruce Biosciences
Industry
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
28
States / cities
Birmingham, Alabama • Los Angeles, California • Orange, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Does Spironolactone Normalize Sleep-wake Luteinizing Hormone Pulse Frequency in Pubertal Girls With Hyperandrogenism?

NCT04723862
View directory record Official record
Conditions
Hyperandrogenism, Polycystic Ovary Syndrome, Puberty
Interventions
Spironolactone, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 17 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Recruiting Phase 2Phase 3 Interventional

A Study in Pediatric Participants With Congenital Adrenal Hyperplasia (Balance-CAH)

NCT07159841
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia, Classic Congenital Adrenal Hyperplasia
Interventions
Atumelnant, Placebo
Drug
Lead sponsor
Crinetics Pharmaceuticals Inc.
Industry
Eligibility
1 Year to 17 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
9
States / cities
San Francisco, California • Boston, Massachusetts • Ann Arbor, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional

Research Study for Children With Salt Wasting Congenital Adrenal Hyperplasia

NCT00529841
View directory record Official record
Conditions
Adrenal Hyperplasia, Congenital
Interventions
Hydrocortisone sodium acetate
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Years to 18 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2015 · Synced Sep 13, 2026, 1:23 PM EDT
Recruiting Phase 4 Interventional

Isturisa Treatment in Mild Autonomous Cortisol Secretion( MACS)

NCT07247058
View directory record Official record
Conditions
Mild Autonomous Cortisol Secretion (MACS)
Interventions
Osilodrostat (Isturisa)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
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 16, 2012 · Synced Sep 13, 2026, 1:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Decision Support for Parents Receiving Information About Child's Rare Disease

NCT01875640
View directory record Official record
Conditions
Disorder of Sex Development, Intersex Conditions, Congenital Adrenal Hyperplasia, Hypospadias
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
Not listed
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
4
States / cities
Los Angeles, California • Ann Arbor, Michigan • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 13, 2026, 1:23 PM EDT
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 Apr 7, 2022 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

The Effect of Metformin Added to Clomiphene Citrate on Pregnancy Rates in Hyperandrogenic, Chronic Oligoovulatory or Anovulatory Women

NCT00413179
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Anovulation, Oligoovulation, Infertility, Hyperandrogenism
Interventions
Metformin, Clomiphene citrate, Placebo
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2003
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2006 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 1 Interventional Results available

Subcutaneous Hydrocortisone Children With Congenital Adrenal Hyperplasia

NCT03718234
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia, Hyperplasia, Adrenal Hyperplasia, Congenital Disorders, Adrenocortical Hyperfunction, Disorders of Sex Development, Urogenital Abnormalities, Genetic Diseases, Inborn, Steroid Metabolic Diseases, Inborn, Adrenal Gland Disease, Hydrocortisone
Interventions
Subcutaneous hydrocortisone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
4 Years to 18 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study of Gene Therapy for Classic Congenital Adrenal Hyperplasia (CAH)

NCT04783181
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
AAV BBP-631
Biological
Lead sponsor
Adrenas Therapeutics Inc
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
5
States / cities
Chicago, Illinois • Bethesda, Maryland • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Chronocort® With Standard Glucocorticoid Therapy in Patients With Congenital Adrenal Hyperplasia

NCT02716818
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Chronocort®, standard glucocorticoid therapy
Drug
Lead sponsor
Neurocrine UK Limited
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Sep 13, 2026, 1:23 PM EDT
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 Feb 24, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Safety and Efficacy of SPR001 in Subjects With Classic Congenital Adrenal Hyperplasia

NCT03687242
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia, CAH - Congenital Adrenal Hyperplasia, CAH - 21-Hydroxylase Deficiency
Interventions
SPR001
Drug
Lead sponsor
Spruce Biosciences
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
8
States / cities
Orange, California • San Diego, California • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of a Commonly Used Antibiotic, Doxycycline, in Women With Polycystic Ovarian Syndrome

NCT01788215
View directory record Official record
Conditions
Polycystic Ovarian Syndrome (PCOS), Irregular Menstrual Cycles, Androgen Excess
Interventions
doxycycline, Sugar Pill
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2016 · Synced Sep 13, 2026, 1:23 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Sleep-wake Changes of Luteinizing Hormone Frequency in Pubertal Girls With and Without High Testosterone

NCT00930007
View directory record Official record
Conditions
Hyperandrogenism
Interventions
Blood sampling
Other
Lead sponsor
University of Virginia
Other
Eligibility
8 Years to 15 Years · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of NBI-74788 (Crinecerfont) in Pediatric Participants With Congenital Adrenal Hyperplasia

NCT04045145
View directory record Official record
Conditions
CAH - Congenital Adrenal Hyperplasia
Interventions
Crinecerfont
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
14 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
6
States / cities
San Diego, California • Aurora, Colorado • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2024 · Synced Sep 13, 2026, 1:23 PM EDT
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 21, 2017 · Synced Sep 13, 2026, 1:23 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Determining the Long-Term Effects of Prenatal Dexamethasone Treatment in Children With 21-Hydroxylase Deficiency and Their Mothers

NCT00617292
View directory record Official record
Conditions
Adrenal Hyperplasia, Congenital
Interventions
Not listed
Lead sponsor
Office of Rare Diseases (ORD)
NIH
Eligibility
12 Years and older
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
New York, New York • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 8, 2008 · Synced Sep 13, 2026, 1:23 PM EDT