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I. Monnet
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MINI 17 - WT EGFR, Angiogenesis and OMD (ID 131)
- Event: WCLC 2015
- Type: Mini Oral
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:R. Feld, R. Dziadziuszko
- Coordinates: 9/08/2015, 16:45 - 18:15, Mile High Ballroom 4a-4f
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MINI17.04 - Erlotinib in 2nd Line in Advanced Squamous NSCLC: Final Results of the Pepita Cohort (ID 822)
17:05 - 17:10 | Author(s): I. Monnet
- Abstract
Background:
Erlotinib in 2[nd] line improves survival in patients with recurrent/progressive NSCLC, is also active in squamous cell NSCLC, as reported in a BR.21 study subgroup. So far, no prospective non interventional study has specifically evaluated patients with this histological subtype treated with erlotinib. We present the final results of PEPITA cohort.
Methods:
PEPITA is a French multicenter, prospective cohort study assessing erlotinib modalities of use in daily practice in squamous NSCLC. The primary endpoint was progression-free survival (PFS); secondary endpoints included patients’ characteristics, overall survival (OS), safety and quality of life. EGFR mutation was tested in 41 patients (28.5%) reason why exploratory analyses assessing EGFR genotyping and smoking status were also performed.
Results:
Between June 2012 - May 2013, 152 patients were included and 146 patients were analyzed for efficacy; median follow-up was 5.31 months (0.03-17.65).
* 2 patients without EGFR mutation status Efficacy and genotyping results were:Patients characteristics at baseline Efficacy population (n=146) EGFR tested (n=41) EGFR not tested* (n=103) p-value Mean age (±SD), years Men 67.7 (±8.6) 90.4% 67.4 (±8.9) 87.8% 67.8 (±8.6) 92.2% 0.79 0.52 ECOG PS 0/1 ECOG PS 2/3 17.5% / 43.8% 33.6% / 5.1% n=39 20.5% / 56.4% 23.1% / 0 n=96 16.7% / 38.5% 38.5% / 6.3% 0.09 Current smoker Former smoker Never smoker 28.8% 63.7% 7.5% 24.4% 63.4% 12.2% 31.1% 63.1% 5.8% 0.39 Comorbitities : Cardiovascular Endocrinological Pulmonary 63.0% 23.3% 19.9% 65.9% 22.0% 19.5% 62.1% 23.3% 20.4% 0.68 0.86 0.91
*[95% CI] In the safety population (n=152 patients), 158 adverse events (AEs) were reported in 70 patients (46.1%), including 48 grade ≥ 3 AEs in 31 patients (20.4%). The most frequent AEs related to erlotinib were skin rash (all grades [23,7%], grade ≥ 3 [5,2%]) and diarrhea (all grades [11,8%], grade ≥ 3 [2.0%]); 19 serious adverse events (SAEs) were reported in 12 patients (7.9%), including 16 grade ≥ 3 SAEs in 10 patients (6.6%). There were 6 SAEs leading to death (3.9% patients), but none SAE was related to erlotinib.EGFR mutation not tested n=103 EGFR mutation tested n=41 Non-smoker n=11 Smoker/Ex-smoker n=135 Efficacy population n=146 PFS Event (progression or death) 95 (92.2%) 34 (82.9%) 8 (72.7%) 123 (91.1%) 131 (89.7%) Median (months) 2.8 [2.3;3.2]* 4.4 [2.9;5.8]* 3.3 [0.7;ND]* 3.0 [2.7;3.5]* 3.0 [2.7;3.5]* Survival rates at 12 months 7.0% [3.1;13.1]* 10.7% [3.1;23.6]* 27.3% [6.5;53.9]* 6.3% [2.9;11.6]* 8.0% [4.2;13.4]* OS Event (progression or death) 79 (76.7%) 22 (53.7%) 6 (54.5%) 96 (71.1%) 102 (69.9%) Median (months) 5.5 [4.0;6.4]* 9.1 [4.4;ND]* 8.0 [1.6;ND]* 5.8 [4.5;7.1]* 5.8 [4.7;7.1]* Survival rates at 12 months 22.4% [14.5;31.3]* 37.1% [20.9;53.5]* 43.6% [14.7;69.9]* 24.8% [17.2;33.0]* 26.3% [18.9;34.3]*
Conclusion:
PEPITA is the first non-interventional study assessing modalities of use in daily practice of patients with stade IIIb/IV squamous NSCLC treated in 2[nd] line with erlotinib. This final analysis show similar efficacy and safety results to those observed in clinical trials. Clinical profile may drive EGFR genotyping.
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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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MINI30.07 - Crizotinib in Patients with ROS1 NSCLC. Preliminary Results of the AcSé Trial (ID 2426)
19:05 - 19:10 | Author(s): I. Monnet
- Abstract
- Presentation
Background:
To avoid uncontrolled off-label use and allow for a nationwide safe access to crizotinib (crz) for patients (pts) with an ALK, MET or ROS1 positive (+) tumor, the French National Cancer Institute (INCa) launched the AcSé program, funding both access to tumor molecular diagnosis and an exploratory multi-tumor 2-stage design phase II trial. We report the preliminary results of the ROS1+ NSCLC cohort.
Methods:
ROS1 status was assessed in 28 regional INCa molecular genetic centers by break-apart FISH assays in tumor samples showing an IHC score of ≥1+. Pts with ROS1 rearrangements, progressing after at least one standard treatment (including a platinum-based doublet, unless pts were considered as unfit for chemotherapy) were proposed to receive crz 250 mg BID. Responses were centrally assessed using RECIST v1.1. The objective response rate (ORR) and disease control rate (DCR) were assessed every 8 weeks.
Results:
From Aug. 5, 2013 to Mar. 1, 2015, 39 pts with ROS1+ NSCLC were enrolled. 37 pts had received crz, leading to 37 pts with clinical information. Median age: 62 years (range 33–81), 70% females, 95% non-squamous histology, and 94% metastatic disease at study entry. Median number of prior treatments: 2 (range 1 –7). Twenty four pts were still on treatment at the cut-off date, 13 have stopped crz (8 PD, 3 adverse events (AEs), 2 deaths). Among the 27 pts evaluable for response at 8 weeks, we observed 16 PR, 7 SD and 4 PD, leading to ORR=59% [95% CI:39-78], and DCR=85% [66-96]. DCR at 6 months was 57% (disease control was achieved in 12/21 evaluable pts). Crz was well tolerated with only 4 grade ≥3 (1 AE + 3 SAEs) and 9 grade 1-2 SAEs. Most common AEs, mainly grade 1, were visual disorders (54% of pts), peripheral edema (51%), diarrhea (48%), nausea (46%), and elevated transaminases (43%).
Conclusion:
Crz was well tolerated and achieved a robust treatment response rate in ROS1+ NSCLC. These results underline the interest of integrating ROS1 in biomarkers routine screening. Survival data and duration of response will be presented.
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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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ORAL11.01 - Bevacizumab 15mg/kg Plus Cisplatin-Pemetrexed (CP) vs CP in Malignant Pleural Mesothelioma (MPM): IFCT-GFPC-0701 MAPS Randomized Phase 3 Trial (ID 2142)
11:07 - 11:18 | Author(s): I. Monnet
- Abstract
Background:
MPM median overall survival (OS) did not exceed 13 months with pemetrexed-platinum doublet, with virtually no surviving patients at 5 years. Vascular endothelial growth factor is a potent mitogen for MPM cells.
Methods:
In this French multicenter randomized phase 3 trial, eligible patients had unresectable, histologically proved MPM, age < 76, no prior chemo, PS 0-2, no thrombosis, nor bleeding. Randomized patients (1:1) received pem 500 mg/m2, CDDP 75 mg/m2 at D1, with (arm B) or without bevacizumab (arm A), 15 mg/kg Q21D, for 6 cycles. Arm B non-progressive patients received bevacizumab maintenance therapy until progression or toxicity. Primary endpoint was OS. 445 patients were to be randomized, and 385 events observed, to show a significant OS improvement, with 80% statistical power, 5% a-risk.
Results:
From Feb. 2008 to Jan. 2014, 448 patients were included in 73 centers. Males: 75.4%, median age: 65.7 years (range 34.7-75.9), PS 0-1: 96.7%. The IDMC recommended a second interim analysis after 85% of events. On 01-Jan-2015, the duration since last news was < 30 days in 105 out of 106 still living patients. Overall survival was significantly longer in the experimental arm (median: 18.8 months, 95%CI[15.9-22.6] vs. 16.1 months, 95%CI[14.0-17.9] for the reference arm, (adj.HR = 0.76, 95%CI[0.61; 0.94], p = 0.012). With only 46/448 non-progressive patients at the date of analysis, median PFS was 9.6 months, 95%CI[8.5-10.6] in bevacizumab arm vs. 7.5 months, 95%CI[6.8-8.1] (adj.HR = 0.62, 95%CI[0.50-0.75], p < 0.0001). G3-4 hematological toxicities did not significantly differ in the two arms (49.5% vs. 47.3%). Significantly more G3 proteinuria (0.0 vs. 3.1%), G3 hypertension (0.0 vs. 23%), G3-4 arterial thrombotic events (0.0 vs. 2.7%) were observed in bevacizumab arm. QOL and exploratory biomarkers studies will be also presented at time of the meeting.
Conclusion:
Bevacizumab addition to pemetrexed/cis-platin provides a significantly longer survival in pts with MPM, with acceptable toxicity, making this triplet a new treatment paradigm.
