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Gianluca Spitalieri

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    P1.01 - Advanced NSCLC (Not CME Accredited Session) (ID 933)

    • Event: WCLC 2018
    • Type: Poster Viewing in the Exhibit Hall
    • Track:
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
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      P1.01-15 - ROS1-Rearranged Non-Small Cell Lung Cancer Is Associated with High Rate of Venous Thromboembolism: Analysis of The METROS Trial (ID 12287)

      16:45 - 18:00  |  Author(s): Gianluca Spitalieri

      • Abstract
      • Slides


      Patients with lung cancer are at increased risk for venous thromboembolism (VTE) and 8% to 15% of patients with advanced non-small-cell lung cancer (NSCLC) experience a VTE event during the course of their disease. The incidence of VTE in molecularly defined NSCLC is still unknown. However, emerging data suggests that patients harbouring ALKrearrangements are at increased risk of VTE. In light of the high amino-acid sequence and structural homology with ALK protein, we undertook this study to determine the incidence of VTE in patients with ROS1-rearranged NSCLC.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      The METROS trial is a multicentre prospective phase II study designed to assess efficacy, safety and tolerability of Crizotinib in pre-treated metastatic NSCLC with METamplification or METexon 14 mutation or ROS1rearrangement. ROS1-rearranged patients enrolled within cohort A and expansion cohort of the trial were evaluated in this analysis.

      4c3880bb027f159e801041b1021e88e8 Result

      Among 48 patients with ROS1-rearranged lung adenocarcinomas (median [range] age 50 [28-82]); 17 males [35.4%] and 31 females [64.5%]; PS 0-1 [95.8%], 2 [4.2%]; 21 current/former smokers [43.75], 27 never smokers [56.25]) , 20 (41.6%) had at least one VTE event. VTE events consisted in pulmonary embolism (PE) in 11 patients (55%), deep vein thrombosis (DVT) in 11 patients (55%), renal vein thrombosis in 2 patients (10%). Seven patients (35%) had ≥ 1 VTE event. Patients with VTE were more likely to be older than 65 years (P = 0.029). No other associations between clinical characteristics and development of VTE were observed. The occurrence of VTE was not associated with overall survival.

      8eea62084ca7e541d918e823422bd82e Conclusion

      The incidence of VET is 3- to 5-fold higher in patients harbouring ROS1-rearrangment than previously observed for the general NSCLC population. Whether molecular profile of NSCLC should be incorporated into a risk-stratification tool and decision-making algorithm for VTE diagnosis, prophylaxis and treatment remains to be determined prospectively.


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