Roles of Postnatal Transient Connectivity in the Development of Fragile X Syndrome

This team is studying why people with Fragile X are overly sensitive to sound and light, using advanced imaging to find brain changes and test ways to prevent them.

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Researcher analyzing gait patterns on a treadmill for Fragile X syndrome motor function study.

Developmental Motor Phenotype in Fragile X Syndrome

A little known sign of Fragile X is unsteady walking. This team is developing outcome measures of gait for future treatment trials. Results published.

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Emily Osterweil

Enhancement of NMDA Receptor Signaling for the Treatment of Fragile X Syndrome

Drs. Emily Osterweil and Stephanie Barnes investigated NMDA receptor signaling and how rebalancing protein synthesis could correct Fragile X brain abnormalities.

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Stephanie Barnes, PhD

Enhancing NMDA Receptor Signaling to Treat Fragile X Syndrome

FRAXA-backed work revealed NMDA receptors may hold the key to correcting brain signaling in Fragile X, pointing to new treatment strategies.

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Clinical Study of Non-Invasive EEG for Children Ages 2-7

Dr. Carol Wilkinson, MD PhD at Boston Children’s Hospital recruited children ages 2-7 years with Fragile X syndrome to participate in a study of EEG.

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Screening Combinatorial Pharmacological Therapies for Fragile X Syndrome

Screening Combinatorial Pharmacological Therapies for Fragile X Syndrome

This Stanford University team assessed combinatorial drug treatments to correct a broad spectrum of deficits observed in Fragile X syndrome. Results published.

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Mark Bear, PhD & Sara Kornfeld Simpson

Altered Physiology of Primary Visual Cortex in Fragile X Syndrome

This team believes inhibitory neurons expressing somatostatin are impaired in Fragile X. They will see if stimulating these neurons has therapeutic potential.

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Preclinical Testing of High Fat/Low Carb Diets in Fragile X Mice and Cells

Dr. Cara Westmark’s team will use mice to determine if palatable Atkins-type diets can improve sleep and boost learning skills for those with Fragile X syndrome.

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Characterization and Modulation of microRNAs in Fragile X Syndrome

MicroRNAs are disrupted in Fragile X; the team will work to understand this and explore ways to correct it with drugs which directly target microRNAs.

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fNIRS to Measure Treatment Response in Young Children with Fragile X

The team tested functional near-infrared spectroscopy (fNIRS). fNIRS uses light sources and sensors on the scalp to build a heat map of the brain in action.

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Pharmacological Modulation of Nicotinic Signaling

This study tests whether blocking certain nicotine-sensitive receptors in the brain during adolescence can improve attention and cognition in Fragile X.

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Reactivating the FMR1 Gene to Reverse Fragile X Syndrome

This project aims to reactivate the FMR1 gene to combat Fragile X Syndrome, with the goal of restoring vital protein function. This work is now funded by a new FRAXA grant.

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SRC Family Kinase Inhibitor as a Potential Treatment for Fragile X Syndrome

This $100,000 FRAXA grant will fuel the Smith lab’s new approach to treating Fragile X syndrome using Saracatinib, originally a cancer drug.

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Targeting Serotonin 1a Receptors to Reverse Neurobehavioral Phenotypes

Neurolixis’ new drug targets serotonin 1A receptors, showing promise in preclinical studies for Fragile X syndrome, funded by a FRAXA grant for future clinical trials.

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Fragile X Clinical Trial of New PDE4D Inhibitor from Tetra

A $200K FRAXA grant enabled a successful Phase 2 trial of a PDE4D inhibitor for adult men with Fragile X, showing strong cognitive gains without side effects or tolerance.

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Altered Sleep in Fragile X Syndrome: Basis for a Potential Therapeutic Target

With this FRAXA grant, Dr. Carolyn B. Smith and Dr. Rache Sare at the National Institute of Mental Health investigated the basis of sleep problems in Fragile X syndrome.

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Functional and Genomic Characterization of Interneurons in the Fmr1-KO Mouse Brain

The brain’s balance is maintained by two types of neurons: excitatory and inhibitory. This team has found fewer than normal inhibitory cells in Fragile X mice.

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Function of FMRP and Test of a Novel Therapeutic Approach in a Fragile X Mouse Model

FRAXA-supported work has identified DgkK as a critical enzyme lost in Fragile X. Drugs that raise DgkK levels may correct brain signaling and improve symptoms.

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Repurposing FDA-Approved Drugs to Treat Major Depressive Disorder in Fragile X Syndrome

Depression is common in Fragile X, but current antidepressants need FMRP to work. Researchers will screen FDA-approved drugs to find effective options for FXS.

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Banerjee team at College of Staten Island

Correcting Fragile X Syndrome Deficits by Targeting Neonatal PKCε Signaling in the Brain

Enhancing PKCε in early development normalized oxytocin, AMPAR signaling, and adult behavior in Fragile X mice, highlighting PKCε as a promising therapeutic target.

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LEPAGE_jean-francois_CORBIN_francois

Lovamix: Clinical Trial of Combined Treatment of Minocycline and Lovastatin in Fragile X Syndrome

FRAXA funded the LovaMiX trial of lovastatin + minocycline for Fragile X. 2022 results show safety and support continued study of this dual-target treatment approach.

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Frank Kooy lab

GABA-A Receptor in Fragile X Syndrome

Published results from Dr. Frank Kooy reveal how GABAA receptor changes may hold the key to treating Fragile X syndrome.

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Cannabinoids as a Treatment for Fragile X Syndrome

This team uses EEG to study sensory hypersensitivity in Fragile X. By testing drugs in mice, they aim to find treatments that calm brain overactivity.

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Galarneau lab team

Clinical Trial of Metformin for Fragile X Syndrome

FRAXA-funded open-label trial found that metformin led to increased GABA-mediated cortical inhibition, suggesting metformin modulates core Fragile X pathways.

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FRAXA Funded Research

Current Research Grants (37)