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Meredith Giuliani



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    MA18 - Modelling, Decision-Making and Population-Based Outcomes (ID 920)

    • Event: WCLC 2018
    • Type: Mini Oral Abstract Session
    • Track: Treatment in the Real World - Support, Survivorship, Systems Research
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/25/2018, 13:30 - 15:00, Room 201 F
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      MA18.07 - Awareness of the Harms of Continued Smoking Among Lung Cancer (LC) Survivors (ID 12024)

      14:05 - 14:10  |  Author(s): Meredith Giuliani

      • Abstract
      • Presentation
      • Slides

      Background

      Continued smoking after a LC diagnosis is associated with poorer cancer outcomes including increased risk of treatment-related side-effects, reduced treatment efficacy and poorer prognosis. Smoking cessation is an integral part of LC survivorship by improving both cancer and non-cancer outcomes. To enhance survivorship education, clinicians should understand patient awareness of the harms of continued smoking.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      LC survivors from Princess Margaret Cancer Centre, Toronto (2014-2017) were surveyed with respect to self-awareness of the harms of continued smoking on cancer-related outcomes. Univariable and multivariable logistic regression models assessed factors associated with awareness and whether awareness was associated with cessation among current smokers at diagnosis.

      4c3880bb027f159e801041b1021e88e8 Result

      Of 553 patients, 181 were lifetime never-smokers. Among those smoking during the peri-diagnosis period (n=177), 65% quit after diagnosis. Among all, few patients were aware that smoking negatively impacts treatment-related outcomes [complications from cancer surgery (only 41% aware), radiation side-effects (30%), quality-of-life on chemotherapy (44%) and treatment efficacy (36%)]; half were aware that smoking negatively impacts cancer prognosis (51% aware) and risk of developing second primaries (50%). Compared to ex-smokers/never-smokers at diagnosis, current smokers at diagnosis were less aware of the impact of smoking on radiation side-effects (22% vs 31% aware, P=0.01), prognosis (44% vs 55%, P=0.02) and risk of second primaries (42% vs 55%, P=0.007). Among sociodemographic variables, only those speaking English at home were consistently found more likely unaware that smoking negatively impacts these outcomes (ORs=1.52-2.20, P<0.04). Patients with early stage disease were more likely unaware that smoking negative impacts radiation side-effects (OR=1.60, 95%CI[1.09-2.35], P=0.02); while patients on curative treatment (OR=1.53[1.08-2.17], P=0.02) and those exposed to second-hand smoke (SHS) were more likely unaware that smoking impacts quality-of-life on chemotherapy (OR=1.64[1.05-2.58], P=0.03). Exposure to SHS, treatment intent and stage were not associated with awareness of impact on prognosis or second primaries (P>0.11). Among smokers in the peri-diagnosis period, awareness of the impact of smoking on surgical complications (aOR=2.09 [0.96-4.54], P=0.06), quality-of-life while receiving chemotherapy (aOR=2.60[1.17-5.79], P=0.02) and on treatment efficacy (aOR =2.24[0.97-5.20], P=0.06) were each associated with subsequent quitting, adjusted for marital status, pack-years, self-rated health and SHS exposure.

      8eea62084ca7e541d918e823422bd82e Conclusion

      Many LC patients are unaware of the harms of continued smoking on cancer outcomes, particularly those smoking at diagnosis. Awareness of some of these outcomes was associated with subsequent tobacco cessation. Patient education on the health benefits of smoking cessation may increase quit rates and improve outcomes for LC patients.

      6f8b794f3246b0c1e1780bb4d4d5dc53

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    MA23 - Early Stage Lung Cancer: Present and Future (ID 926)

    • Event: WCLC 2018
    • Type: Mini Oral Abstract Session
    • Track: Treatment of Early Stage/Localized Disease
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/26/2018, 10:30 - 12:00, Room 105
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      MA23.07 - Defining the Role of Adjuvant Therapy for Early Stage Large Cell Neuroendocrine Lung Cancer (ID 12814)

      11:10 - 11:15  |  Author(s): Meredith Giuliani

      • Abstract
      • Presentation
      • Slides

      Background

      Large cell neuroendocrine lung cancer (LC-NEC) is a rare, high-grade neuroendocrine tumor. Patterns of adjuvant treatment after surgical resection have not been well defined.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      Patients with a pathologic diagnosis of LC-NEC were identified in the National Cancer Database 2004-2014. Patient demographics, tumor and treatment characteristics were examined. Survival differences in patients receiving chemotherapy were evaluated using Kaplan-Meier curves, and multivariate hierarchical Cox models were constructed to evaluate the impact of patient, histologic, tumor, treatment and hospital characteristics on overall survival (OS). A conditional landmark of 90-day postoperative survival was used to address immortal time bias and propensity-matching was used to address imbalance in covariates between groups.

      4c3880bb027f159e801041b1021e88e8 Result

      1,793 patients were identified with pathologically stage I LC-NEC, of which 482 (26.9%) received adjuvant chemotherapy. Use of adjuvant chemotherapy remained similar across the study period. Patients receiving adjuvant chemo were younger, less comorbid and more likely to have T2 tumors. Significantly longer survival was observed with the receipt of adjuvant chemotherapy (5-year OS 59.2% vs. 45.3%), which persisted after adjustment in multivariable Cox models (HR 0.69, 95%CI0.58 – 0.82, p<0.0001). Adjuvant chemotherapy was associated with longer survival in patients with tumors 2-3cm (60.4% vs. 41.8%; HR 0.64, 95%CI 0.46-0.89, p<0.0001), and T2 tumors (59.8% vs. 42.1%; HR 0.63, 95%CI 0.50-0.81, p<0.0001), but no differences were observed for LC-NEC patients with tumor size <2cm. Adjuvant chest radiotherapy was not associated with improved survival. T-stage specific propensity-matching confirmed these findings, however the association between survival and adjuvant chemotherapy for patients with tumors 2-3cm was no longer significant.

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      8eea62084ca7e541d918e823422bd82e Conclusion

      In this national study of LC-NEC, adjuvant chemotherapy was associated with significantly longer survival in Stage I tumors greater than 2cm. Adjuvant radiation was not associated with survival. A randomized trial of stage T2-4N0 LCNEC is needed to clarify the role of adjuvant chemotherapy in this population.

      6f8b794f3246b0c1e1780bb4d4d5dc53

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    MS17 - Life After Lung Cancer: Survivorship (ID 796)

    • Event: WCLC 2018
    • Type: Mini Symposium
    • Track: Treatment in the Real World - Support, Survivorship, Systems Research
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/25/2018, 13:30 - 15:00, Room 206 AC
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      MS17.01 - Unmet needs and QOL of Lung Cancer Survivors (ID 11473)

      13:30 - 13:45  |  Presenting Author(s): Meredith Giuliani

      • Abstract
      • Presentation
      • Slides

      Abstract not provided

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