Journal
JOURNAL OF THORACIC ONCOLOGY
Volume 4, Issue 4, Pages 518-521Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/JTO.0b013e31819c7bc9
Keywords
Chemotherapy; Non-small cell lung cancer; Postoperative recurrence; Stage IV disease
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Background: Whether chemotherapy would be equally effective in non-small cell lung cancer patients with stage IV disease (group A) and postoperative recurrence (group B) remains unclear. Patients and Methods: In a total of 642 non-small cell lung cancer patients with distant metastases treated by chemotherapy, the baseline patient characteristics, responses to chemotherapy and survival were compared between group A (n = 480) and group B (n = 162). Results: Adenocarcinoma was the predominant histologic type, accounting for 78% of the patients in group A and 90% of the patients in group B (p < 0.001). Bone and brain metastases were more common in group A (p = 0.034 and p = 0.014, respectively), although pulmonary metastases were more common in group B (p < 0.001). The chemotherapy regimens used for the treatment did not differ between groups A and B. The response rates in group A and group B were 32 and 33%, respectively (p = 0.65). In contrast, the median progression-free survival (5.5 versus 4.2 months, p = 0.0065) and overall Survival (21.3 versus 13.3 months, p < 0.001) were better in group B than in group A. Conclusion: Survival was superior in patients with postoperative recurrence than in those with stage IV disease, although the two groups showed comparable responses to chemotherapy.
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