NCT00011310

Brief Summary

The aim of this study is to assess cardiac rate and respiratory responses and rhythm after workplace exposure to combustion particulates. A repeated measurement study is being performed on acute boilermakers (apprentices and journeymen). A stratified analysis is then done on those with and without chronic bronchitis, after adjustment for relevant covariates.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Timeline
Completed

Started Mar 1999

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 1999

Completed
2 years until next milestone

First Submitted

Initial submission to the registry

February 15, 2001

Completed
4 days until next milestone

First Posted

Study publicly available on registry

February 19, 2001

Completed
12 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2002

Completed
Last Updated

September 4, 2006

Status Verified

September 1, 2006

First QC Date

February 15, 2001

Last Update Submit

September 1, 2006

Conditions

Keywords

ParticulatesAir PollutionCardiopulmonary DiseaseLungInflammation

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Adults; Over 18; Boilermakers

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (1)

Harvard School of Public Health

Boston, Massachusetts, 02115, United States

Location

MeSH Terms

Conditions

Respiratory Tract DiseasesHeart DiseasesBronchitisPulmonary Heart DiseaseInflammation

Condition Hierarchy (Ancestors)

Cardiovascular DiseasesRespiratory Tract InfectionsInfectionsBronchial DiseasesLung Diseases, ObstructiveLung DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Design

Study Type
observational
Observational Model
DEFINED POPULATION
Time Perspective
PROSPECTIVE
Sponsor Type
NIH

Study Record Dates

First Submitted

February 15, 2001

First Posted

February 19, 2001

Study Start

March 1, 1999

Study Completion

February 1, 2002

Last Updated

September 4, 2006

Record last verified: 2006-09

Locations