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C. Clément-Duchêne



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    MINI 25 - Trials, Radiation and Other (ID 142)

    • Event: WCLC 2015
    • Type: Mini Oral
    • Track: Thymoma, Mesothelioma and Other Thoracic Malignancies
    • Presentations: 1
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      MINI25.08 - Systemic Treatment in Advanced Thymic Epithelial Tumors. Insights From a Prospective Cohort of 888 Patients Enrolled in RYTHMIC (ID 1166)

      17:25 - 17:30  |  Author(s): C. Clément-Duchêne

      • Abstract
      • Slides

      Background:
      RYTHMIC (Réseau tumeurs THYMiques et Cancer) is the French nationwide network for thymic malignancies. Starting 2012, all patients diagnosed with thymic tumor had to be enrolled, as recommended by the French National Cancer Institute, part of good clinical practice.

      Methods:
      RYTHMIC prospective database is hosted by the French Thoracic Cancer Intergroup (IFCT), and collects clinical, imaging, treatment, and follow-up data of patients discussed at the reference national multidisciplinary tumor board (MTB). Data cutoff was April 1[st], 2015 for this analysis.

      Results:
      1089 questions were raised at the MTB about the management of 888 patients with thymic epithelial tumor. Among assessable cases, Masaoka-Koga stage III-IV tumors accounted for 42% of cases; histology was thymoma in 82% of cases, and thymic carcinoma in 18% of cases. First-line treatment of locally advanced disease, and management (diagnosis and treatment) of recurrent disease led to raise 227 (21%), and 234 (21%) questions at the MTB, respectively, 312 (68%) of which were about the modalities of systemic treatment. Figure 2 shows the proposed regimens for primary (A) and exclusive (B) chemotherapy in treatment-naïve patients, and chemotherapy (C) and targeted agents (D) for recurrent tumors. Combination of cisplatin, adriamycin, and cyclophosphamide and carboplatine, paclitaxel were the most frequently proposed regimens as first- and second-line treatment, respectively. Figure 1 Figure 2





      Conclusion:
      RYTHMIC is an exhaustive registry of thymic malignancies, which provides unique insights in the management of advanced and recurrent tumors with systemic agents. Meanwhile, limited data have been made available in the literature so far, as clinical trials were conducted in small numbers of patients, and existing databases enrolled a majority of surgically resected, early-stage tumors. Through the use of targeted agents, RYTHMIC allows the rapid implementation of new results in clinical practice, while ensuring patients an equal access to therapeutic innovation. Supported by Institut National du Cancer

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