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28 Withdrawn Gene Polymorphisms Influencing Steroid Synthesis and Action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 Obesity and Clinical Presentation of Hyperandrogenism
Condition: Polycystic Ovary Syndrome
Intervention:
30 Recruiting Suppression of Daytime and Nighttime Luteinizing Hormone Frequency by Progesterone
Conditions: Polycystic Ovary Syndrome;   Hyperandrogenism
Interventions: Drug: Progesterone;   Drug: Placebo
31 Recruiting Ovarian Contribution to Androgen Production in Adolescent Girls
Conditions: Polycystic Ovary Syndrome;   Obesity;   Hyperandrogenism
Interventions: Drug: Dexamethasone;   Drug: r-hCG (Ovidrel)
32 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)
33 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
34 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
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 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:
37 Unknown  Ethinyl Estradiol and Cyproterone Acetate in Irregular Menstruation
Conditions: Amenorrhea;   Dysmenorrhea;   Menstruation Disturbances;   Hyperandrogenism
Intervention: Drug: Ethinyl Estradiol + Cyproterone acetate
38 Completed Low Dose OC Therapy in Women With Polycystic Ovary Syndrome (PCOS): Impact of BMI on Hyperandrogenism
Condition: Polycystic Ovary Syndrome
Intervention: Drug: 3 mg DRSP/20 μg EE
39 Unknown  Effect of Short Term Ovarian Suppression on Androgen Overproduction in Overweight Girls With Androgen Excess
Conditions: Hyperandrogenemia;   Obesity;   Polycystic Ovary Syndrome
Interventions: Drug: Leuprolide;   Drug: Dexamethasone;   Drug: recombinant human chorionic gonadotropin
40 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

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Indicates status has not been verified in more than two years