Evaluating the Pulmonary Nodule With Imaging and Biomarkers

The recruitment status of this study is unknown because the information has not been verified recently.
Verified July 2012 by National University Hospital, Singapore.
Recruitment status was  Recruiting
Information provided by (Responsible Party):
National University Hospital, Singapore
ClinicalTrials.gov Identifier:
First received: August 6, 2012
Last updated: November 28, 2012
Last verified: July 2012
The study aims to determine if there are defining EBUS and confocal endoscopy features as well as exhaled alveolar gas VOC that can discriminate malignant pulmonary nodules or masses from benign etiology, thereby obviating unnecessary thoracotomy. Directly sampled alveolar gas VOC from patients with lung cancer will be compared against exhaled breath VOC for signature compounds that may complement CT in screening the population at risk.

Condition Intervention
Lung Cancer
Device: Olympus Ultrathin Bronchofibervideoscope (XP260F)

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Diagnostic
Official Title: Evaluating the Pulmonary Nodule With Imaging and Biomarkers

Resource links provided by NLM:

Further study details as provided by National University Hospital, Singapore:

Primary Outcome Measures:
  • Correlating pathology between EBUS, confocal microendoscopy and VOC patterns to aid in characterising malignant and benign etiology. [ Designated as safety issue: No ]

Estimated Enrollment: 60
Study Start Date: April 2011
Estimated Study Completion Date: March 2013
Estimated Primary Completion Date: March 2013 (Final data collection date for primary outcome measure)
Intervention Details:
    Device: Olympus Ultrathin Bronchofibervideoscope (XP260F)
    The bronchovideoscope will be used together with an assisted image-guided bronchoscopic navigation software system called LungPoint®, to view lungs in a real time 3D manner.
    Other Name: Olympus Lucera Broncho Fibervideoscope (BF-XP260F)
Detailed Description:


  1. To improve diagnostic yield of pulmonary nodule or mass by using combined approach of navigation bronchoscopy and EBUS.
  2. To determine if characteristic features of EBUS and confocal microendoscopy exist as well as VOC patterns in alveolar and exhaled gas that can aid in discriminating malignant pulmonary nodule or mass from benign etiology by correlating with pathology.
  3. To identify VOC patterns specific for lung cancer by correlating VOC from directly sampled alveolar gas and exhaled breath with pathology. Exhaled breath VOC signature may complement CT in screening population at risk.

Ages Eligible for Study:   21 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • All patients aged above 21 years, capable of giving consent and suspected of lung cancer with radiological lung nodules and masses.

Exclusion Criteria:

  • Patients with contra-indications to bronchoscopy and CT-TTNA that include active myocardial ischemia, uncorrected coagulopathy, severe respiratory distress, uncontrollable cough, and pregnancy will be excluded. Before females in the reproductive age are recruited, urine pregnancy test will be performed and confirmed negative.
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Please refer to this study by its ClinicalTrials.gov identifier: NCT01739881

Contact: Pyng Lee, MD +65-67795555 mdclp@nus.edu.sg

National University Hospital/ National University of Singapore Recruiting
Singapore, Singapore, 119228
Contact: Pyng Lee, MD    +65-67795555    mdclp@nus.edu.sg   
Sponsors and Collaborators
National University Hospital, Singapore
Principal Investigator: Pyng Lee, MD National University Hospital, Singapore
  More Information


Responsible Party: National University Hospital, Singapore
ClinicalTrials.gov Identifier: NCT01739881     History of Changes
Other Study ID Numbers: DSRB/2011/00380 
Study First Received: August 6, 2012
Last Updated: November 28, 2012
Health Authority: Singapore: Domain Specific Review Boards

Keywords provided by National University Hospital, Singapore:
Exhaled breath condensate (EBC) method
Volatile Organic Compounds (VOCs)
Endobronchial Ultrasound (EBUS)
Confocal Endoscopy
Exhaled alveolar gas

Additional relevant MeSH terms:
Multiple Pulmonary Nodules
Lung Diseases
Lung Neoplasms
Neoplasms by Site
Respiratory Tract Diseases
Respiratory Tract Neoplasms
Thoracic Neoplasms

ClinicalTrials.gov processed this record on May 25, 2016