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M.C. Garassino
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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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OA03.02 - Atezolizumab as 1L Therapy for Advanced NSCLC in PD-L1–Selected Patients: Updated ORR, PFS and OS Data from the BIRCH Study (ID 4799)
11:00 - 12:30 | Author(s): M.C. Garassino
- Abstract
- Presentation
Background:
Atezolizumab, a humanized anti-PDL1 mAb, inhibits the PD-L1/PD-1 pathway to restore tumor-specific T-cell immunity, resulting in durable anti-tumor effects. BIRCH (NCT02031458) is a single-arm Phase II study of atezolizumab monotherapy in PD-L1–selected advanced NSCLC patients, across multiple therapy lines. Primary analyses (median follow-up, 8.5 months) demonstrated a meaningful ORR with durable response in chemotherapy-naive 1L and 2L+ PD-L1–selected patients. Here we report updated efficacy data in 1L patients.
Methods:
1L eligibility criteria included PD-L1–selected, advanced-stage NSCLC with no CNS metastases or prior chemotherapy. PD-L1 was centrally evaluated (VENTANA SP142 IHC assay). Patients expressing PD-L1 on ≥5% of tumor cells (TC) or tumor-infiltrating immune cells (IC), ie, TC2/3 or IC2/3, were enrolled. Patients with EGFR mutation or ALK rearrangement must have had prior TKI treatment. Atezolizumab 1200mg was administered IV q3w until radiographic disease progression or unacceptable toxicity. The primary endpoint was independent review facility(IRF)-assessed ORR. Secondary endpoints included investigator(INV)-assessed ORR, DOR, PFS (RECIST v1.1) and OS.
Results:
With a median follow-up of 14.6 months, median OS was not reached in TC3 or IC3 patients and was 20.1 months in TC2/3 or IC2/3 (ITT) patients; INV-assessed ORR was 32% and 24%, respectively (Table). Furthermore, ORR was 31% for mutant EGFR (n=13) vs 20% for wild-type EGFR patients (n=104), and 27% for mutant KRAS (n=33) vs 21% for wild-type KRAS patients (n=67). No new safety signals were observed. Updated efficacy (including IRF ORR), safety and exploratory biomarker analyses will be presented.
Conclusion:
With longer follow-up, atezolizumab continued to demonstrate promising efficacy in 1L NSCLC. These results indicate that atezolizumab has durable efficacy in the 1L setting, in EGFR and KRAS mutant and wild-type tumors, and support ongoing Phase III trials evaluating atezolizumab vs chemotherapy in 1L NSCLC.
NE, not estimable.[a ]TC ≥50% or IC ≥10% PD-L1–expressing cells.[b ]TC or IC ≥5% PD-L1–expressing cells.Endpoint(95% CI) TC3 or IC3[a](n=65) TC2/3 or IC2/3[b](n=139) INV ORR, % 32% (21.2–45.1) 24% (16.9–31.7) EGFR mutant/wild-type, % 25%/29% 31%/20% KRAS mutant/wild-type, % 38%/27% 27%/21% mDOR, mo 13.1 (8.5–NE) 13.1 (9.9–17.5) mOS, mo NE (12.0–NE) 20.1 (20.1–NE) 12-mo OS rate, % 61% (48.8–73.8) 66% (57.9–74.5) mPFS, mo 7.3 (4.9–12.0) 7.3 (5.6–9.1) 12-mo PFS rate, % 36% (23.8–48.8) 32% (24.0–40.7)
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P3.02c - Poster Session with Presenters Present (ID 472)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Advanced NSCLC
- Presentations: 2
- Moderators:
- Coordinates: 12/07/2016, 14:30 - 15:45, Hall B (Poster Area)
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P3.02c-095 - Italian Nivolumab Expanded Access Programme: Efficacy and Safety Data in Squamous Non Small Cell Lung Cancer Patients (ID 5159)
14:30 - 15:45 | Author(s): M.C. Garassino
- Abstract
Background:
Nivolumab monotherapy has shown survival benefit in patients (pts) with melanoma, lung cancer, renal cell carcinoma and head and neck cancer. The experience of pts and physicians in routine clinical practice is often different from those in a controlled clinical trial setting. Here, we report efficacy and safety of nivolumab monotherapy in pts with squamous non small cell lung cancer (Sq-NCSLC) treated in the nivolumab Expanded Access Programme in Italy.
Methods:
Nivolumab was available upon physician request for pts aged ≥18 years who had relapsed after a minimum of one prior systemic treatment for stage IIIB/stage IV Sq-NSCLC. Nivolumab 3 mg/kg wass administered intravenously every 2 weeks to a maximum of 24 months. Pts included in the analysis had received at least 1 dose of nivolumab and were monitored for adverse events (AE) using Common Terminology Criteria for Adverse Events.
Results:
In total, 371 Italian pts participated in the EAP across 96 centres and 363 patients were evaluable for response. With a median follow-up of 5.2 months (range 0-12.9) and a median of 7 doses, the best overall response rate (BORR) was 18%, with 3 complete responses (CR) and 62 partial responses (PR), and the disease control rate (DCR) was 47%. DCR was comparable among pts regardless previous lines of therapy, brain metastasis, age and smoking habits. A non-conventional benefit was observed in 23 (17 SD and 6 PR) out of 66 pts treated beyond RECIST defined progression. As of April 2016, median progression-free survival and median overall survival were 3.9 (95% CI: 3.2-4.6) and 9.1 (95% CI: 6.7-11.5) months, respectively. Regarding the safety profile, 267 out of 371 pts (72%) had at least one AE of any grade, considered to be drug-related in 106 pts (29%). Grade 3/4 AE were reported in 66 pts and considered to be drug-related in 20 pts (5%). AE were generally manageable following the specific guidelines.
Conclusion:
To date, this is the largest clinical experience with nivolumab in a real-world setting. These preliminary EAP data seems to confirm the efficacy and safety data of nivolumab from registrational trials, supporting its use in current clinical practice for pre-treated pts with Sq-NCSLC.
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P3.02c-096 - Use of Nivolumab in Elderly Patients with Advanced Squamous NSCLC: Results from the Italian Expanded Access Programme (EAP) (ID 5706)
14:30 - 15:45 | Author(s): M.C. Garassino
- Abstract
Background:
The efficacy and safety of nivolumab in patients with squamous NSCLC (sq-NSCLC) have been demonstrated in several trials including the phase 3, randomized, controlled CheckMate 017 study whose results led to the approval of the product for this indication. However, data on the use of nivolumab in the real world setting is still limited and collecting it is paramount. The Italian nivolumab EAP for sq-NSCLC represents an important source of information in that respect. The current analysis describes results of the use of nivolumab in the group of EAP patients aged >75 years.
Methods:
Nivolumab was provided upon physicians’ request for patients aged ≥18 years who had relapsed after a minimum of one prior systemic treatment for stage IIIB/stage IV Sq-NSCLC. Nivolumab 3 mg/kg was administered intravenously every 2 weeks for <24 months. Patients included in the analysis received ≥1 dose of nivolumab and were monitored for adverse events (AEs) using Common Terminology Criteria for Adverse Events.
Results:
70 out of 372 (18.8%) patients with advanced Sq-NSCLC participating in the EAP in Italy were ≥75 years old and 68 of them were evaluable for response. With a median number of doses of 7 (range, 1–20) and a median follow-up of 4.7 months, the disease control rate was 42.9%, including 13 patients with a partial response and 17 with stable disease. 16 pts were treated beyond RECIST-defined progression and 5 of them achieved disease control. As of April 2016, the median progression-free survival and median overall survival among those elderly patients were 3.2 and 7.6 months, respectively. Among 70 pts, 41 pts (58.6%) discontinued treatment for any reason except toxicity; 8 out of 70 discontinued due to AE (11.4%).
Conclusion:
This analysis, conducted on elderly patients with sq-NSCLC in a real life setting, suggests that nivolumab is an effective and well tolerated treatment for this special population.
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P3.03 - Poster Session with Presenters Present (ID 473)
- Event: WCLC 2016
- Type: Poster Presenters Present
- Track: Mesothelioma/Thymic Malignancies/Esophageal Cancer/Other Thoracic Malignancies
- Presentations: 1
- Moderators:
- Coordinates: 12/07/2016, 14:30 - 15:45, Hall B (Poster Area)
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P3.03-042 - Study Comparing Volume and TNM in Predicting Clinical Outcome in Malignant Pleural Mesothelioma (ID 6018)
14:30 - 15:45 | Author(s): M.C. Garassino
- Abstract
Background:
Malignant pleural mesothelioma (MPM) is a rare cancer with relatively poor outcome. Only stage (TNM) and histotype can be considered prognostic factors, but TNM still results inaccurate and difficult to be classified. Several studies investigated the use of tumor volume (TV) for response assessment, but its role as predictor of survival is unclear. A cut-off of 600 cm[3 ]seemed to divide patients (pts) with different prognosis. Our objective is to assess the association between baseline TV, stage/TNM and overall survival (OS).
Methods:
We retrospectively selected 49 MPM pts treated from August 2002 to January 2012. All pts had a digitally available baseline chest computed tomography (CT), performed before any treatment and up to 3 months after histological diagnosis. CT staging was carried out by two thoracic radiologists according to TNM staging system (7[th] Edition). Pleural disease volume mesaurements were obtained by a computer system. Major prognostic variables (age, sex, histology, TV, stage/TNM, treatment) were collected. Pts were divided in 2 groups according to baseline TV (large volume >600cm[3]; small volume <=600cm[3]). Association of volume groups, stage, T, N, M separately and OS was tested using Cox models adjusted by age, sex, histology and surgery.
Results:
Thirty-three pts were men, 16 women; median age was 62 years (range 25-78). Forty pts had epithelioid MPM, 7 mixed histology, 2 unknown histology. Four pts were diagnosed in early stage (I-II) and 45 in advanced stage (III-IV). The mean baseline TV was 494.15 cm[3 ](range 17.91- 2,329.03). Pts with small volume had a slight but not statistically significant tendency to survive longer than pts with large volume (3-year OS=32% vs 21%, respectively). The HR was 1.5 (95% CI=0.6-3.7) for large volume pts, 4.3 (p=0.08;95%CI=0.8-22.1) and 7.5 (p=0.02;95%CI=1.4-39.9) for stage III and IV, 7.0 (p=0.001;95%CI=2.3-21) and 5.4 (p=0.005;95%CI=1.7-17.4) for T3 and T4, respectively. Regarding N and M, not statistically significant results were observed.
Conclusion:
Coherently with the available literature, we report an association between baseline TV and prognosis; however it seems weak and barely near to statistical significancy. On the contrary, stage, in particular T3, showed a stronger association with prognosis. Considering the small sample and the wide 95% CI, our results should be interpreted with caution; nevertheless they open a critical question on the TV prognostic role and suggest a greater relevance of adjacent organs infiltration in predicting prognosis. Further collaborative studies are needed.
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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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PL03.03 - Randomised Phase III Study of Osimertinib vs Platinum-Pemetrexed for EGFR T790M-Positive Advanced NSCLC (AURA3) (Abstract under Embargo until December 6, 7:00 CET) (ID 4452)
08:35 - 10:25 | Author(s): M.C. Garassino
- Abstract
- Presentation
Background:
Osimertinib is a potent, irreversible, CNS active, epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) selective for sensitising (EGFRm) and T790M resistance mutations. Osimertinib is indicated for the treatment of patients with locally advanced or metastatic EGFR T790M-positive NSCLC. AURA3 (NCT02151981) is a Phase III, open-label, randomised study assessing the efficacy and safety of osimertinib versus platinum-based chemotherapy plus pemetrexed in patients with EGFR T790M-positive advanced NSCLC, whose tumours progressed on first-line EGFR-TKI therapy.
Methods:
Eligible patients were ≥18 years with documented EGFRm, radiological disease progression following first-line EGFR-TKI and centrally confirmed T790M-positive (by cobas® EGFR Mutation Test) from a tissue biopsy after disease progression. Asymptomatic, stable CNS metastases were allowed. Patients were randomised 2:1 to osimertinib 80 mg orally, once daily or platinum-pemetrexed (pemetrexed 500 mg/m[2] plus either cisplatin 75 mg/m[2] or carboplatin AUC5) every three weeks for up to six cycles; pemetrexed could be continued as maintenance treatment. Primary endpoint was progression-free survival (PFS) by investigator assessment according to RECIST v1.1; sensitivity analysis was by blinded independent central review (BICR).
Results:
A total of 419 patients were randomised to treatment (osimertinib, n=279; platinum-pemetrexed, n=140). Baseline characteristics were generally balanced across treatment groups: female 64%, Asian 65%, never smoker 68%, CNS metastases 34%, EGFR exon 19 deletion 66%. Osimertinib significantly improved PFS compared with platinum-pemetrexed: hazard ratio [HR] 0.30; 95% CI: 0.23, 0.41; p<0.001 (median 10.1 months vs 4.4 months). The result was consistent with PFS analysis by BICR: HR 0.28; 95% CI: 0.20, 0.38; p<0.001 (11.0 months vs 4.2 months). Objective response rate was significantly improved with osimertinib (71%) vs platinum-pemetrexed (31%); odds ratio 5.39 (95% CI: 3.47, 8.48; p<0.001). Median duration of response was 9.7 months (95% CI 8.3, 11.6) with osimertinib and 4.1 months (95% CI 3.0, 5.6) with platinum-pemetrexed. Grade ≥3 causally-related adverse events (AEs) as assessed by the investigator were reported in 6% of patients (n=16) treated with osimertinib and 34% (n=46) treated with platinum-pemetrexed. Most common causally-related AEs in the osimertinib group: diarrhoea (29% [grade ≥3, 1%]), rash (28% [<1%]); in the platinum-pemetrexed group: nausea (47% [3%]), decreased appetite (32% [3%]).
Conclusion:
In patients with EGFR T790M-positive advanced NSCLC following progression on EGFR-TKI treatment, osimertinib demonstrated a superior clinically-meaningful efficacy over platinum-pemetrexed, with a 70% reduction in the risk of disease progression, and well-characterised safety profile, establishing the new standard of care for these patients.
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PL04a - Plenary Session: Immune Checkpoint Inhibitors in Advanced NSCLC (ID 430)
- Event: WCLC 2016
- Type: Plenary
- Track: Chemotherapy/Targeted Therapy/Immunotherapy
- Presentations: 1
- Moderators:J. Soria, C. Zhou
- Coordinates: 12/07/2016, 08:45 - 09:40, Hall D (Plenary Hall)
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PL04a.03 - Durvalumab in ≥3rd-Line Locally Advanced or Metastatic, EGFR/ALK Wild-Type NSCLC: Results from the Phase 2 ATLANTIC Study (Abstract under Embargo until December 7, 7:00 CET) (ID 5336)
08:45 - 09:40 | Author(s): M.C. Garassino
- Abstract
- Presentation
Background:
Treatment with anti-PD-1/PD-L1 antibodies has demonstrated meaningful clinical benefit in patients with advanced NSCLC. Patients that progress after 2 lines of chemotherapy have few treatment options and poor outcomes. Durvalumab is an engineered human IgG1 mAb targeting programmed cell death ligand-1 (PD-L1).
Methods:
ATLANTIC (NCT02087423) is a Phase 2, open-label, single-arm trial in patients with locally advanced or metastatic Stage IIIB–IV NSCLC (WHO PS 0 or 1; ≥2 prior systemic treatment regimens, including one platinum-based). There was no maximum number of prior treatments. The study initially enrolled all-comers and then was restricted to patients with PD-L1 high tumours (≥25% of tumour cells with membrane staining). The study includes three cohorts; here we report final results in Cohorts 2 and 3 that had EGFR/ALK wild-type or unknown status. Patients enrolled in Cohort 3 had ≥90% of tumour cells with PD-L1 staining. The primary endpoint is ORR (RECIST v1.1), based on independent central review. Secondary endpoints include DCR, DoR, PFS, OS, and safety (CTCAE v4.03).
Results:
As of 3 June 2016, in Cohorts 2/3, 265/68 patients (median age 62/61 years, 67/72% PS 1, 21/29% squamous histology; mean of 3.2/2.6 prior therapies) had received durvalumab (10 mg/kg i.v. q2w). Responses were durable; in Cohort 2, patients with PD-L1 ≥25%, the ORR was similar in patients with squamous and non-squamous histology.
Most AEs were low grade and resolved with treatment delay and/or immunosuppressive interventions. Overall, 10.2% of patients had Grade ≥3 treatment-related AEs and 2.7% had treatment-related AEs leading to discontinuation.Cohort 2 Cohort 3 PD-L1 high (≥25%) PD-L1 low/negative (<25%) PD-L1 ≥90% n=146 n=93 n=68 ORR,* %(95%CI) 16.4(10.8-23.5) 7.5(3.1-14.9) 30.9(20.2-43.3) DCR, %(95%CI) 28.8(21.6-36.8) 20.4(12.8-30.1) 38.2(26.7-50.8) mDoR, months(25[th], 75[th] percentile) 12.3(7.5-NR) NR(7.2-NR) NR; 18/21 responders progression free at DCO n=149 n=94 n=67 mPFS, months(95%CI) 3.3(1.9-3.7) 1.9(1.8-1.9) 2.4(1.8-5.5) mOS, months(95%CI) 10.9(8.6-13.6) 9.3(5.9-10.8) NR(5.9-NC) 1-year OS, %(95%CI) 47.7(39.3-55.5) 34.5(25.0-44.1) 50.8(36.9-63.2) mFollow-up for OS, months 9.4 9.3 7.0 *Confirmed response per independent central review. DCO=data cutoff; DCR=disease control rate (complete response, partial response or stable disease ≥24 weeks); DoR=duration of response; m=median; NC=not calculated; NR=not reached; ORR=objective response rate; OS=overall survival; PFS=progression-free survival
Conclusion:
Durvalumab was active and led to durable responses in a heavily pretreated metastatic NSCLC population; activity was numerically greater for patients whose tumours exceeded the 25% PD-L1 cutoff. The tolerability profile was manageable. Results are consistent with other anti-PD-1/PD-L1 therapies in metastatic, relapsed NSCLC and support further development of durvalumab.
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PR04 - Press Conference: Advanced Care (ID 404)
- Event: WCLC 2016
- Type: Press Conference
- Track:
- Presentations: 1
- Moderators:C. Zielinski
- Coordinates: 12/07/2016, 10:30 - 11:45, Schubert 1
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PR04.03 - Durvalumab in ≥3rd-Line Locally Advanced or Metastatic, EGFR/ALK Wild-Type NSCLC: Results from the Phase 2 ATLANTIC Study (ID 7215)
10:30 - 11:45 | Author(s): M.C. Garassino
- Abstract
- Presentation
Abstract not provided
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