52 studies found for:    "21-hydroxylase deficiency"
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Rank Status Study
21 Unknown  Tweens to Teens Project at Penn State
Condition: Congenital Adrenal Hyperplasia
Intervention: Behavioral: Questionnaires/Interviews
22 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:
23 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
24 Completed Clinical Evaluation of NeoPlex4 Assay and NeoPlex System
Conditions: Adrenal Hyperplasia, Congenital;   Congenital Hypothyroidism;   Cystic Fibrosis
Intervention:
25 Withdrawn Gene Polymorphisms Influencing Steroid Synthesis and Action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:
26 Unknown  Mutation Analysis of 17α-Hydroxylase
Conditions: Pseudohermaphroditism;   Congenital Adrenal Hyperplasia;   Hypertension
Intervention: Procedure: blood drawing
27 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
28 Completed Treatment of Hyperandrogenism Versus Insulin Resistance in Infertile Polycystic Ovary Syndrome (PCOS) Women
Condition: Polycystic Ovary Syndrome
Interventions: Drug: Orlistat/Meal Replacement/Lifestyle Modification;   Drug: Loestrin 1/20;   Drug: Combination of treatments
29 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)
30 Recruiting Time Course of Waking Versus Sleep-associated Luteinizing Hormone (LH) Pulse Frequency Suppression in Response to Progesterone in Late Pubertal Girls With and Without Hyperandrogenemia
Condition: Hyperandrogenemia
Interventions: Drug: Micronized progesterone suspension;   Drug: Placebo
31 Completed Presentations of Hyperandrogenic Phenotypes in Taiwanese Women
Conditions: Hyperandrogenism,;   Polycystic Ovary Syndrome,;   Metabolic Syndrome,;   Insulin Resistance,;   Cardiovascular Disease.
Intervention:
32 Unknown  Whole Genome Analysis for the Detection of Key Genes in the Polycystic Ovary Syndrome
Conditions: Anovulation;   Hyperandrogenism;   Polycystic Ovary Syndrome;   Single Nucleotide Polymorphism
Intervention:
33 Unknown  Ethinyl Estradiol and Cyproterone Acetate in Irregular Menstruation
Conditions: Amenorrhea;   Dysmenorrhea;   Menstruation Disturbances;   Hyperandrogenism
Intervention: Drug: Ethinyl Estradiol + Cyproterone acetate
34 Recruiting Role of Insulin Action and Free Fatty Acids in Hyperandrogenism of Women With Polycystic Ovary Syndrome
Condition: Polycystic Ovary Syndrome
Interventions: Drug: Rosiglitazone;   Drug: Acarbose
35 Recruiting Sleep-wake Changes of Luteinizing Hormone Frequency in Pubertal Girls With and Without High Testosterone
Condition: Hyperandrogenism
Intervention:
36 Completed Obesity and Clinical Presentation of Hyperandrogenism
Condition: Polycystic Ovary Syndrome
Intervention:
37 Recruiting 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
38 Completed Effects of Metformin vs Oral Contraceptives on CV Risk Markers in PCOS
Condition: Polycystic Ovary Syndrome
Interventions: Drug: Metformin;   Drug: Ethynyl-estradiol plus cyproterone acetate
39 Completed Effect of Free Fatty Acids (FFA) on Androgen Precursors in Women
Conditions: Hyperandrogenism;   Glucocorticoid Metabolism
Intervention: Drug: lipid/heparin or saline/heparin infusion
40 Recruiting Suppression of Daytime and Nighttime Luteinizing Hormone Frequency by Progesterone
Conditions: Polycystic Ovary Syndrome;   Hyperandrogenism
Interventions: Drug: Progesterone;   Drug: Placebo

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Indicates status has not been verified in more than two years