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O. Molinier



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    MINI 01 - Pathology (ID 93)

    • Event: WCLC 2015
    • Type: Mini Oral
    • Track: Biology, Pathology, and Molecular Testing
    • Presentations: 1
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      MINI01.05 - Local Diagnostic Practices for Advanced Non-Small-Cell Lung Cancer in Europe and Japan: ASSESS Study (ID 2629)

      10:45 - 12:15  |  Author(s): O. Molinier

      • Abstract
      • Presentation
      • Slides

      Background:
      ASSESS (a large, multicentre, non-interventional, diagnostic study; NCT01785888) evaluated local diagnostic practices for patients with advanced non-small-cell lung cancer (aNSCLC) in Europe/Japan.

      Methods:
      Eligible patients: local/metastatic aNSCLC; chemotherapy-naïve, newly diagnosed/recurrent disease after resection; ineligible for curative treatment. We report diagnostic assessments and epidermal growth factor receptor (EGFR) mutation test turnaround times (secondary endpoints) associated with tissue/cytology samples from patients in Europe/Japan.

      Results:
      1311 patients enrolled (300 Japan). Immunohistochemistry (IHC) was used to confirm pathological diagnosis in 727/960 (76%) and 142/146 (97%) patients in Europe and Japan, respectively (where data were available); the following markers were assessed using IHC: TTF-1 (Europe 96% and Japan 79%); p65 (4% and 8%); and p40 (9% and 24%). EGFR mutation tests were not performed on samples from 110 patients and tested samples from 17 patients did not yield results. The most common reason for not testing was insufficient material provided (Europe 60% [47/78 responses]; Japan 56% [5/9 responses]). The percentages of neoplastic cells in samples (data available: Europe n=281; Japan n=20) were: <20% tumour cells: Europe 15% vs Japan 35%; 20–50% tumour cells: 23% vs 45%; >50% tumour cells: 61% vs 20%. Considering sampling methodologies, the most common sampling sites (data available: Europe n=996; Japan n=291) were the lung parenchyma (Europe 73%; Japan 79%) or lymph nodes (Europe 9%; Japan 9%); the most common sample collection method was bronchoscopy (Europe 39%; Japan 68%; Table 1). Median EGFR mutation test turnaround time was longer in Europe (11 days) versus Japan (8 days; Table 2). Mutation test success rates for Europe and Japan were 98.3% and 99.6%, respectively.

      Conclusion:
      Diagnostic assessments, sampling methodologies and EGFR mutation testing practices vary between and within Europe and Japan; further understanding of local practices will drive improvements and enable more patients to receive appropriate personalised treatment. Figure 1 Figure 2





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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
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      MINI17.04 - Erlotinib in 2nd Line in Advanced Squamous NSCLC: Final Results of the Pepita Cohort (ID 822)

      16:45 - 18:15  |  Author(s): O. Molinier

      • Abstract
      • Slides

      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).

      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
      * 2 patients without EGFR mutation status Efficacy and genotyping results were:
      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]*
      *[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.

      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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    ORAL 11 - Clinical Trials 1 (ID 100)

    • Event: WCLC 2015
    • Type: Oral Session
    • Track: Thymoma, Mesothelioma and Other Thoracic Malignancies
    • Presentations: 1
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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)

      10:45 - 12:15  |  Author(s): O. Molinier

      • Abstract
      • Slides

      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.

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    ORAL 32 - EGFR WT and MT Targeting (ID 144)

    • Event: WCLC 2015
    • Type: Oral Session
    • Track: Treatment of Advanced Diseases - NSCLC
    • Presentations: 1
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      ORAL32.03 - Efficacy and Safety of Necitumumab Continuation Therapy in Phase 3 SQUIRE Study (ID 1391)

      16:45 - 18:15  |  Author(s): O. Molinier

      • Abstract
      • Presentation
      • Slides

      Background:
      The SQUIRE study demonstrated that the addition of necitumumab (N) to gemcitabine-cisplatin (GC) improved survival in patients with stage IV sq-NSCLC. This retrospective analysis compares efficacy and safety outcomes for patients who received single-agent N as continuation therapy after completion of chemotherapy treatment (CT) in GC+N arm to the continuation therapy-eligible population of the GC arm.

      Methods:
      Patients were randomized 1:1 to GC (G=1250 mg/m² iv, days 1 and 8; C=75 mg/m² iv, day 1) plus N (800 mg iv, days 1 and 8), or GC alone every 21 days up to 6 cycles. Patients in GC+N with no progression continued on N alone until progressive disease. In this analysis, we consider patients in GC+N arm who were alive and progression-free before the start of N single-agent therapy (GC+N arm continuation therapy patients) and patients in GC arm who were alive, progression-free after completion of CT and did not discontinue treatment due to adverse event (AE) (GC arm non-progressor patients). This analysis included patients in both arms who received ≥4 cycles of CT. Overall survival (OS) and progression-free survival (PFS) were measured from the date of randomization, with parameters estimated using the Kaplan-Meier method. Hazard ratios and 95% CIs between subgroups were estimated from stratified Cox proportional hazards models. OS and PFS for post-induction period were measured from the completion of CT + 21 days. Selected treatment-emergent AEs (TEAEs) for patients in each arm are presented in the table.

      Results:
      261 patients were progression-free, received ≥4 cycles of CT, and received ≥1 dose of N alone in GC+N arm. 215 pts in GC arm completed ≥4 cycles of CT, were progression-free, and did not discontinue due to AE. Patient baseline characteristics and exposure to CT were well balanced between GC+N and GC arms. Median OS from randomization in GC+N vs GC was 15.9 vs 15.0 months; HR 0.85 (95% CI, 0.69, 1.05). Median OS for post-induction period in GC+N vs GC was 11.5 vs 10.9 months; HR 0.84 (95% CI, 0.68; 1.04). Median PFS from randomization in GC+N vs GC was 7.4 vs 6.9 months; HR 0.86 (95% CI, 0.70, 1.06). Median PFS from post-induction period in GC+N vs GC was 3.2 vs 2.3 months; HR 0.85 (95% CI, 0.70, 1.04). Selected TEAEs (Overall):

      GC+N Continuation PatientsN = 261, % GC Non-ProgressorsN = 215, %
      Category Any Grade Grade ≥3 Any Grade Grade ≥3
      Neutropenia 55.9 34.1 57.7 33.0
      Anemia 46.7 10.0 49.3 8.8
      Thrombocytopenia 26.1 9.6 29.3 12.6
      Hypomagnesemia 42.1 14.9 18.6 0.9
      Conjunctivitis 11.9 0.8 3.3 0
      Rash 87.4 8.8 10.2 0.5
      Arterial thromboembolic event 5.7 3.1 0.5 0
      Venous thromboembolic event 9.2 3.8 4.2 0.9


      Conclusion:
      There was a consistent treatment effect in favor of GC+N continuation patients as compared to GC non-progressors with no unexpected increases in AEs.

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