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Bo Zhang



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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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      JCSE01.11 - Efficacy and Safety of Sintilimab with Anlotinib as First-Line Therapy for Advanced Non-Small Cell Lung Cancer (NSCLC) (Now Available) (ID 3425)

      07:00 - 11:15  |  Author(s): Bo Zhang

      • Abstract
      • Presentation
      • Slides

      Abstract
      Background
      Given the synergy effect of immunotherapy and anti-angiogenic therapy in advanced NSCLC, FDA approved atezolizumab plus bevacizumab and chemotherapy as first-line treatment. However, chemo-free first-line strategy of PD-1/PD-L1 inhibitor combining angiogenesis modulator remains to be explored. This is the first trial evaluating sintilimab (anti-PD-1) plus anlotinib (multi-target TKI against tumor angiogenesis and proliferation) in treatment-naive advanced NSCLC patients and is one arm of Phase I anlotinib-based trial (NCT03628521).

      Methods
      Treatment-naive, stage IIIB/IV NSCLC patients aged 18-75 with ECOG PS 0-1 were eligible. Patients with EGFR, ALK or ROS1 mutations were excluded. Participants were given intravenous sintilimab (200mg q3w) and oral anlotinib (12mg/d 2 weeks on/1 week off) until progression or unacceptable toxicity. The primary endpoints were ORR and safety. The secondary endpoints included DCR, PFS and OS. AEs were graded according to CTCAE v4.0.

      Results
      From September-2018 to February-2019, 22 patients were enrolled. Most were male (95.5%), former/current smokers (63.6%) and squamous cell histology (54.5%). 4 had baseline brain metastases. All patients have received at least once tumor assessment as of Jul-3th-2019. Among all, 16 achieved confirmed PR, 6 achieved SD, ORR was 72.7% (49.8%, 89.3%) and DCR was 100% (84.6%, 100%). 6 month PFS rate is 93.8% (95%CI: 63.23%, 99.10%). Overall, sintilimab and anlotinib was well tolerated. 6 (27.3%) had grade 3 and above treatment related adverse event (TRAE). The most common TRAE included fecal occult blood, hyperuricemia, hyponatremia, foot-hand syndrome, etc. 21 patients had baseline PD-L1-evaluated and 18 patients got TMB status (details in table). Notably, 5 of 6 SD patients developed cavities inside, suggesting a synergetic anti-tumor effect from combination regimen.

      Conclusion

      In this interim analysis, sintilimab plus anlotinib showed high ORR (72.7%) and DCR (100%) with tolerable safety profile, supporting worthy of further development from this convenient chemo-free regimen in first line setting.

      table 1.jpg

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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
    • Moderators:
    • Coordinates: 9/08/2019, 09:45 - 18:00, Exhibit Hall
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      P1.01-95 - Efficacy and Safety of Anlotinib in Combination with Chemotherapy as First-Line Therapy in Advanced Non-Small Cell Lung Cancer (NSCLC) Patients (ID 2296)

      09:45 - 18:00  |  Author(s): Bo Zhang

      • Abstract
      • Slides

      Background

      Anlotinib (AL3818) is a novel multi-target angioenesis TKI targeting the VEGFR, FGFR, PDGFR and c-Kit. In the ALTER0303 trial, Anlotinib as third-line treatment significantly improved progress-free survival (PFS) and overall survival (OS) in advanced NSCLC patients. This is the first trial evaluating the combination of chemotherapy and anlotinib in treatment-naive advanced NSCLC and is one arm of Phase II anlotinib-based trial (NCT03628521).

      Method

      Patients with previously untreated EGFR/ALK/ROS1 negative advanced NSCLC were enrolled. Eligible patients received anlotinib (12 mg QD from day 1 to 14 of a 21-day cycle) combined with carboplatin (AUC 5) and pemetrexed (adenocarcinoma, 500mg/m2)/gemcitabine (squamous, 1.0g/m2,day1&8) for four to six cycles (21-day cycle). Maintenance treatment was followed by using pemetrexed and anlotinib (anlotinib alone for squamous) until disease progression or treatment intolerance. The primary outcome was objective response (ORR) and secondary outcomes were PFS, disease control rate (DCR) and OS.

      Result

      Until the 21st March 2019, the curative effect was assessed in 30 enrolled patients according to the RECIST 1.1. Among these patients, eighteen of them achieved PR (all confirmed), eleven of them achieved SD and only one patient developed to disease progression. The objective response rate was 60.0 % while the disease control rate was 96.7 %. The most common Grade 3 adverse events were decreased platelet count (20 %), hypertriglyceridemia (10 %) and oral mucositis (6.67 %). 3 patients showed Grade 4 decrease of platelet count (10 %), and both of them belong to the gemcitabine group.

      Conclusion

      The combination of anlotinib and chemotherapy showed the potential effect and a manageable safety profile in patients with previously untreated EGFR/ALK/ROS1 negative advanced NSCLC.

      Table 1: Response rates

      Response

      Assessed

      CR

      0

      PR

      18/30(60.0%)

      SD

      11/30(36.7%)

      PD

      1/30 (3.3%)

      ORR, n/N(%)

      18/30 (60.0%)

      DCR, n/N(%)

      29/30 (96.7%)

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    P1.04 - Immuno-oncology (ID 164)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Immuno-oncology
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/08/2019, 09:45 - 18:00, Exhibit Hall
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      P1.04-02 - Efficacy and Safety of Sintilimab with Anlotinib as First-Line Therapy for Advanced Non-Small Cell Lung Cancer (NSCLC) (ID 939)

      09:45 - 18:00  |  Author(s): Bo Zhang

      • Abstract
      • Slides

      Background

      Given the synergy effect of immunotherapy and anti-angiogenic therapy in advanced NSCLC, FDA approved atezolizumab plus bevacizumab and chemotherapy as first-line treatment. However, chemo-free first-line strategy of PD-1/PD-L1 inhibitor combining angiogenesis modulator remains to be explored. This is the first trial evaluating sintilimab (anti-PD-1) plus anlotinib (multi-target TKI against tumor angiogenesis and proliferation) in treatment-naive advanced NSCLC patients and is one arm of Phase I anlotinib-based trial (NCT03628521).

      Method

      Treatment-naive, stage IIIB/IV NSCLC patients aged 18-75 with ECOG PS 0-1 were eligible. Patients with EGFR, ALK or ROS1 mutations were excluded. Participants were given intravenous sintilimab (200mg q3w) and oral anlotinib (12mg/d 2 weeks on/1 week off) until progression or unacceptable toxicity. The primary endpoints were ORR and safety. The secondary endpoints included DCR, PFS and OS. AEs were graded according to CTCAE v4.0.

      Result

      From September-2018 to February-2019, 22 patients were enrolled. Most were male (95.5%), former/current smokers (63.6%) and squamous cell histology (54.5%). 4 had baseline brain metastases. All patients have received at least once tumor assessment as of Jul-3th-2019. Among all, 16 achieved confirmed PR, 6 achieved SD, ORR was 72.7% (49.8%, 89.3%) and DCR was 100% (84.6%, 100%). 6 month PFS rate is 93.8% (95%CI: 63.23%, 99.10%). Overall, sintilimab and anlotinib was well tolerated. 6 (27.3%) had grade 3 and above treatment related adverse event (TRAE). The most common TRAE included fecal occult blood, hyperuricemia, hyponatremia, foot-hand syndrome, etc. 21 patients had baseline PD-L1-evaluated and 18 patients got TMB status (details in table). Notably, 5 of 6 SD patients developed cavities inside, suggesting a synergetic anti-tumor effect from combination regimen.

      Conclusion

      In this interim analysis, sintilimab plus anlotinib showed high ORR (72.7%) and DCR (100%) with tolerable safety profile, supporting worthy of further development from this convenient chemo-free regimen in first line setting.

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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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      P2.01-21 - Efficacy and Safety of Combing Anlotinib and Erlotinib as a First-Line Therapy in Patients with Advanced Non-Small Cell Lung Cancer (NSCLC) (ID 2361)

      10:15 - 18:15  |  Author(s): Bo Zhang

      • Abstract
      • Slides

      Background

      As a promising multi-target tyrosine kinase inhibitor (TKI), anlotinib hydrochloride significantly improved overall survival (OS) and progression-free survival (PFS) in advanced NSCLC patients in the phase 3 trial ALTER0303. Antiangiogenesis therapy combined with EGFR-TKI has shown excellent efficacy and survival benefits in patients with EGFR mutations. This is the first trial evaluating anlotinib plus erlotinib in treatment-naive advanced NSCLC patients and is one arm of Phase II anlotinib-based trial (NCT03628521).

      Method

      Patients with previously untreated, EGFR mutation–positive (exon 19 deletion or L858R) advanced NSCLC were enrolled. Eligible patients received anlotinib (10 mg QD from day 1 to 14 of a 21-day cycle) combined with erlotinib (at a dose of 150 mg once daily) until disease progression or treatment intolerance. The primary outcome was objective response (ORR) and secondary outcomes were PFS, disease control rate (DCR) and OS.

      Result

      Until the 21st March 2019, 26 patients were enrolled. All are under treatment and 17 have received at least one tumor assessment. Among these patients, fifteen of them achieved PR (9 confirmed, the rest waiting for next assessment), two of them achieved SD and no patient developed to disease progression. The objective response rate was 88.2 % while the disease control rate was 100 %.The most common Grade 3 TRAE were rash (15.38 %), oral mucositis (11.54%) and albuminuria (7.69 %), and no grade 4/5 observation.

      Conclusion

      The combination of anlotinib and erlotinib showed the promising efficacy for previously untreated, EGFR mutation–positive advanced NSCLC patients with a manageable safety profile.

      Table 1: Response rates

      Response

      Assessed

      CR

      0

      PR

      15/17(88.2%)

      SD

      2/17(11.76%)

      PD

      0

      ORR, n/N(%)

      15/17 (88.2%)

      DCR, n/N(%)

      17/17 (100.0%)

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    P2.11 - Screening and Early Detection (ID 178)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Screening and Early Detection
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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      P2.11-18 - Circulating Serum KLK5 and L1CAM Levels Potentially Predict Clinical Outcome to Anlotinib Therapy in NSCLC Patients (ID 1074)

      10:15 - 18:15  |  Author(s): Bo Zhang

      • Abstract

      Background

      Anlotinib is an oral multi-targeted tyrosine kinase inhibitor (TKI), which has been demonstrated to be effective upon non-small cell lung cancer (NSCLC) in clinical trials at 3rd line. However, the underlying anlotinib-responsive patients remain elusive. In the present study, we aimed to screen out the potential biomarkers for anlotinib-responsive stratification via transcriptome analysis.

      Method

      Anlotinib-resistant NCI-H1975 cells were established in vitro. Toxicologic effects undergoing anlotinib stress were observed upon NCI-H1975 cells and anlotinib-resistant NCI-H1975 cells, respectively. Transcriptome profiling was performed to screen anlotinib resistance-associated genes between NCI-H1975 cells and anlotinib-resistant NCI-H1975 cells. The correlations between mRNA levels of the anlotinib resistance-associated genes and clinical outcomes of NSCLC patients were analyzed via Kaplan-Meier survival analysis in TCGA cohort. Potential biomarkers for anlotinib-responsive stratification were examined in a 28 patients’ cohort of anlotinib clinical trial (NCT02388919).

      Result

      Anlotinib-induced cytotoxic effects nearly disappeared in anlotinib-resistant NCI-H1975 cells, which are majority attributed to the modulated gene expression of multiple biological processes. Among these biological processes, angiogenesis plays an important role in anlotinib resistance. Up-regulation of angiogenesis-related KLK5 and L1CAM are mostly associated with poor clinical outcome in NSCLC patients. Knockdown of KLK5 and L1CAM contribute to increase anlotinib-induced cytotoxicity upon NCI-H1975 cells and anlotinib-resistant NCI-H1975 cells. High serum levels of KLK5 and L1CAM are also associated with poor anlotinib response in NSCLC patients at 3rd line.

      Conclusion

      This study suggested that serum levels of KLK5 and L1CAM potentially serve as biomarkers for anlotinib-responsive stratification in NSCLC patients at 3rd line.