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R. García Campelo
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P3.02a - Poster Session with Presenters Present (ID 470)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 12/07/2016, 14:30 - 15:45, Hall B (Poster Area)
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P3.02a-025 - PROs With Ceritinib Versus Chemotherapy in Patients With Previously Untreated ALK-rearranged Nonsquamous NSCLC (ASCEND-4) (ID 5128)
14:30 - 15:45 | Author(s): R. García Campelo
- Abstract
Background:
Here, we present the patient-reported outcomes (PROs) of ceritinib versus chemotherapy as first-line treatment for advanced ALK+ NSCLC.
Methods:
Untreated, ALK+, advanced, nonsquamous NSCLC patients (N=376) were randomized (1:1) to ceritinib 750 mg/day (n=189) or chemotherapy (n=187; [pemetrexed 500 mg/m[2 ]plus cisplatin 75 mg/m[2] or carboplatin AUC 5-6] for 4 cycles followed by maintenance pemetrexed). PROs were assessed using EORTC quality-of-life questionnaire (QLQ-C30), the lung cancer module (QLQ-LC13), Lung Cancer Symptom Scale (LCSS), and EQ-5D.
Results:
Median treatment exposure was 66.4 weeks for ceritinib and 26.9 weeks for chemotherapy. PRO compliance was high, ≥80% at most timepoints. Ceritinib significantly prolonged time to deterioration of lung cancer-specific symptoms (pain, dyspnea, and cough) versus chemotherapy in both LCSS and QLQ-LC13 instruments (composite endpoints for LCSS, HR=0.61 [0.41, 0.90]; and QLQ-LC13, HR=0.48 [0.34, 0.69]). Time to deterioration in LC13 questionnaire was significantly longer with ceritinib versus chemotherapy (23.6 [20.7, NE] vs 12.6 [8.9, 14.9] months) (Table). In the QLQ-C30 instrument, 4 of 5 functional domains and 6 of 9 symptom scales improved with ceritinib (P< 0.05); 2 scales related to gastrointestinal symptoms indicated deterioration for ceritinib. In agreement with most other scales showing symptom improvement, ceritinib demonstrated significant improvements in Global Health Status/QoL in the same instrument (QLQ-C30, P<0.001) as well as for EQ-5D-5L index (P<0.001) and EQ-5D-5L VAS (P<0.05 from cycle 13 until 49). Figure 1
Conclusion:
Untreated ALK+ NSCLC patients experienced significantly greater improvements in lung cancer-specific symptoms on treatment with ceritinib. General health status was significantly improved with ceritinib versus chemotherapy. Overall, PRO results from all 4 instruments independently showed improvements highlighting the consistency and robustness of these findings.
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P3.02b - Poster Session with Presenters Present (ID 494)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 12/07/2016, 14:30 - 15:45, Hall B (Poster Area)
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P3.02b-047 - Co-Activation of STAT3 and YAP1 Signaling Pathways Limits EGFR Inhibitor Response in Lung Cancer (ID 4168)
14:30 - 15:45 | Author(s): R. García Campelo
- Abstract
Background:
EGFR tyrosine kinase inhibitors (TKIs) induce early activation of several signaling pathways. Interleukin-6 (IL-6) and signal transducer and activator of transcription 3 (STAT3) hyper-activation occur following EGFR TKI therapy in EGFR-mutant NSCLC cells. We explored the relevance of co-targeting EGFR, STAT3 and Src-YES-associated protein 1 (YAP1) signaling in EGFR-mutant NSCLC.
Methods:
We combined in vitro and in vivo approaches to explore whether concomitant activation of STAT3 and Src-YAP1 can limit the effectiveness of EGFR TKIs in EGFR-mutant NSCLC cells and xenograft models. In two cohorts of EGFR-mutant NSCLC patients, we examined messenger RNA (mRNA) gene expression within signaling pathways, leading to EGFR TKI resistance.
Results:
Gefitinib suppressed EGFR, ERK1/2 and AKT phosphorylation but increased STAT3 phosphorylation (pSTAT3-Tyr705). In EGFR mutant cells, gefitinib plus TPCA-1 (STAT3 inhibitor) abolished pSTAT3-Tyr705 but not the YAP1 phosphorylation on tyrosine 357 by Src family kinases (SFKs). The triple combination of gefitinib, TPCA-1 and AZD0530 (SFK inhibitor) ablated both STAT3 and YAP1 phosphorylation and was highly synergistic, according to the combination index. In two EGFR mutant xenograft mouse models, the triple combination of gefitinib, TPCA-1 and AZD0530 markedly and safely suppressed tumor growth. High levels of STAT3 or YAP1 mRNA expression were associated with worse outcome to EGFR TKI in 64 EGFR-mutant NSCLC patients. Median progression-free survival (PFS) was 9.6 (95%CI, 5.9-14.1) and 18.4 months (95%CI, 8.8-30.2) for patients with high and low STAT3 mRNA, respectively (p<0.001), (HR for disease progression, 3.02; 95% CI, 1.54-5.93; p=0.0013). Median PFS was 9.6 (95%CI, 7.7-15.2) and 23.4 months (95%CI, 13.0-28.1) for patients with high and low YAP1 mRNA, respectively (p=0.005), (HR for disease progression, 2.57; 95%CI, 1.30-5.09; p=0.0067). The results were similar in the validation cohort of 55 EGFR-mutant NSCLC patients treated with first-line EGFR TKI in the Department of Oncology of Shanghai Pulmonary Hospital.
Conclusion:
Our study reveals that STAT3 and Src-YAP1 signaling activation occurs following single EGFR TKI in EGFR-mutant NSCLC. STAT3 and YAP1 mRNA levels were significantly predictive of progression-free survival in the original as well as in the validation cohort of EGFR-mutant NSCLC patients. Co-targeting STAT3 and Src in combination with EGFR TKI could substantially improve survival.
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P3.02c - Poster Session with Presenters Present (ID 472)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 12/07/2016, 14:30 - 15:45, Hall B (Poster Area)
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P3.02c-098 - An Observational Study of the Efficacy and Safety of Nivolumab in Patients with Advanced NSCLC. A Galician Lung Cancer Group (ID 5581)
14:30 - 15:45 | Author(s): R. García Campelo
- Abstract
Background:
Nivolumab is an immune checkpoint inhibitor antibody and it has demonstrated durable responses and tolerability in pretreated patients with advanced NSCLC. This is an observational study to evaluate the efficacy and safety of nivolumab in previously treated patients with advanced NSCLC in the expanded access programme.
Methods:
Elegibility criteria included, histologically confirmed NSCLC clinical stage IIIB vs IV, evaluable disease, at least one prior therapy, performance status of 0/1 and an adequate organ function. Exclusion criteria included, positive test for hepatitis B, C or human immunodeficiency virus, severe autoinmune disease and patients with systemic corticosteroids or immunosuppressive medications. Patients received nivolumab 3 mg/kg IV (60 min) every 2 weeks until progressive disease (PD) or unacceptable toxicity. The aim of the study was to report the efficacy and safety profile of Nivolumab in pretreated patients with advanced NSCLC of our everyday clinical practice. The exploratory assessments include response rate (RR), progression-free survival (PFS), overall survival (OS) and treatment related adverse events (AEs).
Results:
From August of 2015 to February of 2016, with a median follow time of 7 months, 66 patients were enrolled from 7 different centers. The patients demographics were: median age 60 years, 19 female and 47 male; 7 never smoked and 59 former or current smoker; 45 patients adenocarcinoma, 4 large-cell carcinoma, 12 squamous-cell carcinoma and 4 NSCLC; 20 stage IIIB and 46 stage IV; 17 with central nervous system metastasis; 30 received 2 or more prior therapy lines and 62 had PS 1. Among 48 patients evaluated, 3% had complete response, 21% partial response, 27% disease stabilization and 21% disease progression. At the time of database lock, the median of PFS was 2.03 IC 95% (1.2-2.7) and OS was not reached. Grade 1-2 treatment related adverse events (AEs) occurred in 38 patients and the most common ones were asthenia (25), rash/pruritis (12), anorexia (7), endocrine (5) and diarrhea (4). Each of the toxicities were manageable and there were no grade 3-4 AEs or treatment-related deaths.
Conclusion:
Early data from this study suggests that Nivolumab is effective and well tolerated in patients with pretreated advanced NSCLC.
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PL03 - Presidential Symposium (ID 428)
- Event: WCLC 2016
- Type: Plenary
- Track:
- Presentations: 1
- Moderators:D.P. Carbone, R. Pirker
- Coordinates: 12/06/2016, 08:35 - 10:25, Hall D (Plenary Hall)
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PL03.07 - First-line Ceritinib Versus Chemotherapy in Patients With ALK-rearranged (ALK+) NSCLC: A Randomized, Phase 3 Study (ASCEND-4) (Abstract under Embargo until December 6, 7:00 CET) (ID 4987)
08:35 - 10:25 | Author(s): R. García Campelo
- Abstract
- Presentation
Background:
Here, we report results of ceritinib versus chemotherapy as first-line treatment for advanced ALK+ NSCLC.
Methods:
Untreated ALK+ (IHC confirmed), advanced, nonsquamous NSCLC patients (N=376; median age, 54 years) were randomized (1:1) to ceritinib 750 mg/day (n=189 [59 with brain metastases (BM)]) or chemotherapy (n=187 [62 with BM]; [pemetrexed 500 mg/m[2] plus cisplatin 75 mg/m[2] or carboplatin AUC 5-6] for 4 cycles followed by maintenance pemetrexed), stratified by WHO PS (0 vs 1-2), BM at screening, and prior neo-/adjuvant chemotherapy. Crossover from chemotherapy to ceritinib was allowed at progression (n=80 crossed-over).
Results:
Median treatment exposure was 66.4 weeks for ceritinib and 26.9 weeks for chemotherapy. Median follow-up duration was 19.7 months (randomization to cut-off date). The study met its primary objective, with ceritinib demonstrating statistically significant improvement in BIRC PFS (RECIST 1.1; median, 16.6 [12.6, 27.2] vs 8.1 months [5.8, 11.1], HR=0.55, P<0.001) versus chemotherapy. OS was immature (HR, 0.73 [0.50, 1.08]; P=0.056) with 42.3% of required events at interim analysis. ORR (BIRC, 72.5% vs 26.7%) and DOR (BIRC, median, 23.9 vs 11.1 months) were also higher with ceritinib versus chemotherapy. Among patients with measurable baseline BM and ≥1 postbaseline assessment, intracranial ORR (BIRC neuroradiologist; modified RECIST v1.1) was higher with ceritinib (72.7% [49.8, 89.3] vs 27.3% [10.7, 50.2]) versus chemotherapy (Table). Most common AEs (>50%) with ceritinib were diarrhea (84.7%), nausea (68.8%), vomiting (66.1%), ALT increase (60.3%), and AST increase (52.9%). Overall, 5.3% ceritinib- and 11.4% chemotherapy-treated patients discontinued due to AEs suspected to be drug-related. Figure 1
Conclusion:
First-line ceritinib achieved statistically significant and clinically meaningful improvement in median PFS with an estimated 45% risk reduction in advanced ALK+ NSCLC versus chemotherapy including maintenance. Moreover, ceritinib achieved high and durable systemic responses and high OIRR in patients with measurable BM. Safety profile of ceritinib is consistent with previously reported.
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