61 studies found for:    "21-hydroxylase deficiency"
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Rank Status Study
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 Unknown  Mutation Analysis of 17α-Hydroxylase
Conditions: Pseudohermaphroditism;   Congenital Adrenal Hyperplasia;   Hypertension
Intervention: Procedure: blood drawing
28 Withdrawn Gene Polymorphisms Influencing Steroid Synthesis and Action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:
29 Completed Presentations of Hyperandrogenic Phenotypes in Taiwanese Women
Conditions: Hyperandrogenism,;   Polycystic Ovary Syndrome,;   Metabolic Syndrome,;   Insulin Resistance,;   Cardiovascular Disease.
Intervention:
30 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
31 Active, not recruiting Sleep-wake Changes of Luteinizing Hormone Frequency in Pubertal Girls With and Without High Testosterone
Condition: Hyperandrogenism
Intervention:
32 Unknown  Effect of Short Term Adrenal Suppression on Androgen Overproduction in Overweight Girls With Androgen Excess
Conditions: Hyperandrogenemia;   Obesity;   Polycystic Ovary Syndrome
Interventions: Drug: Hydrocortisone;   Drug: dexamethasone;   Drug: Cosyntropin (ACTH)
33 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
34 Completed Effect of Free Fatty Acids (FFA) on Androgen Precursors in Women
Conditions: Hyperandrogenism;   Glucocorticoid Metabolism
Intervention: Drug: lipid/heparin or saline/heparin infusion
35 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
36 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
37 Completed The Effect of Metformin Added to Clomiphene Citrate on Pregnancy Rates in Hyperandrogenic, Chronic Oligoovulatory or Anovulatory Women
Conditions: Polycystic Ovary Syndrome;   Anovulation;   Oligoovulation;   Infertility;   Hyperandrogenism
Interventions: Drug: Metformin;   Drug: Clomiphene citrate;   Drug: Placebo
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 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
40 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

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Indicates status has not been verified in more than two years