LCI and Bronchial Inflammation in Patients With BO (FRABO-02)
Lung Clearance Index (LCI) and Bronchial Inflammation in Patients With Bronchiolitis Obliterans (BO)
調査の概要
詳細な説明
The purpose of this study is to compare lung function values with the Lung clearance index of 20 Patients with Bronchiolitis obliterans aged between 6 up to 28 years. Further we aim to compare the bronchial Inflammation between the patients and a reference group with similar age conditions to determine possible outcome-parameters for following interventional studies.
The sputum samples will be processed and quantitatively analyzed to get a profile of the cytological composition.
(Sputum and serum samples are analyzed by quantitative real-time polymerase chain reaction (PCR) (qRT-PCR) and by cytometric bead assay (CBA).)
Methods and Work Programme:
- Measurement of nitric oxide in expired air (FeNO)
- Lung function testing with spirometry and body plethysmography
- Lung clearance index (LCI)
- Bronchodilation
- Blood test: blood count, CRP, RAST, serum inflammatory mediators, (genetic markers of the non-specific pulmonary defense system)
- Induced sputum for inflammatory mediators and microbiological investigations
研究の種類
入学 (実際)
連絡先と場所
研究場所
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Hessen
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Frankfurt am Main、Hessen、ドイツ、60590
- Children's Hospital, Goethe-University
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-
参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- informed consent
- between 6 and 28 years of age
Known Bronchiolitis obliterans
- no Bronchiolitis obliterans(depending on the study group)
- Ability to perform lung function tests and inhalation
Exclusion Criteria:
- Acute illness with systemic or bronchial inflammation
- every chronic condition or infection (eg HIV, tuberculosis, malignancy)
- pregnancy
- known alcohol and/ or drug abuse
- Inability to understand the extent and scope of the study
- Participation in another study
研究計画
研究はどのように設計されていますか?
デザインの詳細
コホートと介入
グループ/コホート |
介入・治療 |
|---|---|
|
主題グループ
医師が閉塞性細気管支炎と診断した患者
|
|
|
対照群
被験者グループに合わせた年齢と性別
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この研究は何を測定していますか?
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
LCI compared to RV/TLC%-pred.
時間枠:during Visit 1 (single day, single observation)
|
Correlation of these lung function Parameters in patients with BO compared to healthy controls
|
during Visit 1 (single day, single observation)
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
change of sputum cell count over time (percentage of neutrophils)
時間枠:during Visit 1 (single day, single observation)
|
induced sputum will be analyzed for different cellular components such as alveolar macrophages, neutrophils, lymphocytes and others.
Epithelial cells will be excluded
|
during Visit 1 (single day, single observation)
|
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Comparison of low CrP
時間枠:during Visit 1 (single day, single observation)
|
serum parameter for systemic inflammation
|
during Visit 1 (single day, single observation)
|
|
FVC (%-pred.)
時間枠:during Visit 1 (single day, single observation)
|
To compare FVC (%-pred.)of
patients suffering from BO with FVC (%-pred.)of a healthy control group
|
during Visit 1 (single day, single observation)
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FEV1 (%-pred.)
時間枠:during Visit 1 (single day, single observation)
|
To compare FEV1 (%-pred.)of
patients suffering from BO withFEV1 (%-pred.)of a healthy control group
|
during Visit 1 (single day, single observation)
|
|
Tiffeneau-Index
時間枠:during Visit 1 (single day, single observation)
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To compare Tiffeneau-Index of patients suffering from BO with Tiffeneau-Index of a healthy control group
|
during Visit 1 (single day, single observation)
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sRtot (%-pred.)
時間枠:during Visit 1 (single day, single observation)
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To compare sRtot (%-pred.) of patients suffering from BO with sRtot (%-pred.) of a healthy control group
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during Visit 1 (single day, single observation)
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RV/TLC (%-pred.)
時間枠:during Visit 1 (single day, single observation)
|
To compare RV/TLC (%-pred.) of patients suffering from BO with RV/TLC (%-pred.) of a healthy control group
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during Visit 1 (single day, single observation)
|
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IL-6 (pg/ml)
時間枠:during Visit 1 (single day, single observation)
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comparing IL-6 in Serum of patients with BO with healthy controls
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during Visit 1 (single day, single observation)
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IL-8 (pg/ml)
時間枠:during Visit 1 (single day, single observation)1
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comparing IL-8 in Serum of patients with BO with healthy controls
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during Visit 1 (single day, single observation)1
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IL-17 (pg/ml)
時間枠:during Visit 1 (single day, single observation)
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comparing IL-17 in Serum of patients with BO with healthy controls
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during Visit 1 (single day, single observation)
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IL-6 (mRNA delta-delta-ct)
時間枠:during Visit 1 (single day, single observation)
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compare IL-6 mRNA in Sputum cells of patients with BO with healthy controls
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during Visit 1 (single day, single observation)
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IL-8 (mRNA delta-delta-ct)
時間枠:during Visit 1
|
compare IL-8 mRNA in Sputum cells of patients with BO with healthy controls
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during Visit 1
|
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IL-17 (mRNA delta-delta-ct)
時間枠:during Visit 1 (single day, single observation)
|
compare IL-17 mRNA in Sputum cells of patients with BO with healthy controls
|
during Visit 1 (single day, single observation)
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Percentage of FOXP3 positive cells in Sputum
時間枠:during Visit 1 (single day, single observation)
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compare percentage of FOXP3 positive cells in Sputum cells of patients with BO with healthy controls
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during Visit 1 (single day, single observation)
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協力者と研究者
捜査官
- 主任研究者:Martin Rosewich, MD、Johann Wolfgang Goethe University Hospital
出版物と役立つリンク
便利なリンク
- Kurland G, Michelson P. Bronchiolitis obliterans in children. Pediatr Pulmonol. 2005 Mar;39(3):193-208. Review
- Smith KJ, Fan LL. Insights into post-infectious bronchiolitis obliterans in children. Thorax. 2006 Jun;61(6):462-3.
- Pichler M, Herrmann G, Schmidt H, Ahrens P, Zielen S. Persistent adenoviral infection and chronic obstructive bronchitis in children: is there a link? Pediatr Pulmonol. 2001 Nov;32(5):367-71.
- Pichler MN, Reichenbach J, Schmidt H, Herrmann G, Zielen S. Severe adenovirus bronchiolitis in children. Acta Paediatr. 2000 Nov;89(11):1387-9.
研究記録日
主要日程の研究
研究開始
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
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