- Conditions
- Chronic Bronchitis
- Interventions
- Oral N-acetycystein (NAC)
- Drug
- Lead sponsor
- Wake Forest University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 240 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1997 – 2000
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
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