None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who had cough persisting for more than 8 weeks and visited a specialist cough clinic for the first time at a tertiary hospital. They did not undergo diagnostic evaluation and had not received antitussive treatment, such as codeine or levodropropizine at the referral clinics; and the cough did not resolve after cessation of smoking at least 4 weeks;
Exclusion criteria
Exclusion criteria: The study participants excluded patients with co-administration of medications that are likely to interact with antitussives and underlying lung disorders such as pulmonary tuberculosis, pneumonia, emphysema, bronchiectasis, or lung cancer
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change of cough visual analogue scale | — |
Secondary
| Measure | Time frame |
|---|---|
| Change of Cough Symptom Score;Change of Leicester Cough Questionnaire;Treatment-emergent adverse events;Medication adherence ;Treatment satisfaction | — |
Countries
Korea, Republic of
Contacts
Gachon University Gil Medical Center