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Kazumi Nishino



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    EP1.14 - Targeted Therapy (ID 204)

    • Event: WCLC 2019
    • Type: E-Poster Viewing in the Exhibit Hall
    • Track: Targeted Therapy
    • Presentations: 1
    • Now Available
    • Moderators:
    • Coordinates: 9/08/2019, 08:00 - 18:00, Exhibit Hall
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      EP1.14-08 - Irreversible Severe Cardiotoxicities Except for QTc Interval Prolongation Associated with Osimertinib (Now Available) (ID 2255)

      08:00 - 18:00  |  Author(s): Kazumi Nishino

      • Abstract
      • Slides

      Background

      QTc interval prolongation is a known and warning cardiotoxicity associated with Osimertinib. The final summary on the safety profile of Osimertinib (AstraZeneca plc) reports that severe cardiotoxicities except for QTc interval prolongation are 0.8 % (29/3578 patients) and alerts us to such adverse events. Here, we report irreversible severe cardiotoxicities associated with Osimertinib except for QTc interval prolongation.

      Method

      We reviewed the medical records of EGFR-mutated Non-Small Cell Lung cancer patients who were treated with Osimertinib at Osaka International Cancer Institute between March 2016 and January 2019. We checked cardiotoxicities associated with Osimertinib based on the medical records.

      Result

      We enrolled 123 patients treated with Osimertinib into this study. The median age was 69 (range: 33-86) years. Of 123 patients, 40 (32.5%) were male, all cases except one were adenocarcinoma, EGFR mutation profile was Ex. 19 del/ L858R/ de novo T790M/ others(G719S, L861Q); 62 (50.4%)/ 56 (45.5%)/ 3/ 2. Osimertinib treatment line was 1st line; 23 (18.7%), 2nd line; 30 (24.4%), 3rd line; 18 (14.6%), ≧4th line; 41 (33.3%), 11 pts; switching from other EGFR-TKI during 1st line. Severe cardiotoxicities (CTC-AE Gr.3≧) were observed in 5 pts (4.1%); acute myocardinal infarction (1), irreversible congestive heart failure due to systolic dysfunction (1), exacerbation of tricupid regurgitation (1), decreasing ejection fraction (EF) (2). QTc interval prolongation was observed only in one patient (Gr.1). Histopathological analysis of a myocardial biopsy from one patient with decreased EF (Gr.3) revealed inflammatory cells infiltration into cardiomyocytes. Intriguingly, afatinib switched from osimertinib overcame osimertinib induced cardiomyopathy in the patient.

      Conclusion

      We experienced severe cardiotoxicities associated with Osimertinib at a higher frequency (4.1%) than reported before. Considering some patients were forced to quit their chemotherapy due to severe cardiotoxicities. We should pay attention to not only QTc interval prolongation but also other cardiotoxicities in administrating Osimertinib in the clinical setting. Afatinib could be an alternative to Osimertinib for overcoming Osimertinib-induced cardiotoxicities.

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    OA02 - A New Vision of Targets and Strategies (ID 120)

    • Event: WCLC 2019
    • Type: Oral Session
    • Track: Targeted Therapy
    • Presentations: 1
    • Now Available
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      OA02.06 - The Sequential Therapy of Crizotinib Followed by Alectinib: Real World Data of 840 Patients with NSCLC Harboring ALK-Rearrangement (WJOG9516L) (Now Available) (ID 2145)

      10:30 - 12:00  |  Author(s): Kazumi Nishino

      • Abstract
      • Presentation
      • Slides

      Background

      Previous clinical trials demonstrated that alectinib (ALEC) had a longer time-to-progression than crizotinib (CRZ) in 1st-line settings. Information on long-term overall survival (OS), however, is still limited with a few studies having reported that the sequential strategy of CRZ followed by other ALK-inhibitorcan provide extended OS. In Japan, ALEC was approved for a 1st-line setting earlier than in other countries.

      Method

      We reviewed the clinical data of ALK-rearranged NSCLC patients who received CRZ or ALEC between May 2012 and Dec 2016. Patients were divided into two groups according to the first-administered ALK inhibitor, the CRZ or ALEC group. In order to evaluate the efficacy of the sequential strategy of CRZ followed by ALEC, the combined time to treatment failure (TTF) was calculated in the CRZ group as defined by the sum of the TTF of CRZ plus the TTF of ALEC if patients were treated with ALEC followed by CRZ. In the ALEC group, the TTF of ALEC was calculated. The primary endpoint is the comparison between the combined TTF in the CRZ group with the TTF in the ALEC group.

      Result

      Of 864 patients enrolled from 61 institutions, 840 patients were analyzed. Median age was 61 (range, 20-94); 56% were female; and 95% had adenocarcinoma. There were 535/305 patients in the CRZ/ALEC group. In the CRZ group, 282 patients received ALEC after CRZ failure. The combined TTF in the CRZ group was significantly longer than TTF in the ALEC group; median, 34.4 vs 27.2 months (mo); hazard ratio (HR), 0.709 [95%CI;0.559- 0.899]; P=0.0044. However, there was no significant difference in OS between the patients who received ALEC after CRZ in the CRZ group and the patients in the ALEC group; median, 88.4 months vs. not reached; HR 1.048 [95%CI;0.758-1.451]; P=0.7770. In the whole population, the CRZ group had a significantly shorter OS than the ALEC group; median, 53.6 mo vs not reached HR, 1.821 [95%CI;1.372-2.415]; P<0.0001.

      Conclusion

      The combined TTF in the CRZ group was significantly longer than TTF in the ALEC group, however, OS benefit of sequential therapy of CRZ followed by ALEC was not shown.

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    P1.01 - Advanced NSCLC (ID 158)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Advanced NSCLC
    • Presentations: 1
    • Now Available
    • Moderators:
    • Coordinates: 9/08/2019, 09:45 - 18:00, Exhibit Hall
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      P1.01-57 - Association of Initial PD-L1 Expression with T790M-Acquired Resistance in Advanced EGFR-Mutant Lung Adenocarcinoma Patients (Now Available) (ID 716)

      09:45 - 18:00  |  Presenting Author(s): Kazumi Nishino

      • Abstract
      • Slides

      Background

      The primary objective was to investigate the association between initial programmed cell death-ligand 1 (PD-L1) expression levels and the frequency of T790M-acquired resistance to epidermal growth factor receptor (EGFR)-tyrosine kinase Inhibitor (TKI) in patients with advanced EGFR-mutant lung adenocarcinoma.

      Method

      We examined patients with advanced EGFR-mutant lung adenocarcinoma whose initial PD-L1 expression levels and T790M-acquired mutation status after EGFR-TKI failure (gefitinib, erlotinib or afatinib) could be evaluated. We retrospectively investigated the patients’ characteristics and survival, as well as the association between initial PD-L1 expression levels and frequency of T790M-acquired resistance

      Result

      Overall, 100 patients were enrolled. Nine (9%) patients had an initial PD-L1 tumor proportion score (TPS) of ≥50%, 19(19%) had PD-L1 TPS of 1%-49%, and 72 (72%) had PD-L1 TPS of <1%. T790M-acquired mutation (T790M+) was identified in 57 (57%) patients. Initial PD-L1 expression levels were not associated with the frequency of T790M-acquired mutations in patients (p=0.822). Positive PD-L1 expression (PD-L1+) was associated with lower OS compared with negative PD-L1 expression (PD-L1-) (median overall survival [OS], 40.3 vs 74.3 months, p=0.0053). Furthermore, T790M+ was associated with longer OS compared with T790M- in total and PD-L1- population (total: median OS, 74.3 vs 41.3 months, p=0.0154, PD-L1-: median OS, 82.0 vs 41.2 months, p=0.00412), but not in PD-L1+ population (median OS, 36.2 vs 46.2 months, p=0.792). Among 57 patients with T790M-aquired mutation, 49 received osimertinib treatment. The estimated median progression-free survival rate of osimertinib was 13.2 months in PD-L1- patients (n=37) and 6.9 months in PD-L1+ patients (n=12) (p=0.224).

      Conclusion

      There was no association between initial PD-L1 expression levels and the frequency of T790M-aquired mutations in patients. However, PD-L1+ expression levels in patients with treatment-naïve advanced EGFR-mutant lung adenocarcinoma predicted poorer outcomes. Intriguingly, T790M-aquired mutations were related to longer OS in PD-L1- patients, but not in PD-L1+. Thus, for patients with T790M-acquired mutant and initial PD-L1 positive lung adenocarcinoma in whom the use of osimertinib is indicated, other treatment options should be considered without hesitation if the treatment effects are not as expected.

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    P1.04 - Immuno-oncology (ID 164)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Immuno-oncology
    • Presentations: 2
    • Moderators:
    • Coordinates: 9/08/2019, 09:45 - 18:00, Exhibit Hall
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      P1.04-62 - Nomogram Based on Multivariable Regression Model Estimates the Overall Survival of Nivolumab for Previously Treated Advanced NSCLC (ID 2231)

      09:45 - 18:00  |  Author(s): Kazumi Nishino

      • Abstract

      Background

      Nivolumab (Nivo) has demonstrated with its efficacy against metastatic non-small cell lung cancer (NSCLC). However, it has been also reported that Nivo does not show beneficial effects in approximately 80% of patients. The predictive ability of biomarkers still is yet unclear; thus identifying biomarkers which better predict overall survival (OS) of such patients treated with Nivo is crucial. In this study, we conducted multivariable cox regression analysis including biomarkers and clinical factors measured at the time of initiating treatment with Nivo to assess predictive ability of OS of patients. Results of the multivariable analysis were elucidated with a nomogram which estimates the OS of Nivo in previously treated patients with advanced NSCLC.

      Method

      In this study, data for 201 patients treated with nivolumab during 17 December 2015 to 31 July 2016 at three respiratory medical centers in Japan were retrospectively reviewed. We collected clinical data at the time of nivolumab treatment commencement, and we evaluated two programmed cell death ligand 1 (PD-L1) immunohistochemistry (IHC) assay systems (22C3 and 28-8).

      Result

      The median age at the time of administration nivolumab was 68 years, 135 patients were male, 157 patients had a smoking history, and 152 patients had a performance status (PS) score of 0–1. 39 patients had EGFR (37) or ALK (2) mutation positive. For 22C3 and 28-8, 36.3% and 36.8% of patients were negative, 17.4% and 14.4% had PD-L1 status of 1-49%, and 11.9% and 14.9% had PD-L1 status of ≥50%, 34.3% and 33.8% had PD-L1 status of missing, respectively. Kendall’s rank correlation coefficient between 22C3 and 28-8 was 0.8414. The median OS of all patients was 333 (95% confidence interval (CI): 116-520) days. In the multivariate analysis, PS score ≥2 (hazard ratio (HR): 2.23; 95%CI: 1.36-3.66 p<0.001), high LDH level at baseline (HR: 1.13 95%CI: 1.03-1.24; p=0.008, and progression disease (PD) of pre-treatment response (HR: 3.64 95%CI: 2.29-5.79 p<0.001) were significantly associated with poor OS. There was not significant distance between PD-L1 status and OS of Nivo. Based on these analyses, we created the nomogram to estimate the OS of Nivo in previously treated patients with advanced NSCLC.

      Conclusion

      PS score ≥2, high LDH levels at baseline, and PD of pre-treatment response were predictive of poor OS of Nivo, moreover the nomogram might be useful to estimate the OS of Nivo in previously treated patients with advanced NSCLC. (UMIN-ID: UMIN000025908)

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      P1.04-77 - Efficacy of Anti-PD-1/L1 Therapy for Advanced Non-Small Cell Lung Cancer with Preexisting Autoimmune Markers (ID 1001)

      09:45 - 18:00  |  Author(s): Kazumi Nishino

      • Abstract
      • Slides

      Background

      Targeting therapies against the programmed cell death protein-1/ligand 1 (PD-1/L1) pathway has become a standard for patients with advanced non-small cell lung cancer (NSCLC). However, most clinical trials have not evaluated its safety and efficacy in patients with autoimmune diseases or with preexisting autoantibodies. Antinuclear antibodies (ANAs) are a spectrum of autoantibodies that target various nuclear and cytoplasmic components of the cells. Rheumatoid factors (RFs) are antibodies (immunoglobulin M) that react with immunoglobulin G. They are usually used as serological markers for autoimmune diseases. Recently, the relationship between these antibodies and some types of cancers has been identified, suggesting that autoantibodies might be associated with carcinogenesis and represent a state of pre-autoimmunity. Preexisting autoantibodies have been reported to be a surrogate marker of the efficacy of immunotherapy, but the trend is different by reporting.

      Method

      To examine the effects of preexisting autoantibodies in anti-PD-1/L1 therapy, clinical data including ANAs and RF were reviewed retrospectively in patients with advanced NSCLC who received monotherapy with a PD-1/L1 inhibitor. Survival outcome was estimated with the Kaplan-Meier method and was compared between patient groups with the log-rank test.

      Result

      In this retrospective analysis, we evaluated 275 patients with advanced NSCLC who received nivolumab, pembrolizumab or atezolizumab monotherapy, at Osaka International Cancer Institute in Japan between December 2015 and December 2017. The median age was 68 (range 27 to 80 years). 199 were men. ANAs were analyzed in 176 of 275 (64%) patients, and RF were analyzed in 161(56%). 68 of 176 (38.6%) were positive for ANAs (more than 1:40 serum dilution) and 21 of 161(13%) were positive for RF (more than 15IU/ml). None of the patients had active symptoms of an autoimmune disease. The median Time to Treatment Failure (TTF) was significantly shorter in patients positive for RF, 1.9 (95%CI, 0.5-2.9) months, than in those without RF, 3.5 (95%CI, 2.0-4.3) months. No significant differences in Overall Survival (OS) (12.5 versus 19.8 months) were observed between patients with or without RF, but OS in patients positive for RF tended to be shorter. Although no significant differences in OS (21.1 versus 19.4 months) and TTF (3.6 versus 2.8 months) were observed between patients with or without preexisting ANAs, OS in patients strongly positive (more than 1:160 serum dilution) for ANAs tended to be shorter compared to mildly positive patients (1:40, 1:80 serum dilution) (22.2 versus 12.7 months).

      Conclusion

      The presence of preexisting RFs may be a factor for poor prognosis in NSCLC patients undergoing anti PD-1/L1 therapy. There was no significant difference between patients with and without ANAs, but high titer of ANAs may be a factor in poor OS.

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    P2.14 - Targeted Therapy (ID 183)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Targeted Therapy
    • Presentations: 1
    • Now Available
    • Moderators:
    • Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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      P2.14-23 - Initial Analysis in NSCLC Part of Randomized Trial Evaluating Topical Corticosteroid for the Facial Acneiform Rash by EGFR Inhibitors (Now Available) (ID 551)

      10:15 - 18:15  |  Author(s): Kazumi Nishino

      • Abstract
      • Slides

      Background

      Epidermal growth factor receptor (EGFR) inhibitors commonly induce skin toxicities including facial acneiform rash. The incidence of facial acneiform rash with any grade estimetes 60-90% in previous clinical trials. This FAEISS study, NCCH1512, is designed to evaluate the effects of reactive topical corticosteroid therapies with serially ranking down from very strong levels compared with that with serially ranking up from weak levels for facial acneiform rash induced by EGFR inhibitors.

      Method

      Patients with EGFR-mutated non-small cell lung cancer (NSCLC) and RAS wild-type colorectal cancer who started treatment with EGFR inhibitors were enrolled first in this study (first-phase). All patients received pre-emptive therapy of oral minocycline 100 mg/day and heparinoid moisturizer from the initiation of EGFR inhibitors. Enrolled patients who developed facial acneiform rash within two weeks were randomised either to group A (ranking-up) and group B (ranking-down) (second-phase) by minimization method for balancing institution, type of EGFR inhibitors, and sex. Primary endpoint in this study was incidence of grade 2 (moderate) or higher facial acneiform rash during the 10-week skin treatment period. Here, we present the initial analysis in NSCLC patients who received EGFR tyrosine kinase inhibitors of afatinib and erlotinib. This study was registered with UMIN-CTR as UMIN000024113 (www.umin.ac.jp/ctr/).

      Result

      From November 2016 to August 2018, 51 NSCLC patients treated with afatinib (n=30) and erlotinib (n=21) were enrolled in first-phase. Thirty four patients were female and 17 were male, with a median age of 66 years (range 39-79). Thirty five patients (68.6%) didn’t develop facial acneiform rash within two weeks. While facial acneiform rash occurred in 16 patients (grade 1 [n=14, 27.4%] and grade 2 [n=2, 3.9%]). No patients developed severe facial acneiform rash (grade 3 or higher). Nine (30.0%) patients who received afatinib and seven (33.3%) who received erlotinib developed facial acneiform rash within two weeks. One patient treated with erlotinib was excluded due to hepatotoxicity by minocycline and 15 (29.4%) were assigned to second-phase (9 in group A and 6 in group B). Skin adverse events in second-phase (n=15) were non-facial acneiform rash (n=14), pruritus (n=8), paronychia (n=5), and dry skin (n=3). Major non-skin adverse events related to EGFR inhibitors were diarrhea (grade 3 [n=2]), ALT increased (grade 2 [n=2]), stomatitis (grade 3 [n=1]), and pneumonitis (grade 1 [n=1]).

      Conclusion

      In NSCLC patients who received EGFR tyrosine kinase inhibitors, pre-emptive therapy of oral minocycline and heparinoid moisturizer could be effective for prevention of facial acneiform rash.

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    P2.16 - Treatment in the Real World - Support, Survivorship, Systems Research (ID 187)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Treatment in the Real World - Support, Survivorship, Systems Research
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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      P2.16-19 - Real World Data in Non-Small Cell Lung Cancer with Activating EGFR Mutation - A Multicenter Observational Study (ID 689)

      10:15 - 18:15  |  Author(s): Kazumi Nishino

      • Abstract

      Background

      Osimertinib demonstrated durable responses in patients with advanced non-small cell lung cancer (NSCLC) harboring major epidermal growth factor receptor (EGFR) mutations (EGFRm+) and T790M resistance mutation (T790M+) in global trials, and approved in March 2016 in Japan. The best treatment strategy of EGFR tyrosine kinase inhibitors (TKIs), especially osimertinib, cytotoxic drugs, and immune checkpoint inhibitors (ICIs) is unknown.

      Method

      To evaluate treatment selection with special attention to osimertinib, medical records of the patients with advanced EGFRm+ NSCLC who were under treatments at May 2016 or started a new treatment after May 2016 were collected.

      Result

      A total of 543 patients were collected. Median age 69 years (range: 35 to 90); female 67%; never smokers 60%; adenocarcinoma 99%; major EGFR mutations 94%; interstitial lung diseases (ILD) 5%. The first line regimen was started between September 2002 and August 2018. The median total number of regimens was 2 (range: 1 to 13). EGFR-TKIs were administered to all patients, and were rechallenged in 56%; 42% received platinum combination regimens. The median overall survival and the median duration of EGFR-TKI treatments were 85 and 40 months, respectively. Re-biopsy was performed 1 to 6 times for 296 patients, T790M was detected in 47% of them. Osimertinib were used in 167 patients including 7 patients in whom an 1st EGFR-TKI was switched to osimertinib without PD. The median treatment line of osimertinib was 3 (range: 1 to 10), the response rate and the disease control rate of osimetinib was 44% and 71%, respectively, and the median time to treatment failure (TTF) was 13 months while 52% were censored. Osimertinib-induced ILD developed in 4 patients, and one patient died. Sixty-two patients received once or twice ICI treatments: nivolumab, pembrolizumab, and atezolizumab were administered to 38, 19 and 7 patients, respectively. The ICIs-induced ILD developed in 1 patient with nivolumab. The median TTF of ICIs was 2.3 months (range: 0 to 29), the response rate and the disease control rate were 14% and 53%, respectively, and 9% could continue ICI for one year or more.

      Conclusion

      Re-biopsy was performed in 55%, and T790M was detected in 47%. In T790M+ including de novo T790M+ patients, osimertinib was used in 94%. Although this analysis has some limitations especially in patient selection, long-term survivors received platinum combination regimens, other cytotoxic drugs, and ICIs in addition to EGFR-TKIs.