BPA Biomonitoring Study in Cashiers

July 16, 2019 updated by: National Institute of Environmental Health Sciences (NIEHS)

We intend to conduct a pilot study designed to measure BPA levels before and after occupational exposure to thermal paper used in cash registers. We will recruit cashiers from a local commercial store that is currently still using BPA-laden thermal paper and plans to switch to BPA-free paper in the near future. The study uses a within-subject comparison design, using serum and urine samples to determine whether BPA is detectable in the study population at sufficient levels to measure differences in paired samples. Two phases of sample collection are proposed: Phase I - collecting paired samples on two separate occasions before the implementation of BPA-free thermal paper use in cash registers; and Phase II - collecting paired samples on two separate occasions after the implementation of this change in thermal paper.

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Study Overview

Status

Withdrawn

Conditions

Detailed Description

We intend to conduct a pilot study designed to measure BPA levels before and after occupational exposure to thermal paper used in cash registers. We will recruit cashiers from a local commercial store that is currently still using BPA-laden thermal paper and plans to switch to BPA-free paper in the near future. The study uses a within-subject comparison design, using serum and urine samples to determine whether BPA is detectable in the study population at sufficient levels to measure differences in paired samples. Two phases of sample collection are proposed: Phase I - collecting paired samples on two separate occasions before the implementation of BPA-free thermal paper use in cash registers; and Phase II - collecting paired samples on two separate occasions after the implementation of this change in thermal paper.

Study Type

Observational

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

18 years to 100 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

  • INCLUSION CRITERIA:
  • Male or female 18 years of age or older at the time of enrollment
  • Employed as a cashier at the site location
  • Anticipate continued employment at this business for the duration of both phases of the study
  • Able to understand and provide written informed consent to participate in the study
  • Have a minimum of 24 hours off from work before providing pre-shift samples
  • Participants may be healthy or have preexisting conditions.

Field Site Inclusion Criteria:

  • Have a minimum of 20 employed cashiers
  • Use BPA-laden thermal paper and is planning to switch to BPA-free thermal paper
  • Have a private area that the study nurse can use for enrollment and collection of biological samples
  • Willing to collaborate with study team to conduct study on-site

EXCLUSION CRITERIA:

-There are no additional exclusion criteria

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.

Sponsor

National Institute of Environmental Health Sciences (NIEHS)

Investigators

  • Principal Investigator: John Bucher, Ph.D., National Institute of Environmental Health Sciences (NIEHS)

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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

January 10, 2011

Study Completion

December 4, 2012

Study Registration Dates

First Submitted

January 29, 2011

First Submitted That Met QC Criteria

January 29, 2011

First Posted (Estimate)

February 1, 2011

Study Record Updates

Last Update Posted (Actual)

July 17, 2019

Last Update Submitted That Met QC Criteria

July 16, 2019

Last Verified

December 4, 2012

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • 999911074
  • 11-E-N074

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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