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Lung cancer is one of the most prevalent cancers and has a very high mortality. Both treatment and prognosis depend on the staging. Surgical staging of the mediastinum mainly by means of a cervical mediastinoscopy is the gold standard. Mediastinal staging is however a field that undergoes a fast technological development. Transesophageal ultrasound guided fine-needled aspiration (EUS-FNA) and an endobronchial ultrasound guided transbronchial fine-needled aspiration (EBUS-TBNA) are two complementary endoscopic ultrasound techniques which together allow cytological analysis of all mediastinal lymph nodes. This means that the combination of both techniques enables a complete (bilateral) mediastinal investigation (N2 and N3, except para-aortal station 6).
Hypothesis: complete endoscopic ultrasound staging identifies more patients with locally advanced disease compared to surgical staging (current standard of care).
Study design: A randomized controlled multi-center double arm diagnostic phase III trial, in which patients are randomly assigned to either surgical staging (arm B) or endoscopic ultrasound staging with both EUS-FNA and EBUS-TBNA (arm A).
Arm A: Examination by EUS-FNA and EBUS-TBNA. These techniques are performed in an outpatient one session setting under conscious sedation and take together about 30 to 60 minutes. If no metastasis are shown, the patient undergoes a surgical staging procedure (for confirmation). For reasons of convenience and patient-comfort, the EUS-FNA investigation is performed before the EBUS-TBNA.
Arm B: Surgical staging with either cervical mediastinoscopy, parasternal mediastinoscopy, thorascopic mediastinal exploration or exploratory thoracotomy, performed according to institutional practice.
Patients in whom no lymph node metastasis are found proceed to thoracotomy with systematic lymph node sampling to obtain an accurate intraoperative mediastinal staging.
Primary outcome: The assessment of N2-N3 lymph node metastases.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic
Carcinoma, Non-Small-Cell Lung
Endoscopic ultrasound staging, Surgical staging
University Hospital Ghent
Active, not recruiting
University Hospital, Ghent
Published on BioPortfolio: 2014-08-27T03:40:16-0400
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