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Lung cancer, the leading cause of cancer-related deaths globally, remains a pressing health issue despite significant medical advances. The New York Lung Cancer Foundation brought together experts from academia, the pharmaceutical and biotech industries as well as organizational leaders and patient advocates, to thoroughly examine the current state of lung cancer diagnosis, treatment, and research. The goal was to identify areas where our understanding is incomplete and to develop collaborative public health and scientific strategies to generate better patient outcomes, as highlighted in our "Calls to Action." The consortium prioritized 8 different calls to action. These include (1) develop strategies to cure more patients with early-stage lung cancer, (2) investigate carcinogenesis leading to lung cancers in patients without a history of smoking, (3) harness precision medicine for disease interception and prevention, (4) implement solutions to deliver prevention measures and effective therapies to individuals in under-resourced countries, (5) facilitate collaborations with industry to collect and share data and samples, (6) create and maintain open access to big data repositories, (7) develop new immunotherapeutic agents for lung cancer treatment and prevention, and (8) invest in research in both the academic and community settings. These calls to action provide guidance to representatives from academia, the pharmaceutical and biotech industries, organizational and regulatory leaders, and patient advocates to guide ongoing and planned initiatives., (© The Author(s) 2024. Published by Oxford University Press.)

Background: Lung cancer remains a critical public health issue, presenting multifaceted challenges in prevention, diagnosis, and treatment. This article aims to review the current landscape of lung cancer research and management, delineate the persistent challenges, and outline pragmatic solutions., Materials and Methods: Global experts from academia, regulatory agencies such as the Food and Drug Administration (FDA) and the European Medicines Agency (EMA), the National Cancer Institute (NCI), professional societies, the pharmaceutical and biotech industries, and patient advocacy groups were gathered by the New York Lung Cancer Foundation to review the state of the art in lung cancer and to formulate calls to action., Results: Improving lung cancer management and research involves promoting tobacco cessation, identifying individuals at risk who could benefit from early detection programs, and addressing treatment-related toxicities. Efforts should focus on conducting well-designed trials to determine the optimal treatment sequence. Research into innovative biomarkers and therapies is crucial for more personalized treatment. Ensuring access to appropriate care for all patients, whether enrolled in clinical trials or not, must remain a priority., Conclusions: Lung cancer is a major health burden worldwide, and its treatment has become increasingly complex over the past two decades. Improvement in lung cancer management and research requires unified messaging and global collaboration, expanded education, and greater access to screening, biomarker testing, treatment, as well as increased representativeness, participation, and diversity in clinical trials., (Copyright © 2024 European Society for Medical Oncology. Published by Elsevier Ltd. All rights reserved.)

Introduction: Squamous cell cancer (SqCC) is a lung cancer subtype with few targeted therapy options. Molecular characterization, that is, by next-generation sequencing (NGS), is needed to identify potential targets. Lung Cancer Master Protocol Southwest Oncology Group S1400 enrolled patients with previously treated stage IV or recurrent SqCC to assess NGS biomarkers for therapeutic sub-studies., Methods: Tumors underwent NGS using Foundation Medicine's FoundationOne research platform, which sequenced the exons and/or introns of 313 cancer-related genes. Mutually exclusive gene set analysis and Selected Events Linked by Evolutionary Conditions across Human Tumors were performed to identify mutually exclusive and co-occurring gene alterations. Comparisons were performed with data on 495 lung SqCC downloaded from The Cancer Genome Atlas. Cox proportional hazards models were used to assess associations between genetic variants and survival., Results: NGS data are reported for 1672 patients enrolled on S1400 between 2014 and 2019. Mutually exclusive gene set analysis identified two non-overlapping sets of mutually exclusive alterations with a false discovery rate of less than 15%: NFE2L2, KEAP1, and PARP4; and CDKN2A and RB1. PARP4, a relatively uncharacterized gene, showed three frequent mutations suggesting functional significance: 3116T>C (I1039T), 3176A>G (Q1059R), and 3509C>T (T1170I). When taken together, NFE2L2 and KEAP1 alterations were associated with poorer survival., Conclusions: As the largest dataset to date of lung SqCC profiled on a clinical trial, the S1400 NGS dataset establishes a rich resource for biomarker discovery. Mutual exclusivity of PARP4 and NFE2L2 or KEAP1 alterations suggests that PARP4 may have an uncharacterized role in a key pathway known to impact oxidative stress response and treatment resistance., Competing Interests: Disclosure Dr. Kozono discloses consulting for Vertex and Roche/Genentech and honoraria from RefleXion outside the submitted work. Dr. Tolba discloses employment at Foundation Medicine. Dr. Waqar discloses holding positions on scientific advisory boards for AstraZeneca and Gilead Sciences. Dr. Dragnev discloses receiving institutional research funding from Daiichi Sankyo, Eli Lilly, G1 Therapeutics, Merck, Molecular Templates, Novartis, Roche/Genentech. Dr. Cheng discloses receiving honoraria from AstraZeneca, Janssen, G1 Therapeutics, and research grants from AstraZeneca, and Genentech. Dr. Hirsch discloses holding positions on scientific advisory boards for BMS, AstraZeneca, Daiichi Sankyo, Sanofi, Novartis, AbbVie, Novocure, NextCure, Merus, G1 Therapeutics, Regeneron, none related to this work, and holding patent for EGFR protein and gene copy number as predictive biomarkers for EGFR-directed therapies (through University of Colorado), no royalties. Dr. Mack discloses being a consultant for Amgen, Guardant Health, and Vivance Therapeutics, and receiving honoraria from AbbVie (educational lecture). Dr. Gray discloses being a consultant for AbbVie, AstraZeneca, Blueprint Medicines, Daiichi Sankyo, EMD Serono – Merck, Gilead Sciences, IDEOlogy Health, Janssen Scientific Affairs, Jazz Pharmaceuticals, Loxo Oncology, Merck and Company, Novartis, OncoCyte Biotechnology, Spectrum ODAC, Takeda Pharmaceuticals, Triptych Health Partners; research support from AstraZeneca, Boehringer Ingelheim, Bristol-Myers Squibb, Genentech, G1 Therapeutics, Ludwig Institute of Cancer Research, Merck and Company, Novartis, Pfizer. Dr. Borghaei discloses receiving research support for clinical trials from BMS, Lilly, Amgen and holding positions on advisory board/consultant for BMS, Lilly, Genentech, Pfizer, Merck, EMD-Serono, Boehringer Ingelheim, Astra Zeneca, Novartis, Genmab, Regeneron, BioNTech, Amgen, Axiom, PharmaMar, Takeda, Mirati, Daiichi Sankyo, Guardant, Natera, Oncocyte, Beigene, iTEO, Jazz, Janssen, Puma, BerGenBio, Bayer, Iobiotech, Grid Therapeutics, holding position on data and safety monitoring board for University of Pennsylvania: CAR T Program, Takeda, Incyte, Novartis, Springworks, holding position on the scientific advisory board for Sonnetbio (stock options), Inspirna (formerly Rgenix, stock options), Nucleai (stock options), and receiving honoraria from Amgen, Pfizer, Daiichi Sankyo, Regeneron, travel support from Amgen, BMS, Merck, Lilly, EMD-Serono, Genentech, Regeneron, Mirati. Dr. Herbst discloses holding positions on the board of directors for Immunocore, Junshi Pharmaceuticals, being consultant for AbbVie Pharmaceuticals, AstraZeneca, Bolt Biotherapeutics, Bristol-Myers Squibb, Candel Therapeutics, Checkpoint Therapeutics, Cybrexa Therapeutics, DynamiCure Biotechnology, eFFECTOR Therapeutics, Eli Lilly and Company, EMD Serono, Genentech, Gilead, HiberCell, I-Mab Biopharma, Immune-Onc Therapeutics, Immunocore, Janssen, Johnson and Johnson, Loxo Oncology, Merck and Company, Mirati Therapeutics, NextCure, Normunity, Novartis, Ocean Biomedical, Oncocyte Corp, Oncternal Therapeutics, Pfizer, Regeneron Pharmaceuticals, Revelar Biotherapeutics, Ribbon Therapeutics, Roche, Sanofi, Seattle Genetics, Xencor, receiving research support from AstraZeneca, Eli Lilly and Company, Genentech/Roche, Merck and Company, and holding leadership roles in American Association for Cancer Research, International Association for the Study of Lung Cancer, Society for Immunotherapy of Cancer, Southwest Oncology Group. Dr. Gandara discloses being a consultant for Adagene (institutional), AstraZeneca (institutional), Guardant Health (institutional), IO Biotech (institutional), Oncocyte (institutional), Oncohost (institutional), Merck (consultant), Roche-Genentech (institutional) and receiving institutional research grants from Amgen, AstraZeneca, Genentech, Merck. The remaining authors declare no conflict of interest., (Copyright © 2024 International Association for the Study of Lung Cancer. Published by Elsevier Inc. All rights reserved.)

Introduction: With the implementation of low-dose computed tomography screening, multiple pulmonary tumor nodules are diagnosed with increasing frequency and the selection of surgical treatments versus systemic therapies has become challenging on a daily basis in clinical practice. In the presence of multiple carcinomas, especially adenocarcinomas, pathologically determined to be of pulmonary origin, the distinction between separate primary lung carcinomas (SPLCs) and intrapulmonary metastases (IPMs) is important for staging, management, and prognostication., Methods: We systemically reviewed various means that aid in the differentiation between SPLCs and IPMs explored by histopathologic evaluation and molecular profiling, the latter includes DNA microsatellite analysis, array comparative genomic hybridization, TP53 and oncogenic driver mutation testing and, more recently, with promising effectiveness, next-generation sequencing comprising small- or large-scale multi-gene panels., Results: Comprehensive histologic evaluation may suffice to differentiate between SPLCs and IPMs. Nevertheless, molecular profiling using larger-scale next-generation sequencing typically provides superior discriminatory power, allowing for more accurate classification. On the basis of the literature review and expert opinions, we proposed a combined four-step histologic and molecular classification algorithm for addressing multiple pulmonary tumor nodules of adenocarcinoma histology that encourages a multidisciplinary approach. It is also noteworthy that new technologies combining machine learning and digital pathology may develop into valuable diagnostic tools for distinguishing SPLCs from IPMs in the future., Conclusions: Although histopathologic evaluation is often adequate to differentiate SPLCs from IPMs, molecular profiling should be performed when possible, especially in cases with tumors exhibiting similar morphology. This manuscript summarized the previous efforts in resolving the current challenges and highlighted the recent progress in the differentiation methods and algorithms used in categorizing multiple lung adenocarcinomas into SPLCs or IPMs, which are becoming more and more critical in precision lung cancer management., Competing Interests: Disclosure Dr. Wistuba reports receiving grants from Genentech, Merck, Bristol-Myers Squibb, Medimmune, Adaptive, Adaptimmune, EMD Serono, Pfizer, Takeda, Amgen, Karus, Johnson & Johnson, Bayer, Iovance, 4D, Novartis, and Akoya; consulting fees from Genentech/Roche, Bayer, Bristol-Myers Squibb, AstraZeneca, Pfizer, Merck, Guardant Health, Flame, Novartis, Sanofi, Daiichi Sankyo, Amgen, Jansen, Merus, G1 Therapeutics, Abbvie, Catalyst Therapeutics, Johnson and Johnson, Boehringer-Ingelheim, Regeneron, and Oncocyte; honoraria from Medscape, Genentech/Roche, Platform Health, Pfizer, Merus, AstraZeneca, Merck, outside of the submitted work. Dr. Hirsch reports participation on advisory boards of AstraZeneca, Genentech, Abbie, Daiichi, Regeneron, Sanofi, Novocure, NextCure, Oncohost, DAKO -Agilent, Merus, G-1 Therapeutics outside of the submitted work. Dr. Hwang reports receiving consulting fees from Amgen, AstraZeneca, Boehringer-Ingelheim, Merck, Novartis, and Roche; honoraria from Amgen, AstraZeneca, Merck, Roche, outside of the submitted work. Dr. Janowczyk reports receiving a sponsored research agreement from Roche; consulting fees from Merck, Roche, and Lunaphore; and serves as vice president of the Swiss Digital Pathology Consortium, outside of the submitted work. Dr. Kerr reports receiving consulting fees from AbbVie, Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Bristol-Myers Squibb, Daichi Sankyo, Janssen, Merck Serono, Merck Sharp & Dohme, Novartis, Pfizer, Regeneron, Roche, Sanofi, Takeda, Ventana; Honoraria from AbbVie, AstraZeneca, Amgen, Boehringer Ingelheim, Bristol-Myers Squibb, Janssen, Merck Serono, Merck Sharp & Dohme, Mirati, Novartis, Pfizer, Roche, Sanofi, Ventana, Medscape, Mirati, Prime Oncology, PeerVoice, PER, outside of the submitted work. Dr. Mino-Kenudson reports receiving consulting fees from AstraZeneca, Pfizer, Repare, Boehringer-Ingelheim, Sanofi, AbbVie, Roche, Daiichi-Sankyo; honoraria and support for attending meetings from Sanofi, outside of the submitted work. Dr. Nicholson reports receiving consulting fees from Merck, Boehringer-Ingelheim, Pfizer, Novartis, AstraZeneca, Bristol-Myer Squibb, Roche, Abbvie, Oncologica, Takeda UK, Sanofi; research grants from Pfizer; honoraria from AstraZeneca; provision of educational materials from Up-to-date, European Society of Oncology, Liberum, outside of the submitted work. Dr. Papotti reports receiving honoraria from Roche, Eli Lilly, AstraZeneca, and Pfizer, outside of the submitted work. Dr. Roden reports receiving royalties for educational material from Up-to-date; consulting fees from Bristol Myers Squibb; Honoraria for Princeton Integrated Pathology Symposium, Harvard Medical School Thoracic Pathology Course, Korean Association for Lung Cancer; serves as president of International Thymic Malignancy Interest Group, outside of the submitted work. Dr. Yatabe reports receiving research grants from Merck Biopharma, Chugai-pharma, Konica-Minolta REALM; consulting fees from AstraZeneca, MSD, AbbVie, Novartis, Amgen, Daiichi-Sankyo, Janssen Pharma, Konica-Minolta REALM; honoraria from MSD, Chugai-pharma, AstraZeneca, Merck Biopharma, Novartis, Amgen, Daiichi-Sankyo, Thermo Fisher Science, outside of the submitted work. Dr. Bubendorf reports receiving research grants from Roche, Thermo Fisher, Novartis, Systems Oncology, Daiichi-Sankyo; consulting fees from Systems Oncology, Amgen, Janssen, Bayer, MSD, Eli Lilly, Takeda; honoraria from Thermo Fisher, Amgen, Janssen, Takeda; receipt of services from Thermo Fisher, outside of the submitted work. Dr. Chang reports receiving consulting fees from Ascendo Biotechnology; honoraria from Boehringer-Ingelheim, AstraZeneca, outside of the submitted work. Dr. Kim reports receiving consulting fees from Abbvie and Yunhan, outside of the submitted work. Dr. Le Quesne reports receiving salary support from University of Glasgow Chair endowment; grants from CRUK, AstraZeneca; patents from self-supervised artificial intelligence in H&E interpretation, outside of the submitted work. Dr. Lopez-Rios reports receiving grants from Roche, Pfizer, Eli Lilly, Thermo Fisher, AstraZeneca; consulting fees from Roche, Pfizer, Eli Lilly, Thermo Fisher, AstraZeneca, Bayer, Abbvie, Merck, MSD, Bristol-Myer Squibb, Takeda, Novartis, Janssen, outside of the submitted work. Dr. Saqi reports receiving grants from Boehringer-Ingelheim; consulting fees from Genentech, Gilead, Abbvie, Bristol Myers Squibb, Veracyte; honoraria from Medscape, Bronx Lebanon, Memorial Sloan Kettering, New York University, Physicians Education Resource, Dedham, Qessential; support for attending meetings from College of American Pathologists, International Association for the Study of Lung Cancer, Gilead; patents for cell block device, Major Pathologic Response Calculator, outside of the submitted work. Dr. Scalper reports receiving grants from Akoya Biosciences, AstraZeneca, Boehringer-Ingelheim, Bristol-Myers Squibb, F. Hoffmann-La Roche, Eli Lilly, Merck Sharpe & Dohme, Ribon Therapeutics, Surface Oncology, Takeda, Tesaro Inc./GSK; consulting fees from Agenus, AstraZeneca, Bristol-Myers Squibb, CDR-Life Inc, Clinica Alemana de Santiago, EMD Serono Inc, F.Hoffmann-La Roche, Genmab A/S, Indaptus Therapeutics, Janssen Pharmaceuticals, Merck Sharpe & Dohme, Moderna, Molecular Templates, OnCusp Therapeutics, Parthenon/Incendia Therapeutics, Repertoire Therapeutics, Sanofi, Sensei Biotherapeutics, Shattuck Labs, Merus, Dynamicure, Takeda; honoraria from Genmab A/S, Merck, Sanofi, Takeda; payment for expert testimony from AstraZeneca, outside of the submitted work. Dr. Sholl reports receiving grants from Genentech, Bristol Myers Squibb; consulting fees from Eli Lilly, Genentech, outside of the submitted work. The remaining authors declare no conflict of interest., (Copyright © 2024 International Association for the Study of Lung Cancer. Published by Elsevier Inc. All rights reserved.)

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19) and has been related to more than 7 million deaths globally since 2019. The association of high levels of IL-6 with severe cases led to the early evaluation of the anti-IL6 inhibitor tocilizumab as a potential treatment, which unfortunately failed to improve survival in many trials. Moreover, little is known about the development of COVID-19 sequelae, and biomarkers are needed to understand and anticipate these processes. Because extracellular vesicles (EVs) play an important role in viral infection and immune response, they could potentially serve as predictive and prognostic biomarkers. We isolated EVs from 39 patients with severe COVID-19, from which 29 received tocilizumab and 10 were considered controls. Blood samples, which were collected at hospitalisation before treatment, at Day 7, and Day 15 during follow-up, were assessed by immunoblot for longitudinal expression of spike (S) and nucleocapsid (N) proteins. Dynamic expression was calculated and compared with clinicopathological and experimental variables. Expression of EV S was validated by immunogold and imaging flow-cytometry, revealing an enrichment in CD9+ EVs. As a result, decreasing expression of EV viral proteins was observed in patients treated with tocilizumab. Moreover, higher increase in EV S was observed in patients with lower antibody response, hyperfibrinogenemia, lower respiratory function, higher blood pressure and shorter outcomes. These findings lay the foundation for future studies characterizing the role of EVs in multiorgan assessment and identifying biomarkers in patients with severe COVID-19 and possible long COVID., (© 2024 The Author(s). Journal of Extracellular Vesicles published by Wiley Periodicals LLC on behalf of International Society for Extracellular Vesicles.)

Introduction: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may be spread by individuals unaware they are infected. Such dissemination has heightened ramifications in cancer patients, who may need to visit healthcare facilities frequently, be exposed to immune-compromising therapies, and face greater morbidity from coronavirus disease 2019 (COVID-19). We determined characteristics of (1) asymptomatic, clinically diagnosed, and (2) serologically documented but clinically undiagnosed SARS-CoV-2 infection among individuals with lung cancer., Patients and Methods: In a multicenter registry, individuals with lung cancer (regardless of prior SARS-CoV-2 vaccination or documented infection) underwent collection of clinical data and serial blood samples, which were tested for antinucleocapsid protein antibody (anti-N Ab) or IgG (N) levels. We used multivariable logistic regression models to investigate clinical characteristics associated with the presence or absence of symptoms and the presence or absence of a clinical diagnosis among patients with their first SARS-CoV-2 infection., Results: Among patients with serologic evidence or clinically documented SARS-CoV-2 infection, 80/142 (56%) had no reported symptoms at their first infection, and 61/149 (40%) were never diagnosed. Asymptomatic infection was more common among older individuals and earlier-stage lung cancer. In multivariable analysis, non-white individuals with SARS-CoV-2 serologic positivity were 70% less likely ever to be clinically diagnosed (P = .002)., Conclusions: In a multicenter lung cancer population, a substantial proportion of SARS-CoV-2 infections had no associated symptoms or were never clinically diagnosed. Because such cases appear to occur more frequently in populations that may face greater COVID-19-associated morbidity, measures to limit disease spread and severity remain critical., Competing Interests: Disclosure The authors report no conflicts directly relevant to the submitted work. Beyond this submission, the authors report the following disclosures: P.C.M. reports participation in advisory boards for Guardant Health, consulting for Vivace Therapeutics, and honoraria from Amgen. A.C.M. reports advisory board participation with Bayer, BMS, Exact Sciences, Gilead, and Novartis and board of directors of NTRKers. A.M.’s spouse, Dr. Martin Moore, is CSO and co-founder of Meissa Vaccines. J.C.K. reports consulting and advisory board participation for the following companies, all paid to GO2 for Lung Cancer: Amgen, Bristol Myers Squibb, Boehringer Ingelheim, and EQRX. C.R. reports speaker honoraria from AstraZeneca, Roche, and MSD; advisory board honoraria from Inivata, Archer, Boston Pharmaceuticals, MD Serono and Novartis, Bayer, Invitae, Regeneron, and Bostongene; scientific advisory board member for Imagene; institutional research funding from LCRF-Pfizer and NCRF; non-re-numerated research support from Guardant Health and Foundation Medicine; nonrenumerated leadership roles at the International Society of Liquid Biopsy (ISLB), the International Association for Study of Lung Cancer (IASLC), the European School of Oncology (ESO), and Oncology Latin American Association (OLA). J.D.M. reports licensing fees from the NIH and UTSW for distribution of human tumor cell lines. S.B. reports serving in consulting/advisory roles for Takeda, Mirati, and Merus. F.K. reports filed patents through The Icahn School of Medicine at Mount Sinai relating to SARS-CoV-2 serological assays, NDV-based SARS-CoV-2 vaccines, influenza virus vaccines, and influenza virus therapeutics, which list F.K. as co-inventor. Mount Sinai has spun out a company, Kantaro, to market serological tests for SARS- CoV-2, and another company, Castlevax, to develop SARS-CoV-2 vaccines. F.K. is co-founder and scientific advisory board member of Castle-vax. F.K. has consulted for Merck, Curevac, Seqirus, and Pfizer and is currently consulting for third Rock Ventures, GSK, Gritstone, and Avimex. He is also collaborating with Dynavax on influenza vaccine development. A.G.-S. has received research support from GSK, Pfizer, Senhwa Biosciences, Kenall Manufacturing, Blade Therapeutics, Avi-mex, Johnson & Johnson, Dynavax, 7Hills Pharma,Pharmamar, ImmunityBio, Accurius, Nanocompo-6, Hexamer, N-fold LLC, Model Medicines, Atea Pharma, Applied Biological Laboratories, and Merck, outside of the reported work; consulting agreements for the following companies involving cash and/or stock: Castlevax, Amovir, Vivaldi Biosciences, Contrafect, 7Hills Pharma, Avimex, Pagoda, Accurius, Esperovax, Farmak, Applied Biological Laboratories, Pharmamar, CureLab Oncology, CureLab Veterinary, Syn-airgen, Paratus, Pfizer, and Prosetta, outside of the reported work; has been an invited speaker in meeting events organized by Seqirus, Janssen, Abbott, and Astrazeneca; and is an inventor on patents and patent applications on the use of antivirals and vaccines for the treatment and prevention of virus infections and cancer, owned by the Icahn School of Medicine at Mount Sinai, New York, outside of the reported work. K.L.R. has served on advisory boards for Amgen, AstraZeneca, Bluprint, Daiichi Sankyo, EMD Serono, Genentech, GlaxoSmithKline, Janssen, Lilly, Novocure, and Mirati A.A.M. holds a consultant or advisory role at Novartis, Amgen and MorphoSys and has research funding from Amgen and Pfizer. S.S.R. reports research funding (institutional) from AstraZeneca, Amgen, Merck, Bristol Myers Squibb, and Pfizer. F.R.H. reports advisory board participation with Amgen, AstraZeneca, Genentech, Merck, Novo-cure, NextCure, Regeneron, Sanofi, Daiichi, G1 Therapeutics, Novartis, Merus Therapeutics, and ITeos Therapeutics. F.R.H. also reports a patent through University of Colorado on ‘‘EGFR Protein and Gene Copy Number as Predictive Biomarker for EGFR-directed Therapy. D.E.G. reports consulting fees from Catalyst Pharmaceuticals; U.S. patent 11,747,345; pending patents 17/045,482, 63/386,387, 63/382,972, and 63/382,257; participating in advisory boards for Astra-Zeneca, Daiichi-Sankyo, Elevation Oncology, Janssen Scientific Affairs, Jazz Pharmaceuticals, Regeneron Pharmaceuticals, and Sanofi; stock shares in Gilead; and serving as co-founder and Chief Scientific Officer of OncoSeer Diagnostics, Inc. M.S., C.-Y.H., Y.H., J.E.G., A.M.R., J.C., S.C.T., J.M.C., R.B., N.C.R., P.A.B., J.C.F., E.K., M.N., and Y.S. report no disclosures., (Copyright © 2024 Elsevier Inc. All rights reserved.)

Lung cancer is the leading cause of cancer death in the US and globally. The mortality from lung cancer has been declining, due to a reduction in incidence and advances in treatment. Although recent success in developing targeted and immunotherapies for lung cancer has benefitted patients, it has also expanded the complexity of potential treatment options for health care providers. To aid in reducing such complexity, experts in oncology convened a conference (Bridging the Gaps in Lung Cancer) to identify current knowledge gaps and controversies in the diagnosis, treatment, and outcomes of various lung cancer scenarios, as described here. Such scenarios relate to biomarkers and testing in lung cancer, small cell lung cancer, EGFR mutations and targeted therapy in non-small cell lung cancer (NSCLC), early-stage NSCLC, KRAS/BRAF/MET and other genomic alterations in NSCLC, and immunotherapy in advanced NSCLC., (© The Author(s) 2024. Published by Oxford University Press.)

Macrophage-to-osteoclast differentiation (osteoclastogenesis) plays an essential role in tumor osteolytic bone metastasis (BM), while its specific mechanisms remain largely uncertain in lung adenocarcinoma BM. In this study, we demonstrate that integrin-binding sialoprotein (IBSP), which is highly expressed in the cancer cells from bone metastatic and primary lesions of patients with lung adenocarcinoma, can facilitate BM and directly promote macrophage-to-osteoclast differentiation independent of RANKL/M-CSF. In vivo results further suggest that osteolytic BM in lung cancer specifically relies on IBSP-induced macrophage-to-osteoclast differentiation. Mechanistically, IBSP regulates the Rac family small GTPase 1 (Rac1)-NFAT signaling pathway and mediates the forward shift of macrophage-to-osteoclast differentiation, thereby leading to early osteolysis. Moreover, inhibition of Rac1 by EHT-1864 or azathioprine in mice models can remarkably alleviate IBSP-induced BM of lung cancer. Overall, our study suggests that tumor-secreted IBSP promotes BM by inducing macrophage-to-osteoclast differentiation, with potential as an early diagnostic maker for BM, and Rac1 can be the therapeutic target for IBSP-promoted BM in lung cancer., Competing Interests: Declaration of interests The authors declare no competing interests., (Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.)

Targeted therapies and immunotherapies have radically improved treatment for advanced non-small-cell lung cancer (NSCLC). Tyrosine kinase inhibitors targeting oncogenic driver mutations continue to evolve over multiple generations to enhance effectiveness and tackle drug resistance. Immune checkpoint inhibitors remain integral for the treatment of NSCLCs that do not have specific actionable genetic mutations. Antibody-drug conjugates and bispecific antibodies are being integrated into treatment guidelines, and emerging therapies include T-cell engagers, cellular therapies, cancer vaccines, and external devices. Despite these advances, challenges remain in identifying predictive biomarkers to individually tailor treatments, abrogate resistance, reduce costs, and ensure optimal cancer treatment accessibility., Competing Interests: Declaration of interests LP-A reports giving scientific advice or being on advisory boards for AstraZeneca, Merck Sharp & Dohme, Daichii, Bristol Myers Squibb, Merck, Roche, Amgen, Mirati, Blueprint, Pharmamar, AbbVie, Gilead, Boehringer Ingelheim, Pfizer, Novartis, and Beigene; is a founder and board member of Altum sequencing and Stabs therapeutics; and reports grants to their institution from Pfizer, Bristol Myers Squibb, AstraZeneca, and Pharmamar. FRH is on scientific boards for AstraZeneca, Regeneron, Sanofi, AbbVie, G1 Therapeutics, Novartis, Merus Therapeutics, Merck, Novocure, NextCure, and OncoHost; reports patents: EGFR protein expression and copy number as predictive biomarkers for EGFR-directed therapies (through the University of Colorado); and reports sponsored research (through Icahn School of Medicine, Mount Sinai) from Novartis and through Stand-Up-To Cancer from Jazz Pharmaceuticals. PAJ reports giving scientific advice or being on advisory boards for AbbVie, Accutar Biotech, Allorion Therapeutics, AstraZeneca, Bayer, Biocartis, Blueprint Medicines, Boehringer Ingelheim, Chugai Pharmaceuticals, Daiichi Sankyo, Duality, Eli Lilly, Esai, Frontier Medicines, Hongyun Biotechnology, Merus, Mirati Therapeutics, Monte Rosa, Novartis, Nuvalent, Pfizer, Roche/Genentech, Scorpion Therapeutics, SFJ Pharmaceuticals, Silicon Therapeutics, Syndax, Takeda Oncology, Transcenta, and Voronoi; reports sponsored research (to the Dana Farber Cancer Institute) from AstraZeneca, Boehringer Ingelheim, Daiichi Sankyo, Eli Lilly, PUMA, Revolution Medicines, and Takeda Oncology; and reports patents and post-marketing royalties from Dana Farber Cancer Institute-owned intellectual property on EGFR mutations licensed to Lab Corp. SP reports consultation or advisory roles for AbbVie, Amgen, Arcus, AstraZeneca, Bayer, Beigene, BerGenBio, Biocartis, BioInvent, Blueprint Medicines, Boehringer Ingelheim, Bristol Myers Squibb, Clovis, Daiichi Sankyo, Debiopharm, Eli Lilly, F-Star, Fishawack, Foundation Medicine, Genzyme, Gilead, GSK, Hutchmed, Illumina, Incyte, Ipsen, iTeos, Janssen, Merck Sharp & Dohme, Merck Serono, Merrimack, Mirati, Nykode Therapeutics, Novartis, Novocure, Pharma Mar, Promontory Therapeutics, Pfizer, Regeneron, Roche/Genentech, Sanofi, Seattle Genetics, and Takeda; has a board of director position with Galenica; and reports giving talks in a company's organised public event for AstraZeneca, Boehringer Ingelheim, Bristol Myers Squibb, Eli Lilly, Foundation Medicine, GSK, Illumina, Ipsen, Merck Sharp & Dohme, Mirati, Novartis, Pfizer, Roche/Genentech, Sanofi, and Takeda. All other authors report no competing interests., (Copyright © 2024 Elsevier Ltd. All rights reserved, including those for text and data mining, AI training, and similar technologies.)

Several observations indicate that protein expression analysis by immunohistochemistry (IHC) remains relevant in individuals with non-small-cell lung cancer (NSCLC) when considering targeted therapy, as an early step in diagnosis and for therapy selection. Since the advent of next-generation sequencing (NGS), the role of IHC in testing for NSCLC biomarkers has been forgotten or ignored. We discuss how protein-level investigations maintain a critical role in defining sensitivity to lung cancer therapies in oncogene- and non-oncogene-addicted cases and in patients eligible for immunotherapy, suggesting that IHC testing should be reconsidered in clinical practice. We also argue how a panel of IHC tests should be considered complementary to NGS and other genomic assays. This is relevant to current clinical diagnostic practice but with potential future roles to optimize the selection of patients for innovative therapies. At the same time, strict validation of antibodies, assays, scoring systems, and intra- and interobserver reproducibility is needed., Competing Interests: Declaration of Competing Interest Dr. Fred R. Hirsch has participated in scientific advisory boards for AstraZeneca, Bristol-Myers Squibb, Sanofi, Regeneron, Novartis, Amgen, Genentech, Novocure, NextCure, Nectin Therapeutics, Merus Therapeutics, G1-Therapeutics, and Blueprint Medicines., (Copyright © 2024 Elsevier B.V. All rights reserved.)

In patients with lung cancer (LC), understanding factors that impact the dynamics of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) anti-spike antibody (SAb) titers over time is critical, but challenging, due to evolving treatments, infections, vaccinations, and health status. The objective was to develop a time-dependent regression model elucidating individual contributions of factors influencing SAb levels in LC patients using a prospective, longitudinal, multi-institutional cohort study initiated in January 2021. The study evaluated 296 LC patients-median age 69; 55% female; 50% stage IV. Blood samples were collected every three months to measure SAb levels using FDA-approved ELISA. Asymptomatic and unreported infections were documented through measurement of anti-nucleocapsid Ab levels (Meso Scale Discovery). Associations between clinical characteristics and titers were evaluated using a time-dependent linear regression model with a generalized estimating equation (GEE), considering time-independent variables (age, sex, ethnicity, smoking history, histology, and stage) and time-dependent variables (booster vaccinations, SARS-CoV-2 infections, cancer treatment, steroid use, and influenza vaccination). Significant time-dependent effects increasing titer levels were observed for prior SARS-CoV-2 infection ( p < 0.001) and vaccination/boosters ( p < 0.001). Steroid use ( p = 0.043) and chemotherapy ( p = 0.033) reduced titer levels. Influenza vaccination was associated with increased SAb levels ( p < 0.001), independent of SARS-CoV-2 vaccine boosters. Prior smoking significantly decreased titers in females ( p = 0.001). Age showed no association with titers. This GEE-based linear regression model unveiled the nuanced impact of multiple variables on patient anti-spike Ab levels over time. After controlling for the major influences of vaccine and SARS-CoV-2 infections, chemotherapy and steroid use were found to have negatively affected titers. Smoking in females significantly decreased titers. Surprisingly, influenza vaccinations were also significantly associated, likely indirectly, with improved SARS-CoV-2 titers.

The identification of actionable biomarkers and development of targeted therapies have revolutionized the field of lung cancer treatment. In patients with advanced non-small cell lung cancer (NSCLC), biomarker testing can inform selection of effective targeted therapies as well as avoid therapies that are less likely to be effective in certain populations. A growing number of actionable targets, including those involving EGFR, ALK, ROS1, BRAF, MET, KRAS, NTRK, RET, HER2, and PD-L1, can be identified with biomarker testing. More than half of patients with advanced NSCLC have tumors that harbor genetic alterations that can be targeted. When these patients are treated with targeted therapy, survival and quality of life may be significantly improved. In addition, broad-based molecular testing may detect alterations identifying patients who are potentially eligible for current or future clinical trials. Comprehensive biomarker testing rates in communities are often low, and turnaround times for results can be unacceptably long. There is an unmet need for widespread, efficient, and routine testing of all biomarkers recommended by clinical guidelines. New testing techniques and technologies can make this an attainable goal. Panel-based sequencing platforms are becoming more accessible, and molecular biomarker analysis of circulating tumor DNA is becoming more common. In this podcast, we discuss the importance of biomarker testing in advanced NSCLC and explore topics such as testing methodologies, effect of biomarker testing on patient outcomes, emerging technologies, and strategies for improving testing rates in the United States. Supplementary file1 (MP4 121301 KB)., (© 2024. The Author(s).)

Introduction: Pathologic response (PathR) by histopathologic assessment of resected specimens may be an early clinical end point associated with long-term outcomes with neoadjuvant therapy. Digital pathology may improve the efficiency and precision of PathR assessment. LCMC3 (NCT02927301) evaluated neoadjuvant atezolizumab in patients with resectable NSCLC and reported a 20% major PathR rate., Methods: We determined PathR in primary tumor resection specimens using guidelines-based visual techniques and developed a convolutional neural network model using the same criteria to digitally measure the percent viable tumor on whole-slide images. Concordance was evaluated between visual determination of percent viable tumor (n = 151) performed by one of the 47 local pathologists and three central pathologists., Results: For concordance among visual determination of percent viable tumor, the interclass correlation coefficient was 0.87 (95% confidence interval [CI]: 0.84-0.90). Agreement for visually assessed 10% or less viable tumor (major PathR [MPR]) in the primary tumor was 92.1% (Fleiss kappa = 0.83). Digitally assessed percent viable tumor (n = 136) correlated with visual assessment (Pearson r = 0.73; digital/visual slope = 0.28). Digitally assessed MPR predicted visually assessed MPR with outstanding discrimination (area under receiver operating characteristic curve, 0.98) and was associated with longer disease-free survival (hazard ratio [HR] = 0.30; 95% CI: 0.09-0.97, p = 0.033) and overall survival (HR = 0.14, 95% CI: 0.02-1.06, p = 0.027) versus no MPR. Digitally assessed PathR strongly correlated with visual measurements., Conclusions: Artificial intelligence-powered digital pathology exhibits promise in assisting pathologic assessments in neoadjuvant NSCLC clinical trials. The development of artificial intelligence-powered approaches in clinical settings may aid pathologists in clinical operations, including routine PathR assessments, and subsequently support improved patient care and long-term outcomes., (Copyright © 2023 International Association for the Study of Lung Cancer. Published by Elsevier Inc. All rights reserved.)

Current treatment guidelines refer to small cell lung cancer (SCLC), one of the deadliest human malignancies, as a homogeneous disease. Accordingly, SCLC therapy comprises chemoradiation with or without immunotherapy. Meanwhile, recent studies have made significant advances in subclassifying SCLC based on the elevated expression of the transcription factors ASCL1, NEUROD1, and POU2F3, as well as on certain inflammatory characteristics. The role of the transcription regulator YAP1 in defining a unique SCLC subset remains to be established. Although preclinical analyses have described numerous subtype-specific characteristics and vulnerabilities, the so far non-existing clinical subtype distinction may be a contributor to negative clinical trial outcomes. This comprehensive review aims to provide a framework for the development of novel personalized therapeutic approaches by compiling the most recent discoveries achieved by preclinical SCLC research. We highlight the challenges faced due to limited access to patient material as well as the advances accomplished by implementing state-of-the-art models and methodologies., (© 2024. The Author(s).)

Background: Patients who possess various histological subtypes of early-stage lung adenocarcinoma (LUAD) have considerably diverse prognoses. The simultaneous existence of several histological subtypes reduces the clinical accuracy of the diagnosis and prognosis of early-stage LUAD due to intratumour intricacy., Methods: We included 11 postoperative LUAD patients pathologically confirmed to be stage IA. Single-cell RNA sequencing (scRNA-seq) was carried out on matched tumour and normal tissue. Three formalin-fixed and paraffin-embedded cases were randomly selected for 10× Genomics Visium analysis, one of which was analysed by digital spatial profiler (DSP)., Results: Using DSP and 10× Genomics Visium analysis, signature gene profiles for lepidic and acinar histological subtypes were acquired. The percentage of histological subtypes predicted for the patients from samples of 11 LUAD fresh tissues by scRNA-seq showed a degree of concordance with the clinicopathologic findings assessed by visual examination. DSP proteomics and 10× Genomics Visium transcriptomics analyses revealed that a negative correlation (Spearman correlation analysis: r = -.886; p = .033) between the expression levels of CD8 and the expression trend of programmed cell death 1(PD-L1) on tumour endothelial cells. The percentage of CD8+ T cells in the acinar region was lower than in the lepidic region., Conclusions: These findings illustrate that assessing patient histological subtypes at the single-cell level is feasible. Additionally, tumour endothelial cells that express PD-L1 in stage IA LUAD suppress immune-responsive CD8+ T cells., (© 2024 The Authors. Clinical and Translational Medicine published by John Wiley & Sons Australia, Ltd on behalf of Shanghai Institute of Clinical Bioinformatics.)

Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are the current recommended option for the first-line treatment of patients with EGFR-mutant non-small cell lung cancer (NSCLC). Resistance to first-generation TKIs led to the development of second- and third-generation TKIs with improved clinical outcomes. However, sequential administration of TKIs has led to the emergence of new EGFR resistance mutations and persistent tumor cell survival. This evidence highlights the potential role of EGFR in transducing growth signals in NSCLC tumor cells. Therefore, dual inhibition of EGFR using combinations of anti-EGFR monoclonal antibodies (mAbs) and EGFR-TKIs may offer a unique treatment strategy to suppress tumor cell growth. Several clinical studies have demonstrated the benefits of dual blockade of EGFR using anti-EGFR mAbs coupled with EGFR-TKIs in overcoming treatment resistance in patients with EGFR-mutated NSCLC. However, a single treatment option may not result in the same clinical benefits in all patients with acquired resistance. Biomarkers, including EGFR overexpression, EGFR gene copy number, EGFR and KRAS mutations, and circulating tumor DNA, have been associated with improved clinical efficacy with anti-EGFR mAbs in patients with NSCLC and acquired resistance. Further investigation of biomarkers may allow patient selection for those who could benefit from anti-EGFR mAbs in combination with EGFR-TKIs. This review summarizes findings of recent studies of anti-EGFR mAbs in combination with EGFR-TKIs for the treatment of patients with EGFR-mutated NSCLC, as well as clinical evidence for potential biomarkers towards personalized targeted medicine., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved.)

Purpose: Pleural mesothelioma (PM) is an aggressive tumor still considered incurable, in part due to the lack of predictive biomarkers. Little is known about the clinical implications of molecular alterations in resectable PM tissues and blood. Here, we characterized genetic alterations to identify prognostic and predictive biomarkers in patients with resected PM., Experimental Design: Targeted next-generation sequencing was performed in retrospective pleural tumor tissue and paired plasma samples from stage IB-IIIB resected PM. Association between prognosis and presence of specific mutations was validated in silico., Results: Thirty PM tissues and paired blood samples from 12 patients were analyzed. High tissue tumor mutational burden (TMB) (>10 mutations/Mb), tissue median minor allele frequency (MAF) (>9 mutations/Mb), and blood TMB (>6 mutations/Mb), tissue KMT2C, PBRM1, PKHD1,EPHB1 and blood LIFR mutations correlated with longer disease-free survival and/or overall survival. High concordance (>80%) between tissue and blood was found for some mutations., Conclusions: Tissue TMB and MAF, blood TMB, and specific mutations correlated with outcomes in patients with resected PM and should be further studied to validate their role as prognostic biomarkers and potentially predictive factors for combinations with immune-checkpoint inhibitors. This suggest that molecular profiling could identify longer survivors in patients with resected PM., Competing Interests: Declaration of Competing Interest Umberto Malapelle has received personal fees (as consultant and/or speaker bureau) from Boehringer Ingelheim, Roche, MSD, Amgen, Thermo Fisher Scientifics, Eli Lilly, Diaceutics, GSK, Merck, AstraZeneca, Janssen, Diatech, Novartis and Hedera unrelated to the current work. Pasquale Pisapia has received personal fees as speaker bureau from Novartis, for work performed outside of the current study. Giancarlo Troncone reports personal fees (as speaker bureau or advisor) from Roche, MSD, Pfizer, Boehringer Ingelheim, Eli Lilly, BMS, GSK, Menarini, AstraZeneca, Amgen, and Bayer unrelated to the current work. Alessandro Russo reports advisory board role/consultancy from AstraZeneca, MSD, Novartis, Pfizer, BMS, Roche, and Amgen unrelated to the current work. Andres F. Cardona discloses financial research support from Merck Sharp & Dohme, Boehringer Ingelheim, Roche, Bristol‐Myers Squibb, Foundation Medicine, Roche Diagnostics, Thermo Fisher, Broad Institute, BioNTech, Amgen, Flatiron Health, Teva Pharma, Rochem Biocare, Bayer, INQBox and The Foundation for Clinical and Applied Cancer Research – FICMAC; advisor role to EISAI, Merck Serono, Jannsen Pharmaceutical, Merck Sharp & Dohme, Boehringer Ingelheim, Roche, Bristol‐Myers Squibb, Pfizer, Novartis, Celldex Therapeutics, Foundation Medicine, Eli Lilly, Guardant Health, Illumina, and Foundation for Clinical and Applied Cancer Research – FICMAC outside the submitted work. Marzia Del Re has received research grants from Astellas and AstraZeneca, consulting fees from Janssen, AstraZeneca, Astellas, discloses speaker bureau role for AstraZeneca, Astellas, Janssen, Novartis, Roche, Daiicho Sankyo, Takeda, advisory board role for Novartis, Roche, and Amgen outside the submitted work. Ashutosh Sachdeva reports consulting fees from AMBU and MERIT, advisory board role for AMBU not related to the submitted work. Fred R. Hirsch reports advisory boards consultancy for Bristol‐Myers Squibb, AstraZeneca/Daiichi, Sanofi/Regeneron, Novartis, Amgen, OncoCyte, Genentech, and Nectin Therapeutics unrelated to the current work. Christian Rolfo is a speaker for Merck Sharp and Dohme, AstraZeneca, COR2ED, Daiichi Sankyo, Physicians Education Resource, and Roche (CH); has research collaborations (nonfinancial support) with Guardant Health; advisory board activity: Archer, Inivata, Bayer U.C. LLC, Boston pharmaceutical, CEA, MD Serono, General Dynamics, MedStar, Novartis, Sanofi Genzyme‐Regeneron. Provides expert testimony to Intellisphere, scientific board for Imagene, and is a coordinating PI for MD Serono Global PI LUNG itrapid@ 024 trial. Research grant from LCRF‐Pfizer unrelated to the current work. The other authors declare no competing interest., (Copyright © 2023. Published by Elsevier Ltd.)

Myeloid cells are known to suppress antitumour immunity 1 . However, the molecular drivers of immunosuppressive myeloid cell states are not well defined. Here we used single-cell RNA sequencing of human and mouse non-small cell lung cancer (NSCLC) lesions, and found that in both species the type 2 cytokine interleukin-4 (IL-4) was predicted to be the primary driver of the tumour-infiltrating monocyte-derived macrophage phenotype. Using a panel of conditional knockout mice, we found that only deletion of the IL-4 receptor IL-4Rα in early myeloid progenitors in bone marrow reduced tumour burden, whereas deletion of IL-4Rα in downstream mature myeloid cells had no effect. Mechanistically, IL-4 derived from bone marrow basophils and eosinophils acted on granulocyte-monocyte progenitors to transcriptionally programme the development of immunosuppressive tumour-promoting myeloid cells. Consequentially, depletion of basophils profoundly reduced tumour burden and normalized myelopoiesis. We subsequently initiated a clinical trial of the IL-4Rα blocking antibody dupilumab 2-5 given in conjunction with PD-1/PD-L1 checkpoint blockade in patients with relapsed or refractory NSCLC who had progressed on PD-1/PD-L1 blockade alone (ClinicalTrials.gov identifier NCT05013450 ). Dupilumab supplementation reduced circulating monocytes, expanded tumour-infiltrating CD8 T cells, and in one out of six patients, drove a near-complete clinical response two months after treatment. Our study defines a central role for IL-4 in controlling immunosuppressive myelopoiesis in cancer, identifies a novel combination therapy for immune checkpoint blockade in humans, and highlights cancer as a systemic malady that requires therapeutic strategies beyond the primary disease site., (© 2023. The Author(s), under exclusive licence to Springer Nature Limited.)