Impact of KRAS allele subtypes and concurrent genomic alterations on clinical outcomes to programmed death 1 axis blockade in non-small cell lung cancer.

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. 9082-9082 ◽  
Author(s):  
Biagio Ricciuti ◽  
Gonzalo Recondo ◽  
Renato Umeton ◽  
Mizuki Nishino ◽  
Lynette M. Sholl ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Checkpoint Inhibitors ◽  
Progression Free Survival ◽  
Small Cell ◽  
Small Cell Lung ◽  
Genomic Alterations ◽  
Programmed Death ◽  
The Impact

9082 Background: Immune checkpoint inhibitors (ICI) treatment can result in durable responses for KRAS-mutant (mut) non-small cell lung cancer (NSCLC). The impact of KRAS allele subtypes and concurrent genomic alterations on ICIs efficacy is unknown. Methods: We collected clinicopathologic and genomic data from patients (pts) with advanced NSCLC treated with programmed death (PD)-1 axis inhibition at the Dana-Farber Cancer Institute. We evaluated outcomes to ICIs according to KRAS mut alleles and concurrent STK11 and KEAP1 mut. Results: Of 617 ICI-treated NSCLCs, 181 (29.3%) had KRAS mut. Median TMB (mTMB) and median PD-L1 tumor proportion score (TPS) were similar between KRAS mut and KRAS wild type (wt) tumors. Among tumors with KRAS codon 12 mut, mTMB was higher in G12V (n = 37, 12.2 mut/Mb) compared to G12C (n = 84, 11.4 mut/Mb), G12D (n = 20, 9.4 mut/Mb) and G12A (n = 13, 10.1 mut/Mb), P = 0.05. Tumors with KRAS transversions (Tv) (n = 156) had higher mTMB compared to those with KRAS transitions (Ti) (n = 25) (10.9 vs 7.6 mut/Mb, P = 0.03). Median PD-L1 TPS was similar across KRAS mut alleles. Pts with KRAS G12V had longer median progression-free survival (mPFS) (5.5 vs 2.7 months, HR:0.62 [95%CI:0.40-0.96], P = 0.03) and overall survival (mOS) (17.5 vs 9.7 months, HR:0.62 [95%CI:0.36-0.99], P = 0.05), compared to non-G12V. Pts with KRAS Tv had longer mPFS and mOS compared to pts with Ti (mPFS: 3.4 vs 2.0 months, HR: 0.58 [95%CI:0.37-0.92], P = 0.02; mOS: 10.9 vs 5.4 months, HR:0.59 [95%CI:0.35-0.99], P = 0.048). Clinicopathologic features and STK11/KEAP1 mut were balanced across all KRAS mut alleles. Among KRAS mut pts, those with KEAP1 (n:52) and STK11 (n:50) concurrent mut had shorter mPFS (KEAP1 mut 1.8 vs. KEAP1 wt 4.1 months, HR: 0.55 [95%CI:0.38-0.80], P = 0.002; STK11 mut 1.8 vs STK11 wt 4.6 months, HR:0.46 [95%CI:0.32-0.67], P < 0.0001) and mOS (KEAP1 mut 4.8 vs KEAP1 wt 15.1 months, HR: 0.51 [95%CI:0.34-0.76], P = 0.001; STK11 mut 4.8 vs STK11 wt 13.6 months, HR:0.51 [95%CI:0.34-0.76], P = 0.001). KEAP1 and STK11 mut did not impact outcome in KRAS wt pts. Conclusions: KRAS allele subtypes and concurrent genomic alterations impact ICI efficacy in NSCLC.

Management of Pneumonitis and Neuropathy in Patients Receiving PD-1–Based Therapy for Non–Small-Cell Lung Cancer

2020 ◽  
Vol 16 (2_suppl) ◽  
pp. 4s-9s ◽  
Author(s):  
Marianne J. Davies ◽  
Anne C. Chiang
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Checkpoint Inhibitors ◽  
Small Cell ◽  
Advanced Lung Cancer ◽  
Small Cell Lung ◽  
Case Examples ◽  
Improved Outcomes ◽  
Programmed Death

Immunotherapy with programmed cell death-1 (PD-1) receptor and programmed death ligand 1 (PD-L1) inhibitors has improved outcomes for certain patients with advanced lung cancer. As use of these therapies has expanded in first-line settings, in patients with different histologies, and in combinations with chemotherapeutic and targeted agents, more patients with lung cancer may benefit from these therapies. However, with expanded use comes greater potential exposure to the immune-related adverse events (irAEs) associated with these immune checkpoint inhibitors (ICIs). This article uses two case examples to illustrate the presentation, evaluation, and management of pulmonary and neurologic symptoms in two patients receiving PD-1–based therapy for non–small-cell lung cancer. These cases illustrate the challenges associated with recognizing pneumonitis and neuropathy in patients receiving ICIs for lung cancer. Although pneumonitis and neuropathy are relatively rare irAEs, they can have devastating or even fatal outcomes if not promptly recognized and managed appropriately. Specific use of guideline-based, multidisciplinary management is emphasized, as illustrated in the Immuno-Oncology Essentials Care Step Pathways.

scholarly journals Programmed Death Ligand-1 Immunohistochemistry— A New Challenge for Pathologists: A Perspective From Members of the Pulmonary Pathology Society

2016 ◽  
Vol 140 (4) ◽  
pp. 341-344 ◽  
Author(s):  
Lynette M. Sholl ◽  
Dara L. Aisner ◽  
Timothy Craig Allen ◽  
Mary Beth Beasley ◽  
Alain C. Borczuk ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Immune Response ◽  
Clinical Practice ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Checkpoint Inhibitors ◽  
Small Cell ◽  
Small Cell Lung ◽  
Programmed Death Ligand 1 ◽  
Programmed Death

The binding of programmed death ligand-1 and ligand-2 (PD-L1 and PD-L2) to PD-1 blocks T-cell–mediated immune response to tumor. Antibodies that target programmed death receptor-1 (PD-1) will block the ligand-receptor interface, thereby allowing T cells to attack the tumor and increase antitumor immune response. In clinical trials, PD-1 inhibitors have been associated with an approximately 20% overall response rate in unselected patients with non–small cell lung cancer, with sustained tumor response in a subset of patients treated by these immune checkpoint inhibitors. Facing a proliferation of PD-L1 immunohistochemistry clones, staining platforms, and scoring criteria, the pathologist must decide on the feasibility of introducing a newly approved companion diagnostic assay that may require purchase not only of a specific antibody kit but of a particular staining platform. Given the likely reality that clinical practice may, in the near future, demand access to 4 different PD-L1 antibodies coupled with different immunohistochemistry platforms, laboratories will be challenged with deciding among this variety of testing methods, each with its own potential benefits. Another immediate challenge to PD-L1 testing in lung cancer patients is that of access to adequate tumor tissue, given that non–small cell lung cancer samples are often extremely limited in size. With PD-L1 testing it has become clear that the historically used US regulatory approach of one assay–one drug will not be sustainable. One evolving concept is that of complementary diagnostics, a novel regulatory pathway initiated by the US Food and Drug Administration, which is distinct from companion diagnostics in that it may present additional flexibility. Although pathologists need to face the practical reality that oncologists will be asking regularly for the PD-L1 immunohistochemistry status of their patients' tumors, we should also keep in mind that there may be room for improvement of biomarkers for immunotherapy response. The field is rich with opportunities for investigation into biomarkers of immunotherapy response, particularly in the form of collaborative, multidisciplinary studies that incorporate oncologists, pathologists, and basic scientists. Pathologists must take the lead in the rational incorporation of these biomarkers into clinical practice.

The effect and safety of immune checkpoint inhibitor rechallenge in non-small cell lung cancer

2019 ◽  
Vol 49 (8) ◽  
pp. 762-765 ◽  
Author(s):  
Hiromi Watanabe ◽  
Toshio Kubo ◽  
Kiichiro Ninomiya ◽  
Kenichiro Kudo ◽  
Daisuke Minami ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Immune Checkpoint ◽  
Checkpoint Inhibitors ◽  
Objective Response ◽  
Progression Free Survival ◽  
Careful Consideration ◽  
Small Cell ◽  
Small Cell Lung

Abstract Introduction Immune checkpoint inhibitors (ICIs) have demonstrated long survival for the treatment of advanced non-small cell lung cancer (NSCLC). However, the effect and safety of ICI rechallenge have not been fully evaluated. The aim of this study was to investigate the efficacy and safety of ICI rechallenge in NSCLC patients. Methods We defined ‘rechallenge’ as re-administration of ICIs for patients who were previously treated with ICIs and discontinued treatment for any reason, and received subsequent chemotherapy. We retrospectively analyzed the histories of 434 patients with advanced NSCLC who received ICIs from December 2015 to December 2017 at seven centers. Results A total of 317 patients discontinued the ICI treatment, and 14 patients (4.4%) received ICI rechallenge. All 14 patients discontinued the first ICI due to disease progression. Eight patients received the same kind of ICIs, and six patients received different ICIs. Median progression-free survival and overall survival were 1.5 months [95% confidence interval (CI): 0.8–2.6] and 6.5 months [95% CI: 1.4–19.0], respectively. The objective response rate was 7.1%, and the disease control rate was 21.4%. Two of three patients who achieved at least a stable disease, received radiotherapy between the first and second ICIs. Adverse events were not significantly different compared with the first ICIs. Conclusions In this study, the effect of ICI rechallenge was limited. Careful consideration of the administration of ICI rechallenge is necessary. This report involved a small number of cases, so further large prospective studies are warranted to confirm the efficacy of ICI rechallenge and to investigate predictive markers to identify a patient population in which ICI rechallenge is effective.

scholarly journals Impact of Baseline Steroids on Efficacy of Programmed Cell Death-1 and Programmed Death-Ligand 1 Blockade in Patients With Non–Small-Cell Lung Cancer

2018 ◽  
Vol 36 (28) ◽  
pp. 2872-2878 ◽  
Author(s):  
Kathryn C. Arbour ◽  
Laura Mezquita ◽  
Niamh Long ◽  
Hira Rizvi ◽  
Edouard Auclin ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Single Agent ◽  
Progression Free Survival ◽  
Small Cell ◽  
Cancer Center ◽  
Small Cell Lung ◽  
Programmed Death ◽  
Programmed Cell Death 1

Purpose Treatment with programmed cell death-1 or programmed death ligand 1 (PD-(L)1) inhibitors is now standard therapy for patients with lung cancer. The immunosuppressive effect of corticosteroids may reduce efficacy of PD-(L)1 blockade. On-treatment corticosteroids for treatment of immune-related adverse events do not seem to affect efficacy, but the potential impact of baseline corticosteroids at the time of treatment initiation is unknown. Clinical trials typically excluded patients who received baseline corticosteroids, which led us to use real-world data to examine the effect of corticosteroids at treatment initiation. Methods We identified patients who were PD-(L)1–naïve with advanced non–small-cell lung cancer from two institutions—Memorial Sloan Kettering Cancer Center and Gustave Roussy Cancer Center—who were treated with single-agent PD-(L)1 blockade. Clinical and pharmacy records were reviewed to identify corticosteroid use at the time of beginning anti–PD-(L)1 therapy. We performed multivariable analyses using Cox proportional hazards regression model and logistic regression. Results Ninety (14%) of 640 patients treated with single-agent PD-(L)1 blockade received corticosteroids of ≥ 10 mg of prednisone equivalent daily at the start of the PD-(L)1 blockade. Common indications for corticosteroids were dyspnea (33%), fatigue (21%), and brain metastases (19%). In both independent cohorts, Memorial Sloan Kettering Cancer Center (n = 455) and Gustave Roussy Cancer Center (n = 185), baseline corticosteroids were associated with decreased overall response rate, progression-free survival, and overall survival with PD-(L)1 blockade. In a multivariable analysis of the pooled population, adjusting for smoking history, performance status, and history of brain metastases, baseline corticosteroids remained significantly associated with decreased progression-free survival (hazard ratio, 1.3; P = .03), and overall survival (hazard ratio, 1.7; P < .001). Conclusion Baseline corticosteroid use of ≥ 10 mg of prednisone equivalent was associated with poorer outcome in patients with non–small-cell lung cancer who were treated with PD-(L)1 blockade. Prudent use of corticosteroids at the time of initiating PD-(L)1 blockade is recommended.

PD-1 and PD-L1 Inhibitors in Advanced Non-small Cell Lung Cancer—Promising Agents and Evolving Questions

2015 ◽  
Vol 11 (01) ◽  
pp. 36
Author(s):  
Adrian G Sacher ◽  
Leena Gandhi ◽  
◽  
Keyword(s):  
Lung Cancer ◽  
Immune Response ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Checkpoint Inhibitors ◽  
Small Cell ◽  
Immune Checkpoints ◽  
Clinical Activity ◽  
Small Cell Lung ◽  
The Impact

There exists increasing evidence that PD-1 and PD-L1 inhibitors may be effective in the treatment of non-small cell lung cancer (NSCLC)— an unforeseen finding given the early failure of several immuno- and vaccine-based therapies in this field. This suggests that NSCLC is a more immunogenic tumor than initially appreciated and that it may manipulate various immune checkpoints in order to blunt a potential anti-tumor immune response. NSCLC has subsequently been shown to commonly overexpress PD-L1 as a means of suppressing such cell-mediated immune response through PD-1-mediated signaling. Numerous PD-1 and PD-L1 inhibitors are currently in development as well as various combinations of these inhibitors with chemotherapy, kinase inhibitors, and other immune checkpoint inhibitors. Although these treatments have demonstrated clinical activity in early phase clinical trials, reliable data on the impact of these agents on clinically meaningful endpoints in advanced NSCLC remains scarce. Important questions remain unanswered regarding the appropriate use of PD-L1 expression as a predictive biomarker for the use of these agents as well as the ability of the aforementioned drug combinations to achieve durable disease control.

Association of STK11/LKB1 genomic alterations with lack of benefit from the addition of pembrolizumab to platinum doublet chemotherapy in non-squamous non-small cell lung cancer.

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. 102-102 ◽  
Author(s):  
Ferdinandos Skoulidis ◽  
Kathryn Cecilia Arbour ◽  
Matthew David Hellmann ◽  
Pradnya Dinkar Patil ◽  
Melina Elpi Marmarelis ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Clinical Outcomes ◽  
Cell Lung Cancer ◽  
Small Cell ◽  
Small Cell Lung ◽  
Genomic Alterations ◽  
The Impact ◽  
Doublet Chemotherapy ◽  
Platinum Doublet

102 Background: Addition of pembrolizumab (P) to platinum-doublet chemotherapy [carboplatin (or cisplatin) and pemetrexed (CP)] prolongs overall survival and is a standard of care (SOC) for the 1st line treatment of metastatic EGFR/ALK wild-type (wt) non-squamous non-small cell lung cancer (mnsNSCLC). Despite widespread adoption of the CPP regimen, molecular determinants of clinical benefit from the addition of P to CP remain poorly defined. We previously identified genomic alterations in STK11/LKB1 as a major driver of primary resistance to PD-1/PD-L1 blockade in mnsNSCLC. Here, we examine the impact of STK11/LKB1 alterations on clinical outcomes with CPP chemo-immunotherapy. Methods: 497 pts with mnsNSCLC and tumor genomic profiling encompassing STK11/LKB1 from 17 academic institutions in the US and Europe were included in this study. Clinical outcomes were collected for two distinct patient cohorts: a) 377 pts treated with first-line CPP (or > 1st line following FDA-approved TKIs) that were alive for 14 days thereafter and b) 120 STK11/LKB1-mt pts that received CP prior to regulatory approval of CPP. Results: Among 377 CPP-treated pts, STK11/LKB1 genomic alterations (N = 102) were associated with significantly shorter PFS (mPFS 4.8m vs 7.2m, HR 1.5, 95% CI 1.1 to 2.0; P = 0.0063) and shorter OS (mOS 10.6m vs 16.7m, HR 1.58, 95% CI 1.09 to 2.27; P = 0.0083) compared with STK11/LKB1-wt tumors (N = 275). ORR also differed significantly between the two groups (32.6% vs 44.7%, P = 0.049). Similar results were obtained when limiting the analysis to EGFR and ALK-wt tumors (N = 333). Importantly, in pts with STK11/LKB1-mt mnsNSCLC, addition of pembrolizumab to CP did not improve PFS (mPFS 4.8m vs 4.3m, HR 1.13, 95% CI 0.83 to 1.54, P = 0.75) or OS (mOS 10.6m vs 10.3m, HR 1.03, 95% CI 0.71 to 1.49, P = 0.79) compared to CP alone. Conclusions: In mnsNSCLC, STK11/LKB1 alterations define a subgroup of pts with inferior clinical outcomes with CPP and lack of benefit from the addition of pembrolizumab to CP chemotherapy. Novel therapeutic strategies are required to establish effective antitumor immunity in STK11/LKB1-mutant NSCLC.

Impact of SWI/SNF complex mutations in patients with non-small cell lung cancer (NSCLC) treated with immune checkpoint inhibitors: Immuno-oncology biomarker study in LC-SCRUM-Japan (LC-SCRUM-IBIS).

2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 9530-9530
Author(s):  
Kiyotaka Yoh ◽  
Shingo Matsumoto ◽  
Naoki Furuya ◽  
Kazumi Nishino ◽  
Shingo Miyamoto ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Clinical Outcomes ◽  
Cell Lung Cancer ◽  
Immune Checkpoint ◽  
Checkpoint Inhibitors ◽  
Progression Free Survival ◽  
Small Cell ◽  
Small Cell Lung ◽  
Nsclc Patients

9530 Background: The SWI/SNF chromatin remodeling complex is reported to be involved in sensitivity and resistance to immune checkpoint inhibitor (ICI). However, their role in non-small cell lung cancer (NSCLC) remains unclear. We examined the relationship between SWI/SNF complex mutations and clinical outcomes of ICI in patients with NSCLC. Methods: Of 1017 lung cancer patients enrolled in LC-SCRUM-IBIS, 350 patients were analyzable for whole-exome sequencing (WES). WES data were used to analyze the presence of mutations in 29 major subunits of the SWI/SNF complexes. ARID1A and SMARCA4 mutations were also evaluated in a targeted NGS panel (Oncomine comprehensive assay, OCA). PD-L1 expression by 22C3, tissue tumor mutational burden (tTMB) by WES, STK11 and KEAP1 mutations by WES or OCA were also assessed. Durable clinical benefit (DCB) including CR, PR and SD > 6 mos to ICI, progression-free survival (PFS) and overall survival (OS) were compared in status of each of SWI/SNF complex mutations and other factors. Results: At least one mutation in any subunits of the SWI/SNF complex was present in 28% of NSCLC patients. The most common mutated subcomplexes were SMARCA4 (12%), BAF (7%: ARID1A, 4%), non-canonical BAF (3%), PBAF (3%), and SMARCA2 (2%). Of 101 NSCLC patients treated with PD-1/PD-L1 inhibitors, SMARCA4 mutations tended to be associated with lower DCB (16 vs 31%) and shorter median PFS (1.9 vs 3.6 m) and OS (7.4 vs 18.1m). Patients with ARID1A mutations tended to have better clinical outcomes (DCB, 40 vs 28%) compared to those without mutations. No significant associations were found between PD-L1 expression and SMARCA4 or ARID1A mutations. Patients with STK11/KEAP1 mutations had lower rate of PD-L1 expression (TPS > 50%) (18% vs 48%, P = 0.03) and worse clinical outcomes (DCB, 6 vs 33%) compared to those without mutations. There was no significant association between a tTMB status and clinical outcome. Conclusions: SMARCA4 and ARID1A mutations appear to affect clinical outcomes of ICI in NSCLC patients. These findings indicate that SWI/SNF complex mutations may serve as a predictive biomarker for ICI in NSCLC patients.

scholarly journals Advancing the Management of Non-small Cell Lung Cancer

2017 ◽  
Vol 13 (01) ◽  
pp. 53
Author(s):  
David F Fakih ◽  
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Cytotoxic T Lymphocyte ◽  
Checkpoint Inhibitors ◽  
Small Cell ◽  
Small Cell Lung ◽  
Programmed Death ◽  
Programmed Death 1 ◽  
Personalised Therapy

Advances in the development of targeted therapies and immunotherapy have transformed the management of non small-cell lung cancer (NSCLC). Targeting angiogenesis and molecular drivers of carcinogenesis has led to the approval of several new therapies. More recently, immunotherapeutic approaches have been investigated in the treatment setting of NSCLC. These include immune checkpoint inhibitors (e.g. anti-cytotoxic T-lymphocyte antigen-4 [CTLA-4], anti-programmed death-1 (PD-1) and anti-programmed death-ligand 1 [PD-L1] agents). The emergence of so many therapeutic options offers the potential for personalised therapy. Molecular profiling can inform treatment decisions but there is a need for more data to determine the optimal sequencing and combination of targeted and immunotherapeutic agents.

Exploring Novel Immune-Related Toxicities and Endpoints with Immune-Checkpoint Inhibitors in Non-Small Cell Lung Cancer

2013 ◽  
pp. e280-e285 ◽  
Author(s):  
Laura QM Chow
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Immune Checkpoint ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Small Cell ◽  
Small Cell Lung ◽  
Immune Mediated ◽  
Programmed Death

Because of dramatic tumor regressions reported with the anti-programmed death-1 (PD-1) and anti-programmed death ligand-1 (PDL-1) antibodies inhibiting the PD-1 immune checkpoint, non-small cell lung cancer (NSCLC) is now recognized as an immune-modifiable disease. As responses were observed in smaller numbers in phase I trials, the immunologic profiles and unique toxicities of these agents have not been fully established in NSCLC. Moreover, PD-1 checkpoint inhibitors in development by different companies may demonstrate diverse spectrums of activity and toxicity. Although the cytotoxic T-lymphocyte antigen-4 (CTLA-4) checkpoint inhibitors in earlier phase studies appeared to have less impressive responses in NSCLC, their safety profile has been more broadly defined. The anti-CTLA-4 antibody, ipilimumab, has the best characterized immune-related toxicities (predominantly skin, gastrointestinal, hepatic, and endocrine) and management strategies in melanoma. Despite the lack of studies directly comparing these agents, toxicities from PD-1 inhibition seem milder than those of CTLA-4 inhibition, with distinct toxicities of pneumonitis infrequently observed with the BMS-936558 anti-PD-1 antibody, nivolumamb, and frequent mild infusion reactions reported with the BMS-936559 anti-PDL-1 antibody. As lungs are critical organs often already compromised in NSCLC patients, immune-mediated pneumonitis can cause worrisome morbidity and mortality. Even though immune checkpoint inhibitors are being rapidly developed in a multitude of trials, optimal immune-mediated toxicity management has not been determined, is evolving, and will be further explored. Early diagnosis and symptom management with corticosteroids form the basis of treatment. Assessment of new immune-response criteria and use of primary endpoints of overall survival (OS) will be important in the development of these immunotherapies in NSCLC.

Immune-related toxicities in non-small cell lung cancer: Real-life predictors of outcome to checkpoint inhibitors?

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. e14135-e14135
Author(s):  
Emanuela Romano ◽  
Roberta Poli ◽  
Clement Dumont ◽  
Lisa Pietrogiovanna ◽  
Marie Vigan ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Small Cell Lung Cancer ◽  
Cell Lung Cancer ◽  
Checkpoint Inhibitors ◽  
Locally Advanced ◽  
Real Life ◽  
Progression Free Survival ◽  
Small Cell ◽  
Small Cell Lung ◽  
Dermatologic Toxicity

e14135 Background: Immune checkpoint inhibitors (ICIs) are approved for the treatment of non-small cell lung cancer (NSCLC) and are associated with immune-related adverse events (irAEs). However, real-life data on type, occurrence and kinetics of irAEs, and their predictive value on treatment outcome are lacking. Here, we report on the relation between irAEs, including endocrine irAEs, and outcome to anti-PD-/L-1 (programmed cell death protein-/ligand-1) ICIs. Methods: A total of 147 patients (pts), with locally advanced/metastatic NSCLC, treated with anti-PD-1 (N 140; 95%) or anti-PD-L1 agents (N 7; 5%) as ≥ 2 line treatment were included in two independent, prospective, cohorts at the Institut Curie (ALCINA-NCT02866149) and at Biella Hospital (Italy). PD-L1 status was assessed by immunohistochemistry (clone 22C3, Dako). Progression-free survival (PFS) and overall survival (OS) were estimated with Kaplan-Meier curves. Results: Median follow-up of 147 pts was 10.2 (range: 0.7-42.8) months; median age, 66 (35-85) years; 100 men (68%). After treatment initiation, irAEs were observed in 72 pts (49%). Thirty one (43%) pts had only endocrine irAEs, mostly thyroid dysfunctions (N 44, 61%). Pre-existing thyroid disease was present in only 6 pts (4%). Dermatologic toxicity in 21 (29%) pts was the next most frequent irAE, 22 (30%) pts had other types of irAEs. Among patients with irAEs, 61 (85%) had ≤ 2 coexisting irAEs, and 13 (18%) pts had > 2 irAEs. Most irAEs were G1 (63%) and G2 (18%). Onset and kinetics differed according to irAE type. There was no association between PD-L1 status and irAE occurrence. Median PFS was 7.2 and 4.2 months in irAEs vs no-irAEs group, respectively [HR 0.70 (95% CI 0.46;1.08), p 0.11]. Median OS in the irAEs group was 18.1 months vs 13.6 months no-irAEs group [HR 0.64 (95% CI 0.37;0.98), p 0.039]. Median OS in the endocrine-irAEs group was 23.5 vs 13.6 months in the no-irAEs group [HR 0.58 (0.74;3.92), p 0.2]. Conclusions: In this study, we show that irAEs – including endocrine type – are frequent in NSCLC pts treated with ICIs and that their occurrence is associated with a survival benefit.

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