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B. Melotti



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    MO06 - NSCLC - Chemotherapy I (ID 108)

    • Event: WCLC 2013
    • Type: Mini Oral Abstract Session
    • Track: Medical Oncology
    • Presentations: 1
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      MO06.06 - Oral vinorelbine (NVBo) and cisplatin (P) or pemetrexed (Pem) and P as first-line chemotherapy for non squamous (NS) metastatic or locally advanced non small cell lung cancer (M or LA NSCLC): Final results of a prospective randomised phase II trial (NAVoTrial 1) (ID 276)

      16:15 - 17:45  |  Author(s): B. Melotti

      • Abstract
      • Presentation
      • Slides

      Background
      NVBo and P are an established regimen in advanced NSCLC. The approval of Pem and P in NS NSCLC recognises histology as treatment driver even if the higher chemosensitivity of NS NSCLC is recognised and reported with other chemotherapies (Ardizzoni. JNCI 2007). NVBo + P also showed better survival in NS NSCLC than in Squamous NSCLC (Tan. Ann.Oncol. 2009). The current randomised (2:1) phase II trial assessed disease control (DCR) (SD + PR + CR) of NVBo/CDDP or PEM/CDDP in NS NSCLC.

      Methods
      Stage IIIB/IV untreated/relapsed NS NSCLC pts were randomised to receive q3w NVBo 80 mg/m² D1D8 (60 at Cycle 1) + P 80 mg/m² D1 (Arm A) or Pem 500 mg/m² + P 75 mg/m² D1 (Arm B). After 4 cycles of combination, non PD pts received single agent NVBo (Arm A) or PEM (Arm B) as maintenance until progression or toxicity. Pts were randomised on a 2/1 basis and stratified according to Stage (IIIB - IV - relapse), non SCC confirmed by histology or cytology, gender, smoking status and centre.

      Results
      From 11/09 to 02/11, 153 patients were enrolled in 31 centers and randomised to Arm A (102 pts) or Arm B (51 pts). DCR after combination and maintenance was 75.0% (95% CI, 65.3 to 83.1) in Arm A and 76.5% (95% CI, 62.5 to 87.2) in Arm B. Median PFS was 4.2 (95% CI, 3.6 to 4.7) and 4.3 months (95% CI, 3.8 to 5.6) in Arm A and Arm B, respectively. Median OS was 10.2 months (95% CI, 7.8 to 11.9) and 10.8 months (95% CI, 7.0 to16.4) in Arm A and Arm B, respectively. During the combination period Grade 3/4 neutropenia was 44.0% in Arm A and 18.3% in Arm B but febrile neutropenia was 2% in both arms; grade 3/4 thrombopenia was 0% and 6% in Arm A and Arm B, respectively.

      Conclusion
      Both doublets reported good efficacy and acceptable tolerability. The maintenance allowed continuation of effective treatment with either oral vinorelbine or pemetrexed as single agent, with an acceptable safety with both agents. These results are sufficiently compelling to consider whether a phase III randomised non inferiority study with oral vinorelbine maintenance after induction vinorelbine/cddp could be as effective as pemetrexed maintenance. An oral maintenance may be a definite advantage over intravenous maintenance.

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