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Intellectual Disability clinical trials at UC Davis
2 research studies open to eligible people

  • A Study of Experimental Treatment With Metformin for Fragile X Syndrome

    “Learn if Metformin may be helpful for language, behavior problems, and obesity / excessive appetite in patients with Fragile X Syndrome.”

    open to eligible people ages 6-25

    This study is a controlled trial of metformin in individuals with fragile X syndrome between the ages of 6 and 25 years. Participants will be randomized in a double-blind design to either drug or placebo and will attend three visits to the study site in a 4-month period for a series of tests. The primary objectives are to assess safety, tolerability, and efficacy of metformin in the treatment of language deficits, behavior problems, and obesity/excessive appetite in individuals with fragile X syndrome.

    Sacramento, California

  • A Study of Exposure to Sedative Medication and Long-Term Cognitive Development in Children

    “Evaluating the effect of sedation on long-term cognitive development”

    open to eligible people ages 30 months to 13 years

    The purpose of this study is to determine the relationships between sedative exposure during pediatric critical illness and long-term neurocognitive outcomes. We will test for drug- and dose-dependent relationships between sedative exposure and neurocognitive outcomes along the early developmental spectrum and will control for baseline and environmental factors, as well as the severity and course of illness. Hypotheses: 1. Greater exposure to benzodiazepines and/or ketamine will be associated with lower IQ even when controlling for severity of illness, hospital course, and baseline factors. In addition, benzodiazepines and/or ketamine will negatively affect other aspects of neurocognitive function. 2. Younger children exposed to benzodiazepines and/or ketamine will have worse neurocognitive outcomes than older children with similar sedative exposure and severity of illness.

    Sacramento, California and other locations

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