View Clinical Trial (Medical Research Study)
Childhood Autism Risks From Genetics and the Environment (The CHARGE Study) - NCT00106652-95616(Clinical Trial 124152)
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Davis |
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State:
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CA |
| Zip Code: |
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95616 |
| Conditions: |
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Autism - Developmental Disabilities |
| Purpose: |
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The purpose of this study is to understand how genes, environment, and the interplay between
the two, influences the development of autism and other neurodevelopmental disorders.
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| Study summary: |
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The causes and contributing factors for autism are poorly understood. Evidence suggests
that incidence is increasing, but diagnostic changes and improvements may be playing a role.
Both genetic and environmental factors appear to play a role. Autopsy studies demonstrate
structural changes in the brain and clinical investigations reveal neurophysiologic
differences in information processing in autistic versus normal children. Members of our
team recently demonstrated altered levels of certain neuropeptides at birth in children who
later developed autism.
This case-control study is the first large-scale epidemiologic investigation of underlying
causes for autism and triggers of regression. This study capitalizes on the strengths of
the case-control design, which is well suited to examine a broad array of factors for rare
conditions that are thought to be multifactorial. Comparisons will be made with both
general population controls and mentally retarded children.
The aims are to assess the influence of exogenous exposures, the role of susceptibility
factors, and the interplay between these two in the etiology of autism and its phenotypic
variation. Chemicals with known or suspected neurodevelopmental toxicity, such as PCB’s,
certain pesticides, and metals, are being investigated. This study pursues several
hypotheses that have recently gained attention, including the combined measles, mumps,
rubella vaccine and mercury present in vaccines given during infancy and early childhood.
Additionally, biochemical susceptibility is examined through characterization of metabolic,
immunologic, and neuronal gene expression profiles and genetic polymorphisms. |
| Criteria: |
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Inclusion Criteria:
- Children between 2 and 5 years old
- Born in California
- Parents must speak either English or Spanish
- Children must be living with at least one biologic parent
Exclusion Criteria:
- Children not meeting eligibility criteria listed above
- Children not residing in selected geographical areas (please contact for more
information about specific study locations) |
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| Study is available at: |
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University of California
Davis, CA 95616
United States
Primary Contact:
Melissa Rose, B.Sci.
Email: mbrose@ucdavis.edu
Phone: 530-754-8157
Secondary Contact:
Melissa Rose, B.Sci.
Email: mbrose@ucdavis.edu
Phone: (530) 754-8157 |
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If you are interested in this clinical trial please use the contact information above. If you would like to get additional information about this clinical trial please visit ClinicalTrials.gov.
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| Data Source: |
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ClinicalTrials.gov |
| Date Processed: |
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March 21, 2011 |
Modifications to
this listing: |
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Only selected fields are shown, please use the link
above to view all information about this clinical trial. |
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