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122 studies found for:    "PPM-X syndrome" OR "Mental Retardation, X-Linked"
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Rank Status Study
21 Recruiting Ganaxolone Treatment in Children With Fragile X Syndrome
Condition: Fragile x Syndrome
Interventions: Drug: Ganaxolone;   Drug: Placebo
22 Completed Riluzole in Fragile X Syndrome
Condition: Fragile X Syndrome
Intervention: Drug: Riluzole
23 Completed Study of Cardiac and Paroxysmal Abnormalities in Rett Syndrome
Condition: Rett Syndrome
Intervention:
24 Completed
Has Results
Safety, Tolerability and Efficacy Study of STX209 in Subjects With Fragile X Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: STX209;   Drug: Placebo
25 Completed Screening Study to Identify Pediatric Patients With Hunter Syndrome Who Demonstrate Evidence of Central Nervous System (CNS) Involvement and Who Are Currently Receiving Treatment With Elaprase®
Condition: Hunter Syndrome
Interventions: Behavioral: Neurobehavioral testing;   Other: Visual and auditory assessments
26 Completed Clinical Study to Assess the Pharmacokinetics, Safety and Tolerability of Single and Multiple Oral Doses of AFQ056 in Children With Fragile X Syndrome (FXS)
Condition: Fragile X Syndrome
Intervention: Drug: AFQ056
27 Recruiting Protein Synthesis in the Brain of Patients With Fragile X Syndrome
Conditions: Fragile X Syndrome;   Healthy Volunteers
Intervention:
28 Completed
Has Results
Double-blind Placebo Controlled Study of Oxytocin in Fragile X Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: placebo;   Drug: oxytocin 24IU;   Drug: oxytocin 48IU
29 Recruiting A Multicenter Access and Distribution Protocol for Unlicensed Cryopreserved Cord Blood Units (CBUs)
Conditions: Hematologic Malignancies;   Certain:;   Inherited Disorders of Metabolism;   Inherited Abnormalities of Erythrocyte Differentiation or Function;   Inherited Abnormalities of Platelets;   Disorders of the Immune System;   Histiocytic Disorders;   X-linked Adrenoleukodystrophy;   Primary Immunodeficiency Diseases;   Bone Marrow Failure;   Beta-thalassemia
Intervention: Drug: A multicenter access and distribution protocol for unlicensed cryopreserved cord blood units (CBUs)
30 Active, not recruiting Phase I/II Pilot Study of Mixed Chimerism to Treat Inherited Metabolic Disorders
Conditions: Hurler Syndrome (MPS I);   Hurler-Scheie Syndrome With Early Neurologic Involvement and/or Sensitization to Enzyme Replacement Therapy (ERT);   Hunter Syndrome (MPS II);   Sanfilippo Syndrome (MPS III);   Krabbe Disease (Globoid Leukodystrophy);   Metachromatic Leukodystrophy (MLD);   Adrenoleukodystrophy (ALD and AMN);   Sandhoff Disease;   Tay Sachs Disease;   Pelizaeus Merzbacher (PMD);   Niemann-Pick Disease;   Alpha-mannosidosis
Intervention: Biological: Enriched Hematopoetic Stem Cell Transplantation/novel platform technology
31 Recruiting Treatment of Rett Syndrome With Recombinant Human IGF-1
Condition: Rett Syndrome
Interventions: Drug: Recombinant Human Insulin Growth Factor 1 (rhIGF-1);   Drug: Placebo
32 Unknown  Study of Bile Acids in Patients With Peroxisomal Disorders
Conditions: Infantile Refsum's Disease;   Zellweger Syndrome;   Bifunctional Enzyme Deficiency;   Adrenoleukodystrophy
Interventions: Drug: chenodeoxycholic acid;   Drug: cholic acid;   Drug: ursodiol
33 Completed
Has Results
Safety and Clinical Outcomes in Hunter Syndrome Patients 5 Years of Age and Younger Receiving Idursulfase Therapy
Conditions: Hunter Syndrome;   Mucopolysaccharidosis II;   MPS II
Intervention: Biological: Idursulfase
34 Completed Open Label Study Investigating Safety and Efficacy of NPL2009 50 mg - 150 mg on Prepulse Inhibition Tests and Continuous Performance Tasks, Adults With Fragile X Syndrome
Condition: Fragile X Syndrome
Intervention: Drug: NPL-2009
35 Completed
Has Results
An Observational Study Evaluating Anti-Idursulfase Serum Antibody Response in Hunter Syndrome Patients
Condition: Hunter Syndrome
Intervention: Biological: Idursulfase
36 Completed A Single-Dose Study in Normal Volunteers to Assess the Safety, Tolerability and Pharmacokinetics of STX107
Condition: Fragile X Syndrome
Intervention: Drug: STX107
37 Completed Safety and Efficacy of AFQ056 in Adolescent Patients With Fragile X Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: AFQ056;   Drug: Placebo
38 Completed Study of the Pathogenesis of Rett Syndrome
Condition: Rett Syndrome
Interventions: Drug: dextromethorphan;   Drug: topiramate;   Drug: Donepezil
39 Completed Compassionate Treatment of Patients With Inborn Errors of Bile Acid Metabolism With Cholic Acid
Conditions: Infantile Refsum's Disease;   Zellweger Syndrome;   Adrenoleukodystrophy;   Peroxisomal Disorders;   Cholestasis
Intervention: Drug: Cholic Acids
40 Completed Efficacy and Safety Study of STX209 (Arbaclofen) for the Treatment of Social Withdrawal in Children With Fragile X Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: arbaclofen;   Drug: Placebo

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Indicates status has not been verified in more than two years