Effects of Neutrophil Extracellular Traps and Damage-associated Molecular Pattern Molecules on Long Term Use of Macrolides in Adults With Chronic Respiratory Disease

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

300 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-08-01

Study Completion Date

2024-08-01

Brief Summary

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The purpose of this study is to investigate the effects of neutrophil extracellular traps and damage-associated molecular pattern molecules on long term use of macrolides in adults with chronic respiratory disease.

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Detailed Description

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This study is a prospective, observational, non-interventional cohort study to explore investigate the effects of neutrophil extracellular traps and damage-associated molecular pattern molecules on long term use of macrolides in adults with chronic respiratory disease.The study subjects were adult patients with chronic respiratory disease who met the inclusion criteria in the outpatient department from August 2021 to August 2023. A face-to-face questionnaire survey was conducted. ACT score was used for asthma control evaluation. Baseline data such as pulmonary function, FeNO, blood routine, induced sputum cell count, etc. were obtained. The use of hormones and other drugs was recorded. Inflammatory biomarkers were detected. 20ml venous blood was drawn to extract neutrophils to detect the expression of neutrophil extracellular traps and RT-PCR and ELISA were used to detect the expression of DAMPs. The total study duration was 2 years, with telephone visits every 3 months to assess chronic respiratory disease control and record subject compliance, unscheduled outpatient, emergency, and inpatient status.

Conditions

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Chronic Respiratory Disease

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* 1）Age ≥ 18 years; 2）Gender: not limited; 3）Diagnosis of asthma according to GINA guidelines (version 2021). 4）COPD was diagnosed according to GOLD guidelines (version 2021). 5）ACOS was diagnosed according to the consensus criteria for asthma-chronic obstructive pulmonary overlap syndrome (version 2021).

Exclusion Criteria

* 1\) Acute heart failure, severe organ failure, malignant tumors; 2) Other lung diseases such as pulmonary infection，pulmonary hypertension,tumor which seriously affect lung function, sputum cell classifi cation and other test results; 3) Pregnancy and lactation; 4) Recent surgery history.

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes