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A. Kam
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P1.01 - Poster Session/ Treatment of Advanced Diseases – NSCLC (ID 206)
- Event: WCLC 2015
- Type: Poster
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 9/07/2015, 09:30 - 17:00, Exhibit Hall (Hall B+C)
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P1.01-052 - Retreatment with Platinum-Based Regimen for Patients with Metastatic NSCLC Is a Reasonable Therapy (ID 2444)
09:30 - 09:30 | Author(s): A. Kam
- Abstract
Background:
Standard first-line therapy in stage IV NSCLC patients remains a platinum-based regimen. Currently, there are limited FDA approved agents for second line therapy following progressive disease. The purpose of this study was to evaluate the response to retreatment with platinum-based regimens upon progression in a group of platinum-sensitive patients.
Methods:
Patients with stage IV NSCLC previously treated with a platinum-based first-line regimen were retrospectively reviewed. We examined the outcomes of 52 patients retreated with a platinum-based regimen upon progression between February 2002 and March 2015. Patients were evaluated for response rate, progression free survival, overall survival and platinum reactions.
Results:
Of the 52 patients reviewed, 31 were women (59.6%) and 21 were men (40.4%). Median age was 62.6 (range 42-89) and adenocarcinoma was the most prevalent histology (86.5%). The response rate for retreatment was 21.15%. A notable 57.69% of patients had stable disease. The median PFS for the first line platinum regimen was 9.2 months (CI 95%; 6.28-12.13) and for the retreatment was 4.8 months (CI 95%; 3.17-6.42). The median OS from diagnosis was 23.31 months (CI 95%; 11.76-34.85). A platinum reaction was noted in 9 of the patients (17.3%) though none were fatal.
Conclusion:
Patients with prolonged PFS with frontline chemotherapy appear to benefit from retreatment with a platinum-based regimen. This cohort demonstrated by a PFS of 4.8 months upon retreatment. Patients with prolonged progression free survivals with frontline chemotherapy may be reasonable candidates to consider for retreatment with a platinum-based regimen.
