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Randomised, Double-blinded, Placebo-Controlled Study of Therapeutic Effect of Su-Huang Antitussive Capsule on Cough Variant Asthma(CVA)
This study aims to observe the therapeutic effect of Su-Huang antitussive capsule on cough variant asthma. The investigators hypothesize: Cough score and cough reflex sensitivity will be improved after treatment with Su-Huang antitussive capsule.
Details
| Lead sponsor | The First Affiliated Hospital of Guangzhou Medical University |
|---|---|
| Phase | Phase 4 |
| Status | UNKNOWN |
| Enrolment | 60 |
| Start date | 2012-06 |
| Completion | 2013-08 |
Conditions
- Asthma
Interventions
- Su-Huang antitussive capsule
- Sugar pill
Primary outcomes
- Day-time and night-time cough symptom total-score changes from baseline to visit 3 — 2 weeks
Countries
China