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J. Bennouna
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MA09 - Immunotherapy Combinations (ID 390)
- Event: WCLC 2016
- Type: Mini Oral Session
- Track: Chemotherapy/Targeted Therapy/Immunotherapy
- Presentations: 1
- Moderators:M. Sebastian, E.B. Garon
- Coordinates: 12/06/2016, 14:20 - 15:50, Strauss 2
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MA09.11 - Efficacy and Safety of Necitumumab and Pembrolizumab Combination Therapy in Stage IV Nonsquamous Non-Small Cell Lung Cancer (NSCLC) (ID 4712)
14:20 - 15:50 | Author(s): J. Bennouna
- Abstract
- Presentation
Background:
Trials of anti-EGFR necitumumab and anti-PD1 pembrolizumab demonstrate the anti-tumor activity of each agent in NSCLC.
Methods:
Single-arm, multicenter Phase 1b study to investigate effectiveness and safety of necitumumab combined with pembrolizumab in patients with Stage IV NSCLC (NCT02451930). In Part A, escalating doses of necitumumab (600 mg and 800 mg IV) were administered on Day 1 and 8 every 3 weeks (Q3W) in combination with pembrolizumab (200 mg IV) on Day 1 Q3W. In the absence of dose limiting toxicity, Part B (expansion cohort) was planned with necitumumab 800 mg in 27 squamous and 27 nonsquamous NSCLC patients. Major eligibility criteria included: progression after ≥1 platinum-based chemotherapy, and ECOG PS 0-1. Study objectives were to evaluate tolerability and ORR by RECIST 1.1. PD-L1 status was centrally assessed using PD-L1 IHC 22C3 pharmDx assay (considered negative, weak positive, strong positive if <1%, 1-49%, ≥50% of tumor cells were stained, respectively).
Results:
The interim analysis population includes 34 nonsquamous patients (median age 61 years, 68% men, 21% never smokers, PD-L1 status: negative, 50% [17/34]; positive weak/strong, 15% [5/34]/15% [5/34]; unknown 21% [7/34[BJ1] ]). Median follow-up was 6.0 months. Ten patients (29.4%) had PR (confirmed and unconfirmed) (PRs by PD-L1 status: negative, 18% [3/17]; positive weak/strong, 60% [3/5]/40% [2/5]; unknown status, 2 patients). DCR was 67.6%. PFS rate at 6 months was 55.1% (95% CI, 36.2-70.6); median PFS was 6.9 months (95% CI, 2.7-NR). Most common Grade ≥3 AEs were skin rash (9%), hypomagnesemia (9%), VTE (9%) and increased lipase (9%); 1 patient died due to an AE (respiratory tract infection). Five patients (14.7%) discontinued therapy because of an AE. Figure 1
Conclusion:
Safety profile corresponds to individual profiles for both drugs, with no additive toxicities. These preliminary data suggest activity of this combination in a pretreated nonsquamous NSCLC population, irrespective of PD-L1 status.
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OA03 - Immunotherapy Checkpoint Inhibitors in Advanced NSCLC (ID 367)
- Event: WCLC 2016
- Type: Oral Session
- Track: Chemotherapy/Targeted Therapy/Immunotherapy
- Presentations: 1
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OA03.03 - JAVELIN Solid Tumor: Safety and Clinical Activity of Avelumab (Anti-PD-L1) as First-Line Treatment in Patients with Advanced NSCLC (Abstract under Embargo until December 5, 7:00 CET) (ID 3717)
11:00 - 12:30 | Author(s): J. Bennouna
- Abstract
- Presentation
Background:
Avelumab* (MSB0010718C) is a fully human anti-PD-L1 IgG1 antibody that has shown antitumour activity in various malignancies. We report safety and clinical activity of avelumab as first-line therapy in a cohort of patients with non-small–cell lung cancer (NSCLC) from a phase 1b trial (NCT01772004).
Methods:
Patients with advanced NSCLC not previously treated systemically for metastatic or recurrent disease, without an activating EGFR mutation or ALK rearrangement, and not preselected for PD-L1 expression, received avelumab 10 mg/kg IV over 1 hour Q2W until progression, unacceptable toxicity, or study withdrawal. Objective response rate (ORR) and progression-free survival (PFS) were evaluated by RECIST v1.1. Adverse events (AEs) were graded by NCI-CTCAE v4.0.
Results:
As of 23 Oct 2015, 145 patients had received avelumab (median 10 weeks of treatment; range 2-30) and were followed for a median of 13 weeks (range 0-31). Median age was 70 years (range 41-90), ECOG PS was 0 (31.0%) or 1 (69.0%), and tumour histology was adenocarcinoma (63.4%) or squamous (26.9%) in most patients. Eighty-two patients (56.6%) had a treatment-related (TR) AE; those occurring in ≥10% were infusion-related reaction (IRR; n=24, 16.6%) and fatigue (n=21, 14.5%). Thirteen patients (9.0%) had a grade ≥3 TRAE; only IRR and fatigue occurred in >1 patient (each n=3, 2.1%). Four patients (2.8%) had a potential immune-mediated TRAE, all grade 1-2 (pneumonitis n=3, 2.1%; hypothyroidism n=1, 0.7%). There were no treatment-related deaths. Among 75 patients with ≥3 months’ follow-up, unconfirmed ORR was 18.7% (95% CI: 10.6, 29.3) based on 1 complete response and 13 partial responses; 12 were ongoing. Thirty-four additional patients (45.3%) had stable disease as best response (disease control rate 64.0%). Updated analysis will be presented, including efficacy data with ≥3 months’ follow-up in all patients and PD-L1 analysis.
Conclusion:
First-line avelumab monotherapy showed clinical activity and was well-tolerated in patients with EGFR-wildtype/ALK-negative NSCLC unselected for PD-L1 expression. A phase 3 trial of avelumab vs platinum-doublet in first-line NSCLC is in progress. *Proposed nonproprietary name.
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