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Clearance of NNAL and Cotinine From Second-hand Smoke in Hair and Urine

Elimination of NNAL and Cotinine From Hair and Urine

Status
Withdrawn
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00863824
Acronym
NNAL
Enrollment
0
Registered
2009-03-18
Start date
2009-07-31
Completion date
2010-05-11
Last updated
2023-08-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lung Cancer

Keywords

NNAL, Cotinine, Second hand smoke

Brief summary

This study will investigate how long it takes for NNAL and cotinine, markers of second hand smoke, to clear the human body.

Detailed description

The purpose of the study is to investigate how long it takes for NNAL and cotinine, both specific markers of second hand tobacco smoke exposure to clear the human body.

Interventions

None listed

Sponsors

Centers for Disease Control and Prevention
CollaboratorFED
University of Nebraska
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
19 Years to 75 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy Caucasians and African-Americans 19 years of age or above, how are ready to quit smoking

Exclusion criteria

* Anyone who is not a Caucasian or an African-American, below 19 years of age, and is currently taken prescription medication.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026