63 studies found for:    "21-hydroxylase deficiency"
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21 Completed Congenital Adrenal Hyperplasia: Calcium Channels as Therapeutic Targets
Condition: Congenital Adrenal Hyperplasia
Intervention: Drug: Nifedipine
22 Enrolling by invitation Natural History Study of Patients With Excess Androgen
Conditions: Congenital Adrenal Hyperplasia (CAH);   Familial Male-Limited Precocious Puberty (FMPP)
Intervention:
23 Unknown  Tweens to Teens Project at Penn State
Condition: Congenital Adrenal Hyperplasia
Intervention: Behavioral: Questionnaires/Interviews
24 Recruiting Brain Imaging of Childhood Onset Psychiatric Disorders, Endocrine Disorders and Healthy Children
Conditions: Autoimmune Disease;   Congenital Adrenal Hyperplasia;   Healthy;   Mental Disorder Diagnosed in Childhood;   Neurologic Manifestations
Intervention:
25 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
26 Completed Clinical Evaluation of NeoPlex4 Assay and NeoPlex System
Conditions: Adrenal Hyperplasia, Congenital;   Congenital Hypothyroidism;   Cystic Fibrosis
Intervention:
27 Withdrawn Gene Polymorphisms Influencing Steroid Synthesis and Action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:
28 Unknown  Mutation Analysis of 17α-Hydroxylase
Conditions: Pseudohermaphroditism;   Congenital Adrenal Hyperplasia;   Hypertension
Intervention: Procedure: blood drawing
29 Recruiting Phlebotomy and Polycystic Ovary Syndrome
Conditions: Hyperandrogenism;   Metabolic Cardiovascular Syndrome
Interventions: Procedure: Phlebotomy;   Drug: ethinylestradiol;   Drug: Cyproterone Acetate
30 Not yet recruiting Ultrasound Three-dimensional Characterization of Ovarian Morphology in Women With Polycystic Ovary Syndrome (PCOS)
Conditions: PCOS;   Hyperandrogenism
Interventions: Procedure: Ultrasound;   Procedure: Determination of concentrations of androgens;   Device: Three dimensional ultrasound probe
31 Recruiting Hemocoagulation and Lipoperoxidation in Women Using Combined Oral Contraceptives, Correction by Antioxidants
Conditions: Polycystic Ovarian Syndrome;   Hyperandrogenism;   Menstrual Irregularities
Interventions: Drug: 20 mcg ethinylestradiol /3 mg drospirenone;   Drug: 20 mcg ethinylestradiol/3 mg drospirenone and Selmevit;   Drug: 30 mcg ethinylestradiol/3 mg drospirenone;   Drug: 30 mcg ethinylestradiol/3 mg drospirenone and Selmevit;   Drug: 35 mcg ethinylestradiol/2 mg cyproterone;   Drug: 35 mcg ethinylestradiol/2 mg cyproterone and Selmevit
32 Completed Presentations of Hyperandrogenic Phenotypes in Taiwanese Women
Conditions: Hyperandrogenism,;   Polycystic Ovary Syndrome,;   Metabolic Syndrome,;   Insulin Resistance,;   Cardiovascular Disease.
Intervention:
33 Recruiting Androgen Excess as a Mechanism for Adipogenic Dysfunction in PCOS Women
Condition: Polycystic Ovary Syndrome (PCOS)
Intervention: Drug: Flutamide
34 Completed Effect of a Commonly Used Antibiotic, Doxycycline, in Women With Polycystic Ovarian Syndrome
Conditions: Polycystic Ovarian Syndrome (PCOS);   Irregular Menstrual Cycles;   Androgen Excess
Interventions: Drug: doxycycline;   Other: Sugar Pill
35 Completed Effects of Androgen Administration on Inflammation in Normal Women
Condition: Hyperandrogenism
Interventions: Dietary Supplement: Dehydroepiandrosterone (DHEA);   Other: Placebo
36 Unknown  Meal Timing on Glucose and Hyperandrogenism in PCOS Women
Condition: Polycystic Ovary Syndrome (PCOS) Women
Interventions: Behavioral: Placebo Comparator: Lifestyle counseling Dinner Diet ARM 2;   Other: Active Comparator: Lifestyle counseling ARM 1
37 Active, not recruiting Meal Timing on Glucose Metabolism and Hyperandrogenism in Lean Women With Polycystic Ovary Syndrome
Conditions: Hyperandrogenism;   Insulin Resistance
Intervention: Other: Dietary  intervention
38 Active, not recruiting Effects of Androgen Blockade on Sensitivity of the GnRH Pulse Generator to Suppression by Estradiol and Progesterone
Conditions: Polycystic Ovary Syndrome;   Hyperandrogenism
Interventions: Drug: Flutamide;   Drug: Progesterone;   Drug: estrace (estradiol)
39 Recruiting Suppression of Daytime and Nighttime Luteinizing Hormone Frequency by Progesterone
Conditions: Polycystic Ovary Syndrome;   Hyperandrogenism;   Normal Puberty
Interventions: Drug: Progesterone;   Drug: Placebo
40 Recruiting Effect of Metformin on Sensitivity of the Gonadotropin-releasing Hormone (GnRH) Pulse Generator to Suppression by Estradiol and Progesterone
Conditions: Polycystic Ovary Syndrome;   Hyperandrogenism
Interventions: Drug: Metformin;   Drug: Progesterone;   Drug: estrace

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Indicates status has not been verified in more than two years