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B. Hughes



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    OA22 - Novel Trials and Biomarkers in Malignant Pleural Mesothelioma (ID 403)

    • Event: WCLC 2016
    • Type: Oral Session
    • Track: Mesothelioma/Thymic Malignancies/Esophageal Cancer/Other Thoracic Malignancies
    • Presentations: 1
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      OA22.02 - Nintedanib plus Pemetrexed/Cisplatin in Patients with MPM: Phase II Findings from the Placebo-Controlled LUME-Meso Trial (ID 4191)

      14:20 - 15:50  |  Author(s): B. Hughes

      • Abstract
      • Presentation
      • Slides

      Background:
      Standard first-line treatment for patients with unresectable malignant pleural mesothelioma (MPM) is pemetrexed/cisplatin, yielding a median overall survival (OS) of only ~1 year, thus new approaches are required. As demonstrated by the bevacizumab MAPS study, inhibition of the VEGF pathway is of interest as a treatment approach for MPM. Nintedanib is an oral, triple angiokinase inhibitor of VEGFR, PDGFR and FGFR. This study will evaluate the efficacy and safety of nintedanib plus pemetrexed/cisplatin in patients with advanced MPM.

      Methods:
      Patients with unresectable MPM (chemo-naïve, ECOG PS 0–1) were stratified by histology (epithelioid/biphasic) and randomised (1:1) to receive up to 6 cycles of pemetrexed (500 mg/m[2])/cisplatin (75 mg/m[2]) on Day 1 plus nintedanib (200 mg bid)/placebo on Days 2–21. Patients without disease progression received maintenance treatment with nintedanib/placebo. The primary endpoint was progression-free survival (PFS).

      Results:
      87 patients were randomised to receive pemetrexed/cisplatin, plus nintedanib/placebo. Patient characteristics were comparable between the groups. PFS was longer in the nintedanib vs the placebo arm, in both the overall study population and in epithelioid patients (Table 1). Preliminary OS data also favour nintedanib. All patients experienced at least one adverse event (AE, any grade), with 7% of patients in the nintedanib arm discontinuing due to AEs, vs 15% with placebo. Serious AEs occurred in 36% vs 42% of patients in the nintedanib and placebo arms, respectively. The most common ≥grade 3 AEs occurring in nintedanib vs placebo patients were neutropenia (34% vs 10%), ALT increase (14% vs 2%) and gamma glutamyltransferase increase (14% vs 0%).

      Conclusion:
      Nintedanib plus pemetrexed/cisplatin demonstrated clinical efficacy with improved PFS and a tolerable safety profile in patients with unresectable MPM. Based on these promising findings, this Phase II study was extended to a confirmatory Phase III trial, which is currently enrolling patients. Clinical trial identifier: NCT01907100.

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