CVA
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. From 18 to 70 years old; 2. The symptom of cough lasts more than 8 weeks; 3. Coughing with little spit or smell and cold air can trigger cough; 4. Sternum without obvious abnormality; 5. FeNO>25ppb; 6. Excluding the disgnoise of acute cough, reflux esophagitis and upper airway cough syndrome; 7. Free from other respiratory diseases; 8. Agree and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Patients who can't meet the standard mentioned above; 2. Be allergic to investigational medicinal products; 3. Renal function impairment or liver function higher than normal 1.5 tiomes; 4. Alcoholism or history of drug dependence; 5. Pregnance and breastfeeding women; 6. Patients have poor compliance or difficulty in communication; 7. Patients who participate in other clinical trials in the last month.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Daytime cough symptom score;night cough symptom score;FeNO; | — |
Countries
China
Contacts
Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University