Clinical trials: X-linked Mental Retardation
Rett Syndrome
Trial of Dextromethorphan in Rett Syndrome
Increased brain glutamate and its N-methyl-D-aspartate (NMDA) receptors found in the brain of younger Rett syndrome (RTT) patients cause toxic damage to neurons (the brain's nerve cells), and contributing to EEG spikes.
- Trial name
- NCT00593957
- Testing
- Dextromethorphan
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Fragile X Syndrome, Genetic Diseases
Combining Lovastatin and a Parent-Implemented Language Intervention for Fragile X Syndrome
The purpose of the study is to test the efficacy of a 20 week multi-modal treatment comprised of lovastatin or placebo, and the Parent-implemented Language Intervention (PILI) in children with fragile X syndrome (FXS).
- Trial name
- NCT02642653
- Testing
- Lovastatin
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of California, Davis
Cerebral Adrenoleukodystrophy (CALD)
A Study of the Efficacy and Safety of Hematopoietic Stem Cells Transduced With Lenti-D Lentiviral Vector for the Treatment of Cerebral Adrenoleukodystrophy (CALD)
This trial assessed the efficacy and safety of autologous cluster of differentiation 34 (CD34+) hematopoietic stem cells, transduced ex-vivo with Lenti-D lentiviral vector (also called elivaldogene autotemcel or eli-cel), for the…
- Trial name
- NCT01896102
- Testing
- Lenti-D Drug Product (eli-cel)
- Where
- 8 sites in United States, Argentina and 4 more
- Volunteers
- 32 people
- Sponsor
- Genetix Biotherapeutics Inc.
Fragile X Syndrome
AFQ056 for Language Learning in Children With FXS
The purpose of this clinical trial is to investigate the impact of AFQ056 on language learning in 3-6 year old children with Fragile X Syndrome (FXS).
- Trial name
- FX-LEARN (NCT02920892)
- Testing
- AFQ056, Language Intervention
- Where
- 14 sites in United States
- Volunteers
- 110 people
- Sponsor
- Elizabeth Berry-Kravis
Cerebral Adrenoleukodystrophy (CALD)
A Clinical Study to Assess the Efficacy and Safety of Gene Therapy for the Treatment of Cerebral Adrenoleukodystrophy (CALD)
The purpose of this study is to evaluate the efficacy and safety of Lenti-D Drug Product (also known as elivaldogene autotemcel or Skysona, hereafter referred to as eli-cel) after myeloablative conditioning with busulfan and…
- Trial name
- NCT03852498
- Testing
- Lenti-D
- Where
- 8 sites in United States, France and 4 more
- Volunteers
- 35 people
- Sponsor
- Genetix Biotherapeutics Inc.
Mucopolysaccharidosis II, MPS II
Ascending Dose Study of Genome Editing by the Zinc Finger Nuclease (ZFN) Therapeutic SB-913 in Subjects With MPS II
The purpose of the study is to evaluate the safety, tolerability and effect on leukocyte and plasma Iduronate 2-Sulfatase (IDS) enzyme activity of ascending doses of SB-913.
- Trial name
- NCT03041324
- Testing
- SB-913
- Where
- 5 sites in United States
- Volunteers
- 9 people
- Sponsor
- Sangamo Therapeutics
Kinky Hair Syndrome
Copper Histidine Therapy for Menkes Diseases
Menkes Disease is a genetic disorder affecting the metabolism of copper. Patient with this disease are both physically and mentally retarded. Menkes disease is usually first detected in the first 2-3 months of life.
- Trial name
- NCT00001262
- Testing
- Copper Histidine
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Adrenoleukodystrophy, Metachromatic Leukodystrophy
HSCT for High Risk Inherited Inborn Errors
Hematopoietic stem cell transplantation has proven effective therapy for individuals with adrenoleukodystrophy (ALD), metachromatic leukodystrophy (MLD) or globoid cell leukodystrophy (GLD, or Krabbe disease).
- Conditions
- Adrenoleukodystrophy, Metachromatic Leukodystrophy, Globoid Cell Leukodystrophy, Tay Sachs Disease
- Trial name
- NCT00383448
- Testing
- Clofarabine, Total body Irradiation, Melphalan
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Masonic Cancer Center, University of Minnesota
Rett Syndrome
Placebo Controlled Trial of Dextromethorphan in Rett Syndrome
Dr. Sakkubai Naidu, Principal Investigator, is initiating a double blinded placebo controlled clinical drug trial using dextromethorphan (DM) in Rett Syndrome (RTT), at the Pediatric Clinical Research Unit (PCRU) of the Johns…
- Trial name
- PCTDMRTT (NCT01520363)
- Testing
- dextromethorphan
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Fragile X Syndrome
Trial of Sertraline to Treat Children With Fragile X Syndrome
This study is a control trial of sertraline (Zoloft) in fragile X syndrome children aged 2 years to 5 years 8 months old. The trial is six months long, and each participant will receive a series of tests at both the beginning and…
- Trial name
- NCT01474746
- Testing
- Sertraline
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- Randi J. Hagerman, MD
Fragile X Syndrome
Safety, Tolerability and Efficacy Study of STX209 in Subjects With Fragile X Syndrome
The study objective is to explore the efficacy, safety and tolerability of STX209 for treatment of irritability in subjects with FSX.
- Trial name
- NCT00788073
- Testing
- STX209
- Where
- 12 sites in United States
- Volunteers
- 63 people
- Sponsor
- Seaside Therapeutics, Inc.
Rett Syndrome
Treatment of Rett Syndrome With rhIGF-1 (Mecasermin [rDNA]Injection)
The investigators are recruiting children for a research study using a medication known as IGF-1 (mecasermin or INCRELEX) to see if it improves the health of children with Rett syndrome (RTT).
- Trial name
- NCT01253317
- Testing
- rhIGF-1
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Boston Children's Hospital
Rett Syndrome
Pharmacological Treatment of Rett Syndrome With Statins
This is a phase 2 , open label, dose escalating study of Lovastatin in Rett syndrome.
- Trial name
- Statins (NCT02563860)
- Testing
- Lovastatin
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Montefiore Medical Center
Fragile X Syndrome
A Prospective Open-label Study of Aripiprazole in Fragile X Syndrome
The purpose of this study is to determine the effectiveness and tolerability of aripiprazole in the treatment of children and adolescents with Fragile X Syndrome.
- Trial name
- NCT00420459
- Testing
- Aripiprazole
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Indiana University
Rett Syndrome
Evaluation of the Efficacy, Safety, and Tolerability of Sarizotan in Rett Syndrome With Respiratory Symptoms
This study evaluates the safety, tolerability and efficacy of Sarizotan in reducing respiratory abnormalities in Rett Syndrome in an initial double blind 24 week period followed by an open label treatment phase of up to 168 weeks…
- Trial name
- STARS (NCT02790034)
- Testing
- Sarizotan low dose, Sarizotan high dose
- Where
- 14 sites in United States, Australia and 3 more
- Volunteers
- 129 people
- Sponsor
- Newron Pharmaceuticals SPA
Fragile x Syndrome
Ganaxolone Treatment in Children With Fragile X Syndrome
This Phase 2 proof-of-concept study is a double-blind, randomized, placebo-controlled, crossover study to investigate ganaxolone treatment in children with fragile x syndrome (FXS).
- Trial name
- NCT01725152
- Testing
- Ganaxolone
- Where
- 2 sites in United States, Belgium
- Volunteers
- 59 people
- Sponsor
- Marinus Pharmaceuticals
Rett Syndrome
Open-Label Extension Study of Trofinetide for Rett Syndrome
To investigate the safety and tolerability of continued long-term treatment with oral trofinetide in girls and women with Rett syndrome
- Trial name
- NCT04776746
- Testing
- trofinetide
- Where
- 21 sites in United States
- Volunteers
- 77 people
- Sponsor
- ACADIA Pharmaceuticals Inc.
Hunter Syndrome
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®
Elaprase (idursulfase), a large molecular protein, is not expected to cross the blood brain barrier at therapeutic levels when administered intravenously.
- Trial name
- NCT00920647
- Testing
- Control, Idursulfase IT (1 mg), Idursulfase IT (10 mg)
- Where
- 3 sites in United States, United Kingdom
- Volunteers
- 16 people
- Sponsor
- Shire
Fragile X Syndrome
Neurophysiological and Acute Pharmacological Studies in FXS Patients
The aim of this study is to utilize neurophysiologic assessments, behavioral measures and clinical measures to assess how much deficits associated with Fragile X Syndrome from pre-dose to post-dose using pharmacology.
- Trial name
- NCT02998151
- Testing
- Acamprosate, Lovastatin, Minocycline
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Non Malignant Disorders, Immunodeficiencies
Reduced Intensity Conditioning for Umbilical Cord Blood Transplant in Pediatric Patients With Non-Malignant Disorders
The primary objective is to determine the feasibility of attaining acceptable rates of donor cell engraftment (>25% donor chimerism at 180 days) following reduced intensity conditioning (RIC) regimens in pediatric patients < 21…
- Conditions
- Non Malignant Disorders, Immunodeficiencies, Congenital Marrow Failures, Hemoglobinopathies
- Trial name
- NCT00744692
- Testing
- Unrelated Umbilical Cord Blood Transplant, Reduced Intensity Conditioning
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Duke University