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Hossein Borghaei
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MTE 15 - Biomarkers for Immune Checkpoint Inhibitors (Sign Up Required) (ID 564)
- Event: WCLC 2017
- Type: Meet the Expert
- Track: Immunology and Immunotherapy
- Presentations: 1
- Moderators:
- Coordinates: 10/17/2017, 07:00 - 08:00, Room 301 + 302
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MTE 15.02 - Fast and Deeper Responders with IO: How to Select Them? (ID 7796)
07:00 - 08:00 | Presenting Author(s): Hossein Borghaei
- Abstract
- Presentation
Abstract not provided
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OA 14 - New Paradigms in Clinical Trials (ID 681)
- Event: WCLC 2017
- Type: Oral
- Track: Clinical Design, Statistics and Clinical Trials
- Presentations: 1
- Moderators:Alex Adjei, Eun Kyung Cho
- Coordinates: 10/18/2017, 11:00 - 12:30, Room 311 + 312
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OA 14.07 - Progress in Lung Squamous Cell Carcinoma from the Lung-MAP Master Protocol (S1400) Sub-Studies S1400A, S1400B, S1400C and S1400D (ID 9593)
11:00 - 12:30 | Author(s): Hossein Borghaei
- Abstract
- Presentation
Background:
Lung-MAP (S1400) is a master umbrella protocol designed to establish genomic screening for previously treated squamous cell lung cancer patients (SqCCA), and independently evaluate targeted therapies with matching biomarkers and alternative therapies (designated non-match therapy) in patients without putative markers. The protocol opened June 16, 2014 with four biomarker-driven sub-studies and one non-match sub-study.
Method:
Eligibility stipulated advanced SqCCA, progressing after at least one prior platinum-based chemotherapy, PS 0–2, and EGFR/ALK wild-type. Tumor samples were required and analyzed for gene alterations by FoundationOne NGS assay (Foundation Medicine). The original biomarker and non-match studies were: S1400B evaluating taselisib for PI3K mutations, S1400C evaluating palbociclib for cell cycle gene alterations (CCGA), S1400D evaluating AZD4547 for FGFR mutations, S1400E evaluating rilotumumab and erlotinib for c-MET positive tumors, and S1400A evaluating durvalumab in patients with no matching biomarkers. The original design included randomization to a control arm, but was amended to a single-arm phase 2 design. The primary endpoint for each modified sub-study was response.
Result:
As of June 16, 2017 all original sub-studies have been closed to accrual; 1298 patients registered to the screening component of the trial and 486 patients have registered to a sub-study. Two new sub-studies have been launched and are currently accruing. Details of the completed sub-studies are included in the table.Sub-study Final Accrual Biomarker prevalence/% of sub-study registrations Closure Date Response to investigational therapy N (%) Status S1400A (non-match) Total: 116 Durvalumab: 78 Docetaxel: 38 NA/59% 12/18/15 Docetaxel arm closed: 4/22/15 11 (16%) Administratively closed to enable activation of new non-match study. S1400B PI3K Total: 39 taselisib: 31 Docetaxel: 8 8%/9% 12/12/16 Docetaxel arm closed: 12/18/15 1 (4%) Closed at interim futility analysis. S1400C (CCGA+) Total: 54 Palbociclib: 37 Docetaxel: 17 19%/15% 09/01/16 Docetaxel arm closed: 12/18/15 2 (6%) Closed at interim futility analysis. S1400D (FGFR+) Total: 45 AZD4547: 35 Docetaxel: 10 16%/12% 10/31/16 Docetaxel arm closed: 12/18/15 2 (7%) Closed at interim futility analysis. S1400E (MET+) Total: 9 R+E: 4 E: 5 N/A (closed too early) 11/26/2014 N/A Closed d/t discontinuation of development of rilotumumab
Conclusion:
Lung-MAP as a master genomic screening protocol has demonstrated feasibility with respect to accrual and evaluation of targeted therapies in lower prevalence patient populations. This dynamic, centralized, single-IRB platform is well positioned to efficiently assess multiple novel therapeutics for advanced SqCCA patients.
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OA 17 - Immunotherapy II (ID 683)
- Event: WCLC 2017
- Type: Oral
- Track: Immunology and Immunotherapy
- Presentations: 2
- Moderators:Yuichiro Ohe, Anne Tsao
- Coordinates: 10/18/2017, 14:30 - 16:15, Room 301 + 302
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OA 17.01 - Pemetrexed-Carboplatin Plus Pembrolizumab as First-Line Therapy for Advanced Nonsquamous NSCLC: KEYNOTE-021 Cohort G Update (ID 9059)
14:30 - 16:15 | Presenting Author(s): Hossein Borghaei
- Abstract
- Presentation
Background:
Cohort G of the multicenter, open-label, phase 1/2 KEYNOTE-021 study (ClinicalTrials.gov, NCT02039674) evaluated efficacy and safety of pembrolizumab + pemetrexed and carboplatin (PC) compared with PC alone as first-line therapy for patients with advanced nonsquamous NSCLC. At the primary analysis of cohort G (minimum follow up, 6 months; median, 10.6 months), pembrolizumab significantly improved ORR (estimated treatment difference, 26%; P=0.0016) and PFS (hazard ratio [HR], 0.53; P=0.010). The HR for OS was 0.90 (95% CI, 0.42‒1.91). In a subsequent analysis (median follow-up, 14.5 months), the HR for OS was 0.69 (95% CI, 0.36‒1.31). We present results from the May 31, 2017 data cutoff.
Method:
Patients with stage IIIB/IV nonsquamous NSCLC, no prior systemic therapy, and no EGFR mutation or ALK translocation were randomized 1:1 (stratified by PD-L1 TPS ≥1% versus <1%) to receive 4 cycles of carboplatin AUC 5 + pemetrexed 500 mg/m[2] Q3W with or without pembrolizumab 200 mg Q3W. Pembrolizumab treatment continued for up to 2 years; maintenance pemetrexed was permitted in both arms. Eligible patients in the PC arm with radiologic progression could cross over to pembrolizumab monotherapy. Response was assessed by blinded, independent central review per RECIST v1.1. All P values are nominal (one-sided P<0.025).
Result:
123 patients were randomized. Median follow-up was 18.7 months (range, 0.8‒29.0 months). 40 of 53 (75%) patients in the PC arm who discontinued received subsequent anti-PD-1/anti-PD-L1 therapy (including 25 who received pembrolizumab in the on-study cross over). ORR was 57% with pembrolizumab + PC versus 32% with PC (estimated difference, 25%; 95% CI, 7%‒41%; P=0.0029). PFS was significantly improved with pembrolizumab + PC versus PC (HR, 0.54; 95% CI, 0.33‒0.88; P=0.0067) with median (95% CI) PFS of 19.0 (8.5‒NR) months versus 8.9 (6.2‒11.8) months. The HR for OS was 0.59 (95% CI, 0.34‒1.05; P=0.0344). Median (95% CI) OS was not reached (22.8‒NR) months for pembrolizumab + PC and 20.9 (14.9‒NR) months for PC alone; 18-month OS rates were 70% and 56%, respectively. Grade 3–5 treatment-related AEs occurred in 41% of patients in the pembrolizumab + PC arm versus 29% in the PC arm.
Conclusion:
Over the course of the 3 analyses, the HR for OS continues to improve for pembrolizumab + PC versus PC (HR: 0.90 to 0.69 to 0.59). The significant improvements in PFS and ORR with pembrolizumab + PC versus PC first observed in the primary analysis have been maintained with longer follow-up (median, 18.7 months).
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OA 17.03 - First-Line Nivolumab plus Platinum-Based Doublet Chemotherapy for Advanced NSCLC: CheckMate 012 3-Year Update (ID 9043)
14:30 - 16:15 | Author(s): Hossein Borghaei
- Abstract
- Presentation
Background:
Platinum-based doublet chemotherapy is the standard-of-care first-line treatment for most patients with advanced NSCLC, but responses are not durable (~4.5–6 mo). Chemotherapy may sensitize NSCLC tumors to immune checkpoint inhibitors. Nivolumab, a fully human programmed death (PD)-1 antibody, demonstrated long-term survival benefit in patients with previously treated advanced NSCLC. Here we report the 3-year update of safety and efficacy of first-line nivolumab combined with chemotherapy in the phase 1 CheckMate 012 study (NCT01454102).
Method:
Chemotherapy-naïve patients with stage IIIB/IV NSCLC were randomly assigned based on histology in 3 cohorts combining nivolumab Q3W with 3 platinum-based doublet chemotherapy regimens: nivolumab 10 mg/kg + gemcitabine-cisplatin (all squamous histology), nivolumab 10 mg/kg + pemetrexed-cisplatin (all non-squamous), and nivolumab 10 mg/kg or 5 mg/kg + paclitaxel-carboplatin (any histology). After 4 cycles of nivolumab plus chemotherapy, patients received nivolumab monotherapy until progression or unacceptable toxicity. The primary objective was safety. ORR, PFS, and OS were secondary/exploratory endpoints.
Result:
56 patients were treated. Median age was 63.5 years, 46% were male, and 14% were never-smokers; 29% of tumors had squamous histology. At database lock (September 19, 2016) the minimum follow-up was 45.5 mo. Median duration of chemotherapy treatment was ~12 weeks (4 cycles; range: 3–18 weeks) and median duration of nivolumab treatment was 17–22 weeks across cohorts (range: 3–204). No new safety signals were observed in patients receiving nivolumab maintenance compared with the September 2014 database lock. ORR was 46%. Median duration of response was 10.4 mo (95% CI: 5.1, 26.3). Median PFS was 6.0 mo (95% CI: 4.8, 8.3). Median OS was 19.2 mo (95% CI: 14.1, 23.8), and the 3-year OS rate was 25%. ORR and OS were similar in patients with tumor PD-L1 expression <1% (n=23) vs ≥1% (n=23): ORR 48% vs 52%; median OS 19.2 mo (95% CI: 12.2, 23.8) vs 20.2 mo (95% CI: 10.9, 27.2). The 3-year OS rate was 22% in both PD-L1 expression subgroups.
Conclusion:
Nivolumab plus chemotherapy resulted in prolonged survival in a subset of patients, with a 3-year OS rate of 25%. In all patients, ORR and OS were similar irrespective of tumor PD-L1 expression. These results support further evaluation of nivolumab-chemotherapy combinations as first-line treatment for advanced NSCLC, which are being explored in CheckMate 227 (NCT02477826).
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P2.01 - Advanced NSCLC (ID 618)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 10/17/2017, 09:00 - 16:00, Exhibit Hall (Hall B + C)
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P2.01-040 - Pemetrexed plus Platinum Chemotherapy with or Without Immunotherapy in Non-Squamous NSCLC: Descriptive Safety Analysis (ID 9882)
09:00 - 16:00 | Author(s): Hossein Borghaei
- Abstract
Background:
Pemetrexed/platinum doublet chemotherapy is under investigation in combination with various immunotherapeutic agents (atezolizumab, nivolumab, pembrolizumab) for treatment of advanced non-squamous (NS) NSCLC, with reported durable efficacy and tolerability in early-phase clinical trials. Recently, the combination of pembrolizumab plus pemetrexed/carboplatin received US FDA accelerated approval as front-line treatment for patients with this disease based on the data from a randomized phase II trial, KEYNOTE-021 Cohort G. We present our descriptive analysis of the safety outcomes of pemetrexed (combination) from 3 randomized trials (PRONOUNCE, PARAMOUNT, and KEYNOTE-021 Cohort G).
Method:
Criteria for selection of studies included randomized trials, first-line treatment for NS NSCLC patients with pemetrexed-based combination treatment, with or without immunotherapy, followed by continuation maintenance (at least one arm or cohort). Parameters such as baseline characteristics, dose exposure, and safety outcomes (AE, SAE, death, dose delay or discontinuation, AE management, and hospitalization) are compared.
Result:
Using data from PRONOUNCE (n=182), PARAMOUNT (n=359), and KEYNOTE-021 (Cohort G, n=123) we describe the safety outcomes of pemetrexed/platinum-based combination therapy. Median age of patients from 3 studies was 61- 66 years. The majority of patients in PRONOUNCE and PARAMOUNT were male, whereas female in KEYNOTE-021G; with ECOG PS 1, and adenocarcinoma. The number of patients who completed 4 cycles of induction were 70.8%, 67.8%, 88.1%, and 71.0% in PRONOUNCE, PARAMOUNT, and KEYNOTE 021G Combo arm and Pem+Cb only arm, with median number of treatment cycles of 6, 8, 11, 8, respectively. All pemetrexed combinations with/without immunotherapy had a reasonable and manageable safety profile in our analysis (Table 1). Figure 1
Conclusion:
This analysis provides a comprehensive safety overview of pemetrexed/platinum with or without immunotherapy in NS NSCLC. Ongoing phase 3 randomized studies of the combination could further inform the safety/efficacy of pemetrexed/platinum plus immunotherapy.
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P3.03 - Chemotherapy/Targeted Therapy (ID 719)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Chemotherapy/Targeted Therapy
- Presentations: 1
- Moderators:
- Coordinates: 10/18/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
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P3.03-031b - Results of a Phase II Study of Stereotactic Radiosurgery Followed by Erlotinib for Patients with EGFR Mutation and Progression in 5 or Fewer Sites (ID 10207)
09:30 - 16:00 | Author(s): Hossein Borghaei
- Abstract
Background:
For patients with metastatic EGFR mutated NSCLC, 1[st] line treatment with EGFR TKIs such as erlotinib result in a median PFS of about 10 months. In patients with a limited number of progressing lesions, local ablation therapy (LAT) of progressive lesions followed by re-initiation of TKI has shown promise in retrospective studies but to date this strategy has not been testing in prospective fashion.
Method:
As part of an IRB approved open label prospective phase II trial, patients with EGFR mutated NSCLC and immediate progression on a TKI in < 5 locations were treated with stereotactic radiosurgery (SRS) to progressing lesions followed by re-initiation of erlotinib. Our primary endpoint was PFS, and we hypothesized that it would be at least 3 months.
Result:
25/40 planned patients were enrolled; data are available on 23 and will be updated prior to the conference to include 25. By local reporting, 14 had exon 19, 5 had exon 21, 1 had compound exon 18 and exon 20, 1 had compound exon 19 and EML4/ALK and 2 were unknown. 65% were female, all were non-Hispanic white, median age 62.5, PS0 65.2%/PS1 34.8%, median Charlson Comorbidity Index 6, and 71.4% were never smokers. Median number of lesions treated was 1 (range 1-3). There were no G3-4 AEs to SRS. Two subjects had grade 3 rash on erlotinib. Median PFS post treatment was 5.8 months (95% CI, 2.5 to 11.3) and median OS was 2.9 years (95% CI 1.1 to 2.9). Serum proteomics showed a Veristrat good signature for all but one subject; this result changed to good following LAT. No signatures turned to poor at progression.
Conclusion:
LAT resulted in a modest extension in the duration of targeted therapy, supporting retrospective data in this population. Accrual to this study has been challenging due to the availability of 3[rd] generation EGFR TKIs and because LAT is often done outside of a clinical trial.
