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N. Nogami



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    MO25 - NSCLC - Combined Modality Therapy II (ID 112)

    • Event: WCLC 2013
    • Type: Mini Oral Abstract Session
    • Track: Mesothelioma
    • Presentations: 1
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      MO25.02 - Thoracic Radiotherapy With or Without Concurrent Daily Low-Dose Carboplatin in Elderly Patients With Locally Advanced Non-small Cell Lung Cancer: Updated Results of the JCOG0301 and Pooled Analysis With the JCOG9812 Trial. (ID 734)

      10:35 - 10:40  |  Author(s): N. Nogami

      • Abstract
      • Presentation
      • Slides

      Background
      The Japan Clinical Oncology Group (JCOG) undertook 2 randomized phase III trials (JCOG9812 and JCOG0301) to assess whether daily low-dose carboplatin plus radiotherapy could improve survival in elderly patients with stage III non-small cell lung cancer (NSCLC) when compared to radiotherapy alone. Although JCOG9812 was prematurely terminated because of a high incidence of treatment-related deaths (TRDs) and instances of protocol violation, especially with regard to radiotherapy planning, the trial regimen was assumed promising. Therefore, JCOG0301 was conducted for the same subjects using the same protocol regimen with modified inclusion criteria regarding pulmonary function and radiotherapy quality control (RTQC) measures. We then carried out a preplanned pooled analysis of these 2 studies.

      Methods
      The eligibility criteria for both trials were age of ≥71 years and unresectable stage III NSCLC. Patients were randomized to receive radiotherapy alone (60 Gy, RT arm) or chemoradiotherapy (radiotherapy, 60 Gy plus concurrent carboplatin, 30 mg/m[2] per fraction up to the first 20 fractions, CRT arm). The primary endpoint for both studies was overall survival (OS). The pooled analysis included OS, progression-free survival (PFS), response rate, and toxicities.

      Results
      In JCOG9812, 46 patients (RT arm, n=23; CRT arm, n=23) were enrolled from November 1999 to August 2001. In JCOG0301, 200 patients (RT arm, n=100; CRT arm, n=100) were enrolled from September 2003 to May 2010, and in total, 246 patients were included in the pooled analysis. Patient characteristics for the RT (n=123) and CRT (n=123) arms were as follows: median age, 77 years (range, 71–93) and 77 years (range, 71–89); stage IIIA/IIIB, 65/58 patients and 63/60 patients; performance status (PS) 0/1/2, 44/74/5 patients and 50/69/4 patients; men/women, 103/20 patients and 96/27 patients, respectively. The median OS for the RT (n=121) and CRT (n=122) arms were 16.3 months (95% CI, 13.4–18.6) and 20.7 months (95% CI, 16.3–26.9), respectively (HR, 0.672; 95%CI, 0.502–0.898, stratified log-rank test one-sided p=0.0034). The pooled HR for PFS was 0.671 (95%CI, 0.514–0.875, stratified log-rank test one-sided p=0.0015). Response rates for the RT and CRT arms were 46.3% and 53.3%, respectively. The number of patients with grade 3/4 hematological toxicities was higher in the CRT arm than in the RT arm: leucopenia (62.2% vs 1.7%), neutropenia (54.6% vs none), and thrombocytopenia (30.3% vs 3.3%). The incidence of grade 3/4 pneumonitis decreased from 4.4% (JCOG9812; RT, 4.5% and CRT, 4.3%) to 2.1% (JCOG0301; RT, 3.1% and CRT, 1.0%), and that of late lung toxicity, from 14.0% (JCOG9812; RT, 10.0% and CRT, 17.4%) to 5.9% (JCOG0301; RT, 5.3% and CRT, 6.5%). The incidence of TRD also decreased from 8.9% (JCOG9812; RT, 1 patient and CRT, 3 patients) to 3.6% (JCOG0301; RT, 4 patients and CRT, 3 patients). As per subgroup analyses, ≤75 years, stage IIIA, male, PS 0, and smoking history were associated with statistically significant improvement in OS in the CRT arm.

      Conclusion
      This combination chemoradiotherapy for elderly patients with locally advanced NSCLC provides clinically significant benefits and RTQC measures are imperative to improve treatment outcome.

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    P2.09 - Poster Session 2 - Combined Modality (ID 213)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Combined Modality
    • Presentations: 1
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      P2.09-005 - Cisplatin, S-1 and concurrent thoracic radiotherapy for locally advanced non-small-cell lung cancer: A phase II study of Okayama Lung Cancer Study Group 0501 (ID 1202)

      09:30 - 09:30  |  Author(s): N. Nogami

      • Abstract

      Background
      Concurrent chemoradiotherapy is the standard treatment for locally advanced non-small-cell lung cancer (LA-NSCLC). However, its cure rate remains unsatisfied, and further improvement in the treatment outcome is strongly warranted. S-1 (S), an oral fluoropyrimidine, is a new active agent possessing a radio-sensitizing effect. Additionally, combining S and cisplatin (P) offered an active and safe regimen for metastatic non-small-cell lung cancer. The objective of this study was to assess the efficacy and safety of S plus P with concurrent thoracic radiotherapy (TRT) for LA-NSCLC.

      Methods
      Patients with stage IIIA/IIIB, aged ≤75 years and PS 0-1, and without any prior chemotherapy were eligible for this study. Patients were treated with P (40 mg/m² on day 1, 8, 29 and 36) and S (40 mg/m²/dose b.i.d. on days 1-14 and 29-42) and TRT (60 Gy/30 fr over 6 weeks starting on day 1). Primary endpoint was respsonse rate, and required sample size was 48 patients.

      Results
      Between 2006 and 2009, 48 patients were enrolled (37 men; median age, 66 years; PS 0/1, 36/14; IIIA/IIIB, 23/25; sq/non-sq, 22/26). Partial response was observed in 37 patients (77%; 95% confidence interval: 63-88%). At a median follow-up of 54 months for the surviving patients, median progression-free survival and median survival time were 9.3 months and 31.3 months, respectively. No difference in efficacy (response and survivals) was observed stratified by histology (sq vs. non-sq). Toxicities were generally mild, including G3/4 neutropenia (44%), G3/4 thrombocytopenia (13%), G3 febrile neutropenia (8%) and G3 pneumonitis (4%). No one developed Gr3/4 esophagitis. No toxic deaths have occurred.

      Conclusion
      This chemoradiotherapy regimen yielded a favorable overall survival data. Also, it was well-tolerated in patients with LA-NSCLC as compared with concurrent docetaxel plus P with TRT therapy especially in term of TRT-related toxicities.

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    P2.10 - Poster Session 2 - Chemotherapy (ID 207)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Medical Oncology
    • Presentations: 1
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      P2.10-023 - Feasibility study of pemetrexed (PEM) plus bevacizumab (BV) as the first-line treatment for elderly advanced or recurrent non-squamous (non-Sq) non-small cell lung cancer (NSCLC): TORG1015. (ID 1487)

      09:30 - 09:30  |  Author(s): N. Nogami

      • Abstract

      Background
      The addition of BV to cytotoxic agent(s) prolonged survival for non-Sq NSCLC patients (pts). However, there is no definitive evidence for the cytotoxic agent(s) plus BV is superior to the cytotoxic agent(s) alone for elderly non-Sq NSCLC. We conducted the feasibility study of PEM plus BV as the first-line treatment for elderly advanced or recurrent non-Sq NSCLC.

      Methods
      Major eligibility and exclusion criteria were followings; chemotherapy-naïve; unfit for bolus combination chemotherapy; stage III/IV or relapsed non-Sq NSCLC; age≥70; PS 0-1; no evidence of brain metastasis; no history of hemoptysis and irradiation for thorax. PEM (500mg/m[2]) and BV (15mg/kg) were administrated intravenously on day 1 every 3 weeks. The primary endpoint was toxicity and the secondary endpoints were objective response rate (ORR), progression-free survival (PFS), overall survival (OS), and the percentage of pts who completed more than 3 cycles.

      Results
      From November 2010 to April 2012, total 12 pts were enrolled. Patients characteristics were following; Male/Female=6/6; Median age (range) 78 (72-81); Histology was all adenocarcinoma; Activating EGFR mutation No/Yes/unknown=9/2/1; Stage IIIB/IV/Recurrence=2/8/2; ECOG PS 0/1=6/6; Smoking History Yes/No=6/6. Severe toxicities (Grade 3≥) were leukopenia (25%), neutropenia (25%), anemia (8%), thrombocytopenia (8%), febrile neutropenia (8%), anorexia (8%), hypertension (8%), fatigue (8%), nausea (8%), and perforation (colon) (8%). No dose-limiting toxicity and treatment-related death was occurred. Three patients achieved PR and the ORR was 25%. The median PFS and OS were 5.6 months (mo) (95% C.I. 1.1-7.9 mo) and 10.3 mo (95% C.I. 6.9-15.6 mo) in 11 evaluated pts, respectively. The 1-year survival rate was 49% (95% C.I. 12-79%). Seven of 12 pts (58%) received more than 3 cycles.

      Conclusion
      PEM plus BV as first-line treatment for elderly non-Sq NSCLC was well tolerable and promising.

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    P3.24 - Poster Session 3 - Supportive Care (ID 160)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Supportive Care
    • Presentations: 1
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      P3.24-014 - Multicenter study of zoledronic acid in lung cancer patients with bone metastasis. Thoracic Oncology Research Group (TORG) 1017. (ID 1043)

      09:30 - 09:30  |  Author(s): N. Nogami

      • Abstract

      Background
      Bone is the most frequent site of metastasis for lung cancer, and metastatic bone disease causes pain. Furthermore, bone metastasis may produce skeletal-related events (SREs) that greatly reduce quality of life and may even lead to death. Several guidelines have recommended use of bone-modifying agents (BMA) such as zoledronic acid (ZA) at the first diagnosis of bone metastases in patients with solid tumors, continued every 3-4 weeks as long as the patient is able to tolerate therapy or until evidence of a substantial decline in performance status. However, due to the risk of osteonecrosis of the jaw (ONJ) and a perceived lack of evidence for reduced SRE in lung cancer, some physicians have hesitated to administer ZA in lung cancer patients with bone metastasis. Therefore, the main objective of the present study was both to describe real world data of ZA and to compare SREs among previous reports.

      Methods
      All patients with non-small cell lung cancer (NSCLC) accompanied by metastatic bone disease (MBD) who were administered ZA at least twice from 12 hospitals in the TORG in Japan between January 2008 and December 2009 were eligible for inclusion in the study.

      Results
      A total of 198 consecutive patients (126 men, 72 women; median age, 64 years; range, 44-89 years) were identified. Histological type was as follows: adenocarcinoma (n=131, 66%); squamous cell carcinoma (n=30, 15%); and others (n=37, 19%). About two-thirds of patients experienced SRE before starting anti-cancer therapy. Median duration of ZA administration was 106 days (range, 28-1126 days), and median number of ZA administrations was four (range, 2-41). Median time to first SRE in patients who experienced SRE after treatment was 202 days (range, 156-264 days). No ONJ was reported from the 198 patients.

      Conclusion
      We found that ZA was not used sufficiently in clinical practice in Japan. Our data suggest that ONJ during the treatment of lung cancer patients is very rare, and ZA is potentially useful in lung patients with bone metastasis.