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Shun Lu



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    JCSE01 - Joint IASLC-CSCO-CAALC Session (ID 63)

    • Event: WCLC 2019
    • Type: Joint IASLC-CSCO-CAALC Session
    • Track:
    • Presentations: 1
    • Now Available
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      JCSE01.13 - Discussant Poster Abstracts (Now Available) (ID 3427)

      07:00 - 11:15  |  Presenting Author(s): Shun Lu

      • Abstract
      • Presentation
      • Slides

      Abstract not provided

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    MA09 - EGFR & MET (ID 128)

    • Event: WCLC 2019
    • Type: Mini Oral Session
    • Track: Targeted Therapy
    • Presentations: 1
    • Now Available
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      MA09.09 - Long-Term Outcomes to Tepotinib Plus Gefitinib in Patients with <i>EGFR</i>-Mutant NSCLC and MET Dysregulation: 18‑Month Follow-Up (Now Available) (ID 1783)

      15:15 - 16:45  |  Author(s): Shun Lu

      • Abstract
      • Presentation
      • Slides

      Background

      In EGFR-mutant NSCLC, MET amplification may cause resistance to EGFR tyrosine kinase inhibitors (TKIs). In a Phase Ib/II study in EGFR TKI-resistant patients with EGFR-mutant MET+ NSCLC, progression-free survival (PFS) and objective response rate (ORR) after ≥6 months of follow-up were improved with tepotinib (a highly selective MET TKI) plus gefitinib, compared with chemotherapy, particularly in patients with MET amplification. Here we present data at ≥18 months of follow-up.

      Method

      Asian patients with advanced, EGFR+, T790M-, MET+ NSCLC with resistance to prior EGFR TKIs were randomized to receive oral tepotinib 500 mg/day+gefitinib 250 mg/day or ≤6 cycles of cisplatin/carboplatin+pemetrexed chemotherapy±pemetrexed maintenance until confirmed progression, unacceptable toxicity, or withdrawal. Primary endpoint was investigator-assessed PFS. Secondary endpoints included ORR, overall survival (OS) and safety. Subgroup analyses were preplanned in MET IHC3+ and MET amplification populations (NCT01982955).

      Result

      Low recruitment halted full enrolment with 55 of 156 planned patients enrolled.

      As of 12-Dec-2018, median (range) duration of treatment with tepotinib+gefitinib was 21.4 (4.6, 110.9) weeks, with 3 patients still receiving treatment; and with pemetrexed was 18.0 (3.0, 60.4) weeks. 15 patients (62.5%) received ≥4 cisplatin/carboplatin cycles.

      Better outcomes were reported with tepotinib+gefitinib vs chemotherapy (Table), particularly in patients with MET IHC3+ (PFS: HR 0.35 [90% CI 0.17–0.74], OS: 0.32 [0.14–0.75]) or MET amplification (PFS: HR 0.13 [90% CI 0.04–0.43], OS: 0.08 [0.01–0.51]).

      Drug-related grade ≥3 adverse events (AEs) occurred in 17 (54.8%) patients receiving tepotinib+gefitinib and 12 (52.2%) patients receiving chemotherapy. Any-cause AEs leading to discontinuation occurred in 3 (9.7%) patients receiving tepotinib+gefitinib and 1 (4.3%) receiving chemotherapy. Dose reductions due to AEs were reported in 5 (16.1%) vs 4 (17.4%) patients.

      Conclusion

      Tepotinib+gefitinib has durable antitumor activity in patients with EGFR-mutant NSCLC with MET IHC3+ or MET amplification, and was generally well tolerated. MET amplification will be further explored as a biomarker for tepotinib.

      Table: Summary of efficacy data

      Population

      Tepotinib + gefitinib

      Chemotherapy

      HR/OR
      (90% CI)

      Overall MET+*

      Patients, n

      31

      24

      mPFS, months (90% CI)

      4.9 (3.9, 6.9)

      4.4 (4.2, 6.8)

      0.67 (0.35, 1.28)

      mOS, months (90% CI)

      17.3 (12.1, 37.3)

      18.7 (15.9, 20.7)

      0.67 (0.33, 1.37)

      ORR, n (%) [90% CI]

      14 (45.2) [29.7, 61.3]

      8 (33.3) [17.8, 52.1]

      1.99 (0.56, 6.87)

      MET IHC3+

      Patients, n

      19

      15

      mPFS, months (90% CI)

      8.3 (4.1, 21.2)

      4.4 (4.1, 6.8)

      0.35 (0.17, 0.74)

      mOS, months (90% CI)

      37.3 (24.2, 37.3)

      17.9 (12.0, 20.7)

      0.32 (0.14, 0.78)

      ORR, n (%) [90% CI]

      13 (68.4) [47.0, 85.3]

      5 (33.3) [14.2, 57.7]

      4.33 (1.03, 18.33)

      MET amplification

      Patients, n

      12

      7

      mPFS, months (90% CI)

      21.2 (8.3, NE)

      4.2 (1.4, 7.0)

      0.13 (0.04, 0.43)

      mOS, months (90% CI)

      37.3 (NE, NE)

      13.1 (3.3, NE)

      0.08 (0.01, 0.51)

      ORR, n (%) [90% CI]

      8 (66.7) [39.1, 87.7]

      3 (42.9) [12.9, 77.5]

      2.67 (0.37, 19.56)

      CEP-7, centromere protein 7; CI, confidence interval; EGFR, epidermal growth factor receptor; GCN, gene copy number; HR, hazard ratio; IHC, immunohistochemistry; IRC, independent review committee; ITT, intention to treat; MET, mesenchymal-epithelial transition factor; NE, not estimable; OR, odds ratio; ORR, objective response rate; OS, overall survival; PFS, progression-free survival

      All efficacy outcomes are investigator-assessed by RECIST v1.1.

      *IHC2+/IHC3+/gene amplification.

      MET amplification is defined as GCN ≥5 and/or MET/CEP-7 ratio ≥2. 17 of 19 patients with MET amplification have MET overexpression (IHC3+).

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    MA14 - The Adequate MTarget Is Still the Issue (ID 140)

    • Event: WCLC 2019
    • Type: Mini Oral Session
    • Track: Advanced NSCLC
    • Presentations: 1
    • Now Available
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      MA14.05 - A Randomized Phase III Trial of Fruquintinib Versus Placebo in Patients with Advanced Non-Small Cell Lung Cancer (FALUCA) (Now Available) (ID 1490)

      15:45 - 17:15  |  Presenting Author(s): Shun Lu

      • Abstract
      • Presentation
      • Slides

      Background

      Fruquintinib, an orally active kinase inhibitor that selectively targets vascular endothelial growth factor (VEGF) receptor, demonstrated significant benefit in progression-free survival and disease control in a randomized Phase II study in patients with non-small-cell lung cancer (NSCLC) who had failed two lines of chemotherapy. This Phase III FALUCA trial is a randomized, double-blind, placebo-controlled, multicenter trial designed to confirm the efficacy in the same patient population (NCT02691299).

      Method

      From December 2015 to February 2018, 45 clinical centers across China participated in the trial. A total of 730 patients aged 18-75 with advanced NSCLC who had failed two lines of chemotherapy were screened and 527 who met the eligibility criteria were enrolled into the study. Patients were stratified based on epidermal growth factor receptor mutation status and prior use of VEGF inhibitor therapy, and were randomized in a 2:1 ratio to receive fruquintinib (n=354) or placebo (n=173) once daily in a 3 weeks on/1 week off 4-week cycle. The primary end point was overall survival (OS). Secondary end points included progression-free survival (PFS), objective response rate (ORR), disease control rate (DCR), duration of response. The final data cutoff was on September 21, 2018.

      Result

      Median OS was 8.94 months for fruquintinib and 10.38 months for placebo (hazard ratio, 1.02; 95% CI, 0.816 to 1.283; p=0.841). Median PFS was 3.68 months for fruquintinib comparing to 0.99 months for placebo, respectively (hazard ratio, 0.34; 95%CI, 0.279 to 0.425; p<0.001). The ORR and DCR were 13.8% and 66.7% for fruquintinib, compared with 0.6% and 24.9% for placebo (both p<0.001), respectively. The most frequent treatment-emergent adverse events with fruquintinib (≥grade 3) were hypertension (20.7%), hand-foot syndrome (11.0%), and proteinuria (1.4%). A sensitivity analysis revealed that median OS was significantly prolonged with fruquintinib compared with placebo in patients who received no subsequent systemic anti-tumor therapies (7.00 months versus 5.06 months ; hazard ratio, 0.64; 95%CI, 0.453 to 0.903; p=0.010).

      Conclusion

      The FALUCA trial failed to meet the primary end point of OS while confirming significant benefit in secondary end points including PFS, ORR and DCR. The safety profile of fruquintinib in this patient population was acceptable and consistent with that identified in the Phase II study. A post-hoc sensitivity analysis revealed that the anti-tumor therapies that patients received post disease progression probably contributed to the failure of this study on the primary end point.

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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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      OA02.03 - The Third Generation EGFR Inhibitor (EGFR-TKI) HS-10296 in Advanced NSCLC Patients with Resistance to First Generation EGFR-TKI (Now Available) (ID 766)

      10:30 - 12:00  |  Presenting Author(s): Shun Lu

      • Abstract
      • Presentation
      • Slides

      Background

      HS-10296 is an oral, potent, high selective third generation EGFR tyrosine-kinase inhibitor (EGFR-TKI) for sensitizing mutations, and the EGFR Thr790Met (T790M) resistance mutation which has been demonstrated by phase I study. This phase II, open-label, multicenter single-arm study was designed to confirm the efficacy and safety of HS-10296 in a large population of non-small-cell lung cancer (NSCLC) patients with EGFR T790M mutation, who had progressed after first generation EGFR-TKI treatment.

      Method

      Patients aged at least 18 years with centrally confirmed EGFR T790M-positive mutations, locally advanced or metastatic (stage IIIB/IV) NSCLC after first generation EGFR-TKI treatment received HS-10296 110 mg orally once daily until disease progression, or intolerable toxicity, or patient withdrawal. Patients with asymptomatic, stable brain metastases not requiring steroids were allowed to enroll. The primary endpoint was the objective response rate (ORR) by independent central review using Response Evaluation Criteria in Solid Tumors, version 1.1 every 6 weeks. Response endpoints (ORR and disease control rate [DCR]) were assessed in response analysis set. Secondary end points including progression-free survival (PFS), duration of response (DoR), depth of response (DepOR), overall survival (OS) and safety were evaluated in full analysis set. The final data cutoff was on Jan 5, 2019. The study is still ongoing.

      Result

      Totally, 244 patients (median age 60.8) entered study in 36 sites in mainland China (189 patients) and Taiwan (55 patients) between May 16, 2018 to Oct 23, 2018. 2 patients were excluded from the evaluable for response analysis set (n=242) due to absence of measurable disease at baseline by independent central review. At data cutoff, 182 (74.6%) patients remained on treatment. The median duration of follow-up was 4.7 months. 160 of 242 patients achieved confirmed partial responses by independent central review. The ORR was 66.1% (95% CI: 59.8-72.1). The DCR was 93.4% (95% CI: 89.5-96.2). The most common adverse reactions (≥ 10%) were blood creatine phosphokinase increased (43 [17.6%]), aspartate aminotransferase increased (29 [11.9%]), pruritus (28 [11.5%]), rash (28 [11.5%]) and alanine aminotransferase increased (26 [10.7%]). The most common all-causality grade 3 and 4 adverse events were blood creatine phosphokinase increased (14 [5.7%]) and hyponatraemia (4 [1.6%]). Serious adverse events were reported in 30 (12.3%) patients, of which 19 (7.8%) were investigator assessed as possibly treatment-related to HS-10296. Three deaths were due to adverse events; one was related to cardiopulmonary failure, other two events occurred after disease progression. There was no interstitial lung disease during study treatment.

      Conclusion

      HS-10296 has demonstrated good clinical benefit with minimal toxicity in patients with EGFR T790M-positive NSCLC patients who have progressed after first generation EGFR-TKI treatment. The Phase III study has already launched comparing HS-10296 with gefinitib in advanced NSCLC patients with EGFR sensitizing mutations. (The study was sponsored by Jiangsu Hansoh Pharmaceutical Co., Ltd.; ClinicalTrials.gov number, NCT02981108)

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    P1.14 - Targeted Therapy (ID 182)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Targeted Therapy
    • Presentations: 1
    • Now Available
    • Moderators:
    • Coordinates: 9/08/2019, 09:45 - 18:00, Exhibit Hall
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      P1.14-11 - A Prospective Multicenter Study of Target-Capture Deep Sequencing in Paired Tissue and ctDNA to Guide EGFR-Mutated Lung Cancer Treatment (Now Available) (ID 1542)

      09:45 - 18:00  |  Presenting Author(s): Shun Lu

      • Abstract
      • Slides

      Background

      TKIs have significantly improved the survival of NSCLC pts carrying sensitive mutations. However, heterozygous responses were observed. We conducted a prospective multicenter clinical trial to explore factors associated with the efficacy of EGFR-TKI, and assess the mutation and TMB concordance between plasma and tissue NGS.

      Method

      Paired tumor and plasma samples were obtained from treatment naïve advanced NSCLC pts whenever applicable. DNA was sequenced by target-capture deep sequencing of 1021 tumor-related genes (pan-cancer panel). PFS was estimated using Kaplan-Meier method and compared using log-rank test. Tissue TMB (tTMB) and plasma TMB (bTMB) analysis interrogated SNVs/Indels with VAF ≥3 % and ≥0.5 %, respectively. TMB-H pts were identified with ≥9 muts/Mb.

      Result

      From Feb. 2017 to Jan. 2019, 262 advanced NSCLC pts were enrolled from 12 centers. In 224 pts with paired tumor and plasma samples, 144 had EGFR sensitive mutations in tumor samples (L858R, 46%; Ex19Indel, 42%), of whom, 106 (74%) had the identical mutations detected in plasma. The detection rate of tissue EGFR mutations in paired plasma was significantly higher in pts with extrathoracic metastasis (81% vs. 61%, p = 0.03). In 38 pts lacking paired samples, 20 pts had EGFR sensitive mutations detected. Thus, 164 pts were identified as EGFR positive by either plasma or tissue NGS. One hundred of them were treated EGFR TKIs (ORR: 70%, mPFS: 20 mo). The ORR was affected by EGFR subtypes (Ex19Indel vs. L858R: 72% vs. 45%, p = 0.02), concomitant CNV/fusion (with vs. without: 11% vs. 68%, p = 0.002) and CDKN2A mutations (with vs. without: 0% vs. 66%, p = 0.007). Mutations in p53 pathway (p = 0.02), CDK12/13 (p = 0.0002), concomitant CNV/fusion (p = 0.003), and high number of alterations (≥ 5) (p = 0.003) significantly shortened mPFS. tTMB was correlated with bTMB (rPearson = 0.9, p < 0.0001), with a concordance rate of 90% for TMB-H and TMB-L classification. Interestingly, 9.8% of the EGFR positive pts were bTMB-H, and mPFS was shorter in bTMB-H pts (6 mo, 95% CI: 5 - NR) than in bTMB-L pts (NR, 95%: 13 - NR) (p = 0.2).

      Conclusion

      Deep sequencing with the pan-cancer panel effectively detected mutations and evaluated TMB in both tissue and plasma with a high consistence. Moreover, the presence of structure variation, high tumor heterogeneity and concomitant mutations in genes such as CDKN2A were associated with worse prognosis. Further studies of predictive factors are ongoing (NCT03059641).

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    P2.01 - Advanced NSCLC (ID 159)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Advanced NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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      P2.01-02 - CANOPY-A: A Phase 3 Study of Canakinumab as Adjuvant Therapy in Patients with Surgically Resected NSCLC (ID 1569)

      10:15 - 18:15  |  Author(s): Shun Lu

      • Abstract

      Background

      Overexpression of interleukin (IL)-1β has been described in solid tumors, including lung. IL-1β can promote angiogenesis, tumor invasiveness, and induces tumor-associated immunosuppression through myeloid-derived suppressor cell (MDSC) accumulation in tumors. Pre-clinical data has shown that IL-1β inhibition reduced tumor growth, by limiting pro-tumorigenic inflammation and polarization of MDSCs into M1 phenotype. Canakinumab is a human monoclonal antibody with high affinity and specificity for IL-1β. Recently, it was found that canakinumab was associated with a significant and dose-dependent reduction in incidence and mortality from lung cancer based on CANTOS study.

      Method

      CANOPY-A (NCT03447769) is a phase III, randomized, double-blind, placebo-controlled study designed to evaluate efficacy and safety of adjuvant canakinumab versus placebo in patients with surgically resected NSCLC. This trial will enroll adult patients, with completely resected (R0) AJCC/UICC v.8 stages II-IIIA and IIIB (T >5 cm and N2) NSCLC, who have completed standard-of-care adjuvant treatments, including cisplatin-based chemotherapy and mediastinal radiation therapy (if applicable). Prior treatment with neoadjuvant chemotherapy or neoadjuvant radiotherapy is not permitted. Approximately 1500 patients will be randomized 1:1 to receive canakinumab (200 mg Q3W, s.c) or placebo (Q3W, s.c.) for 18 cycles or until disease recurrence, unacceptable toxicity, treatment discontinuation at the discretion of the investigator or patient, death, or loss to follow-up. Randomization will be stratified by AJCC/UICC v.8 stage, tumor histology, and region. The primary objective is disease-free survival, per investigator assessment. Secondary objectives include overall survival (key secondary objective), lung cancer-specific survival, safety, pharmacokinetics and immunogenicity of canakinumab, and patient-reported outcomes. Enrollment is ongoing.CANOPY-A (NCT03447769) is a phase III, randomized, double-blind, placebo-controlled study designed to evaluate efficacy and safety of adjuvant canakinumab versus placebo in patients with surgically resected NSCLC. This trial will enroll adult patients, with completely resected (R0) AJCC/UICC v.8 stages II-IIIA and IIIB (T >5 cm and N2) NSCLC, who have completed standard-of-care adjuvant treatments, including cisplatin-based chemotherapy and mediastinal radiation therapy (if applicable). Prior treatment with neoadjuvant chemotherapy or neoadjuvant radiotherapy is not permitted. Approximately 1500 patients will be randomized 1:1 to receive canakinumab (200 mg Q3W, s.c) or placebo (Q3W, s.c.) for 18 cycles or until disease recurrence, unacceptable toxicity, treatment discontinuation at the discretion of the investigator or patient, death, or loss to follow-up. Randomization will be stratified by AJCC/UICC v.8 stage, tumor histology, and region. The primary objective is disease-free survival, per investigator assessment. Secondary objectives include overall survival (key secondary objective), lung cancer-specific survival, safety, pharmacokinetics and immunogenicity of canakinumab, and patient-reported outcomes. Enrollment is ongoing.

      Result

      Section not applicable

      Conclusion

      Section not applicable