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Kouji Inoue



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    P1.16 - Treatment of Early Stage/Localized Disease (Not CME Accredited Session) (ID 948)

    • 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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      P1.16-21 - Phase I / II Study of Carboplatin, Nab-Paclitaxel, and Concurrent Radiotherapy for Patients with Locally Advanced NSCLC (ID 12112)

      16:45 - 18:00  |  Author(s): Kouji Inoue

      • Abstract

      Background

      We performed an open-label, multicenter phase I/II study (UMIN ID 000012719) to prospectively evaluate the efficacy and safety of the combination of nab-paclitaxel plus carboplatin (nab-P/C) with concurrent thoracic radiotherapy in unresectable stage III non-small cell lung cancer.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      In the phase I study (standard 3+3 design), escalating doses of weekly nab-paclitaxel were given along with weekly carboplatin area under the plasma concentration time curve (AUC) 2 and concurrent radiotherapy 60 Gy in 30 fractions, followed by 2 cycles of nab-paclitaxel (100 mg/m2 on Days 1, 8 and 15) plus carboplatin (AUC 6 on Day 1). In the phase II study, nab-P/C at recommend dose (RD) was administered.

      4c3880bb027f159e801041b1021e88e8 Result

      In the Phase I study, 11 patients were enrolled with 9 evaluable for dose limiting toxicity (DLT). At level 1 (nab-paclitaxel 40mg/m2), none of 3 patients experienced DLT. At level 2 (nab-paclitaxel 50mg/ m2), 1 of 6 patients experienced DLT: grade 3 leukopenia requiring a second consecutive skip in the administration of weekly nab-P/C. Level 2 was defined as the RD. A total of 56 patients including 6 patients who received at dose of RD, were evaluable for the efficacy and safety. Of the 56 patients for safety analysis, common toxicities in the concurrent phase included grade 3/4 leukopenia (60.7 %), neutropenia (26.8 %), anemia (7.1 %), anorexia (7.1 %), esophagitis (5.4 %) and febrile neutropenia (1.8 %). In one patient, grade 3 pneumonitis was observed. There were no treatment-related deaths. The objective response rate was 76.8 % (95% confidence interval (CI), 64.2 to 85.9 %). The median progression-free survival was 11.8 months (60% CI, 10.6 to 16.2 months, 95% CI, 8.2 to 20.8 months), and the median overall survival was not reached.

      8eea62084ca7e541d918e823422bd82e Conclusion

      This is the first study to demonstrate encouraging feasibility and activity for concurrent chemoradiation with nab-paclitaxel 50 mg/m2 and CBDCA AUC 2 in patients with locally advanced NSCLC.

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