Clinical trials: X-Linked Intellectual Disability
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.
Lesch-Nyhan Disease
Safety and Tolerability of the D1 Dopamine Receptor Antagonist Ecopipam in Patients With Lesch-Nyhan Disease
The purpose of this study is to determine the effects of ecopipam in patients with Lesch-Nyhan Disease (LND). Ecopipam specifically blocks the actions of one chemical in the brain that helps nerves talk to one another; ecopipam…
- Trial name
- NCT01065558
- Testing
- Ecopipam
- Where
- 2 sites in United States
- Volunteers
- 5 people
- Sponsor
- Psyadon Pharma
Rett Syndrome
Pharmacological Treatment of Rett Syndrome With Glatiramer Acetate (Copaxone)
A phase 2 open label trial to test a potential drug treatment for Rett syndrome, the leading known genetic cause of severe neurological impairment in girls.
- Trial name
- NCT02153723
- Testing
- Glatiramer Acetate
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Montefiore Medical Center
AMN, AMN Gene Mutation
A Study to Evaluate Administration of SBT101 Gene Therapy in Adult Patients With Adrenomyeloneuropathy (AMN)
This is a Phase 1/2 randomized, blinded, dose-escalation study to evaluate the safety and efficacy of intrathecal (IT) administration of SBT101, a recombinant adeno-associated virus serotype 9 (AAV9) containing a functional copy…
- Conditions
- AMN, AMN Gene Mutation, X-ALD
- Trial name
- PROPEL (NCT05394064)
- Testing
- SBT101 Treatment
- Where
- 2 sites in United States, Netherlands
- Volunteers
- 9 people
- Sponsor
- SwanBio Therapeutics, Inc.
Fragile X Syndrome
Randomized Controlled Study of Donepezil in Fragile X Syndrome
Fragile X syndrome (FraX) is the most common known heritable cause of human intellectual disability. Though recent research has revealed much about the genetic and neurobiological bases of FraX, knowledge about specific and…
- Trial name
- NCT01120626
- Testing
- donepezil, sugar pill
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Stanford University
Hunter Syndrome
Study of Long Term Safety and Clinical Outcomes of Idursulfase IT and Elaprase Treatment in Pediatric Participants Who Have Completed Study HGT-HIT-094
This extension study will allow participants that completed Study HGT-HIT-094 to continue receiving Elaprase treatment in conjunction with idursulfase IT or to continue receiving Elaprase treatment and begin concurrent IT…
- Trial name
- NCT02412787
- Testing
- Idursulfase-IT, Elaprase
- Where
- 9 sites in United States, Australia and 5 more
- Volunteers
- 56 people
- Sponsor
- Shire
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)
Hunter Syndrome, Mucopolysaccharidosis II
Safety and Clinical Outcomes in Hunter Syndrome Patients 5 Years of Age and Younger Receiving Idursulfase Therapy
The objective of this study is to determine the safety of once weekly dosing of idursulfase 0.5 mg/kg administered by intravenous (IV) infusion for male Hunter syndrome patients ≤ 5 years old.
- Conditions
- Hunter Syndrome, Mucopolysaccharidosis II, MPS II
- Trial name
- NCT00607386
- Testing
- Idursulfase
- Where
- 3 sites in Brazil, Poland and 1 more
- Volunteers
- 28 people
- Sponsor
- Shire
Menkes Disease, Occipital Horn Syndrome
NORTHERA (DROXIDOPA) for Dysautonomia in Adult Survivors of Menkes Disease and Occipital Horn Syndrome
The purpose of this study is to evaluate whether Northera (Droxidopa) is safe and effective in young adults with Menkes disease who survived the most severe complications of their illness or adults with occipital horn syndrome…
- Trial name
- NCT04977388
- Testing
- Droxidopa
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Stephen G. Kaler, MD
Hunter Syndrome
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®
This study is being conducted to identify pediatric patients with Hunter syndrome who have neurodevelopmental disease characteristics, who are currently receiving treatment with Elaprase, and who may be suitable to participate in…
- Trial name
- NCT00937794
- Testing
- Neurobehavioral testing, Visual and auditory assessments
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 33 people
- Sponsor
- Shire
Hunter Syndrome
An Extension Study of HGT-HIT-045 Evaluating Long-Term Safety and Clinical Outcomes of Idursulfase-IT in Conjunction With Elaprase in Pediatric Participants With Hunter Syndrome and Cognitive Impairment
This extension study of HGT-HIT-045 is designed to collect long-term safety data in pediatric participants with Hunter syndrome and cognitive impairment who are receiving intrathecal (IT) idursulfase-IT and intravenous (IV)…
- Trial name
- NCT01506141
- Testing
- Idursulfase-IT, Elaprase
- Where
- 9 sites in United States, Canada and 1 more
- Volunteers
- 15 people
- Sponsor
- Takeda
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