Safety and Efficacy of 4-weeks Treatment of BIBW 2948 BS in Patients With Chronic Obstructive Bronchitis
Status:
Withdrawn
Trial end date:
1969-12-31
Target enrollment:
Participant gender:
Summary
The primary objective of this study is to investigate the effect of 4-week treatment with 7.5
mg b.i.d, 15 mg q.d and 15 mg b.i.d. BIBW 2948 BS and placebo on cough and sputum as
determined by the CASA-Q (Cough and Sputum Assessment Questionnaire