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168 studies found for:    "Renpenning syndrome" OR "Mental Retardation, X-Linked"
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Rank Status Study
21 Recruiting Clinical Trial for Asses the Safety and Efficacy of Vitamin C and Vitamin E in Combination Versus Placebo for Treating Cognitive and Behavior Disorder in Children With Fragile X Syndrome
Condition: X Fragile Syndrome
Interventions: Drug: Vitamin C 10mg/Kg Vitamin E 10 mg/Kg;   Drug: Placebo
22 Not yet recruiting AFQ056 for Language Learning in Children With FXS
Condition: Fragile X Syndrome
Interventions: Drug: AFQ056;   Other: Placebo;   Other: Language Intervention
23 Recruiting The Findings of MR Imaging in Rett Syndrome
Condition: Rett Syndrome
Intervention: Other: Rett Syndrome
24 Completed New Genes Involved in Molecular Etiology of Rett Syndrome Through DNA Microarray Comparative Genomic Hybridization
Condition: Rett Syndrome
Intervention: Procedure: Blood sampling
25 Recruiting Evaluation of the Efficacy, Safety, and Tolerability of Sarizotan in Rett Syndrome With Respiratory Symptoms
Condition: Rett Syndrome
Interventions: Drug: Sarizotan;   Drug: Placebo
26 Recruiting Cognitive Training for Fragile X Syndrome
Condition: Fragile X Syndrome
Intervention: Other: Working Memory Training
27 Completed A Safety Study of NNZ-2566 in Pediatric Rett Syndrome
Condition: Rett Syndrome
Interventions: Drug: NNZ-2566;   Drug: Placebo
28 Recruiting Treatment of Mitochondrial Dysfunction in Rett Syndrome With Triheptanoin
Condition: Rett Syndrome
Intervention: Drug: triheptanoin
29 Recruiting Combined Treatment of Minocycline and Lovastatin to Treat Individuals With Fragile X Syndrome
Condition: Fragile X Syndrome
Interventions: Drug: Minocycline, then Minocycline/Lovastatin;   Drug: Lovastatin, then Minocycline/Lovastatin
30 Completed Sleep Abnormalities in Rare Genetic Disorders: AS, RTT, and PW
Conditions: Rett Syndrome;   Prader-Willi Syndrome;   Angelman Syndrome;   Sleep Problems
Intervention:
31 Recruiting Effects of Social Gaze Training on Brain and Behavior in Fragile X Syndrome
Conditions: Fragile X Syndrome;   Intellectual Disability
Intervention: Behavioral: Social gaze training
32 Completed Pharmacological Treatment of Rett Syndrome With Statins
Condition: Rett Syndrome
Intervention: Drug: Lovastatin
33 Active, not recruiting An Exploratory Trial of Ketamine for the Treatment of Rett Syndrome
Condition: Rett Syndrome
Intervention: Procedure: Intravenous infusion
34 Completed Decisional Capacity and Informed Consent in Fragile X Syndrome
Condition: Fragile X Syndrome (FXS)
Interventions: Other: Paper-Based Informed Consent;   Device: Tablet-Based Consent
35 Enrolling by invitation Long-Term Safety and Clinical Outcomes of Idursulfase IT and Elaprase Treatment in Pediatric Patients With Hunter Syndrome That Have Completed Study HGT-HIT-094
Condition: Hunter Syndrome
Intervention: Drug: Idursulfase-IT
36 Withdrawn Analysis of the Glutathione Cycle in Children With Rett Syndrome
Condition: Rett Syndrome
Intervention:
37 Unknown  Pharmacological Treatment of Rett Syndrome With Glatiramer Acetate (Copaxone)
Condition: Rett Syndrome
Intervention: Drug: Glatiramer Acetate
38 Completed A 6-week, Study of MG01CI Low Dose and High Dose Compared With Placebo in Adults and Adolescents With Fragile X Syndrome
Condition: Fragile X Syndrome
Intervention: Drug: MG01CI extended-release tablet
39 Active, not recruiting Study to Assess Safety and Efficacy of Fingolimod in Children With Rett Syndrome
Condition: Rett's Syndrome
Intervention: Drug: fingolimod (FTY720)
40 Unknown  An Open Label, Exploratory Study to Investigate the Treatment Effect of Glatiramer Acetate on Girls Woth Rett Syndrome
Condition: Rett Syndrome
Intervention: Drug: Glatiramer Acetate (Copaxone®)

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Study has passed its completion date and status has not been verified in more than two years.