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JCSE 01 - Joint IASLC/CSCO/CAALC Session: Immunotherapy for Management of Lung Cancer: Ongoing Research from East and West (ID 630)
- Event: WCLC 2017
- Type: Joint Session IASLC/CSCO/CAALC
- Track: Immunology and Immunotherapy
- Presentations: 1
- Moderators:C. Bai, Fred R. Hirsch, Tony SK Mok, Yi-Long Wu
- Coordinates: 10/15/2017, 07:30 - 11:30, F203 (Annex Hall)
JCSE 01.20 - Primary Tumor Resection versus Maintenance Therapy for Patients with Oligometastatic Non-Small Cell Lung Cancer (ID 10916)
07:30 - 11:30 | Author(s): H. Zhou
To evaluate (1) the potential effect of primary tumor resection, an aggressive local consolidative therapy, for patients with oligometastatic NSCLC on 3 year overall survival; (2) the surgical outcomes in the treatment of patients with oligometastatic NSCLC; (3) the potential clinical factors predicting survival in order to better select patients for surgery.
According to the extent of pulmonary resection, the patients were divided into two subgroups. A. intent to cure (ITC: removal of total or primary pulmonary lesions); B. intent to biopsy (ITB: preservation of major lesions, only diagnostic biopsy via minimally invasive approach). M stage classified based on 8th UICC/AJCC TNM M categories.
From Jan 2002 through Dec 2015, a total of 115 consecutive metastatic NSCLC patients were enrolled from Peking University Cancer Hospital. The 3-year overall survival (OS) of ITC and ITB were 64.3% and 34.9% (log-rank p = 0.0009), respectively. Multivariate cox proportional regression analysis identified multiple station lymph nodes (LN) and bone involvement may be prognostic indicators. Figure 1Figure 2
The current findings suggest that aggressive surgical therapy can extend the survival in selected stage IV NSCLC patients, and should be further explored in phase 3 trials as a standard treatment option in this clinical scenario.