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M. Kwak
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MINI 30 - New Kinase Targets (ID 157)
- Event: WCLC 2015
- Type: Mini Oral
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:K. Park, M. Villalona
- Coordinates: 9/09/2015, 18:30 - 20:00, Four Seasons Ballroom F3+F4
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MINI30.11 - Efficacy and Safety of Dovitinib in Advanced Squamous Cell Lung Cancer with FGFR1 Amplification: A Single-Arm, Phase II Study (ID 666)
19:30 - 19:35 | Author(s): M. Kwak
- Abstract
- Presentation
Background:
FGFR1 amplification is one of the most common potential driving oncogenes in squamous cell carcinoma (SCC), which accounts for 20% of non-small cell lung cancer (NSCLC) squamous cell carcinoma. This phase II study evaluated the efficacy and toxicity profile of dovitinib, an orally active FGFR (fibroblast growth factor receptor) inhibitor, in advanced SCC patients.
Methods:
Patients with histological confirmed advanced squamous cell NSCLC and previously treated with at least one cytotoxic chemotherapy were enrolled from April 2013 to December 2014. All patients had FGFR1 gene amplification more than 5 copies by fluorescent in situ hybridization (FISH). Each 7-day treatment cycle consisted of dovitinib 500mg orally administration on days 1 to 5 and 2 days off. Primary endpoint was overall response rate and secondary endpoints included PFS, OS and toxicity.
Results:
All 26 patients were male with the median age of 68 years (range, 52 – 80). Most patients were ever smokers (96%) and had good ECOG (0-1) performance status (85%). The median number of dovitinib treatment cycles administered was 2.5 (range, 1-12). The overall response rate (ORR) was 11.5% (95% CI, 0.8 – 23.8) and disease control rate (DCR) was 50% (95% CI, 30.8 – 69.2). There were three partial responses (PR) and ten stable diseases (SD). Duration of response in 3 patients who achieved PR was 4.5+, 5.1+ and 6.1months. After the median follow-up duration of 15.7 months (range, 5.8 – 25.6 ), the median overall survival (OS) was 5.0 months (95% Confidential Interval, 3.61 – 6.39) and progression-free survival (PFS) was 2.9 months (95% CI, 1.54 – 4.26). Grade 1/2 fatigue (69%) and anorexia (85%) were most commonly reported adverse events and 12 patients (46%) required dose reduction of dovitinib.
Conclusion:
Dovitinib treatment a showed modest efficacy in advanced squamous cell lung cancer patients with FGFR1 amplification. Further studies to evaluate other biomarkers correlated with the efficacy of dovitinib in SCC should be warranted.
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ORAL 11 - Clinical Trials 1 (ID 100)
- Event: WCLC 2015
- Type: Oral Session
- Track: Thymoma, Mesothelioma and Other Thoracic Malignancies
- Presentations: 1
- Moderators:A.K. Nowak, F. Detterbeck
- Coordinates: 9/07/2015, 10:45 - 12:15, 702+704+706
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ORAL11.06 - A Prospective Phase II Study of Cisplatin and Cremorphor EL-Free Paclitaxel (Genexol-PM) in Patients with Unresectable Thymic Epithelial Tumors: Can 18F-FDG PET/CT Play a Role? (ID 2221)
11:39 - 11:50 | Author(s): M. Kwak
- Abstract
- Presentation
Background:
We conducted a prospective phase II study of cisplatin plus Cremorphor EL-free paclitaxel (Genexol-PM) in patients with unresectable thymic epithelial tumors (TETs) in order to determine the efficacy and tolerability of the combination.
Methods:
Patients were treated with cisplatin (70 mg/m[2]) and Genexol-PM (230 mg/m[2]) every three weeks for a maximum of six cycles. The primary end point of this study was objective response rate (ORR), and secondary end points included toxicity, progression-free survival (PFS), overall survival (OS), correlation between early [18]F-FDG PET/CT response and PFS, and correlation between baseline FDG uptake and histology.
Results:
Forty-two patients with unresectable thymoma (n=14) or thymic carcinoma (n=28) were enrolled. The median age was 59 years (range, 25-77) and 30 (71%) patients were male, and 39 (93%) had an ECOG PS of 1. The median number of treatment cycles was six (range 1-6). For 40 assessable patients, the ORR was 62.5% (95% confidence interval [CI] 47.6-77.4) with rates of 46% (95% CI 23.3-76.9) for advanced thymoma (n=13) and 70% (95% CI 52.0-82.1) for thymic carcinoma (n=27). With a median follow-up of 15.5 months, the median PFS was 9.8 months (11.4 months for thymoma vs. 8.1 months for thymic carcinoma, with median follow-ups of 16.1 vs. 15.5 months, respectively). The two-year OS was 77.9% for thymoma and 65.9% for thymic carcinoma. There were no treatment-related deaths. The most common grade 3 and 4 treatment-related adverse event was neutropenia in 11 patients (26%). Sixteen (38%) patients experienced grade 2 hypersensitivity reactions. There was no correlation between early PET response and PFS, but tumor histology (thymoma vs. thymic carcinoma) was correlated with SUV~max~ before chemotherapy.
Conclusion:
These data suggest that the combination of cisplatin and Genexol-PM is highly effective and tolerable for the treatment of unresectable TETs, especially in patients with thymic carcinoma.
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