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J. Auliac



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    MO07 - NSCLC - Targeted Therapies II (ID 114)

    • Event: WCLC 2013
    • Type: Mini Oral Abstract Session
    • Track: Medical Oncology
    • Presentations: 1
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      MO07.09 - Feasibility and clinical impact of re-biopsy in advanced non-small cell lung cancer: a prospective multicentric study in real world setting (GFPC study 12-01) (ID 1045)

      16:15 - 17:45  |  Author(s): J. Auliac

      • Abstract
      • Presentation
      • Slides

      Background
      In case of progression under initial treatment, repeat biopsy is a new option procedure in advanced non-small cell lung cancer (NSCLC). Its justification is based on the assessment of biological markers (comparison to the initial status, emergence of resistance to chemotherapy or new biomarkers). The aim of this pragmatic prospective multicenter study was to assess feasibility and clinical utility of re-biopsy in real world setting in advanced NSCLC.

      Methods
      Patient’s main inclusion criteria was advanced NSCLC with an indication of repeat biopsy by the referent clinician. The primary outcome was the percentage of successful procedures; secondary outcomes were localization of the new biopsy, type of procedure, new biological status (comparison to initial status, new biomarkers, resistance biomarkers) and tolerance of the procedure.

      Results
      From May 2012 to May 2013, 18 centers included 102 patients. The characteristics of the 67 first patients were: male: 40%; age: 64.8 ± 10.9 years; PS 0/1: 87%; adenocarcinoma: 85%; EGFR mutated: 46.2%; no biological available assessment: 16.4%; controlled disease as best response to first line: 70%. Repeat biopsy was possible in 80.6%. The main failure reasons were: inaccessible lesion: 4.5%, medical contraindications: 14.9%. Main procedures were: bronchial endoscopy: 48.1%, trans thoracic needle biopsy: 24.1%. The procedure permits to find, in EGFR wild type population, 3 patients with a driver oncogene (1 HER2, 1 Ros1, 1 EML4 ALK); in EGFR mutated patients, 2 T790M mutations and to obtain in 3 patients with no biological data’s at the diagnosis, a biological profile. Complications were very low: 2 cases of moderate bleeding and 1 case of pneumothorax.

      Conclusion
      Repeat biopsy is a feasible procedure with acceptable adverse events. Recommendations should be realized on the indications of re-biopsy, the timing and the recommended site (primary versus metastasis, progressive target versus no progressive). Analysis of the complete population (n=102) will be presented at the meeting. Supported by an academic grant from Boehringer Ingelheim Company and Hoffmann-La Roche Company.

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    P2.09 - Poster Session 2 - Combined Modality (ID 213)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Combined Modality
    • Presentations: 1
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      P2.09-001 - Phase II study of concurrent chemo-radiotherapy (CRT) with weekly cisplatinum plus oral vinorelbine in fit elderly patients with nonresectable locally advanced non-small-cell lung cancer (NSCLC) assessed by Standardized Geriatric Assessment (RACCOSA, GFPC 08-06 study): interim analysis. (ID 233)

      09:30 - 16:30  |  Author(s): J. Auliac

      • Abstract

      Background
      Few studies are dedicated to elderly patients with unresectable stage IIIA/B. We used a Standardized Geriatric Assessment (SGA) to select fit elderly patients and assess if this population can benefit from standard of care, namely concurrent CRT.

      Methods
      The aim of this multicentric phase II opened-study was to assess CRT in patients older 70 years with locally advanced NSCLC, evaluated as “fit” according to SGA.CRT associated oral vinorelbine (30 mg/m²/week) and IV cisplatinum (30 mg/m²/week) during 6 weeks concurrently with radiotherapy (66 Gy, 33 fractions, 6,5 weeks). Main inclusion criterias were : PS ≤ 1, weight loss < 10%, creatinine clearance ³ 50 ml/mn abreviated, VEMS ³ 40%, PaO2 ³ 60 mm Hg, KCO ³ 60% and patient classified as fit according to SGA. The principal end-point was early treatment tolerance (number of patients with adverse event grade ³ 3 (except nausea and vomiting) or grade 4 for hematologic toxicity and asthenia. Secondary end-points were RECIST response 4 weeks after treatment, quality of life, tolerance, progression-free survival and overall survival. Using a Simon's optimal plan in 2 steps, the total number of patients to be included was 59 with an intermediate analysis after 19 patients. Toxicities and serious adverse events were monitored by an independent peer committee.

      Results
      Interim analysis was done after 23 inclusions in 19 evaluable patients: males 84% , mean age 74.6 (70 to 83) years, 3 patients didn’t end the treatment (1 disease progression, 1 cons-indication for radiotherapy, 1 patient choice). Four patients had adverse event ≥ 3 (except nausea and vomiting) or grade 4 hematologic toxicity and asthenia. Treatment efficacy was: 1 RC, 10 RP, 5 SD, 1 PD. Two patients were not evaluable (1 early death, 1 patient’s refusal to further treatment). The independent peer committee judged that toxicities were acceptable and consistent with what was expected. Study is ongoing with 44 enroled patients currently.

      Conclusion
      The interim analysis of a phase II study of CRT in fit elderly patients with no resecable locally advanced NSCLC assessed by SGA showed an acceptable toxicity. Results will be upgraded for the congress.

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    P2.24 - Poster Session 2 - Supportive Care (ID 157)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Supportive Care
    • Presentations: 1
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      P2.24-039 - Renal failure is the first cause of double maintenance (bevacizumab + pemetrexed) discontinuation for toxicity in real world setting (ID 2491)

      09:30 - 16:30  |  Author(s): J. Auliac

      • Abstract

      Background
      Maintenance treatment, with either bevacizumab or pemetrexed, has been shown to increase PFS and overall survival. Two trials have compared double maintenance (DM) therapy (pemetrexed + bevacizumab), to single drug maintenance (bevacizumab in AVAPERL and POINTBREAK studies). Conflicting results were found. Before definitive conclusions can be driven from these studies and other ongoing study (ECOG 5508), the purpose of our retrospective study was to determine in real world setting the frequency of double maintenance discontinuation for adverse event, and to describe the main toxicities occurring during double maintenance.

      Methods
      All patients who received at least one cycle of pemetrexed and bevacizumab as maintenance treatment were identified from the Oncology Pharmacy database of participating centers since year 2011. All the charts were analyzed retrospectively to obtain clinical data. Lab results were noted for haemoglobin, creatinine and liver enzymes before starting and after receiving multiple doses of pemetrexed and bevacizumab.

      Results
      Included were 87 patients treated with two to six cycles of induction chemotherapy (median 4), combining platinum with pemetrexed and bevacizumab, followed by at least one cycle of bevacizumab and pemetrexed as maintenance treatment. All patients received supplementation of vitamin B12 and folic acid during chemotherapy. Baselines characteristics (%): male 54: stage IV 96,5; adenocarcinoma 96,5; median age 58 yr. 57,8% of patients had objective response after induction chemotherapy, and 42,2% had stable disease after induction chemotherapy. At cut off date: treatment was still ongoing for 17 patients (19,8%); 40,6% of patients stopped DM for progressive disease; 33,3% of patients stopped DM for toxicity (out of these 33% of patients, 42% went on single maintenance with Pemetrexed and 58% with Bevacizumab); 11,6% of patients stopped DM for patient/physician decision, and 14,4% for other reasons. The most common toxicity responsible for DM discontinuation was renal failure (52%).

      Reason for discontinuation (%) POINTBREAK AVAPERL This study
      Progressive disease 61,0 54,7 40,6
      Adverse event 13,7 21,6 33,3
      Others reasons 19,8 23,5 25,8

      Conclusion
      This retrospective study suggests that in real world setting, double maintenance is frequently discontinued for adverse event (33,3% of patients). The most frequent adverse event was renal failure (half of the cases). Further analyses are ongoing in order to identify any predictive factors for renal failure occurrence and will be presented at meeting. These results suggest that particular caution should be taken in order to preserve renal function whenever double maintenance (pemetrexed + bevacizumab) is considered in a patient with stable or responding tumour after induction chemotherapy consisting in platinum, pemetrexed and bevacizumab.

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    P3.10 - Poster Session 3 - Chemotherapy (ID 210)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Medical Oncology
    • Presentations: 1
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      P3.10-041 - Impact of a Comprehensive Geriatric Assessment on management strategies in elderly patients with advanced no small cell lung cancer (NSCLC): a polled analysis of two phase 2 prospective study of the GFPC group. (ID 2418)

      09:30 - 16:30  |  Author(s): J. Auliac

      • Abstract

      Background
      The impact of a systematic use of a Comprehensive Geriatric Assessment (CGA) on management strategies in elderly patients with no small cell lung cancer (NSCLC) is not well established. The objective of this study was to analyze if items of CGA may predict overall survival of elderly patients with NSCLC treated by chemotherapy or erlotinib in first or second lines setting.

      Methods
      Individuals data’s of GFPC 0504 study (population of fit elderly patients) and GFPC 0505 study (population of frail elderly patients) were pooled. The aim of these two prospective phase 2 trials were to compare a strategy using chemotherapy (doublet in fit patients, monotherapy in frail patients) in first line followed by erlotinib in second line to the reverse strategy (erlotinib in first line, followed by chemotherapy), in terms of progression-free survival (PFS) in second line period. Secondary outcomes were to compare first-line PFS, overall survival (OS), tolerance and costs. All patients had a complete comprehensive geriatric assessment, evaluating diverse areas as functional status, nutritional status, cognition, psychological functioning, and social support, at randomization. Predictive factors associated with OS were searched using Kaplan-Meier curves and logrank tests in the univariate analysis. A Cox model was used for the multivariate analysis.

      Results
      195 patients were included. Mean age was 77 years. 135 (70%) patients were males, 172 (89%) were stage IV and 109 (56%) were no or ex-smokers. At CGA assessment, 176 patients (70%) had an IADLD score of 3 or 4, 129 pts (66%) had a 0 or 1Charlson score, 167 pts (86%) had a simplified Charlson score < 8, 19 pts had a MMS score < 30, 146 pts (75%) had a situational score >10, 33 (17%) had a nutritional score <8. Factors predicting OS in the univariate analysis were 1-3 PS scores (1.5 [1.1 – 2.0], p=0.01); no or ex-smoker (0.70 [0.52–0.95], p = 0.02); 2-4 Charlson score (2.0 [1.4 – 2.7], p<0.0001, Simplified Charlson score ≥ 8 (1.50 [1.10–2.07],p=0.03), nutritional score>8 (0.60 [0.42 – 0.91], p= 0.01); 2 level mobility score (0.15 [0.04 – 0.62], p = 0.009). In the multivariate analysis, remained 1-3 PS (1.4 [1.02 – 1.9], p = 0.04), 2-4 Charlson score (1.46 [1.07 – 1.99], p=0.02), >8 nutritional score (0.69 [0.46 – 1.04], p= 0.07), level 2 mobility score level (0.25 [0.06 – 1.01], p = 0.06)

      Conclusion
      Comorbidities, nutritional and mobility scores, in this specific elderly population are predictive of OS. Prospective studies using large prospective cohort are needed to better select the more relevant management for elderly with advance NSCLC.