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| Name | Class |
|---|---|
| Genentech, Inc. | INDUSTRY |
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The study compares the biochemical markers in bronchoalveolar lavage samples from asthmatic children to those markers found in non-asthmatic children with other respiratory diseases. The investigators hypothesize that certain markers will be associated specifically with asthma.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 1 Asthma subjects | Children with asthma undergoing clinically indicated bronchoscopy at National Jewish Health. | ||
| 2 Non-asthma subjects | Children with other respiratory diseases than asthma undergoing clinically indicated bronchoscopy at National Jewish Health. |
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| Measure | Description | Time Frame |
|---|---|---|
| The measurement of levels of lipopolysaccharides [LPS], which mediates airway inflammation, in bronchoalveolar lavage [BAL] fluid from children with asthma and comparison to LPS levels in children with non-asthma respiratory diseases | Single time point |
| Measure | Description | Time Frame |
|---|---|---|
| Characterization of the inflammatory cytokine and chemokine profiles in bronchoalveolar lavage [BAL] fluid in children with asthma and comparison to the profile for children with non-asthma respiratory diseases. | Single time point |
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Inclusion Criteria:
Exclusion Criteria:
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Patients undergoing bronchoscopy at National Jewish Health
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| Name | Affiliation | Role |
|---|---|---|
| Pia Hauk, MD | National Jewish Health | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Jewish Health | Denver | Colorado | 80206 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 2461667 | Background | Wenzel SE, Fowler AA 3rd, Schwartz LB. Activation of pulmonary mast cells by bronchoalveolar allergen challenge. In vivo release of histamine and tryptase in atopic subjects with and without asthma. Am Rev Respir Dis. 1988 May;137(5):1002-8. doi: 10.1164/ajrccm/137.5.1002. | |
| 2215562 | Background | Bousquet J, Chanez P, Lacoste JY, Barneon G, Ghavanian N, Enander I, Venge P, Ahlstedt S, Simony-Lafontaine J, Godard P, et al. Eosinophilic inflammation in asthma. N Engl J Med. 1990 Oct 11;323(15):1033-9. doi: 10.1056/NEJM199010113231505. |
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| ID | Term |
|---|---|
| D001249 | Asthma |
| ID | Term |
|---|---|
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
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| 10200002 | Background | Vignola AM, Chanez P, Chiappara G, Siena L, Merendino A, Reina C, Gagliardo R, Profita M, Bousquet J, Bonsignore G. Evaluation of apoptosis of eosinophils, macrophages, and T lymphocytes in mucosal biopsy specimens of patients with asthma and chronic bronchitis. J Allergy Clin Immunol. 1999 Apr;103(4):563-73. doi: 10.1016/s0091-6749(99)70225-3. |
| 16899834 | Background | Woodman L, Sutcliffe A, Kaur D, Berry M, Bradding P, Pavord ID, Brightling CE. Chemokine concentrations and mast cell chemotactic activity in BAL fluid in patients with eosinophilic bronchitis and asthma, and in normal control subjects. Chest. 2006 Aug;130(2):371-8. doi: 10.1378/chest.130.2.371. |
| 11371398 | Background | Krawiec ME, Westcott JY, Chu HW, Balzar S, Trudeau JB, Schwartz LB, Wenzel SE. Persistent wheezing in very young children is associated with lower respiratory inflammation. Am J Respir Crit Care Med. 2001 May;163(6):1338-43. doi: 10.1164/ajrccm.163.6.2005116. |
| D012130 |
| Respiratory Hypersensitivity |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |