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Environmental Polymorphisms Registry Health and Exposures Survey

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01688986
First Posted: September 20, 2012
Last Update Posted: October 6, 2017
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
National Institutes of Health Clinical Center (CC) ( National Institute of Environmental Health Sciences (NIEHS) )
  Purpose

The Environmental Polymorphisms Registry (EPR) Health and Exposure Survey is designed to gather health, family history of disease, environmental exposures and lifestyle data on adult EPR subjects. The EPR is a registry established to collect and store DNA samples from 20,000 volunteers from North Carolina and to serve as a resource to scientist investigating genotype-driven translational research of chronic conditions. Under this new protocol, we will administer a health and exposures survey to all EPR subjects. The information collected in the survey will be used to better characterize the EPR population thus making it more useful to NIEHS researchers. The survey contains approximately 200 questions. Data from the survey will help researchers develop hypotheses, design follow-up studies, and select appropriate subjects.

The survey will be administered to EPR subjects using a modified version of the Dillman Total Design Method (TDM) for surveys. This method requires following specific time-dependent steps for survey administration that incorporate both self- and phone administration and other types of phone and mail contact. The goal of TDM is to maximize subject response rates.


Condition
Diabetes Heart Disease Asthma

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Retrospective
Official Title: Environmental Polymorphisms Registry Health and Exposures Survey

Further study details as provided by National Institutes of Health Clinical Center (CC) ( National Institute of Environmental Health Sciences (NIEHS) ):

Enrollment: 9000
Study Start Date: August 25, 2012
Estimated Study Completion Date: November 22, 2016
Detailed Description:

The Environmental Polymorphisms Registry (EPR) Health and Exposure Survey is designed to collect health, family history of disease, environmental exposures and lifestyle data on EPR participants. The EPR was established to collect and store DNA specimens from 20,000 participants and to serve as a resource for scientists investigating genotype-driven translational research of chronic health conditions. Under this protocol, we will administer the approximately 200 question Health and Exposure Survey to EPR participants. The information will be used to better characterize the EPR population, thus making it more useful in answering research questions related to gene-environment interactions. Data from the survey will help researchers to advance clinical research by developing new ways of preventing, diagnosing, and treating common diseases such as cardiovascular disease, asthma, and diabetes.

During Phases I and II, the survey was administered to EPR participants using a modified version of the Dillman Total Design Method (TDM) for surveys. This method requires following specific steps for survey administration that incorporate web-based, paper and phone administration. The rationale for using the TDM is to maximize participant response rates. During Phase III, the survey may be distributed to new EPR participants (e.g., those who were not enrolled in the EPR at the time of the Phase I and II survey administrations) for self-administration at the time of enrollment.

Investigators may select and contact participants for follow-up studies based upon health, exposure, or disease status information; this includes responses to the EPR Health and Exposure Survey. Participation in follow-up studies is completely voluntary. Participants can decide at the time they are contacted if they would like to enroll in the follow-up study. Their decision whether or not to participate in a follow-up study will not affect their participation in the EPR.

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria
  • ELIGIBILITY CRITERIA:

There are no clinical exclusion criteria for this Survey. All subjects will be administered the Survey regardless of having clinical conditions.

  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01688986


Locations
United States, North Carolina
NIEHS Clinical Research Unit (CRU)
Research Triangle Park, North Carolina, United States
Sponsors and Collaborators
National Institute of Environmental Health Sciences (NIEHS)
Investigators
Principal Investigator: Shepherd H Schurman, M.D. National Institute of Environmental Health Sciences (NIEHS)
  More Information

Responsible Party: National Institute of Environmental Health Sciences (NIEHS)
ClinicalTrials.gov Identifier: NCT01688986     History of Changes
Other Study ID Numbers: 120194
12-E-0194
First Submitted: September 14, 2012
First Posted: September 20, 2012
Last Update Posted: October 6, 2017
Last Verified: November 22, 2016

Keywords provided by National Institutes of Health Clinical Center (CC) ( National Institute of Environmental Health Sciences (NIEHS) ):
Complex Disease
DNA Biorepository
Genotype-Phenotype Correlation
Genetics
Environmental Factors

Additional relevant MeSH terms:
Heart Diseases
Cardiovascular Diseases