Clinical trials: Mental Retardation
Mucopolysaccharidosis (MPS), Hunter Syndrome
Observational Study to Evaluate Neurodevelopmental Status in Pediatric Patients With Hunter Syndrome (MPS II)
Hunter syndrome (Mucopolysaccharidosis II, [MPS II]) is a rare, genetically linked lysosomal storage disease (LSD) caused by deficiency of the enzyme, iduronate-2-sulfatase (I2S).
- Trial name
- NCT01822184
- Where
- 7 sites in United States, Argentina and 3 more
- Volunteers
- 100 people
- Sponsor
- Shire
Trisomy 21
Non-invasive Chromosomal Examination of Trisomy Study
The purpose of this blinded, multi-center, prospective, case-controlled study is to compare the Ariosa Harmony™ Prenatal Test for trisomy 21 detection with a standard first-trimester prenatal screening test consisting of serum…
- Trial name
- NEXT (NCT01511458)
- Where
- 36 sites in United States, Belgium and 4 more
- Volunteers
- 18,955 people
- Sponsor
- Roche Sequencing Solutions
Aneuploidy, Down Syndrome
Clinical Evaluation of the SEQureDx Trisomy Test in Low Risk Pregnancies
Pregnant women with low risk indicators for fetal chromosomal aneuploidy will be enrolled. Study blood will be collected in the first or second trimester at a scheduled prenatal screening visit, processed to plasma, and stored…
- Conditions
- Aneuploidy, Down Syndrome, Noninvasive Prenatal Screening
- Trial name
- NCT01597063
- Testing
- SEQureDx Trisomy Test
- Where
- 27 sites in United States
- Volunteers
- 3,333 people
- Sponsor
- Sequenom, Inc.
Healthy Volunteer, Down Syndrome
A Molecular and Functional Brain Imaging Study in Individuals With Down Syndrome and Healthy Controls Following Single Dose RG1662
This single-center, single-blind, placebo-controlled, parallel-group study with crossover component will evaluate the GABAAalpha5 receptor expression, occupancy and functional connectivity in the brains of individuals with Down…
- Trial name
- NCT01667367
- Testing
- RG1662
- Where
- United Kingdom
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Hoffmann-La Roche
Mucopolysaccharidosis II
Mucopolysaccharidosis Type II Observational
This is an observational study planned to document prospectively disease manifestation and neurocognitive course in pediatric patients with a clinical presentation consistent with neuronopathic ("severe") MPS II undergoing…
- Trial name
- NCT04591834
- Testing
- Observational
- Where
- 3 sites in United States, Canada
- Sponsor
- REGENXBIO Inc.
Rett Syndrome
Open-Label Extension Study of Trofinetide for the Treatment of Girls and Women With Rett Syndrome
To investigate the safety and tolerability of long-term treatment with oral trofinetide in girls and women with Rett syndrome
- Trial name
- LILAC™ (NCT04279314)
- Testing
- Trofinetide
- Where
- 21 sites in United States
- Volunteers
- 154 people
- Sponsor
- ACADIA Pharmaceuticals Inc.
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
Autism Spectrum Disorder, Fra(X) Syndrome
Establishing a Diagnostic and Therapeutic Index in Autism Spectrum Disorder (ASD) and Fragile X Syndrome
The purpose of this study is to accumulate and quantitatively analyze data on the microbiome, serotonin signaling and genetics, and inflammatory cytokines from patients with Autism Spectrum Disorder and Fragile X Syndrome.
- Trial name
- NCT04869930
- Testing
- specimen collection
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Nova Mentis Life Science Corp
Fragile X Syndrome
A Safety Study of NNZ-2566 in Patients With Fragile X Syndrome
The purpose of this study is to determine whether NNZ-2566 is safe and well tolerated in the treatment of Fragile X Syndrome in adolescent and adult males.
- Trial name
- NCT01894958
- Testing
- NNZ-2566
- Where
- 17 sites in United States
- Volunteers
- 72 people
- Sponsor
- Neuren Pharmaceuticals Limited
Fragile X Syndrome
Clinical Study to Assess the Pharmacokinetics, Safety and Tolerability of Single and Multiple Oral Doses of AFQ056 in Children With Fragile X Syndrome (FXS)
The aim of this study is to characterize the pharmacokinetics and safety/tolerability of AFQ056 in children with Fragile X Syndrome(FXS)
- Trial name
- NCT01482143
- Testing
- AFQ056
- Where
- 4 sites in United States, Spain
- Volunteers
- 21 people
- Sponsor
- Novartis Pharmaceuticals
Hunter Syndrome
Intensive Pharmacovigilance Program for Elaprase (SHP ELA-701)
The purpose of this non-interventional, observational study which is conducted in Mexico is to evaluate the safety profile of elaprase (idulsurfase) in participants with hunter syndrome (mucopolysaccharydosis II) being treated…
- Trial name
- NCT03582449
- Where
- 6 sites in Mexico
- Volunteers
- 5 people
- Sponsor
- Shire
Down Syndrome, Fetal Aneuploidy
Specimen Collection From Pregnant Women at Increased Risk for Fetal Aneuploidy
The specimen collection is designed for the purpose of the development of a noninvasive prenatal test for T21.
- Trial name
- NCT01429389
- Where
- 14 sites in United States, Canada
- Volunteers
- 2,000 people
- Sponsor
- Sequenom, Inc.
Rett Syndrome
A Safety Study of NNZ-2566 in Patients With Rett Syndrome
The purpose of this study is to determine whether NNZ-2566 is safe and well tolerated in the treatment of Rett Syndrome in adolescent and adult females.
- Trial name
- NCT01703533
- Testing
- NNZ-2566
- Where
- 3 sites in United States
- Volunteers
- 67 people
- Sponsor
- Neuren Pharmaceuticals Limited
Conduct Disorder, Disruptive Behavior Disorder
A Study of the Safety and Effectiveness of Risperidone Versus Placebo for the Treatment of Conduct Disorder in Children With Mild, Moderate, or Borderline Mental Retardation
The purpose of the study is to assess the effectiveness and safety of an oral solution of risperidone (an antipsychotic medication) versus placebo in the treatment of conduct disorder in children with mild, moderate, or…
- Conditions
- Conduct Disorder, Disruptive Behavior Disorder, Oppositional Defiant Disorder
- Trial name
- NCT00266552
- Testing
- risperidone
- Volunteers
- 118 people
- Sponsor
- Janssen Pharmaceutica N.V., Belgium
Down Syndrome, Edwards Syndrome
Non-Invasive Screening for Fetal Aneuploidy
The purpose of this study is to detect whole chromosome abnormalities in maternal blood.
- Trial name
- NCT02317965
- Testing
- Maternal Blood Draw
- Where
- 10 sites in United States
- Volunteers
- 340 people
- Sponsor
- Progenity, Inc.
Down Syndrome, Edwards Syndrome
Whole Blood Specimen Collection From Pregnant Subjects
To obtain whole blood specimens from pregnant subjects to be used for research and development and clinical validation studies of prenatal assays.
- Conditions
- Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome
- Trial name
- NCT02430584
- Testing
- Observational - no intervention
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Progenity, Inc.
Trisomy 13, Trisomy 18
High Risk Multiple Gestation Study
The objectives of the clinical study are to demonstrate the accuracy of our proprietary algorithm method to determine the genetic health of the developing fetuses in a multiple gestation pregnancy from a maternal blood sample.
- Conditions
- Trisomy 13, Trisomy 18, Trisomy 21, Sex Chromosome Abnormalities
- Trial name
- NCT02278874
- Where
- 4 sites in United States
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Natera, Inc.
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
Mucopolysaccharidosis Type II, Metabolic Diseases
A Multi-cohort Study of Safety, Efficacy, PK and PD of GNR-055 in Patients With Mucopolysaccharidosis Type II
This is phase 2/3 study to evaluate the safety, pharmacokinetics, pharmacodynamics, and efficacy of the investigational product GNR-055 in MPS II (Hunter syndrome) patients of different age groups.
- Trial name
- NCT05208281
- Testing
- GNR-055 1.0-2.0-3.0 mg/kg, GNR-055 2.0 mg/kg, GNR-055 3.0 mg/kg
- Where
- 5 sites in Russia
- Volunteers
- 32 people
- Sponsor
- AO GENERIUM
Down Syndrome (Trisomy 21)
AEF0217 in Participants With Down Syndrome
The goal of this clinical trial is to identify if AEF0217 show an improvement in adaptive behaviors (daily life activities) in adults and older adolescents with Down Syndrome. It will also learn about the safety of AEF0217.
- Trial name
- NCT07334912
- Testing
- AEF0217 100 µg, AEF0217 300 µg
- Where
- 10 sites in France, Italy and 1 more
- Volunteers
- 188 people
- Sponsor
- Aelis Farma