Maternal ExposureNCT00012428
Prenatal PCB Exposure
An observational study of Maternal Exposure, run by National Institute of Environmental Health Sciences (NIEHS).
Trial summary
This project is designed to investigate the association between prenatal exposure to environmental contaminants on cognitive development of school-age children Read more about this study
- Who is it for?
- Ages 16 years and older, women onlyHealthy volunteers can take part
- Conditions the study is for
- Maternal Exposure
- How many people
- 224 participants
- Where
- No sites listed yet
- Study dates
- Sep 1999to Aug 2009
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 16 years and older
- Women only
- Healthy volunteers accepted
- Child, Adult, Older adult
Pregnant mothers carrying full-term infants between 1991 and 1994. No longer recruiting. This is not a clinical trial. This is an epidemiological study.
About this study
Official title: Prenatal PCB Exposure and Cognitive Development
This project is designed to investigate the association between prenatal exposure to environmental contaminants on cognitive development of school-age children
- Conditions
- Maternal Exposure
- Keywords
- Cognitive development, Prenatal exposure, PCBs
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Mar 2001 (estimated)
- Study startSep 1999
- Primary completionAug 2009
- Study completionAug 2009
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Maternal ExposureStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Time perspective
- Prospective
- Enrolment
- 224 participants
Sponsor and investigators
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- Sponsor type
- US National Institutes of Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00012428
- Sponsor's protocol ID
- 9815-CP-001
- Status last verified
- Apr 2015
- First submitted
- 6 Mar 2001
- Last updated
- 14 Apr 2015
- Results posted
- No
Study at a glance
From the registry record, last updated by the sponsor on 14 Apr 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prenatal PCB Exposure and Cognitive Development
- ClinicalTrials.gov ID
- NCT00012428
- Acronym / sponsor ID
- 9815-CP-001
- Conditions
- Maternal Exposure
- Keywords
- Cognitive development, Prenatal exposure, PCBs
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 224 participants
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)US National Institutes of Health
- Study start
- Sep 1999
- Primary completion
- Aug 2009 (actual)
- Study completion
- Aug 2009 (actual)
- First posted
- 8 Mar 2001 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This project is designed to investigate the association between prenatal exposure to environmental contaminants on cognitive development of school-age children
Study design
- Time perspective
- Prospective
Who may qualify
- Ages
- 16 years and older
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 14 Apr 2015.
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The Ma'Anshan Birth Cohort (MABC)
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
An observational study of Maternal Exposure, run by National Institute of Environmental Health Sciences (NIEHS).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 14 Apr 2015. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Apr 2015; AzTrials last refreshed its copy on 28 Oct 2026.