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82 studies found for:    "21-hydroxylase deficiency"
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Rank Status Study
21 Completed Catecholamine Reserve and Exercise Tolerance in Healthy Volunteers and Patients With Congenital Adrenal Hyperplasia
Conditions: Congenital Adrenal Hyperplasia;   Healthy
Intervention:
22 Completed Three Drug Combination Therapy Versus Conventional Treatment of Children With Congenital Adrenal Hyperplasia
Conditions: Congenital Adrenal Hyperplasia;   Growth Disorder
Interventions: Drug: Flutamide and Testolactone;   Drug: Deslorelin
23 Completed
Has Results
Comparison of Two Forms of Hydrocortisone in Patients With Congenital Adrenal Hyperplasia
Conditions: Congenital Adrenal Hyperplasia;   21-Hydroxylase Deficiency;   Adrenogenital Syndrome
Interventions: Drug: Chronocort;   Drug: Cortef
24 Recruiting Prenatal Dex Study
Condition: Congenital Adrenal Hyperplasia
Intervention: Behavioral: Neuropsychological and cognitive assessment
25 Completed Congenital Adrenal Hyperplasia: Calcium Channels as Therapeutic Targets
Condition: Congenital Adrenal Hyperplasia
Intervention: Drug: Nifedipine
26 Recruiting A Study of the Efficacy, Safety and Tolerability of Chronocort in Treating CAH
Condition: Congenital Adrenal Hyperplasia
Intervention: Drug: Hydrocortisone
27 Completed Comparison of Cortisol Pump With Standard Treatment for Congenital Adrenal Hyperplasia
Conditions: Adrenal Insufficiency;   Excess Androgen;   Congenital Adrenal Hyperplasia (CAH)
Interventions: Drug: Hydrocortisone (Solucortef);   Device: Insulin pump (Medtronic)
28 Completed Adrenal Hyperplasia Among Young People With PCOS
Conditions: Adrenal Hyperplasia;   Polycystic Ovarian Syndrome;   Oligomenorrhea;   Obesity;   Hyperandrogenism
Intervention:
29 Unknown  Tweens to Teens Project at Penn State
Condition: Congenital Adrenal Hyperplasia
Intervention: Behavioral: Questionnaires/Interviews
30 Completed
Has Results
Pilot Study to Characterize and Examine the Pharmacokinetics and Efficacy of Chronocort® in Adults With CAH
Conditions: Endocrine Disease;   Adrenal Insufficiency;   Congenital Adrenal Hyperplasia
Intervention: Drug: Hydrocortisone Modified Release Capsules
31 Recruiting Mutations of Glucocorticoid Receptor in Bilateral Adrenal Hyperplasia
Condition: General Glucocorticoid Resistance
Intervention: Genetic: blood collection for mutation characterization
32 Completed An Open Label Study in Healthy Volunteers to Compare Chronocort® to Hydrocortisone
Conditions: Congenital Adrenal Hyperplasia;   Adrenal Insufficiency
Interventions: Drug: Hydrocortisone;   Drug: Chronocort
33 Completed A Two-part, Study to Compare the Pharmacokinetics and Dose Proportionality of up to 6 Chronocort Formulations
Conditions: Adrenal Insufficiency;   Congenital Adrenal Hyperplasia
Intervention: Drug: Chronocort
34 Enrolling by invitation Natural History Study of Patients With Excess Androgen
Conditions: Congenital Adrenal Hyperplasia (CAH);   Familial Male-Limited Precocious Puberty (FMPP)
Intervention:
35 Unknown  Mutation Analysis of 17α-Hydroxylase
Conditions: Pseudohermaphroditism;   Congenital Adrenal Hyperplasia;   Hypertension
Intervention: Procedure: blood drawing
36 Completed Clinical Evaluation of NeoPlex4 Assay and NeoPlex System
Conditions: Adrenal Hyperplasia, Congenital;   Congenital Hypothyroidism;   Cystic Fibrosis
Intervention:
37 Active, not recruiting Decision Support for Parents Receiving Information About Child's Rare Disease
Conditions: Disorder of Sex Development;   Intersex Conditions;   Congenital Adrenal Hyperplasia;   Hypospadias
Intervention: Behavioral: Decision Support Tool
38 Recruiting Extension Study for Patients Entered Into Study Infacort 003
Condition: Adrenal Insufficiency
Intervention: Drug: Infacort®
39 Not yet recruiting Dynamic Hormone Diagnostics in Endocrine Disease
Conditions: Adrenal Insufficiency;   Congenital Adrenal Hyperplasia;   Cushing Syndrome;   Growth Hormone Deficiency;   Acromegaly;   Primary Hyperaldosteronism
Intervention: Other: 27 hour subcutaneous fluid sampling
40 Withdrawn Gene Polymorphisms Influencing Steroid Synthesis and Action
Conditions: Disorders of Sex Development;   Congenital Adrenal Hyperplasia;   Congenital Adrenal Hypoplasia;   Adrenal Insufficiency;   Mineralocorticoid Deficiency;   Intersex
Intervention:

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Study has passed its completion date and status has not been verified in more than two years.