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A. Ardizzoni



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    MO24 - NSCLC - Chemotherapy III (ID 110)

    • Event: WCLC 2013
    • Type: Mini Oral Abstract Session
    • Track: Medical Oncology
    • Presentations: 1
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      MO24.02 - Treatment decisions for elderly patients with advanced non-small cell lung cancer (NSCLC) in Italian clinical practice: results from the RIGHT-3 project by Italian Association of Medical Oncology (ID 3115)

      10:35 - 10:40  |  Author(s): A. Ardizzoni

      • Abstract
      • Presentation
      • Slides

      Background
      In 2004, the Italian Association of Medical Oncology (AIOM) created the RIGHT (Research for the identification of the most effective and highly accepted clinical guidelines for cancer treatment) program. The third step of the program, RIGHT3, aimed to evaluate the concordance between AIOM lung cancer guidelines and clinical practice in Italy. Description of treatment decisions for elderly patients with advanced non-small-cell lung cancer (NSCLC) was among the indicators. According to 2009 AIOM guidelines, single-agent chemotherapy with a third-generation agent was a reasonable choice for elderly patients with advanced NSCLC, whilst evidence about use of platinum-based treatment in the elderly population was judged potentially affected by selection bias and not conclusive.

      Methods
      RIGHT3 was a retrospective observational study conducted in a sample of 53 Italian lung cancer centers, representative of 230 AIOM centers. Patients with NSCLC diagnosis who had their first visit at the oncology center during 2010 and followed-up for at least 6 months were included. Proportion of elderly patients with stage IV disease receiving chemotherapy was among the 14 indicators evaluated.

      Results
      Overall, 306 pts with stage IV NSLSC were enrolled, and 299 were evaluable. Of these, 91 (30.4%) were older than 70. In the elderly subgroup, 81 pts (89%) were treated with first-line chemotherapy. In detail, a single-agent treatment was administered in 28 (34.6%) of cases, and a combination chemotherapy in the other 53 cases (65.4%). Among pts receiving platinum-containing doublets, carboplatin was more frequently used than cisplatin: carbo-gemcitabine (16 pts), carbo-pemetrexed (12 pts), cisplatin-pemetrexed (8 pts), cisplatin-gemcitabine (7 pts), carbo-vinorelbine (4 pts) were the 5 most frequently used regimens.Thirty pts (33%) received a second-line chemotherapy: single-agent in 23 cases, combination chemotherapy in 7 cases.

      Conclusion
      First-line platinum-based combination chemotherapy was commonly used in elderly patients with advanced NSCLC in 2010 by the Italian Lung cancer centers involved. First-line single-agent treatment, recommended by AIOM 2009 guidelines as the treatment choice with highest level of evidence, was used only in a minority of patients.

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    P3.06 - Poster Session 3 - Prognostic and Predictive Biomarkers (ID 178)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Biology
    • Presentations: 1
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      P3.06-036 - Prospective correlative study of FDG-PET SUV and proteomic profile (VeriStrat) of Non Small Cell Lung Cancer (NSCLC) patients treated with erlotinib (ID 2693)

      09:30 - 09:30  |  Author(s): A. Ardizzoni

      • Abstract

      Background
      VeriStrat (VS) is a multivariate protein serum test that classifies Non Small Cell Lung Cancer (NSCLC) patients in 2 categories VS Good or VS Poor according to the overall survival (OS) of patients treated with EGFR-TKIs. Recently, the prospective Phase III PROSE study showed that the VS algorithm is predictive of differential OS benefit for erlotinib (E) vs second line standard chemotherapy (CT): VS Poor classified patients had worse OS on E compared to CT, while there was no significant difference between treatments outcome in the VSG group. Aim of the current study was to evaluate if baseline Standardized Uptake Value (SUV) of FDG-PET may help to optimize treatment choice between E or CT IN VS Good classified pts.

      Methods
      Plasma samples were collected before the beginning of E from metastatic NSCLC patients. Acquired spectra were classified according to the VS algorithm. The FDG-PET was performed tha day before the beginning of E. Survival curves were estimated using the Kaplan-Meier method.

      Results
      Thirty eight NSCLC patients on E therapy with the following characteristics were analyzed: median age 62 years old, 63% were males, 53% had adenocarcinoma histology, response rate was 26%, median OS 10 mos and TTP 3.4 mos. Twenty-six (68%) were classified as VS Good, 12 (32%) as Poor. TTP and OS for VS Good and Poor were 4.1 vs 2.1 mos (HR 0.86, log-rank p=0.6) and 11.1 vs 4.1 mos (HR 0.45,log-rank p=0.02), respectively. All VS Poor classified patients had SUV ≥ 7 and had the worst TTP and OS; VS Good classified patients with baseline SUV level ≥ 7 had worse OS (10 mos) and worse TTP (2.1 mos) compared to those who were VS Good and had SUV<7 (OS 16 mos) (TTP 13.8 mos).

      Conclusion
      The study confirmed that VS Poor classified patients had significantly shorter OS than those classified as VS Good. Patients with VS Good profile and with baseline FDG-PET SUVs levels <7 may benefit more from EGFR-TKIs than VS Good patients with higher FDG-PET SUV, suggesting that FDG-PET analysis may be a clinically useful tool for EGFR-TKIs therapy selection.