Clinical trials: Mental Retardation
Down Syndrome
A 4-Week Safety Study of Oral ELND005 in Young Adults With Down Syndrome Without Dementia
This is a prospective, randomized, double-blind, placebo-controlled, parallel-group, three-arm, multicenter study of the safety and PK of ELND005 administered orally for 4 weeks.
- Trial name
- DS201 (NCT01791725)
- Testing
- ELND005
- Where
- 3 sites in United States
- Volunteers
- 23 people
- Sponsor
- OPKO Health, Inc.
Rett Syndrome
Study of Trofinetide for the Treatment of Girls and Women With Rett Syndrome (LAVENDER™)
To investigate the efficacy of treatment with oral trofinetide versus placebo in females with Rett syndrome
- Trial name
- NCT04181723
- Testing
- Trofinetide
- Where
- 21 sites in United States
- Volunteers
- 187 people
- Sponsor
- ACADIA Pharmaceuticals Inc.
Fragile X Syndrome
Open Label Study Investigating Safety and Efficacy of NPL2009 50 mg - 150 mg on Prepulse Inhibition Tests and Continuous Performance Tasks, Adults With Fragile X Syndrome
This is an open label exploratory study to investigate the safety and effects of a single dose of NPL-2009(50 mg - 150 mg) on Prepulse Inhibition (PPI) Tests and Continuous Performance Tasks (CPT) in adults with Fragile X Syndrome
- Trial name
- NCT00637221
- Testing
- NPL-2009
- Where
- 2 sites in United States
- Volunteers
- 12 people
- Sponsor
- Neuropharm
Down Syndrome (Trisomy 21), Edward's Syndrome (Trisomy 18)
Non-Invasive Determination of Fetal Chromosome Abnormalities
The overall significance of this study is to develop a laboratory developed test (LDT) to use a new marker in the maternal blood to better identify pregnancies that have a child with a chromosome abnormality such as Down syndrome…
- Conditions
- Down Syndrome (Trisomy 21), Edward's Syndrome (Trisomy 18), Patau Syndrome (Trisomy 13), Klinefelter Syndrome (47, XXY)
- Trial name
- NCT00891852
- Where
- 7 sites in United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Lenetix Medical Screening Laboratory
Mucopolysaccharidosis II
An Extension Study of JR-141-BR21 in Patients With Mucopolysaccharidosis II
A Phase II open-label, parallel group, 2 sites (Brazil), designed to evaluate the long term safety and efficacy of study drug for the treatment of the MPS II.
- Trial name
- NCT03708965
- Testing
- JR-141
- Where
- 2 sites in Brazil
- Volunteers
- 19 people
- Sponsor
- JCR Pharmaceuticals Co., Ltd.
Fragile X Syndrome (FXS), Neurotypical Adults
Neural Biomarkers in Fragile X Syndrome
The purpose of this non-interventional test /re-test study is to assess neural biomarkers in adult subjects with Fragile X syndrome compared to those measured in a population of typically developing adults
- Trial name
- EXP-CTH120 (NCT06957054)
- Testing
- Any
- Where
- 2 sites in Spain
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Connecta Therapeutics, S.L.
Mucopolysaccharidosis Type II (MPS II)
RGX-121 Gene Therapy in Children 5 Years of Age and Over With MPS II (Hunter Syndrome)
RGX-121 is a gene therapy which is designed to deliver a functional copy of the iduronate-2-sulfatase (IDS) gene to the central nervous system.
- Trial name
- NCT04571970
- Testing
- RGX-121
- Where
- 2 sites in United States, Canada
- Volunteers
- 6 people
- Sponsor
- REGENXBIO Inc.
Prader-Willi Syndrome
A Study to Assess the Long-Term Safety of Pharmaceutical Grade Synthetic Cannabidiol Oral Solution in Participants With Prader-Willi Syndrome
The objective of this study is to assess the long-term safety and tolerability of Cannabidiol Oral Solution (CBD) in participants with Prader-Willi Syndrome.
- Trial name
- NCT03458416
- Testing
- Cannabidiol Oral Solution
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Radius Pharmaceuticals, Inc.
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 (MPS)
Mucopolysaccharidosis (MPS) I, II, and VI Screening in a High-Risk Population With Previous Surgical Repair or Presence of Inguinal and/or Umbilical Hernia in Combination With Pediatric ENT Surgery (The HATT Project)
Mucopolysaccharidosis (MPS) type II (MPS II; Hunter syndrome) is a rare, X-linked disease caused by a deficiency of the lysosomal enzyme iduronate-2-sulfatase (I2S) and occurs almost exclusively in boys, with an incidence of…
- Trial name
- NCT02095015
- Where
- 14 sites in United States, Canada and 5 more
- Volunteers
- 159 people
- Sponsor
- Shire
Adrenoleukodystrophy
A Clinical Study to Evaluate the Efficacy and Safety of MIN-102 (IMP) in Male AMN Patients
This is a Phase II/III, randomized, double-blind, placebo-controlled, multicenter, two parallel-group study in male patients with the adrenomyeloneuropathy (AMN) phenotype of X-linked adrenoleukodystrophy (X-ALD) to assess the…
- Trial name
- Advance (NCT03231878)
- Testing
- Leriglitazone
- Where
- 10 sites in United States, France and 6 more
- Volunteers
- 116 people
- Sponsor
- Minoryx Therapeutics, S.L.
Fragile X Syndrome
Investigation of Sulindac (HLX-0201) and Gaboxadol (HLX-0206) in Male Fragile X Syndrome Patients Aged 13-40
This study is to investigate the safety, tolerability and efficacy of Sulindac (HLX-0201) and Gaboxadol (HLX-0206) in males with Fragile X Syndrome (FXS) with confirmed full FMR1 mutation treated over a 10 week period in an…
- Trial name
- IMPACT-FXS (NCT04823052)
- Testing
- Sulindac (HLX-0201), dose strength 1, Sulindac (HLX-0201), dose strength 2, Gaboxadol (HLX-0206)
- Where
- 10 sites in United States, Australia
- Sponsor
- Healx Limited
Healthy Volunteers, Down Syndrome
Leucettinib-21 First-in-Human Phase 1 in Healthy Volunteers and Subjects With Down Syndrome and Alzheimer's Disease
Leucettinib-21 First-in-Human Phase 1 Study in 6 Parts: Single (Part 1 and 5) and Multiple (Part 3 and 6) Ascending Doses, and Food-Effect (Part 2) in Healthy Subjects, and Single Dose (Part 4) in People with Down Syndrome (DS)…
- Conditions
- Healthy Volunteers, Down Syndrome, Alzheimer's Disease
- Trial name
- LEUCETTA (NCT06206824)
- Testing
- Leucettinib-21
- Where
- France
- Volunteers
- 152 people, healthy volunteers welcome
- Sponsor
- Perha Pharmaceuticals
Hunter Syndrome
Safety and Efficacy of Hunterase
The objective of this study is to determine the safety and efficacy of once weekly dosing of idursulfase-beta 0.5mg/kg administered by intravenous(IV) infusion for Hunter syndrome patients < 6 years old.
- Trial name
- GC1111 (NCT01645189)
- Testing
- Hunterase
- Where
- South Korea
- Volunteers
- 6 people
- Sponsor
- Green Cross Corporation
Trisomy 13, Trisomy 18
Prenatal Non-invasive Aneuploidy Test Utilizing SNPs Trial
This prospective blinded study will assess the diagnostic capability of an informatics enhanced SNP based technology (Parental Support) to identify pregnant women who are carrying a fetus with an aneuploidy from fee floating DNA…
- Conditions
- Trisomy 13, Trisomy 18, Trisomy 21, Aneuploidy
- Trial name
- PreNATUS (NCT01545674)
- Testing
- Blood Draw
- Where
- 29 sites in United States, Canada and 4 more
- Volunteers
- 937 people, healthy volunteers welcome
- Sponsor
- Natera, Inc.
Rett Syndrome
Rett REVOLUTION Trial: An Exploratory Evaluation of the Safety and Efficacy of Vorinostat in Rett Syndrome
The RETT REVOLUTION trial is a placebo-controlled, single-blinded, exploratory study with patients serving as their own control ("N of 1" trial design) where the safety and efficacy of vorinostat in the treatment of Rett syndrome…
- Trial name
- NCT07150013
- Testing
- Vorinostat (SAHA)
- Where
- Colombia
- Volunteers
- 15 people
- Sponsor
- Unravel Biosciences, Inc.
Mucopolysaccharidosis II
An Extension Study of JR-141 to Evaluate the Long-term Safety and Efficacy in MPS II (Hunter Syndrome) Subjects
An extension of Global Phase III open-label, multicenter designed to evaluate the Long-term safety and efficacy of study drug for the treatment of the MPS II.
- Trial name
- NCT05594992
- Testing
- JR-141
- Where
- 10 sites in United States, Argentina and 6 more
- Volunteers
- 80 people
- Sponsor
- JCR Pharmaceuticals Co., Ltd.
Prader-Willi Syndrome, Obesity
Double-Blind, Placebo Controlled, Phase 3 Trial of ZGN-440 (Beloranib) in Obese Subjects With Prader-Willi Syndrome
The purpose of this study is to evaluate efficacy and safety of ZGN-440 (beloranib) in obese adolescent and adult subjects with Prader-Willi Syndrome.
- Trial name
- bestPWS (NCT02179151)
- Testing
- ZGN-440 for Injectable Suspension
- Where
- 15 sites in United States
- Volunteers
- 108 people
- Sponsor
- Zafgen, Inc.
Mucopolysaccharidosis II
Study of Idursulfase-beta (GC1111) in Hunter Syndrome
This study evaluates the efficacy and safety of three doses of GC1111 in patients with Hunter Syndrome. Participants will be randomized to one of three doses of GC1111 or comparator.
- Trial name
- NCT02663024
- Testing
- idursulfase beta, idursulfase
- Volunteers
- 20 people
- Sponsor
- Green Cross Corporation
Fragile X Syndrome
Validation of Saliva in the Esoterix Genetic Laboratories Fragile X Assay
The purpose of this research is to determine if saliva samples can be used as an alternate sample type to test for fragile X. By using saliva instead of blood, it would be easier for patients to have fragile X testing.
- Trial name
- NCT01616589
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Esoterix Genetic Laboratories, LLC