Nevada Environmental Tobacco Smoke and Health Study

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

375 participants

Study Classification

INTERVENTIONAL

Study Completion Date

2005-08-31

Brief Summary

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Workplace exposure to secondhand cigarette smoke or environmental tobacco smoke (ETS)is widespread, effecting between 19 and 49% of the U.S. workforce. The first part of this study is designed to test whether exposure to ETS in the workplace effects a person's risk of developing chronic diseases such as cardiovascular disease and cancer. The second part of this study is designed to test whether antioxidant supplementation in this group of ETS exposed individuals can reduce their risk of developing chronic disease.

The study will look at 375 non-smokers who either work on a casino floor or as bartenders or cocktail servers. Initial baseline data will be collected (questionnaires and blood samples taken) and the subjects will be randomized into one of three groups, placebo, low antioxidant supplementation and high antioxidant supplementation. They will be followed over a two-year period, coming in for follow-up testing every six months. Statistical analysis will be conducted to see whether this group of ETS exposed individuals has a greater risk of developing chronic disease and whether the use of antioxidant supplements can moderate any risks.

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Detailed Description

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Conditions

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Cardiovascular Disease Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Interventions

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Antioxidants

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

Non-smoker Work in a casino - on the casino floor or work as a bartender or cocktail server for at least 1 year Do not take antioxidant supplements Healthy - not diagnosed with any major chronic diseases.