Title: Radical Treatment of Non-Small-Cell Lung Cancer Patients with Synchronous Oligometastases Long-Term Results of a Prospective Phase II Trial (Nct01282450)
Authors: De Ruysscher, Dirk ×
Wanders, Rinus
van Baardwijk, Angela
Dingemans, Anne-Marie C
Reymen, Bart
Houben, Ruud
Bootsma, Gerben
Pitz, Cordula
van Eijsden, Linda
Geraedts, Wiel
Baumert, Brigitta G
Lambin, Philippe #
Issue Date: Oct-2012
Publisher: Lippincott Williams & Wilkins
Series Title: Journal of Thoracic Oncology vol:7 issue:10 pages:1547-1555
Abstract: BACKGROUND:: Stage IV non-small-cell lung cancer (NSCLC) patients with oligometastases (< 5 metastatic lesions) may experience long-term survival when all macroscopic tumor sites are treated radically, but no prospective data on NSCLCs with synchronous oligometastases are available. METHODS:: A prospective single-arm phase II trial was conducted. The main inclusion criteria were pathologically proven NSCLC stage IV with less than five metastases at primary diagnosis, amendable for radical local treatment (surgery or radiotherapy). The study is listed in, number NCT01282450. RESULTS:: Forty patients were enrolled, 39 of whom were evaluable (18 men, 21 women); mean age was 62.1 ± 9.2 years (range, 44-81). Twenty-nine (74%) had local stage III; 17 (44%) brain, seven (18%) bone, and four (10%) adrenal gland metastases. Thirty-five (87%) had a single metastatic lesion. Thirty-seven (95%) of the patients received chemotherapy as part of their primary treatment. Median overall survival (OS) was 13.5 months (95% confidence interval 7.6-19.4); 1-, 2-, and 3-year OS was 56.4%, 23.3%, and 17.5%, respectively. Median progression-free survival (PFS) was 12.1 months (95% confidence interval 9.6-14.3); 1-year PFS was 51.3%, and both 2- and 3-year PFS was 13.6%. Only two patients (5%) had a local recurrence. No patient or tumor parameter, including volume and F-deoxyglucose uptake was significantly correlated with OS or PFS. The treatment was well tolerated. CONCLUSION:: In this phase II study, long-term PFS was found in a subgroup of NSCLC patients with synchronous oligometastases when treated radically. Identification of this favorable subgroup before therapy is needed.
ISSN: 1556-0864
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Experimental Radiotherapy
× corresponding author
# (joint) last author

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