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Serum amlyoid A (SAA) was shown to act as biomarker for exacerbation of chronic obstructive pulmonary disease (AE-COPD). It seems that SAA triggers chronic inflammation by binding to ALX/PFR2 receptor. In contrast, lipoxin A4 seems to inhibit the inflammatory processes by binding to ALX/PFR2 receptor. A small trial has already demonstrated an imbalance between SAA and lipoxin A4 during AE-COPD. This study evaluates SAA level and SAA/lipoxin A4 ratio in patients with stable COPD and AE-COPD.
Patient enrolment and data aquisition is to be carried out on a prospective basis. It is planned to enrol 40 patients with stable COPD and 40 patients with AE-COPD. All patients will undergo blood sampling inlcuding SAA and Lipoxin A4.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Patient with stable COPD | Evaluation of serum amlyoid A, lipoxin A4, CRP and fibrinogen | ||
| Patient with COPD exacerbation | Evaluation of serum amlyoid A, lipoxin A4, CRP and Fibrinogen at beginning and at the end of COPD exacerbation |
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| Measure | Description | Time Frame |
|---|---|---|
| SAA | SAA level in stable COPD and COPD exacerbation | time of exacerbation/hospitalisation, an average of 3 days |
| SAA/lipoxin A4 ratio | SAA/lipoxin A4 ratio in stable COPD and COPD exacerbation | time of exacerbation/hospitalisation, an average of 3 days |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with COPD GOLD 3-4 confirmed by anamnesis and pulmonary function test (stable COPD and COPD exacerbation)
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Daniela Gompelmann, MD | Contact | 004962213968087 | daniela.gompelmann@med.uni-heidelberg.de |
| Name | Affiliation | Role |
|---|---|---|
| Daniela Gompelmann, MD | Heidelberg University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Thoraxklinik Heidelberg | Recruiting | Heidelberg | 69126 | Germany |
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Blood sampling