NCT04768803
Ghrelin in Patients With a Rare Disease Associated With Intellectual Disability, and Hyperphagia, and/or Overweight, and/or Obesity Not Available Not Available recruiting NCT02942498
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 treatment 3 completed NCT01711606
EXPLAIN -FragilE X Registry: An exPlorative Longitudinal Study for chAracterIzation, Treatment Pathways and patieNt-related Outcomes No drug interventions Not Available Not Available terminated NCT02719951
Glutaminergic Transmission in Autism : Molecular Imaging Exploration No drug interventions diagnostic 1 completed NCT02465931
Decisional Capacity and Informed Consent in Fragile X Syndrome No drug interventions screening Not Available completed NCT04308954
Neuroimaging GABA Physiology in Fragile X Syndrome basic_science 1 terminated NCT03697161
A Study of OV101 in Individuals With Fragile X Syndrome treatment 2 completed NCT04314856
Novel Clinical Target in Fragile X Syndrome No drug interventions other 1 withdrawn NCT00362843
Protein Synthesis in the Brain of Patients With Fragile X Syndrome No drug interventions Not Available Not Available completed NCT02769949
Pediatric Patients With Metabolic or Other Genetic Disorders No drug interventions Not Available Not Available recruiting NCT05030129
ERG/5-HTP in Fragile X Syndrome (FXS) treatment 2 completed NCT03722290
Metformin in Children and Adults With Fragile X Syndrome treatment 2 completed NCT06261502
Effect of CANnabidiol on Anxiety and GABAergic Function in Individuals With Fragile-X Syndrome treatment 2 not_yet_recruiting NCT01204151
Teaching Math Skills to Individuals With Fragile X Syndrome No drug interventions supportive_care Not Available completed NCT02642653
Combining Lovastatin and a Parent-Implemented Language Intervention for Fragile X Syndrome treatment 4 completed NCT05295277
Validation of Optical Genome Mapping for the Identification of Constitutional Genomic Variants in a Postnatal Cohort No drug interventions Not Available Not Available recruiting NCT01254045
Double-blind Placebo Controlled Study of Oxytocin in Fragile X Syndrome treatment 2 completed NCT05301361
Sensitivity of the NIH Toolbox to Stimulant Treatment in Intellectual Disabilities other 1 enrolling_by_invitation NCT01855971
"Using Epigallocatechin Gallate (EGCG) and Cognitive Training to Modulate Cognitive Performance in Patients With Fragile X Syndrome" (TESFX) No drug interventions treatment 2 completed NCT00965432
A Single-Dose Study in Normal Volunteers to Assess the Safety, Tolerability and Pharmacokinetics of STX107 treatment 1 completed NCT00420459
A Prospective Open-label Study of Aripiprazole in Fragile X Syndrome treatment 2 completed NCT06560242
Tracking Early Emergence of Sound Perception Impairments in FXS With Multimodal fNIRS/EEG- Infant No drug interventions basic_science Not Available recruiting NCT03802799
Open Label Extension to Assess the Long-Term Safety and Tolerability of ZYN002 in Children and Adolescents With FXS treatment 2 / 3 enrolling_by_invitation NCT01364818
Brain Connectivity in Neurodevelopmental Disorders in Response to Treatment No drug interventions Not Available Not Available completed NCT06334419
Placebo-Controlled, Single-Dose Challenge Study of Gaboxadol in Adult Males With Fragile X Syndrome (FXS) basic_science 2 recruiting NCT00718341
Efficacy, Safety and Tolerability of AFQ056 in Fragile X Patients No drug interventions treatment 2 completed NCT04141163
Metformin in Patients With Fragile X treatment 1 / 2 unknown_status NCT03614663
Clinical Study Of caNNabidiol in childrEn and adolesCenTs With Fragile X (CONNECT-FX) treatment 2 / 3 completed NCT05358886
A Study of BPN14770 in Male Adults (Aged 18 to 45) With Fragile X Syndrome treatment 3 recruiting NCT04977986
Clinical Study of Cannabidiol in Children, Adolescents, and Young Adults With Fragile X Syndrome treatment 3 recruiting NCT01357239
Safety and Efficacy of AFQ056 in Adolescent Patients With Fragile X Syndrome treatment 2 completed NCT01015430
A Study With RO4917523 in Patients With Fragile X Syndrome treatment 2 completed NCT00054730
Effects of CX516 on Functioning in Fragile X Syndrome and Autism treatment 2 completed NCT01120626
Randomized Controlled Study of Donepezil in Fragile X Syndrome treatment 2 completed NCT00870974
A PET Brain Imaging Study of mGluR5 in Subjects With Neuropsychiatric Conditions Not Available 1 completed NCT01325220
Efficacy and Safety Study of STX209 (Arbaclofen) for the Treatment of Social Withdrawal in Children With Fragile X Syndrome treatment 3 completed NCT06293027
Optical Imaging as a Tool for Monitoring Brain Function in Fragile X Syndrome No drug interventions Not Available Not Available recruiting NCT05367960
An Open-Label Extension Study of BPN14770 in Subjects With Fragile X Syndrome treatment 3 enrolling_by_invitation NCT06227780
Alpha Auditory Entrainment for Cognitive Enhancement and Sensory Hypersensitivity in Youth With Developmental Disorders No drug interventions treatment Not Available recruiting NCT01013480
An Open Label Extension Study of STX209 in Subjects With Fragile X Syndrome treatment 2 terminated NCT01253629
Safety and Efficacy of AFQ056 in Adult Patients With Fragile X Syndrome treatment 2 completed NCT01616589
Validation of Saliva in the Esoterix Genetic Laboratories Fragile X Assay No drug interventions Not Available Not Available unknown_status NCT00858689
Add-on Pilot Trial of Minocycline to Treat Fragile X Syndrome treatment Not Available completed NCT02920892
AFQ056 for Language Learning in Children With FXS treatment 2 completed NCT06139172
Web Intervention for Parents of Youth With Genetic Syndromes (WINGS) No drug interventions treatment Not Available recruiting NCT01282268
Efficacy and Safety Study of STX209 (Arbaclofen) for Social Withdrawal in Adolescents and Adults With Fragile X Syndrome treatment 3 completed NCT00823368
Biomarker Testing and DNA Collection in Subjects Participating in Protocol 22001 Not Available Not Available completed NCT01474746
Trial of Sertraline to Treat Children With Fragile X Syndrome treatment 2 completed NCT06147414
Development of Non-Invasive Prenatal Diagnosis for Single Gene Disorders No drug interventions Not Available Not Available not_yet_recruiting NCT05832255
An Investigation of Psilocybin on Behavioural and Cognitive Symptoms of Adults With Fragile X Syndrome treatment 2 suspended NCT01911455
Study of Acamprosate in Fragile x Syndrome basic_science 1 completed NCT06261450
Effect of CBD on the Brain basic_science 2 not_yet_recruiting NCT01300923
Acamprosate in Youth With Fragile X Syndrome treatment 2 completed NCT03655223
Early Check: Expanded Screening in Newborns No drug interventions Not Available Not Available enrolling_by_invitation NCT01482143
Clinical Study to Assess the Pharmacokinetics, Safety and Tolerability of Single and Multiple Oral Doses of AFQ056 in Children With Fragile X Syndrome (FXS) other 1 completed NCT00637221
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 treatment 1 / 2 completed NCT00220584
An Open-Label Trial of Donepezil in Fragile X Syndrome treatment 1 completed NCT02680379
Combined Treatment of Minocycline and Lovastatin to Treat Individuals With Fragile X Syndrome treatment 2 completed NCT01348087
Long-term, Safety, Tolerability and Efficacy Study of AFQ056 in Adult Patients With Fragile X Syndrome treatment 2 terminated NCT01555333
An Open Label Extension Study in Subjects With Fragile X Syndrome treatment 3 terminated NCT01433354
Long-term, Safety and Tolerability Study of AFQ056 in Adolescent Patients With Fragile X Syndrome (Open-label) treatment 2 / 3 terminated NCT04698551
NIPD on cffDNA for Triplet Repeat Diseases No drug interventions Not Available Not Available unknown_status NCT02998151
Neurophysiological and Acute Pharmacological Studies in FXS Patients basic_science 0 completed NCT01517698
A Study of RO4917523 in Patients With Fragile X Syndrome treatment 2 completed NCT05120505
Metformin in Children With Fragile X Syndrome treatment 4 recruiting NCT00334971
Aromatase Activity and Ovarian Growth Factors in African-American Versus Caucasian Women No drug interventions Not Available Not Available unknown_status NCT03109756
Single Dose Pharmacokinetic (PK) Study treatment 1 completed NCT03510156
Treatment of Disruptive Behaviors in Fragile X Syndrome No drug interventions treatment Not Available completed NCT01053156
Trial of Minocycline to Treat Children With Fragile X Syndrome treatment Not Available completed NCT03624556
Pediatric Exploratory Research Study of EGCG Use and Safety (PERSEUS) No drug interventions treatment Not Available completed NCT06413537
Study of SPG601 in Adult Men With Fragile X Syndrome treatment 2 recruiting NCT04823052
Investigation of Sulindac (HLX-0201) and Gaboxadol (HLX-0206) in Male Fragile X Syndrome Patients Aged 13-40 treatment 2 withdrawn NCT00895752
Riluzole in Fragile X Syndrome treatment 4 completed NCT01725152
Ganaxolone Treatment in Children With Fragile X Syndrome treatment 2 completed NCT03836300
Parent and Infant Inter(X)Action Intervention (PIXI) No drug interventions treatment Not Available enrolling_by_invitation NCT01329770
Safety and Efficacy Study of Antioxidants for the Treatment of the Fragile X Syndrome No drug interventions treatment 2 completed NCT05418049
Evaluating the Neurophysiologic and Clinical Effects of Single Dose Drug Challenge basic_science 2 recruiting NCT05957549
Tracking Early Emergence of Sound Perception Impairments in FXS With Multimodal fNIRS/EEG-Preschool Age No drug interventions basic_science Not Available recruiting NCT03140813
An Initial Study of AZD7325 in Adults With Fragile X Syndrome treatment 1 completed NCT01187524
The Natural History of Reproductive and Overall Health in Girls and Women With a Pre-Mutation in the FMR1 Gene; Creation of a Patient Registry No drug interventions Not Available Not Available terminated NCT04610424
Cooperative Parent Mediated Therapy in Children With Fragile X Syndrome and Williams Syndrome No drug interventions treatment Not Available unknown_status NCT02616796
Effects of Social Gaze Training on Brain and Behavior in Fragile X Syndrome No drug interventions treatment 1 / 2 completed NCT01894958
A Safety Study of NNZ-2566 in Patients With Fragile X Syndrome treatment 2 completed NCT06279858
Probiotic Intervention for Microbiome Modifications and Clinical Improvements in Fragile X Syndrome No drug interventions basic_science Not Available recruiting NCT06081348
Sertraline vs. Placebo in the Treatment of Anxiety in Children and AdoLescents With NeurodevelopMental Disorders treatment 2 active_not_recruiting NCT01750957
A Study of RO4917523 in Pediatric Patients With Fragile X Syndrome treatment 2 completed NCT00768820
The Psychiatric and Cognitive Phenotypes in Velocardiofacial Syndrome diagnostic 4 recruiting NCT03569631
A 2-Period Crossover Study of BPN14770 in Adults Males With Fragile X Syndrome treatment 2 completed NCT00788073
Safety, Tolerability and Efficacy Study of STX209 in Subjects With Fragile X Syndrome treatment 2 completed NCT03479476
A Trial of Metformin in Individuals With Fragile X Syndrome treatment 2 / 3 completed NCT02747394
Cognitive Training for Fragile X Syndrome No drug interventions treatment Not Available completed NCT00892580
Biomarker and DNA Collection in Subjects Participating in Protocol 22003 Not Available Not Available completed NCT06088589
Speech-in-noise Perception in Autism and Fragile X No drug interventions basic_science Not Available not_yet_recruiting NCT01325740
A Study to Assess the Tolerability of a Single Dose of STX107 in Adults With Fragile X Syndrome treatment 2 suspended NCT06480968
CTH120 First-in-Human Study: Single and Multiple Ascending Doses and Potential Food Interaction No drug interventions treatment 1 recruiting NCT02126995
A 6-week, Study of MG01CI Low Dose and High Dose Compared With Placebo in Adults and Adolescents With Fragile X Syndrome treatment 2 completed NCT03862950
A Trial of Metformin in Individuals With Fragile X Syndrome (Met) treatment 2 recruiting NCT05163808
A Randomized Study of BPN14770 in Male Adolescents (Aged 9 to < 18 Years) With Fragile X Syndrome treatment 2 / 3 recruiting