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Ying Cheng



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    EP1.01 - Advanced NSCLC (ID 150)

    • Event: WCLC 2019
    • Type: E-Poster Viewing in the Exhibit Hall
    • Track: Advanced NSCLC
    • Presentations: 1
    • Now Available
    • Moderators:
    • Coordinates: 9/08/2019, 08:00 - 18:00, Exhibit Hall
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      EP1.01-54 - Implementation of Fine Needle Aspiration of Supraclavicular Lymph Node as a Novel Medium for Genomic Profiling in NSCLC (Now Available) (ID 1171)

      08:00 - 18:00  |  Author(s): Ying Cheng

      • Abstract
      • Slides

      Background

      Supraclavicular lymph node (SLN) metastasis is not rare in non-small cell lung cancer (NSCLC). Palpation or B-ultrasound guided fine needle aspiration (FNA) of SLN is a very simple, rapid, and minimally invasive tool for diagnosis of these patients. With the development next generation sequencing (NGS) which has been widely used to catalogue genetic mutations in cancer, uncertainty remains if FNA of lymph node could be combined with NGS and applied in clinical practice. The aim of this study was to evaluate the clinical utility of FNA of SLN in patients with NSCLC

      Method

      FNA of SLN samples (stored in 10% neutral buffered formalin) and matched plasma samples from 30 patients with NSCLC were collected. Twenty-three patients (both FNA and plasma samples) were sequenced using a panel covering whole exons and critical introns of 520 cancer-related genes and seven patients (both FNA and plasma samples) were profiled using a panel of 168 lung cancer-related genes.

      Result

      During the procedure of next-generation sequencing library construction, the amount of extracted DNA and qualification percentage of FNA samples (n=30) from lymph nodes were similar to those of punctured lung biopsy samples (n=100, randomly selected from burning Rock database). Comparative analysis of mutation spectrums revealed that mutations were positively identified in 93.3% (28/30) FNA samples and 90.0% (27/30) plasma samples, while mutations of eight well-established lung cancer-related genes (EGFR, ERBB2, MET, BRAF, KRAS, ROS1, ALK and RET) were detected in 83.3% (25/30) FNA samples, which was higher than that in plasma samples (63.3%, 19/30). Moreover, FNA was significantly superior to plasma in detecting copy number variation (CNV) (detection frequencies, 88.9% vs 0.9%, p<0.001), both for CNVs of all genes in NGS panel (99.5% vs 10.0%) and eight well-established genes (96.0% vs 20.0%).

      Conclusion

      Samples from FNA of SLNs were found to be equivalent to plasma during NGS library construction. Moreover, FNA of SLNs was superior to plasma in detecting mutations of eight lung cancer-related genes, as well as CNVs in both all genes of NGS panel and the 8 key genes. This study provides knowledge for the potential use of FNA of lymph nodes in sequencing genomic profiles of patients with lung cancer, and further support its utility in clinical practice.

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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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      JCSE01.09 - A Phase II Umbrella Study of Camrelizumab in Different PD-L1 Expression Cohorts in Pre-Treated Advanced/Metastatic Non-Small Cell Lung Cancer (Now Available) (ID 3423)

      07:00 - 11:15  |  Author(s): Ying Cheng

      • Abstract
      • Presentation
      • Slides

      Abstract
      Background
      The role of PD-L1 expression in 2nd line and beyond non-small cell lung cancer (NSCLC) remains controversial. Camrelizumab (SHR-1210) is a potent anti-PD-1 monoclonal antibody and has shown promising activity in NSCLC in Phase I studies. We report results from the SHR-1210-201 study (NCT03085069), a phase II umbrella study of camrelizumab monotherapy in different PD-L1 expression cohorts in Chinese patients with previously treated advanced or metastatic NSCLC.

      Methods
      Patients who progressed during or following platinum-based doublet chemotherapy were enrolled and assigned to one of 4 cohorts based on PD-L1 expression. Patients with EGFR or ALK genomic alterations were eligible provided they had disease progression with at least one approved tyrosine kinase inhibitor and with ≥50% PD-L1 expression in tumor. All enrolled patients received camrelizumab at 200 mg IV Q2W until loss of clinical benefit. The primary endpoint was objective response rate (ORR), other endpoints included progression-free survival (PFS) and overall survival (OS).

      Results
      As of Aug 1st 2018, of all the 259 patients who underwent screen, 229 cases could be pathologically evaluated. PD-L1 expression were 47.6% (109/229) in PD-L1 < 1%, 27.1% (62/229) in PD-L1 1-<25%, 8.7% (20/229) in 25-<50% and 16.6% (38/229) in 50%. A total of 63.8% (146/229) patients were enrolled. 89.0% of patients had stage IV NSCLC and 54.8% had non-squamous tumor histology. ORR was 18.5% (95%CI: 12.6%–25.8%) in ITT population. Subgroup analysis showed increased PD-L1 expression was associated with better response rate (Table 1). No response was observed in patients with EGFR mutation. The responders had durable response (median: 15.1 months; 95%CI: 5.5–not reached). Median PFS was 3.2 months (95%CI: 2.0–3.4) and median OS was 19.4 months (95%CI: 11.6–not reached) (Table 1). Treatment-related adverse events (AEs) occurred in 87.7% of patients (all Grade); 20.5% had ≥G3 related AE; and 15.8% had related SAE. 21.2% of AEs led to dose interruption and 7.5% led to treatment discontinuation.

      Table 1 - Efficacy data in subgroups
      Population No of pts ORR, % (95%CI)

      PFS (month),

      median (95%CI)

      1YOS, % (95%CI)

      OS (month),

      median (95%CI)

      PD-L1<1% 74

      12.2% (5.7%, 21.8%)

      2.1 (1.9, 3.2) 47.1% (33.8%, 59.2%) 11.6 (7.8, NR)
      PD-L1 ≥1% and < 25% 31 19.4% (7.5%, 37.5%) 3.1 (1.8, 4.9) 76.7% (57.2%, 88.2%) NR (NR, NR)
      PD-L1 ≥25% and < 50% 11 45.5% (16.7%, 76.6%) 6.0 (1.9, NR) 81.8% (44.7%, 95.1%) NR (2.9, NR)
      PD-L1 ≥50% (without EGFR mutation) 25 28.0% (12.1%, 49.4%) 7.6 (3.3, 11.4) 55.2% (32.3%, 73.2%) NR (8.6, NR)
      PD-L1 ≥50% (with EGFR mutation) 5 0 1.7 (1.2, NR) 40.0% (5.2%, 75.3%) 10.3 (1.2, NR)
      ITT 146 18.5% (12.6%, 25.8%) 3.2 (2.0, 3.4) 56.6% (47.3%, 64.9%) 19.4 (11.6, NR)

      Abbreviation: NR, Not Reached.

      Conclusion
      In Chinese patients with previously treated advanced/metastatic NSCLC, camrelizumab demonstrated improved ORR, PFS, and OS compared with historical data of the 2nd line chemotherapy. The efficacy in patients with PD-L1 <1% is similar as the 2nd line mono-chemotherapy, while patients with higher PD-L1 expression derived greater benefit from camrelizumab, the ORR, PFS and OS in patients with PD-L1 ≥25% was comparable to the 1st line doublet chemotherapy in advanced NSCLC. Camrelizumab was well tolerated. This phase 2 data warrant further clinical studies of camrelizumab in NSCLC.

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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): Ying Cheng

      • 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  |  Author(s): Ying Cheng

      • 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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    MA25 - Precision Medicine in Advanced NSCLC (ID 352)

    • Event: WCLC 2019
    • Type: Mini Oral Session
    • Track: Advanced NSCLC
    • Presentations: 1
    • Now Available
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      MA25.01 - Pembrolizumab Plus Chemotherapy for Advanced NSCLC Without Tumor PD-L1 Expression: Pooled Analysis of KN021G, KN189 and KN407 (Now Available) (ID 1399)

      14:30 - 16:00  |  Author(s): Ying Cheng

      • Abstract
      • Presentation
      • Slides

      Background

      Randomized studies have demonstrated that pembrolizumab plus chemotherapy improves OS, PFS, and ORR compared with chemotherapy alone in patients with advanced NSCLC regardless of tumor PD-L1 expression level. We present a post hoc pooled analysis of pembrolizumab plus chemotherapy versus chemotherapy alone in patients with advanced NSCLC and no PD-L1 expression (ie, TPS <1%), representing an area of unmet need.

      Method

      Patients enrolled in KEYNOTE-021 cohort G (nonsquamous; NCT02039674), KEYNOTE-189 (nonsquamous; NCT02578680), and KEYNOTE-407 (squamous; NCT02775435) were included. Patients with nonsquamous NSCLC were randomized to pemetrexed-platinum with or without pembrolizumab; those with squamous NSCLC were randomized to carboplatin-paclitaxel/nab-paclitaxel with or without pembrolizumab. OS, PFS, and ORR were evaluated for the pooled intent-to-treat population. Response was assessed per RECIST v1.1 by blinded independent central review. Across studies, PD-L1 expression was assessed centrally using PD-L1 IHC 22C3 pharmDx assay (Agilent Technologies, Carpinteria, CA). Analyses were descriptive.

      Result

      Of 1298 patients enrolled across the 3 trials, 428 (33%) had PD-L1 TPS <1% (pembrolizumab plus chemotherapy, n=243; chemotherapy alone, n=185) and were included in this analysis. 52% had nonsquamous histology, 63% had ECOG PS of 1. Median (range) follow-up at data cutoff was 10.2 (0.1‒34.9) months. OS, PFS, and ORR were improved with pembrolizumab plus chemotherapy versus chemotherapy alone (Table). Grade ≥3 AEs (all-cause) occurred in 68% of patients receiving pembrolizumab plus chemotherapy versus 72% receiving chemotherapy alone. Immune-mediated AEs and infusion reactions occurred in 26% who received pembrolizumab plus chemotherapy versus 12% who received chemotherapy alone.

      Pembrolizumab + Chemotherapy

      n=243

      Chemotherapy
      Alone

      n=185

      Median (95% CI) OS, mo

      19.0 (15.2–24.0)

      11.0 (9.2–13.5)

      Hazard ratio (95% CI)

      0.56 (0.43–0.73)

      Median (95% CI) PFS, mo

      6.5 (6.2–8.5)

      5.4 (4.7–6.2)

      Hazard ratio (95% CI)

      0.67 (0.54–0.84)

      ORR, % (95% CI)

      46.9% (40.5%–53.4%)

      28.6% (22.3%–35.7%)

      Difference (95% CI)

      18.3% (9.0%–27.1%)

      Conclusion

      Our results highlight the clinically meaningful efficacy benefit and acceptable safety profile of pembrolizumab plus chemotherapy versus chemotherapy alone in patients with advanced NSCLC and no PD-L1 expression. Benefit was consistent with that observed in the overall study populations, suggesting pembrolizumab plus chemotherapy should be considered standard-of-care first-line therapy for all patients with NSCLC, irrespective of PD-L1 expression.

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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  |  Author(s): Ying Cheng

      • 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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    OA03 - Systemic Therapies for SCLC: Novel Targets and Patients' Selection (ID 121)

    • Event: WCLC 2019
    • Type: Oral Session
    • Track: Small Cell Lung Cancer/NET
    • Presentations: 1
    • Now Available
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      OA03.02 - Effect of Anlotinib in Advanced Small Cell Lung Cancer Patients Previously Received Chemoradiotherapy: A Subgroup Analysis in ALTER 1202 Trial (Now Available) (ID 1698)

      13:30 - 15:00  |  Author(s): Ying Cheng

      • Abstract
      • Presentation
      • Slides

      Background

      The ALTER 1202 trial showed significant improvement in progress-free survival and well tolerant with anlotinib in advanced small cell lung cancer (SCLC) patients received at least two lines chemotherapy. Here, we reported the effect of anlotinib in patients previously received chemoradiotherapy.

      Method

      The ALTER 1202 was a randomized, double-blind phase 2 trial conducted at 11 centers in China. Patients with advanced SCLC that received at least two previous lines of chemotherapy were enrolled and randomized in a 2:1 ratio to receive either anlotinib or placebo until tumor progression or unacceptable toxicity. The subgroup analysis assessed the effect of anlotinib in patients with previous concurrent, sequential and alternate chemoradiotherapy. The primary outcome was progressive-free survival (PFS). The secondary outcomes were overall survival (OS), objective response rate, disease control rate and safety. Data are reported as per the 30 June 2018, data cutoff date. This trial is registered with ClinicalTrials.gov, number NCT03059797.

      Result

      Between March 30, 2017 and June 8, 2018, a total of 120 patients who met all eligibility criteria were randomly assigned to the anlotinib group (82 patients) or placebo group (38 patients). And 46 patients in anlotinib group and 22 patients in placebo group previously received chemoradiotherapy. Among them, the median PFS was 5.49 months (95% confidence interval [CI], 2.83 to 6.47) with anlotinib versus 0.69 months (95% CI, 0.66 to 0.76) with placebo (hazard ratio [HR], 0.14; 95% CI, 0.07 to 0.28; P<0.0001). Meanwhile, anlotinib significantly prolonged OS compared with placebo (9.49 months [95% CI, 7.29 to 12.68] versus 2.56 months [95% CI, 0.49 to 5.22]; HR, 0.46 [95% CI, 0.22 to 0.98]; P=0.0388) in patients previously received chemoradiotherapy. The most common adverse events were hypertension (39.13%), weight loss (39.13%), hypertriglyceridemia (36.96%) and leukopenia (30.43%). While, the most common grade 3 or worse adverse events were hypertension (15.22%), hypertriglyceridemia (10.87%), γ-glutamyl-transferase increased (8.70%).

      Conclusion

      Anlotinib improved PFS and OS in advanced SCLC patients previously received chemoradiotherapy and was well tolerated.

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    OA04 - Immuno Combinations and the Role of TMB (ID 126)

    • Event: WCLC 2019
    • Type: Oral Session
    • Track: Immuno-oncology
    • Presentations: 1
    • Now Available
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      OA04.03 - A Randomized Phase 3 Study of Camrelizumab plus Chemotherapy as 1<sup>st</sup> Line Therapy for Advanced/Metastatic Non-Squamous Non-Small Cell Lung Cancer (Now Available) (ID 1682)

      15:15 - 16:45  |  Author(s): Ying Cheng

      • Abstract
      • Presentation
      • Slides

      Background

      Platinum-based chemotherapy remains 1st line therapy for advanced non-small cell lung cancer (NSCLC) without oncogenic drivers in China. Camrelizumab (SHR-1210, a potent anti‒PD-1 monoclonal antibody) has shown promising activity in multiple malignancies. Here, we report interim analysis results on efficacy and safety of camrelizumab plus carboplatin/pemetrexed as 1st line treatment in Chinese advanced/metastatic non-squamous NSCLC patients with negative oncogenic drivers.

      Method

      In this open-label, randomized, multicenter phase 3 study (SHR-1210-303), patients with advanced/metastatic, non-squamous NSCLC with negative EGFR or ALK were stratified by sex and smoking history (≥ 400/year versus ˂ 400/year) and were randomly assigned (1:1) to receive 4 to 6 cycles of carboplatin (AUC=5) plus pemetrexed (500 mg/m2) with or without camrelizumab (200 mg), followed by pemetrexed with or without camrelizumab as maintenance therapy up to disease progression or intolerable toxicity. Treatment was given every 3 weeks. Crossover to camrelizumab monotherapy was permitted for patients in the chemotherapy arm who had confirmed disease progression. The primary endpoint was PFS per blinded independent central review according to RECIST v1.1. Secondary endpoints included ORR, DCR, DoR and OS. Data of subgroup analysis will be reported. Clinical Trials.gov number: NCT03134872.

      Result

      Between May 12, 2017 and Jun 6, 2018, 419 patients were randomized, among whom 205 received camrelizumab plus chemotherapy and 207 received chemotherapy treatment. After a median follow-up of 11.9 months, median PFS was 11.3 months (95% CI 9.5‒not reached) in camrelizumab plus chemotherapy arm and 8.3 months (95% CI 6.0‒9.7) in chemotherapy arm (HR 0.61 [95% CI 0.46‒0.80], p=0.0002). ORR, DCR, DoR and OS with camrelizumab plus chemotherapy were superior to chemotherapy (Table 1). Grade 3/4 adverse events occurred in 66.8% of patients in camrelizumab plus chemotherapy arm and 51.2% of patients in chemotherapy arm. There were 5 treatment-related deaths in camrelizumab plus chemotherapy arm and 4 in chemotherapy arm.

      Table 1. Responses per blinded independent central review and overall survival in the total study population

      Camrelizumab plus chemotherapy

      (n=205)

      Chemotherapy alone

      (n=207)
      p-value
      Objective response rate 60.0% (53.0‒66.8) 39.1% (32.4‒46.1) p<0.0001
      Disease control rate 87.3% (82.0‒91.6) 74.4% (67.9‒80.2) p=0.0009
      Duration of response (months) 17.6 (11.6‒NR) 9.9 (8.5‒13.8) p=0.0356
      Overall survival (months) NR (17.1‒NR) 20.9 (14.2‒NR) p=0.0272
      Data are shown in % (95% CI) or median (95% CI). NR: not reached.

      Conclusion

      First-line camrelizumab plus chemotherapy shows substantial clinical benefit in patients with advanced/metastatic non-squamous NSCLC with negative EGFR or ALK in terms of PFS, ORR, and OS and acceptable safety profiles. The combination should become novel standard 1st line therapy for this population.

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    P1.01 - Advanced NSCLC (ID 158)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Advanced NSCLC
    • Presentations: 3
    • Now Available
    • Moderators:
    • Coordinates: 9/08/2019, 09:45 - 18:00, Exhibit Hall
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      P1.01-50 - Impact of Concomitant HER2 Alterations in Mediating Clinical Outcomes of EGFR-Mutant Patients to Different Generation of EGFR-TKIs (Now Available) (ID 1161)

      09:45 - 18:00  |  Presenting Author(s): Ying Cheng

      • Abstract
      • Slides

      Background

      The 2nd generation EGFR-TKI are selective and potent irreversible pan-HER inhibitors. Given their effect on HER2 besides EGFR, we investigated the role of HER2 co-alterations in mediating the clinical outcomes of EGFR-mutant non-small cell lung cancers to 2nd generation or other generation EGFR-TKIs.

      Method

      Plasma/tissue samples from advanced NSCLC before and after 1L EGFR-TKI treatment were sequenced using 168-/520-cancer-related gene panels, respectively. Clinical records of 94 EGFR-mutant pts (92 adenocarcinomas and 2 adenosquamous cell carcinomas) after 1st/3rd (n=73) or 2nd generation (afatinib, n=16; dacomitinib, n=5) EGFR-TKI treatment were collected for clinical outcomes evaluation. Event-time distributions were estimated using Kaplan-Meier and compared with long-rank test.

      Result

      Among the 94 pts identified as EGFR-positive at baseline, 8 (8.5%) had concurrent HER2 gain-of-function alterations (amplification or active mutation). Survival analysis showed that for those with concomitant EGFR and HER2 alterations at baseline, pts achieved favorable PFS (23.2 vs 5.6 months, p=0.04) to 2nd generation (n=2) than to 1st/3rd generation EGFR-TKI (n=6) as 1L treatment. And for those receiving 1L 1st/3rd generation EGFR-TKI (n=73), the presence of baseline HER2 alterations (n=6) was associated with shorter PFS (5.6 vs 9.8 months, p=0.16) and OS (15.7 vs 21.0 months, p=0.06) than absence of HER2 (n=67), although the difference was not significant due to a small sample size. In addition, we found all the samples (n=21) obtained from pts after 2nd generation EGFR-TKI resistance were HER2-negative, but pts progressed on 1st or 3rd generation EGFR-TKI with HER2 as the only resistance mechanism were observed in our study cohort.

      Conclusion

      Our findings suggested that, for EGFR-mutant pts combined with HER2 alterations at baseline or those resistant to 1L treatment of 1st/3rd EGFR-TKI due to HER2 alterations only,2nd EGFR-TKI might be a better choice.Our findings suggested that, for EGFR-mutant pts combined with HER2 alterations at baseline or those resistant to 1L treatment of 1st/3rd EGFR-TKI due to HER2 alterations only,2nd EGFR-TKI might be a better choice.

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      P1.01-61 - A Phase II Umbrella Study of Camrelizumab in Different PD-L1 Expression Cohorts in Pre-Treated Advanced/Metastatic Non-Small Cell Lung Cancer (ID 1633)

      09:45 - 18:00  |  Author(s): Ying Cheng

      • Abstract

      Background

      The role of PD-L1 expression in 2nd line and beyond non-small cell lung cancer (NSCLC) remains controversial. Camrelizumab (SHR-1210) is a potent anti-PD-1 monoclonal antibody and has shown promising activity in NSCLC in Phase I studies. We report results from the SHR-1210-201 study (NCT03085069), a phase II umbrella study of camrelizumab monotherapy in different PD-L1 expression cohorts in Chinese patients with previously treated advanced or metastatic NSCLC.

      Method

      Patients who progressed during or following platinum-based doublet chemotherapy were enrolled and assigned to one of 4 cohorts based on PD-L1 expression. Patients with EGFR or ALK genomic alterations were eligible provided they had disease progression with at least one approved tyrosine kinase inhibitor and with ≥50% PD-L1 expression in tumor. All enrolled patients received camrelizumab at 200 mg IV Q2W until loss of clinical benefit. The primary endpoint was objective response rate (ORR), other endpoints included progression-free survival (PFS) and overall survival (OS).

      Result

      As of Aug 1st 2018, of all the 259 patients who underwent screen, 229 cases could be pathologically evaluated. PD-L1 expression were 47.6% (109/229) in PD-L1 < 1%, 27.1% (62/229) in PD-L1 1-<25%, 8.7% (20/229) in 25-<50% and 16.6% (38/229) in 50%. A total of 63.8% (146/229) patients were enrolled. 89.0% of patients had stage IV NSCLC and 54.8% had non-squamous tumor histology. ORR was 18.5% (95%CI: 12.6%–25.8%) in ITT population. Subgroup analysis showed increased PD-L1 expression was associated with better response rate (Table 1). No response was observed in patients with EGFR mutation. The responders had durable response (median: 15.1 months; 95%CI: 5.5–not reached). Median PFS was 3.2 months (95%CI: 2.0–3.4) and median OS was 19.4 months (95%CI: 11.6–not reached) (Table 1). Treatment-related adverse events (AEs) occurred in 87.7% of patients (all Grade); 20.5% had ≥G3 related AE; and 15.8% had related SAE. 21.2% of AEs led to dose interruption and 7.5% led to treatment discontinuation.

      Table 1 - Efficacy data in subgroups
      Population No of pts ORR, % (95%CI)

      PFS (month),

      median (95%CI)

      1YOS, % (95%CI)

      OS (month),

      median (95%CI)

      PD-L1<1% 74

      12.2% (5.7%, 21.8%)

      2.1 (1.9, 3.2) 47.1% (33.8%, 59.2%) 11.6 (7.8, NR)
      PD-L1 ≥1% and < 25% 31 19.4% (7.5%, 37.5%) 3.1 (1.8, 4.9) 76.7% (57.2%, 88.2%) NR (NR, NR)
      PD-L1 ≥25% and < 50% 11 45.5% (16.7%, 76.6%) 6.0 (1.9, NR) 81.8% (44.7%, 95.1%) NR (2.9, NR)
      PD-L1 ≥50% (without EGFR mutation) 25 28.0% (12.1%, 49.4%) 7.6 (3.3, 11.4) 55.2% (32.3%, 73.2%) NR (8.6, NR)
      PD-L1 ≥50% (with EGFR mutation) 5 0 1.7 (1.2, NR) 40.0% (5.2%, 75.3%) 10.3 (1.2, NR)
      ITT 146 18.5% (12.6%, 25.8%) 3.2 (2.0, 3.4) 56.6% (47.3%, 64.9%) 19.4 (11.6, NR)

      Abbreviation: NR, Not Reached.

      Conclusion

      In Chinese patients with previously treated advanced/metastatic NSCLC, camrelizumab demonstrated improved ORR, PFS, and OS compared with historical data of the 2nd line chemotherapy. The efficacy in patients with PD-L1 <1% is similar as the 2nd line mono-chemotherapy, while patients with higher PD-L1 expression derived greater benefit from camrelizumab, the ORR, PFS and OS in patients with PD-L1 ≥25% was comparable to the 1st line doublet chemotherapy in advanced NSCLC. Camrelizumab was well tolerated. This phase 2 data warrant further clinical studies of camrelizumab in NSCLC.

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      P1.01-92 - Underlying Mechanisms That Potentially Affect Prognosis to EGFR-TKI in EGFR-Positive Patients with Non-Small Cell Lung Cancer (Now Available) (ID 1158)

      09:45 - 18:00  |  Presenting Author(s): Ying Cheng

      • Abstract
      • Slides

      Background

      Conventional detection methods cannot fully reflect the overall landscape of tumor, which misguide the use of targeted drugs and lead to poor prognosis. Here, based on the results of genomic profiling obtained by NGS, we interrogate the underlying mechanism of differential response to EGFR-TKI in EGFR-positive patients with lung cancer.

      Method

      207 patients with advanced non-small cell lung cancer (NSCLC) carrying EGFR_L858 or 19del (identified by conventional methods) from 7 clinical trials (such as FLAURA, CTONG1405 and CTONG1509) were enrolled. 457 plasma (n=335) or tissue (n=122) samples from baseline and follow-up points of the cohort were profiled using 168-/520-cancer-related gene panels. Molecular characteristics in patients with rapid progression (PFS<3 months, n=10) and durable response (PFS>24 months, n=6) to EGFR-TKI treatment were analyzed.

      Result

      The accuracy of NGS and conventional methods for identifying EGFR driver mutations in tissue samples was 97.1%, and that of driver mutation detection in plasma and tissue samples was 81.9%. Using NGS, several alterations at baseline that may potentially affect prognosis were identified, in addition to EGFR oncogenic mutations revealed by traditional methods. Ten patients progressed rapidly on EGFR-TKI therapy (no response, n=4; stable disease, SD, n=2; partial response, PR, n=4). Of the 4 patients who did not respond to EGFR-TKI, ALK fusion, NTRK fusion, MET amplification (METamp) and EGFR_E709A were identified at baseline using NGS. Of the 2 patients received SD, NGS revealed that one case carried mutations in TP53, PMS2, PALB2 and ARID1A, while another case carried TP53_R213* and ERBB2amp. As to the 4 patients achieved PR, NGS results showed that one patient carried TP53_R342* and EGFR_L62R; one patient with CDK4amp and RET pathogenic mutation; one patient had TP53_V216L, CDK4amp, ERBB2amp and EGFRamp; and another patient harbored CDK4amp. In contrast, of the 6 patients achieved durable response to EGFR-TKI, NGS revealed that 4 patients did not carry any alteration or well-established factor associated with poor prognosis other than EGFR driver mutations. The other 2 patients with TP53 mutation and EGFRamp received combination treatment of EGFR TKI and chemotherapy.

      Conclusion

      NGS had good consistency with conventional methods in identifying EGFR-driver mutation. Compared with traditional methods, NGS can represent more comprehensive landscape of tumor and provide more reliable guidance for treatment. For patients with EGFR-driver mutations along with tumor suppressor or oncogene mutations, combination therapy of TKI and chemotherapy might be a better option than TKI alone. In addition, we revealed that EGFR_E709A and EGFR_L62R may be potential resistance mechanisms of EGFR TKI.

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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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      P2.01-99 - A Phase IIIb Open-Label Study of Afatinib in EGFR TKI-Naïve Patients with EGFR Mutation-Positive NSCLC: Final Analysis (ID 1671)

      10:15 - 18:15  |  Author(s): Ying Cheng

      • Abstract
      • Slides

      Background

      The safety and efficacy of afatinib, an orally administered irreversible EGFR TKI, have been demonstrated in patients with EGFR mutation-positive (EGFRm+) NSCLC in several Phase III clinical trials. However, prospective evidence supporting the clinical benefit of afatinib in the real-world setting is limited. Here, we report final data from a Phase IIIb open-label, multicenter trial evaluating safety and efficacy of afatinib in EGFR TKI-naïve Asian patients with locally advanced/metastatic EGFRm+ NSCLC, in a setting similar to real-world practice.

      Method

      EGFR TKI-naïve patients with locally advanced/metastatic EGFRm+ NSCLC were recruited from 34 sites in China, Hong Kong, India, Singapore, and Taiwan. Patients received 40 mg/day afatinib. Dose reduction to minimum 20 mg/day was permitted. Treatment continued until lack of clinical benefit as determined by the investigator. The primary and secondary safety endpoints were number of patients with serious adverse events (SAEs), and number of patients with drug-related AEs, respectively. The secondary efficacy endpoint was time to symptomatic progression (TTSP). Further endpoints included progression free survival (PFS), objective response, and duration of disease control.

      Result

      In total, 541 patients received afatinib. Baseline characteristics were representative of patients with EGFRm+ NSCLC (median age, 59 years; female, 52.9%; never smoked, 69.3%; EGFR mutations, common [Del19/L858R]/uncommon: 88.2% [48.2%/40.5%]/11.8%; ECOG performance status 0/1, 18.3%/79.7%; brain metastases, 19%). SAEs were reported in 164 patients (30.3%). 34 patients (6.3%) had drug-related SAEs, most commonly (grouped terms): diarrhea (1.8%), stomatitis (0.7%), and vomiting (0.7%). Drug-related AEs (DRAEs) of any grade were reported in 528 patients (97.6%). AEs leading to dose reduction occurred in 154 patients (28.5%); TRAEs leading to treatment discontinuation were reported in 17 patients (3.1%). Three patients experienced DRAEs leading to death (decreased appetite, dyspnea, and respiratory failure). Median TTSP was 14.0 months (95% confidence interval [CI]: 12.9, 15.9) and median PFS was 12.1 months (95% CI: 11.0, 13.6). Objective responses were reported in 312 patients (57.7%) by week 52; the median duration of response was 12.2 months (95% CI: 11.0, 13.5). 483 patients (89.3%) achieved disease control of median duration 13.6 months (95% CI: 12.1, 14.4).

      Conclusion

      Safety data for afatinib in this patient population were consistent with previously reported data, with no new safety signals. AEs were manageable and did not lead to discontinuation in most patients. This study also demonstrated the efficacy and clinical benefit of afatinib in Asian patients with locally advanced or metastatic EGFRm+ NSCLC in a near real-world setting.

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    P2.12 - Small Cell Lung Cancer/NET (ID 180)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Small Cell Lung Cancer/NET
    • Presentations: 2
    • Moderators:
    • Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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      P2.12-11 - Quality of Life in ALTER1202 Trial of Anlotinib as Third-or Further Line Therapy for Advanced Small Cell Lung Cancer (SCLC): A Post-Hoc Analysis (ID 1300)

      10:15 - 18:15  |  Author(s): Ying Cheng

      • Abstract
      • Slides

      Background

      Anlotinib significantly improved progress-free survival of advanced small cell lung cancer (SCLC) patients in ALTER1202 trial. In this post-hoc analysis, we assessed the effect of anlotinib on health-related quality of life in ALTER1202 trial.

      Method

      In the randomised, phase 2, multicentre ALTER1202 trial, patients with advanced SCLC that received at least two previous lines of chemotherapy were enrolled from 11 centers in China. Eligible patients were randomly assign (2:1) to receive anlotinib or placebo. Health-related quality of life was assessed by EQ-5D scores. Patients filled out questionnaires at screening period and the end of each treatment cycle.

      Result

      Between March 30, 2017 and June 8, 2018, a total of 120 patients were enrolled. There were 119 patients with completed questionnaires at screening period, and 106 patients completed questionnaires at the end of the first treatment cycle (76 in anlotinib group, 30 in placebo group). EQ-5D scores had no significant difference between baseline and the end of the first treatment cycle in patients with anlotinib (0.85 versus 0.85, P=0.706). The median EQ-5D VASscores were 80.0 versus 85.0 in anlotinib and placebo group respectively (P=0.323) at screening period, and 90.0 versus 82.5 at the end of the first treatment cycle (P=0.273). The change of EQ-5D VAS scores from baseline to the end of the first treatment cycle was statistically significant (P=0.001) in patients with anlotinib compared to patients with placebo.

      Conclusion

      This post-hoc analysis showed that anlotinib maintained health-related quality of life in advanced SCLC patients.

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      P2.12-26 - The Impact of Anlotinib for Relapsed SCLC Patients with Brain Metastases: A Subgroup Analysis of ALTER 1202 (ID 489)

      10:15 - 18:15  |  Presenting Author(s): Ying Cheng

      • Abstract
      • Slides

      Background

      ALTER1202 trial (NCT03059797), a multicentre, randomized, double-blind phase II study has demonstrated that anlotinib significantly prolonged progress-free survival (PFS) in relapsed SCLC patients as 3rdor further line treatment. Here, we performed a comparative analysis for patients with brain metastases in the placebo and anlotinib arms.

      Method

      Eligible either limited- or extensive-stage SCLC pts who failed ≥2 lines of chemotherapy (n=120) were randomized 2:1 to receive anlotinib or placebo (12 mg QD from day 1 to 14 of a 21-day cycle) till progression or intolerable toxicity. The primary endpoint was PFS. This subgroup analysis was based on patients with brain metastases at baseline.

      Result

      There are 30 pts with brain metastases in anlotinib and placebo groups (n=21 vs 9). Anlotinib significantly improved PFS (3.84 vs 0.76 months; HR = 0.15; 95% CI, 0.04–0.51; P = 0.0005) and OS (6.08 vs 2.56 months; HR = 0.26; 95% CI, 0.09–0.73; P = 0.0061) comparing to placebo in patients with brain metastases at baseline. In anlotinib group, loss of appetite (47.62%), loss of weight (42.86 %), leukopenia (38.10%) and hypertriglyceridemia (38.10%) were the most common adverse events (AEs); then, in placebo group were emesis (44.44%) and loss of appetite (33.33 %).

      Conclusion

      For patients with brain metastases in ALTER1202 trial, significant improvement in OS and PFS were found in anlotinib treated group with a manageable safety profile.

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