Status:
UNKNOWN
A Multi-center Study to Determine the Prevalence and Influence of Pertussis on Subacute Cough in Shenzhen
Lead Sponsor:
Shenzhen People's Hospital
Conditions:
Pertussis
Chronic Cough
Eligibility:
All Genders
40-80 years
Brief Summary
A prospective, multi-center, observational clinical trail. Aim to evaluate the real incidence of COPD pertussis and the impact of pertussis on subaute cough.
Detailed Description
1. Investigate the incidence and epidemiological characteristics of pertussis infection in subaute cough population. 2. To explore the relationship between pertussis infection and subaute cough.
Eligibility Criteria
Inclusion
- The cough lasts 3 to 8 weeks and there is no obvious evidence of lung disease on chest X-ray.
Exclusion
- 1\. Major diseases except subaute cough; 2. Significant abnormality in laboratory examination; 3. Clinical diagnosis of lung cancer, bronchiectasis, pneumoconiosis or other simple restrictive ventilation dysfunction; 4. Patients with a history of asthma, allergic rhinitis, or a blood eosinophil count of 2600/mm3 (0.6x10\^9/L) within 4 weeks; 5. Currently suffering from active tuberculosis; 6. Patients with life-threatening pulmonary embolism, or al-antitrypsin deficiency, or cystic fibrosis; 7. Patients who have undergone lung resection.
Key Trial Info
Start Date :
January 1 2021
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
December 31 2021
Estimated Enrollment :
500 Patients enrolled
Trial Details
Trial ID
NCT04694963
Start Date
January 1 2021
End Date
December 31 2021
Last Update
January 5 2021
Active Locations (26)
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1
Fuyong people's Hospital of Baoan District, Shenzhen
Shenzhen, China
2
General Hospital of Shenzhen University
Shenzhen, China
3
Longhua Branch of Shenzhen People's Hospital
Shenzhen, China
4
Nanshan District People's Hospital
Shenzhen, China