121 studies found for:    "Renpenning syndrome" OR "Mental Retardation, X-Linked"
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Rank Status Study
1 Enrolling by invitation Genetic Disease Gene Identification
Conditions: Congenital Vertical Talus;   Familial Encephalopathy With Neuroserpin Inclusion Bodies;   Idiopathic Generalised Epilepsy;   Familial Dementia;   X-Linked Mental Retardation
Intervention:
2 Not yet recruiting Triac Trial in MCT8 Patients
Condition: Allan-Herndon-Dudley Syndrome
Intervention: Drug: Triac
3 Recruiting Observational Study to Evaluate Neurodevelopmental Status in Pediatric Patients With Hunter Syndrome (MPS II)
Conditions: Mucopolysaccharidosis II;   MPS II;   Hunter Syndrome
Intervention:
4 Completed An Open-Label Trial of Donepezil in Fragile X Syndrome
Condition: Fragile X Syndrome
Intervention: Drug: donepezil
5 Recruiting A PET Brain Imaging Study of mGluR5 in Subjects With Neuropsychiatric Conditions
Conditions: Parkinson Disease;   Huntington Disease;   Autistic Spectrum Disorders;   Fragile X Syndrome;   Alzheimer Disease;   Mild Cognitive Impairment
Intervention: Drug: [18F]FPEB
6 Terminated Study to Detect Unrecognized Mucopolysaccharidosis in Children Visiting Rheumatology, Hand or Skeletal Dysplasia Clinics
Conditions: Mucopolysaccharidoses;   Mucopolysaccharidosis I;   Mucopolysaccharidosis II;   Mucopolysaccharidosis IV;   Mucopolysaccharidosis VI
Intervention: Other: Dried blood spot test for MPS
7 Completed Effects of CX516 on Functioning in Fragile X Syndrome and Autism
Conditions: Fragile X Syndrome;   Autism
Intervention: Drug: CX516 (Ampalex®)
8 Completed A Study With RO4917523 in Patients With Fragile X Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: Placebo;   Drug: RO4917523
9 Completed A Study of the Effectiveness and Safety of Risperidone Versus Placebo in the Treatment of Children With Autistic Disorder and Other Pervasive Developmental Disorders (PDD)
Conditions: DCild Development Disorders, Pervasive;   Autistic Disorder;   Developmental Disabilities;   Asperger Syndrome;   Rett Syndrome
Intervention: Drug: risperidone
10 Recruiting A Safety Study of NNZ-2566 in Patients With Fragile X Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: NNZ-2566;   Drug: Placebo
11 Completed
Has Results
Safety and Tolerability of the D1 Dopamine Receptor Antagonist Ecopipam in Patients With Lesch-Nyhan Disease
Condition: Lesch-Nyhan Disease
Intervention: Drug: Ecopipam
12 Completed
Has Results
A Safety and Dose Ranging Study of Idursulfase (Intrathecal) Administration Via an Intrathecal Drug Delivery Device in Pediatric Patients With Hunter Syndrome Who Have Central Nervous System Involvement and Are Receiving Treatment With Elaprase®
Condition: Hunter Syndrome
Interventions: Other: Control;   Drug: Idursulfase IT (1 mg);   Drug: Idursulfase IT (10 mg);   Drug: Idursulfase IT (30 mg)
13 Completed
Has Results
Extension of Study TKT024 Evaluating Long-Term Safety and Clinical Outcomes in MPS II Patients Receiving Idursulfase
Conditions: Hunter Syndrome;   Mucopolysaccharidosis II (MPS II)
Intervention: Biological: Idursulfase
14 Unknown  Teaching Math Skills to Individuals With Fragile X Syndrome
Conditions: Developmental Disabilities;   Fragile X Syndrome
Intervention: Behavioral: discrete-trial training
15 Recruiting EXPLAIN -FragilE X Registry: An exPlorative Longitudinal Study for chAracterIzation, Treatment Pathways and patieNt-related Outcomes
Condition: Fragile-X Syndrome
Intervention:
16 Recruiting Study of Acamprosate in Fragile x Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: acamprosate;   Drug: Placebo
17 Recruiting Human Placental-Derived Stem Cell Transplantation
Conditions: Mucopolysaccharidosis I;   Mucopolysaccharidosis VI;   Adrenoleukodystrophy;   Niemann-Pick Disease;   Metachromatic Leukodystrophy;   Wolman Disease;   Krabbe's Disease;   Gaucher's Disease;   Fucosidosis;   Batten Disease;   Severe Aplastic Anemia;   Diamond-Blackfan Anemia;   Amegakaryocytic Thrombocytopenia;   Myelodysplastic Syndrome;   Acute Myelogenous Leukemia;   Acute Lymphocytic Leukemia
Intervention: Drug: Human Placental Derived Stem Cell
18 Completed Metabolic Evaluation of Nutrition in Rett Syndrome
Condition: Rett Syndrome
Intervention:
19 Recruiting Estrogen Receptors Beta (ER-B) as Therapeutic Targets for the Improvement of Cognitive Performance in Fragile-X (TESXF)
Condition: Fragile X Syndrome
Interventions: Dietary Supplement: Epigallocatechin-3-gallate (EGCG);   Dietary Supplement: Placebo
20 Active, not recruiting Aromatase Activity and Ovarian Growth Factors in African-American Versus Caucasian Women
Conditions: Healthy;   Fragile X Syndrome
Intervention: Procedure: Follicle Aspiration

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Indicates status has not been verified in more than two years