- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04694963
A Multi-center Study to Determine the Prevalence and Influence of Pertussis on Subacute Cough in Shenzhen
A Integration of Respiratory Medicine and Prevention Multi-center Study to Determine the Prevalence and Influence of Pertussis on Subacute Cough in Shenzhen by National Respiratory Diseases Clinical Medicine Research Center
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
- Investigate the incidence and epidemiological characteristics of pertussis infection in subaute cough population.
- To explore the relationship between pertussis infection and subaute cough.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
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Shenzhen, China
- Peking University Shenzhen Hospital
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Shenzhen, China
- Shenzhen Second People's Hospital
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Shenzhen, China
- Fuyong people's Hospital of Baoan District, Shenzhen
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Shenzhen, China
- General Hospital of Shenzhen University
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Shenzhen, China
- Longhua Branch of Shenzhen People's Hospital
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Shenzhen, China
- Nanshan District People's Hospital
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Shenzhen, China
- Shenzhen Bao'an District Central Hospital
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Shenzhen, China
- Shenzhen Bao'an District People's Hospital
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Shenzhen, China
- Shenzhen Hospital of Beijing University of traditional Chinese Medicine
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Shenzhen, China
- Shenzhen Hospital of Southern Medical University
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Shenzhen, China
- Shenzhen Hospital of the University of Hong Kong
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Shenzhen, China
- Shenzhen Longgang District Central Hospital
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Shenzhen, China
- Shenzhen Longgang District People's Hospital
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Shenzhen, China
- Shenzhen Longgang District Second People's Hospital
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Shenzhen, China
- Shenzhen Longgang District Third People's Hospital
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Shenzhen, China
- Shenzhen Longhua District Central Hospital
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Shenzhen, China
- Shenzhen Longhua District People's Hospital
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Shenzhen, China
- Shenzhen Luohu District People's Hospital
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Shenzhen, China
- ShenZhen People's Hospital
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Shenzhen, China
- Shenzhen Pingshan District Hospital of traditional Chinese Medicine
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Shenzhen, China
- Shenzhen Pingshan District People's Hospital
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Shenzhen, China
- Shenzhen Qianhai Shekou Free Trade Zone Hospital
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Shenzhen, China
- Shenzhen TCM Hospital
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Shenzhen, China
- Shenzhen Yantian District People's Hospital
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Shenzhen, China
- South University of science and Technology Hospital
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Shenzhen, China
- The eighth Affiliated Hospital of Sun Yat sen University
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- The cough lasts 3 to 8 weeks and there is no obvious evidence of lung disease on chest X-ray.
Exclusion Criteria:
- 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.
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Cross-Sectional
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Subaute Cough
N=500
|
2 ml venous blood was collected and separated into serum.
Before the collection of oropharyngeal swabs, instruct the patient to wash the mouth or gargle, fix the patient's head, open the mouth and expose the throat. If necessary, use a tongue depressor to gently press the tongue. Use the swab to wipe the secretion on both sides of the palatal arch, pharynx and tonsil with a sensitive and gentle action, and quickly withdraw the swab to avoid contacting other parts of the mouth. Put the swab in the sterile test tube, plug the opening with cotton ball, and send it for inspection and registration in time. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of the prevalence of pertussis among subacute cough
Time Frame: Day 0 of each subject at the time of enrollment.
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According to the positive rate of bordetella pertussis nucleic acid, evaluate the prevalence of pertussis in subaute cough.
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Day 0 of each subject at the time of enrollment.
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Evaluation of the correlation between pertussis and subacute cough
Time Frame: Day 0 of each subject at the time of enrollment.
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Evaluate the correlation between pertussis infection and subacute cough by pertussis positive rate and clinical parameters.
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Day 0 of each subject at the time of enrollment.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of the seroprevalence of bordetella pertussis in subacute cough
Time Frame: Day 0 of each subject at the time of enrollment.
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According to anti-pertussis (anti-PT) antibody levels, assess the overall seroprevalence of bordetella pertussis in subacute cough.
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Day 0 of each subject at the time of enrollment.
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Evaluation of the cut-off value for serological diagnosis of pertussis.
Time Frame: Day 0 of each subject at the time of enrollment.
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By comparing the nucleic acid and antibody levels of Bordetella pertussis to evaluate the antibody cut-off value for serological diagnosis of pertussis.
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Day 0 of each subject at the time of enrollment.
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Evaluation of the subtype of bordetella pertussis.
Time Frame: Day 0 of each subject at the time of enrollment.
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According to the level and pattern of different anti-pertussis antibodies (anti-PT, anti-FHA, anti-PRN, anti-FIM2, anti-FIM3), assess the subtype of Bordetella pertussis.
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Day 0 of each subject at the time of enrollment.
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- WLW-SC-Pertussis
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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