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F. Morin



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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): F. Morin

      • 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 33 - ALK (ID 145)

    • Event: WCLC 2015
    • Type: Oral Session
    • Track: Treatment of Advanced Diseases - NSCLC
    • Presentations: 1
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      ORAL33.01 - Crizotinib Outcome and Post-Progression Management in ALK+ NSCLC: IFCT-1302 CLINALK (ID 1355)

      16:45 - 18:15  |  Author(s): F. Morin

      • Abstract
      • Presentation
      • Slides

      Background:
      Phase III trials have demonstrated the superiority of the ALK tyrosine kinase inhibitor (ALK-TKI) crizotinib compared to standard chemotherapy in advanced ALK positive non-small cell lung cancers (ALK+ NSCLC) in first line and second line setting. Objective response rate (ORR) with crizotinib ranged from 65 to 75% and median progression free survival (PFS) from 7.7 to 10.9 months. However a resistance to crizotinib always occurs. The French Cooperative Thoracic Intergroup (IFCT)-1302 CLINALK study aimed to describe clinical outcome and post-progression management in a large cohort of French patients with ALK+ NSCLC treated with crizotinib.

      Methods:
      IFCT-1302 CLINALK is a multicentric observational retrospective study. Patients with ALK+ NSCLC from centers of the IFCT network were included according to the main following criteria: advanced stage III or stage IV NSCLC, ALK immunochemistry (IHC) and/or ALK FISH positivity, crizotinib treatment in the setting of the French expanded access cohort program or as approved drug. Epidemiological and clinical data, crizotinib efficacy (objective response based on RECIST, PFS, overall survival (OS)), duration of treatment with crizotinib after disease progression and post progression outcome were collected on a case report form. The study inclusion period was from November 18 2011 to December 31 2013. The data cut-off was December 31 2014.

      Results:
      318 patients were included (median age 58.3, female 49.4%, caucasian 98.6%, non-smoker 55.1%, performance status 0/1 78.7%, adenocarcinoma 91.7%, stage III 14.5%, stage IV 85.5%, brain metastasis 35.9%). IHC was positive in 151/173 patients and FISH in 279/283 patients. Before crizotinib treatment, patients received platinum-based chemotherapy in 89% of cases and pemetrexed-based chemotherapy in 76.1%. Crizotinib was prescribed as first-line treatment in 17 patients (5.3%), second-line in 168 patients (52.8%), third-line in 58 patients (18.2%) and more than third-line in 75 patients (23.7%). Objective response was complete response in 1 patient (0.3%), partial response in 126 patients (40.0%), stable disease in 62 patients (19.7%) and progression in 58 patients (18.4%). ORR was 40.3 % (95%CI, 34.9-45.7). 262/318 patients presented progressive disease (82.4%) at time of analysis. Median PFS was 6.9 months (95%CI, 5.7-8.6). Median OS with crizotinib was 18.7 months (95%CI, 15.2-22.5). Median duration of treatment with crizotinib after disease progression was 56 days (29-203). Among 143 patients with subsequent treatments, crizotinib was rechallenged in 32 patients (22.4%). 58/143 patients (40.6%) were treated after crizotinib failure with another ALK-TKI, either alectinib (19/58, 32.8%) or ceritinib (40/58, 69.0%). The ALK-TKI sequence was crizotinib-alectinib in 18 patients, crizotinib-ceritinib in 39 patients and crizotinib-alectinib-ceritinib in 1 patient.

      Conclusion:
      This retrospective study of 318 patients with ALK+ NSCLC showed a remarkable efficacy of crizotinib, with a 18.7 months median OS, a 40.3% ORR and a 6.9 months median PFS. However, ORR and mPFS were lower than those reported in phase III trials, which may be due to less stringent selection criteria. Analysis of predictive factors of response and survival including post-progression strategies will be presented.

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    ORAL 34 - Quality/Survival/Prognosis in Localized Lung Cancer (ID 153)

    • Event: WCLC 2015
    • Type: Oral Session
    • Track: Treatment of Localized Disease - NSCLC
    • Presentations: 1
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      ORAL34.01 - Compliance with Follow-Up Programs After Surgery for Non-Small Cell Lung Cancer in the Phase III IFCT-0302 Trial (ID 2148)

      16:45 - 18:15  |  Author(s): F. Morin

      • Abstract
      • Presentation
      • Slides

      Background:
      In patients operated on for non-small cell lung cancer, several guidelines recommend a follow-up based on regular clinic visits and chest CT-scans. However, evidence to support these recommendations is poor, in the absence of randomized data. The IFCT-0302 trial is a randomized multicenter trial which compared 2 follow-up programs after complete resection for a clinical stage I, II, IIIA and T4 (pulmonary nodules in the same lobe) N0-2 NSCLC (TNM 6[th] edition). We present the results of compliance with the follow-up programs for the first 2 years after randomization.

      Methods:
      In the CXR arm, follow-up consisted of clinic visit and chest X-rays. In the CCT arm, patients underwent clinic visit, chest X-rays, thoraco-abdominal CT scan plus fiberoptic bronchoscopy (only mandatory for squamous cell and large cell carcinomas). In both arms, procedures were repeated every 6 months after randomization during the first 2 years, and yearly until 5 years, in the absence of recurrence or second primary cancer. Supplementary procedures were allowed in case of symptoms. Primary endpoint was overall survival.

      Results:
      Between January 2005 and November 2012, 1775 patients were randomized (CXR: 888; CCT: 887). Patient characteristics were well balanced between the two arms : males 76.3%, median age 62 years (range: 33-87), adenocarcinomas 56.7%, stage I-II 82.1%, lobectomy or bilobectomy 86,8%, pre- and/or post-operative radiotherapy 8.7%, and pre- and/or post-operative chemotherapy 45%. Surveillance was performed in 97% of patients at 6 months, in 94% at 12 months, in 90% at 18 months and in 84% at 24 months, and did not differ between the 2 arms. Intervals between randomization and visits were respected with no difference between arms (mean +/-SD in months from randomization: 5.93 +/- 0.84; 11.95 +/- 0.98; 18.05 +/- 0.99; 24.18 +/-1.30, respectively). In the 757 patients of the CXR arm, who had a follow-up visit at 6 months and no recurrence, 754 (99.6%) had a clinic visit and 730 (96.4%) a chest X-ray. In the 706 patients of the CCT arm who had a follow-up visit at 6 months and no recurrence, 702 (99.4%) had a clinic visit, 478 (67.7%) a chest X-ray, 678 (96%) a chest CT-scan, and 342 (48.4%) a bronchoscopy. Comparable compliance results were observed at 12, 18 and 24 months. In the CXR arm, supplementary thoracic CT-scans were done in 119 patients (15.7 %) at 6 months, in 96 (14.4 %) at 12 months, in 78 (13.2%) at 18 months and in 58 (11.4%) at 24 months. Other supplementary procedures were more frequent in the CCT arm than in the CXR arm, consisting mostly of brain imaging (at 6 months, in 93 (13.2%) and 39 (5.2%) patients, respectively, p<.001).

      Conclusion:
      Compliance with the follow-up programs was excellent in terms of timing. Chest X-ray was often omitted in the CCT arm. In the CXR arm, supplementary CT-scans that did not lead to a diagnosis of recurrence or second primary cancer were performed in 10 to 15% of patients. In the CCT arm, the most frequently performed supplementary procedure was brain imaging.

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