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H.J. West



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    OA16 - Improving the Quality of Lung Cancer Care - Patients Perspective (ID 399)

    • Event: WCLC 2016
    • Type: Oral Session
    • Track: Patient Support and Advocacy Groups
    • Presentations: 1
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      OA16.02 - Shared Decision Making (SDM) and Patient Decision Aids (PDAs) in Lung Cancer: Survey of Patients, Significant Others or Caregivers (Abstract under Embargo until December 4, 7:00 CET) (ID 4767)

      16:10 - 16:20  |  Author(s): H.J. West

      • Abstract
      • Presentation
      • Slides

      Background:
      Shared decision making (SDM) between the patient and their physicians is recognized as a desirable goal. When one treatment option is not clearly superior to another, PDAs can help present risks and benefits in a simple, visual format. Of the 600 plus validated PDAs, less than 60 of these are designed for cancer treatment decisions, and only 10 deal with lung cancer diagnosis or treatment (www.ohri.ca/decisionaid). A survey of lung cancer patients or their significant others/caregivers collected information regarding decision making experiences, and the perceived usefulness of PDAs.

      Methods:
      A survey (via SurveyMonkey) was sent to lung cancer patients/caregivers/significant others who had signed up for email communication from the Bonnie Addario Lung Cancer Foundation (ALCF), Global Resource for Advancing Cancer Education (GRACE), or the University of Colorado. The survey collected information regarding demographics, categorization of the difficult problem, and the sources of problems encountered during decision making. A PDA regarding prophylactic cranial irradiation (PCI) for limited small cell cancer was made available, and opinions were sought regarding the usefulness of this format.

      Results:
      190 responses were obtained (123 patients, 67 other). This was predominantly a well-educated, white, North American population, with advanced disease, with more women than men (75% vs 25%). 115 (61%) of respondents had faced a difficult decision, women more so than men. Decisions regarding systemic therapy were the most commonly perceived difficult decision (58%) and/or tests that were done/not done (34%). Sources of difficulty were identified as insufficient information (44%), or conflicting information or recommendations from their physicians (34%). The amount of information available was categorized as insufficient, just right, too much or difficult to know in 14%, 22%, 2%, 50%. Men were more likely to indicate that they had sufficient information, 39% vs 14%, p< 0.05. Most patients desired SDM, with only 9% expressing the desire to make the decision alone. However, 26% perceived that they had done so. Fortunately, only 8% of respondents expressed regret regarding their decision. Of 90 respondents who viewed the PCI PDA, 61% felt that this type of decision aid would have been helpful. There were no gender differences regarding opinions towards the PDA, the desire for SDM, or the perception that it had occurred.

      Conclusion:
      Lung cancer patients desire shared decision making. Improvements in this process are perceived as needed, possibly with PDAs.

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    P3.02c - Poster Session with Presenters Present (ID 472)

    • Event: WCLC 2016
    • Type: Poster Presenters Present
    • Track: Advanced NSCLC
    • Presentations: 1
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      P3.02c-038 - First-Line Atezolizumab plus Chemotherapy in Chemotherapy-Naïve Patients with Advanced NSCLC: A Phase III Clinical Program (ID 4956)

      14:30 - 14:30  |  Author(s): H.J. West

      • Abstract

      Background:
      First-line treatments for patients with advanced NSCLC include targeted therapies and platinum-based doublet chemotherapy±bevacizumab and/or pemetrexed. Although immunotherapies targeting the PD-L1/PD-1 pathway are available for advanced NSCLC beyond the first line, chemotherapy is a key first-line option for patients, despite poor survival outcomes, highlighting the need for additional treatment options. Atezolizumab, a monoclonal anti–PD-L1 antibody, inhibits the binding of PD-L1 to its receptors PD-1 and B7.1, restoring tumor-specific T-cell immunity. Clinical efficacy has been reported with atezolizumab monotherapy in patients with squamous and nonsquamous NSCLC, with a survival benefit observed across all PD-L1 expression levels. Additionally, Phase Ib data showed the potential for chemotherapy to further enhance responses to atezolizumab, with tolerable safety, in patients with NSCLC. Bevacizumab in combination with atezolizumab may enhance efficacy in non-squamous NSCLC by inhibiting VEGF-mediated immunosuppression. Four global, Phase III, randomized, open-label trials are evaluating atezolizumab+platinum-based chemotherapy±bevacizumab in chemotherapy-naive patients with stage IV NSCLC.

      Methods:
      Eligible patients must have stage IV NSCLC, measurable disease (RECIST v1.1) and ECOG PS 0-1 and be chemotherapy naive. Exclusion criteria include untreated CNS metastases, autoimmune disease and prior exposure to immunotherapy. Patients will be enrolled regardless of PD-L1 expression status. Patients randomized to the experimental arm will receive atezolizumab 1200 mg with standard platinum-based chemotherapy in IMpower130 and 131 and also ±bevacizumab in IMpower150 for four or six 21-day cycles, then maintenance with atezolizumab in IMpower130 and 131 and atezolizumab+bevacizumab in IMpower150. In IMpower132, experimental-arm patients will receive atezolizumab+platinum-based chemotherapy+pemetrexed, then maintenance with atezolizumab+pemetrexed. Patients receiving atezolizumab may continue until loss of clinical benefit. Co-primary endpoints are progression-free survival and overall survival. Secondary endpoints include objective response rate and safety. Evaluation of predictive biomarkers associated with efficacy will be performed.

      Trial IMpower130 IMpower131 IMpower132 IMpower150
      Histology Nonsquamous Squamous Nonsquamous Nonsquamous
      Planned enrollment(N) 650 1025 568 1200
      Experimental Atezolizuma +carboplatin +nab-paclitaxel Atezolizuma +carboplatin +paclitaxel or Atezolizumab +carboplatin +nab-paclitaxel Atezolizuma +carboplatin or cisplatin +pemetrexed Atezolizumab +carboplatin +paclitaxel or Atezolizumab +carboplatin +paclitaxel +bevacizumab
      Comparator Carboplatin +nab-paclitaxel Carboplatin +nab-paclitaxel Carboplatin or cisplatin +pemetrexed Carboplatin +paclitaxel +bevacizumab
      Stratification factors Sex Liver metastases Centrally assessed PD-L1 expression by IHC Sex Liver metastases Centrally assessed PD-L1 expression by IHC Sex ECOG PS Chemotherapy type (carboplatin vs cisplatin) Smoking status Sex Liver metastases Centrally assessed PD-L1 expression by IHC
      Identifier NCT02367781 NCT02367794 NCT02657434 NCT02366143
      ECOG PS, Eastern Cooperative Oncology Group performance status; IHC, immunohistochemistry.

      Results:
      Section not applicable

      Conclusion:
      Section not applicable