FOB in HSCT and Leukemia Patients With Acute Respiratory Symptoms and Pulmonary Infiltrates
A Prospective Assessment of the Diagnostic Utility of Emerging Laboratory Assessments Used in Conjunction With FOB in HSCT and Leukemia Patients With Acute Respiratory Symptoms and Pulmonary Infiltrates
Pulmonary infiltrates frequently complicate the care of hematopoietic stem cell transplant (HSCT) and leukemia patients. Bronchoalveolar lavage (BAL) is frequently used to evaluate new pulmonary infiltrates in this population, however utility is limited by a historically low diagnostic yield for infection.
In an effort to improve diagnostic yields, this study will complete a Fiberoptic Bronchoscopy (FOB) within 8 hours of radiographic documentation of pulmonary infiltrates, prior to initiating new antibiotic therapy. To further improve detection of microbiological pathogens, the study will utilize PCR testing with rapid turnaround time to detect atypical pneumonia (M pneumoniae, C. Pneumonia, Legionella species, and respiratory viruses) and aspergillosis.
調査の概要
詳細な説明
研究の種類
入学 (実際)
段階
- 適用できない
連絡先と場所
研究場所
-
-
Georgia
-
Atlanta、Georgia、アメリカ、30342
- Northside Hospital
-
-
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
説明
Inclusion Criteria:
- Autologous or allogeneic stem cell patients with new acute respiratory symptoms or pulmonary infiltrates
- leukemia patients with new acute respiratory symptoms or pulmonary infiltrates thought to be unrelated to disease
Exclusion Criteria:
- Patients unwilling to undergo FOB
- Patients unable to undergo FOB due to clinical status
- Patients unable to undergo FOB within 8 hours of radiographic report of pneumonia
- Patients unable to wait until completion of FOB to implement antibiotic changes
- Adults unable to provide informed consent
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
- 主な目的:処理
- 割り当て:なし
- 介入モデル:単一グループの割り当て
- マスキング:なし(オープンラベル)
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
実験的:Laboratory testing
All patients will receive the lab testing on bronchoscopy specimens
|
Bronchoalveolar lavage (BAL) with subsequent testing for pathogens
|
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 |
|---|---|---|
|
Number of Patients With Positive Culture or Molecular Results After Brochoscopy
時間枠:30 days
|
To determine the diagnostic yield related to fiberoptic bronchoscopy (FOB) with bronchoalveolar lavage (BAL) in hematopoietic stem cell transplant (HSCT) and leukemia patients with acute respiratory symptoms and pulmonary infiltrates utilizing both current standard of care microbiology testing and emerging molecular genetic laboratory assessments.
|
30 days
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Number of Patients With Positive CT Result
時間枠:30 days
|
To correlate specific types of pulmonary infiltrates (focal, multifocal, or diffuse interstitial or alveolar infiltrates) with microbiological findings. Patients were evaluated by changes on the CT and categorized as follows:
|
30 days
|
|
Number of Participants With Positive Bacterial Results by PCR
時間枠:24-48 hours
|
To describe the microbiological findings in HSCT and leukemia patients with fever, respiratory symptoms, and pulmonary infiltrates
|
24-48 hours
|
|
Number of Patients With Positive Fungal Results by PCR
時間枠:24-48 hours
|
To describe the microbiological findings in HSCT and leukemia patients with fever, respiratory symptoms, and pulmonary infiltrates
|
24-48 hours
|
|
Number of Participants With Positive Viral Results by PCR
時間枠:24-48 hours
|
To describe the microbiological findings in HSCT and leukemia patients with fever, respiratory symptoms, and pulmonary infiltrates
|
24-48 hours
|
|
Number of Participants With Positive Myocbacteria Results by Culture
時間枠:24-48 hours
|
To describe the microbiological findings in HSCT and leukemia patients with fever, respiratory symptoms, and pulmonary infiltrates
|
24-48 hours
|
協力者と研究者
スポンサー
捜査官
- 主任研究者:H. Kent Holland, MD、Blood and Marrow Transplant Group of Georgia
出版物と役立つリンク
一般刊行物
- Mandell LA, Wunderink RG, Anzueto A, Bartlett JG, Campbell GD, Dean NC, Dowell SF, File TM Jr, Musher DM, Niederman MS, Torres A, Whitney CG; Infectious Diseases Society of America; American Thoracic Society. Infectious Diseases Society of America/American Thoracic Society consensus guidelines on the management of community-acquired pneumonia in adults. Clin Infect Dis. 2007 Mar 1;44 Suppl 2(Suppl 2):S27-72. doi: 10.1086/511159. No abstract available.
- Shannon VR, Andersson BS, Lei X, Champlin RE, Kontoyiannis DP. Utility of early versus late fiberoptic bronchoscopy in the evaluation of new pulmonary infiltrates following hematopoietic stem cell transplantation. Bone Marrow Transplant. 2010 Apr;45(4):647-55. doi: 10.1038/bmt.2009.203. Epub 2009 Aug 17.
- Hardak E, Yigla M, Avivi I, Fruchter O, Sprecher H, Oren I. Impact of PCR-based diagnosis of invasive pulmonary aspergillosis on clinical outcome. Bone Marrow Transplant. 2009 Nov;44(9):595-9. doi: 10.1038/bmt.2009.65. Epub 2009 Mar 23.
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 (実際)
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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