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Cystic Fibrosis,ABPANCT00906568

Evaluation of Bronchial Inflammation in Allergic Bronchopulmonary Aspergillosis (ABPA)

An observational study of Cystic Fibrosis,, run by Johann Wolfgang Goethe University Hospital at 1 site in Germany.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Chronic bronchial inflammation is an important clinical feature in cystic fibrosis. Approximately 10% of patients with cystic fibrosis suffer from Allergic Bronchopulmonary Aspergillosis. In addition airway inflammation in patients with cystic fibrosis (CF) plays a major role in progression of CF lung disease. Read more about this study

Who is it for?
Ages 4 to 45 years
Conditions the study is for
Cystic Fibrosis,
How many people
40 participants
Where
1 siteGermany
Study dates
Apr 2009to Aug 2010
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 4 to 45 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Study population: Outpatients of Department of cystic fibrosis, Goethe University, Frankfurt, Germany

Who may be able to join

  • informed consent
  • age between 4 and 45 years
  • well-known Cystic fibrosis
  • Lung function: FEV1 (% pred.) ≥ 70%

Who cannot join

  • age < 4 and > 45 years
  • lung function: FEV1 (% pred.)< 70%
  • other chronic diseases or infections (e.g., HIV, tuberculosis, malignancy)
  • pregnancy
  • known alcohol, drug and/or drug abuse
  • inability to capture the scale and scope of the study
  • participation in another study

Trial locations and contacts

1 site in 1 country.

Germany1 site
  • Goethe-University Hospital

    Frankfurt am Main, Hesse, 60590

Other trials in Germany

About this study

Official title: Clinical Presentation and Bronchial Inflammation of Allergic Bronchopulmonary Aspergillosis (ABPA) in Patients With Cystic Fibrosis

Chronic bronchial inflammation is an important clinical feature in cystic fibrosis. Approximately 10% of patients with cystic fibrosis suffer from Allergic Bronchopulmonary Aspergillosis. In addition airway inflammation in patients with cystic fibrosis (CF) plays a major role in progression of CF lung disease. In patients with mild disease (Vital capacity >75%) airway inflammation is often under diagnosed.

Severity of allergy against Aspergillus fumigatus will be examined using radioallergosorbent test and skin Prick-test. Subsequently, in patients with established sensitization (RAST ≥ 0.35 IU/mL) a specific bronchial provocation with Aspergillus will be performed. In addition, exhaled nitric oxide,carbon monoxide, exhaled air temperature and inflammatory cells in sputum is measured. 24 hours after bronchial allergen provocation, exhaled NO, CO, air temperature, and bronchial responsiveness is determined and a second sputum obtained.

This study is designed to characterize patients with CF and sensitization against Aspergillus fumigatus in an early stage to prevent pulmonary complications of ABPA. In addition sputum cytokine profiles in CF patients with mild and moderate disease may be different in patients without and with involvement of small airway disease (SAD).

Read the detailed description

Since symptoms of Bronchopulmonary Aspergillosis are often identical to bacterial infections, the diagnosis is difficult to make. The disease presents with wheezing, pulmonary infiltrates, and bronchiectasis. The most important diagnostic parameters are asthmatic symptoms with obstruction, positive prick test, elevated total IgE, specific IgE and IgG to Aspergillus fumigatus, eosinophilia and radiological findings. Aspergillus fumigatus acts as an allergen Ig-E mediated allergy. Pathophysiological it is assumed that there are two different mechanisms of allergic inflammation. First, there is a direct effect of Aspergillus fumigatus proteases in the alveolar and bronchial epithelium with release of proinflammatory cytokines (IL-8, IL6, MCP-1) and consecutive chemotaxis of inflammatory cells. Second a CD4+ Th2 response with release of IL-4, IL-5 and IL-13. Recently published studies suggest that Aspergillus spores cause the TH2-dependent inflammation directly. So-called Chitinases (part of innate immunity) induce massive IL-13 stimulation. Induction of chitinase activity (CHIT1) leads to an increased remodeling of the lung. It is currently unclear, to which extent Aspergillus-triggered bronchial inflammation in patients with CF is relevant.

Keywords
Cystic fibrosis, Sensitization to Aspergillus, Bronchial allergen challenge, Induced Sputum, Bronchial inflammation, Small airways disease (SAD)
Medical subject headings
Cystic Fibrosis, Pulmonary Disease, Chronic Obstructive

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT00906568
Study groupRoleWhat they receive
Sensitized vs non-sensitizedCF with and without SAD defined by MEF25 <50%

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The characterization of patients with CF and sensitization to Aspergillus fumigatus, and analyzing involvement of small airway disease (SAD)

    Measured: 1 year

Secondary outcomes (1)
  1. Aspergillus-induced inflammation in sputum using new mediators (IL-8, IL-13, TLR2 and TLR4, LBP and Chitinasen) with the quantitative PCR and protein assay analysis.

    In addition planned data analyze: CF-patients will be divided according to their involvement of small airway disease (SAD) into 2 groups: Group 1 without SAD with MEF25 > 50%, Group 2 with SAD with MEF25 < 50% and cell counts and pro-inflammatory cytokines (IL-5, IL-6, IL-8, IL-13, IL-17, INF) measured by quantitative RT-PCR and protein assay will be analyzed.

    Measured: 1 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 May 2009 (estimated)
  2. Study startApr 2009
  3. Primary completionMay 2010
  4. Study completionAug 2010

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Cross-sectional
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00906568
Sponsor's protocol ID
KGU-32/09
Acronym
ABPA
Status last verified
Oct 2010
First submitted
20 May 2009
Last updated
16 Feb 2011
Results posted
No
Data monitoring committee
No

Publications

  • de Oliveira E, Giavina-Bianchi P, Fonseca LA, Franca AT, Kalil J. Allergic bronchopulmonary aspergillosis' diagnosis remains a challenge. Respir Med. 2007 Nov;101(11):2352-7. doi: 10.1016/j.rmed.2007.06.018. Epub 2007 Aug 3.

    PubMed 17689062
  • Knutsen AP, Bellone C, Kauffman H. Immunopathogenesis of allergic bronchopulmonary aspergillosis in cystic fibrosis. J Cyst Fibros. 2002 Jun;1(2):76-89. doi: 10.1016/s1569-1993(02)00033-4.

    PubMed 15463812
  • Stevens DA, Moss RB, Kurup VP, Knutsen AP, Greenberger P, Judson MA, Denning DW, Crameri R, Brody AS, Light M, Skov M, Maish W, Mastella G; Participants in the Cystic Fibrosis Foundation Consensus Conference. Allergic bronchopulmonary aspergillosis in cystic fibrosis--state of the art: Cystic Fibrosis Foundation Consensus Conference. Clin Infect Dis. 2003 Oct 1;37 Suppl 3:S225-64. doi: 10.1086/376525.

    PubMed 12975753
  • Almeida MB, Bussamra MH, Rodrigues JC. ABPA diagnosis in cystic fibrosis patients: the clinical utility of IgE specific to recombinant Aspergillus fumigatus allergens. J Pediatr (Rio J). 2006 May-Jun;82(3):215-20. doi: 10.2223/JPED.1479. Epub 2006 May 26.

    PubMed 16738737
  • Skov M, Pressler T, Jensen HE, Hoiby N, Koch C. Specific IgG subclass antibody pattern to Aspergillus fumigatus in patients with cystic fibrosis with allergic bronchopulmonary aspergillosis (ABPA). Thorax. 1999 Jan;54(1):44-50. doi: 10.1136/thx.54.1.44.

    PubMed 10343631
  • D'Amato G. Role of anti-IgE monoclonal antibody (omalizumab) in the treatment of bronchial asthma and allergic respiratory diseases. Eur J Pharmacol. 2006 Mar 8;533(1-3):302-7. doi: 10.1016/j.ejphar.2005.12.045. Epub 2006 Feb 7.

    PubMed 16464445
  • Kauffman HF. Immunopathogenesis of allergic bronchopulmonary aspergillosis and airway remodeling. Front Biosci. 2003 Jan 1;8:e190-6. doi: 10.2741/990.

    PubMed 12456379
  • Mall MA, Harkema JR, Trojanek JB, Treis D, Livraghi A, Schubert S, Zhou Z, Kreda SM, Tilley SL, Hudson EJ, O'Neal WK, Boucher RC. Development of chronic bronchitis and emphysema in beta-epithelial Na+ channel-overexpressing mice. Am J Respir Crit Care Med. 2008 Apr 1;177(7):730-42. doi: 10.1164/rccm.200708-1233OC. Epub 2007 Dec 13.

    PubMed 18079494
  • Reese TA, Liang HE, Tager AM, Luster AD, Van Rooijen N, Voehringer D, Locksley RM. Chitin induces accumulation in tissue of innate immune cells associated with allergy. Nature. 2007 May 3;447(7140):92-6. doi: 10.1038/nature05746. Epub 2007 Apr 22.

    PubMed 17450126
  • Seibold MA, Donnelly S, Solon M, Innes A, Woodruff PG, Boot RG, Burchard EG, Fahy JV. Chitotriosidase is the primary active chitinase in the human lung and is modulated by genotype and smoking habit. J Allergy Clin Immunol. 2008 Nov;122(5):944-950.e3. doi: 10.1016/j.jaci.2008.08.023. Epub 2008 Oct 9.

    PubMed 18845328
  • Zhu Z, Zheng T, Homer RJ, Kim YK, Chen NY, Cohn L, Hamid Q, Elias JA. Acidic mammalian chitinase in asthmatic Th2 inflammation and IL-13 pathway activation. Science. 2004 Jun 11;304(5677):1678-82. doi: 10.1126/science.1095336.

    PubMed 15192232

Questions about this trial

What is this clinical trial studying?

An observational study of Cystic Fibrosis,, run by Johann Wolfgang Goethe University Hospital at 1 site in Germany.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 16 Feb 2011. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The characterization of patients with CF and sensitization to Aspergillus fumigatus, and analyzing involvement of small airway disease (SAD) (time frame: 1 year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00906568, which also lists 11 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Feb 2011.

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