- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00014898
Attention Deficit Disorder and Exposure to Lead
June 23, 2005 updated by: National Institute of Environmental Health Sciences (NIEHS)
We are examining the past exposure to lead in 250 well characterized children with ADHD, and a suitable group of controls.
Our measure of past exposure is bone lead levels obtained by XRay fluorescence spectroscopy, a relatively new way of estimating bone lead concentrations, and by inference, body lead burdens.
By comparing the lead concentrations in these two groups, controlling for other factors which could confound, we will estimate odds ratios for ADHD given elevated bone lead, and estimate the contribution of lead to this disease of childhood.
Study Overview
Status
Completed
Conditions
Study Type
Observational
Enrollment
500
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15213
- University of Pittsburgh
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
10 years to 18 years (Child, Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Description
Case subjects are drawn from adolescents aged 10 to 18 previously seen at Western Psychiatric Institute and Clinic for evaluation, and meet the DSM-IIIR criteria for diagnosis of ADHD based on a structured parent interview and standardized parent and teacher rating scales.
Cases were also systematically observed and evaluated in the summer treatment program between 1987 and 1996 at WPIC.
Controls are demographically matched non-ADHD adolescents, recruited from surrounding communities and pediatric practices.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
June 1, 1999
Study Completion
May 1, 2002
Study Registration Dates
First Submitted
April 12, 2001
First Submitted That Met QC Criteria
April 12, 2001
First Posted (Estimate)
April 13, 2001
Study Record Updates
Last Update Posted (Estimate)
June 24, 2005
Last Update Submitted That Met QC Criteria
June 23, 2005
Last Verified
March 1, 2001
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 5015-CP-001
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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