The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance"). The study will also monitor the metabolism of the drug by the subject's body.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
12
Compared to Placebo
Compare to active Mucinex
UNC Center for Environmental Medicine, Asthma and Lung Biology
Chapel Hill, North Carolina, United States
Difference between drug and placebo in the percentage of particles cleared from the lung.
Time frame: Measurements at 60, 90 and 180 min
Difference between drug and placebo as an estimate of small airway clearance.
Time frame: Measurements at 60, 90 and 180 min
Difference between drug and placebo between study days.
Time frame: Measurements at 60, 90 and 180 min
Blood will be drawn to determination of guaifenesin in the serum.
Time frame: at baseline and every 30 min x8
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