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Edwards DM, Schonewolf CA, Rice JD, Schipper M, Haken RKT, Matuszak M, Balter J, Jarema D, Arenberg DA, Piert M, Qin A, Kalemkerian GP, Schneider BJ, Ramnath N, Chapman CH, Elliott DA, Lawrence TS, Hearn J, Hayman JA, Jolly S. Phase 2 Trial Assessing Toxicity of Personalized Response-Based Radiation Treatment in Patients With Locally Advanced Non-Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2024:S0360-3016(24)00749-1. [PMID: 38971385 DOI: 10.1016/j.ijrobp.2024.06.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 04/22/2024] [Accepted: 06/18/2024] [Indexed: 07/08/2024]
Abstract
PURPOSE Local failure rates after treatment for locally advanced non-small cell lung cancer (NSCLC) remain high. Efforts to improve local control with a uniform dose escalation or dose escalation to midtreatment positron emission tomography (PET)-avid residual disease have been limited by heightened toxicity. This trial aimed to refine response-based adaptive radiation therapy (RT) and minimize toxicity by incorporating fluorodeoxyglucose-PET (FDG-PET) and ventilation-perfusion single-photon emission computed tomography (SPECT) imaging midtreatment. METHODS AND MATERIALS A total of 47 patients with stage IIA to III unresectable NSCLC were prospectively enrolled in this single-institution trial (NCT02492867). Patients received concurrent chemoradiation therapy with personalized response-based adaptive RT over 30 fractions incorporating ventilation-perfusion single-photon emission computed tomography and FDG-PET. The first 21 fractions (46.2 Gy at 2.2 Gy/fraction) were delivered to the tumor while minimizing the dose to the SPECT-defined functional lung. The plan was then adapted for the final 9 fractions (2.2-3.8 Gy/fraction) up to a total of 80.4 Gy, based on the midtreatment FDG-PET tumor response to escalate the dose to the residual tumor while minimizing the dose to the SPECT-defined functional lung. Nonprogressing patients received consolidative carboplatin, paclitaxel, or durvalumab. The primary endpoint of the study was ≥ grade 2 lung and esophageal toxicities. Secondary endpoints included time to local progression, tumor response, and overall survival. RESULTS At 1 year posttreatment, the rates of grade 2 and grade 3 pneumonitis were 21.3% and 2.1%, respectively, with no difference in pneumonitis rates among patients who received and did not receive adjuvant durvalumab (P = .74). Although there were no grade 3 esophageal-related toxicities, 66.0% of patients experienced grade 2 esophagitis. The 1- and 2-year local control rates were 94.5% (95% CI, 87.4%-100%) and 87.5% (95% CI, 76.7%-100%), respectively. Overall survival was 82.8% (95% CI, 72.6%-94.4%) at 1 year and 62.3% (95% CI, 49.6%-78.3%) at 2 years. CONCLUSIONS Response-based adaptive dose-escalation accounting for tumor change and normal tissue function during treatment provided excellent local control, comparable toxicity to standard chemoradiation therapy, and did not increase toxicity with adjuvant immunotherapy.
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Owen DH, Jaiyesimi IA, Leighl NB, Ismaila N, Florez N, Puri S, Schenk EL, Schneider BJ, Patel JD. Therapy for Stage IV Non-Small Cell Lung Cancer With and Without Driver Alterations: ASCO Living Guideline Clinical Insights. JCO Oncol Pract 2024; 20:893-898. [PMID: 38588478 DOI: 10.1200/op.24.00177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 03/12/2024] [Indexed: 04/10/2024] Open
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Jaiyesimi IA, Leighl NB, Ismaila N, Alluri K, Florez N, Gadgeel S, Masters G, Schenk EL, Schneider BJ, Sequist L, Singh N, Bazhenova L, Blanchard E, Freeman-Daily J, Furuya N, Halmos B, Azar IH, Kuruvilla S, Mullane M, Naidoo J, Reuss JE, Spigel DR, Owen DH, Patel JD. Therapy for Stage IV Non-Small Cell Lung Cancer With Driver Alterations: ASCO Living Guideline, Version 2023.3. J Clin Oncol 2024; 42:e1-e22. [PMID: 38417091 DOI: 10.1200/jco.23.02744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 01/18/2024] [Indexed: 03/01/2024] Open
Abstract
PURPOSE To provide evidence-based recommendations for patients with stage IV non-small cell lung cancer with driver alterations. METHODS This ASCO living guideline offers continually updated recommendations based on an ongoing systematic review of randomized clinical trials (RCTs), with the latest time frame spanning February to October 2023. An Expert Panel of medical oncology, pulmonary, community oncology, research methodology, and advocacy experts were convened. The literature search included systematic reviews, meta-analyses, and randomized controlled trials. Outcomes of interest include efficacy and safety. Expert Panel members used available evidence and informal consensus to develop evidence-based guideline recommendations. RESULTS This guideline consolidates all previous updates and reflects the body of evidence informing this guideline topic. Eight new RCTs were identified in the latest search of the literature to date. RECOMMENDATIONS Evidence-based recommendations were updated to address first, second, and subsequent treatment options for patients based on targetable driver alterations.Additional information is available at www.asco.org/living-guidelines.
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Jaiyesimi IA, Leighl NB, Ismaila N, Alluri K, Florez N, Gadgeel S, Masters G, Schenk EL, Schneider BJ, Sequist L, Singh N, Bazhenova L, Blanchard E, Freeman-Daily J, Furuya N, Halmos B, Azar IH, Kuruvilla S, Mullane M, Naidoo J, Reuss JE, Spigel DR, Owen DH, Patel JD. Therapy for Stage IV Non-Small Cell Lung Cancer Without Driver Alterations: ASCO Living Guideline, Version 2023.3. J Clin Oncol 2024; 42:e23-e43. [PMID: 38417098 DOI: 10.1200/jco.23.02746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 12/27/2023] [Indexed: 03/01/2024] Open
Abstract
PURPOSE To provide evidence-based recommendations for patients with stage IV non-small cell lung cancer (NSCLC) without driver alterations. METHODS This ASCO living guideline offers continually updated recommendations based on an ongoing systematic review of randomized clinical trials (RCTs), with the latest time frame spanning February to October 2023. An Expert Panel of medical oncology, pulmonary, community oncology, research methodology, and advocacy experts were convened. The literature search included systematic reviews, meta-analyses, and randomized controlled trials. Outcomes of interest include efficacy and safety. Expert Panel members used available evidence and informal consensus to develop evidence-based guideline recommendations. RESULTS This guideline consolidates all previous updates and reflects the body of evidence informing this guideline topic. Ten new RCTs were identified in the latest search of the literature to date. RECOMMENDATIONS Evidence-based recommendations were updated to address first, second, and subsequent treatment options for patients without driver alterations.Additional information is available at www.asco.org/living-guidelines.
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Qin A, Wells L, Malhotra B, Gadgeel S, Schneider BJ, Ramnath N, Rice JD, Kalemkerian GP. A Phase II Trial of Pevonedistat and Docetaxel in Patients With Previously Treated Advanced Non-Small-Cell Lung Cancer. Clin Lung Cancer 2024; 25:128-134. [PMID: 37977950 DOI: 10.1016/j.cllc.2023.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/20/2023] [Accepted: 10/24/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Postimmunotherapy (IO) treatment options for stage IV non-small-cell lung cancer (NSCLC) remain limited. Docetaxel alone or in combination with ramucirumab remains a standard of care, but response rates and survival benefit are suboptimal. Cullin-RING ligases (CRL) catalyze degradation of tumor suppressor proteins and are overactivated in NSCLC. Neddylation, which is catalyzed by the NEDD8 activating enzyme (NAE), is required for the activation of CRLs. Pevonedistat, a first-in-class small molecule NAE inhibitor, exerted antitumor activity when combined with docetaxel in preclinical studies. METHODS We conducted a phase II, single-arm, investigator-initiated study evaluating the efficacy of pevonedistat plus docetaxel in patients with relapsed/refractory stage IV NSCLC. Patients received docetaxel 75 mg/m2 on day 1 and pevonedistat 25 mg/m2 on days 1, 3 and 5 of a 21-day cycle. The primary endpoint was objective response rate (ORR). RESULTS From March 5, 2018 to January 26, 2021, we enrolled 31 patients. The ORR was 22% (1 CR, 5 PR), median PFS was 4.1 months, and median OS was 13.2 months. The incidence of Grade ≥3 adverse events (AE) was 53% in patients (n = 30) who received at least 1 dose of both drugs, with the most frequent being neutropenia and AST/ALT elevation. One patient was taken off study for a Grade 4 transaminase elevation. There were no Grade 5 toxicities. CONCLUSION Our data suggest that the combination of docetaxel and pevonedistat is safe and exerts activity in patients with relapsed NSCLC. These encouraging results suggest that the neddylation pathway is an antitumor pathway that should be further studied.
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Sperling G, Shatila M, Varatharajalu K, Lu Y, Altan M, Zhou Y, Zhao D, De Toni EN, Török HP, Schneider BJ, Khan A, Thomas AS, Zhang HC, Shafi MA, Wang Y. Pneumatosis intestinalis in cancer patients who received immune checkpoint inhibitors. J Cancer Res Clin Oncol 2023; 149:17597-17605. [PMID: 37917197 DOI: 10.1007/s00432-023-05461-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 10/05/2023] [Indexed: 11/04/2023]
Abstract
PURPOSE Immune checkpoint inhibitor (ICI) therapy may give rise to immune-related adverse events (irAEs). Pneumatosis intestinalis (PI), or gas within the bowel wall, has very rarely been observed following ICI therapy, and its clinical significance is unclear. We described the clinical characteristics and outcomes of PI as a possible irAE in cancer patients. METHODS We retrospectively identified 12 adult cancer patients with radiologic evidence of PI within 1 year after ICI exposure during January 2010-January 2023. Clinical characteristics, treatment, and outcomes were evaluated. RESULTS The median age of our sample was 64 years. The most common cancer types were thoracic/head & neck and gastrointestinal. Eleven patients (92%) received anti-PD-1/L1 monotherapy, while 1 patient (8%) received a combination of anti-PD-1/L1 and anti-CTLA-4. PI occurred a median of 7 months after the first ICI dose. Half the patients (50%) were asymptomatic on diagnosis, and the most common presenting symptom was abdominal pain (42%). Six patients experienced complications, namely pneumoperitoneum (n = 6, 50%) and microperforation (n = 1, 8%), identified on imaging. Nine patients were treated with antibiotics and 3 patients were monitored conservatively. Nine patients (75%) resumed cancer treatment after PI. CONCLUSION PI may develop as an irAE. While half of cases were incidental radiologic findings, management with antibiotics as well as hospitalization for observation may still be appropriate. The decision to restart cancer therapy and possibly resume ICI therapy remains to be elucidated. Further large-scale studies may be warranted to clarify the association between PI and ICI therapy.
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Iyengar P, All S, Berry MF, Boike TP, Bradfield L, Dingemans AMC, Feldman J, Gomez DR, Hesketh PJ, Jabbour SK, Jeter M, Josipovic M, Lievens Y, McDonald F, Perez BA, Ricardi U, Ruffini E, De Ruysscher D, Saeed H, Schneider BJ, Senan S, Widder J, Guckenberger M. Treatment of Oligometastatic Non-Small Cell Lung Cancer: An ASTRO/ESTRO Clinical Practice Guideline. Pract Radiat Oncol 2023; 13:393-412. [PMID: 37294262 DOI: 10.1016/j.prro.2023.04.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 04/07/2023] [Indexed: 06/10/2023]
Abstract
PURPOSE This joint guideline by American Society for Radiation Oncology (ASTRO) and the European Society for Radiotherapy and Oncology (ESTRO) was initiated to review evidence and provide recommendations regarding the use of local therapy in the management of extracranial oligometastatic non-small cell lung cancer (NSCLC). Local therapy is defined as the comprehensive treatment of all known cancer-primary tumor, regional nodal metastases, and metastases-with definitive intent. METHODS ASTRO and ESTRO convened a task force to address 5 key questions focused on the use of local (radiation, surgery, other ablative methods) and systemic therapy in the management of oligometastatic NSCLC. The questions address clinical scenarios for using local therapy, sequencing and timing when integrating local with systemic therapies, radiation techniques critical for oligometastatic disease targeting and treatment delivery, and the role of local therapy for oligoprogression or recurrent disease. Recommendations were based on a systematic literature review and created using ASTRO guidelines methodology. RESULTS Based on the lack of significant randomized phase 3 trials, a patient-centered, multidisciplinary approach was strongly recommended for all decision-making regarding potential treatment. Integration of definitive local therapy was only relevant if technically feasible and clinically safe to all disease sites, defined as 5 or fewer distinct sites. Conditional recommendations were given for definitive local therapies in synchronous, metachronous, oligopersistent, and oligoprogressive conditions for extracranial disease. Radiation and surgery were the only primary definitive local therapy modalities recommended for use in the management of patients with oligometastatic disease, with indications provided for choosing one over the other. Sequencing recommendations were provided for systemic and local therapy integration. Finally, multiple recommendations were provided for the optimal technical use of hypofractionated radiation or stereotactic body radiation therapy as definitive local therapy, including dose and fractionation. CONCLUSIONS Presently, data regarding clinical benefits of local therapy on overall and other survival outcomes is still sparse for oligometastatic NSCLC. However, with rapidly evolving data being generated supporting local therapy in oligometastatic NSCLC, this guideline attempted to frame recommendations as a function of the quality of data available to make decisions in a multidisciplinary approach incorporating patient goals and tolerances.
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Owen DH, Singh N, Ismaila N, Masters G, Riely GJ, Robinson AG, Schneider BJ, Jaiyesimi IA. Therapy for Stage IV Non-Small-Cell Lung Cancer With Driver Alterations: ASCO Living Guideline, Version 2023.2. J Clin Oncol 2023; 41:e63-e72. [PMID: 37433095 DOI: 10.1200/jco.23.01055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 05/23/2023] [Indexed: 07/13/2023] Open
Abstract
Living guidelines are developed for selected topic areas with rapidly evolving evidence that drives frequent change in clinical practice. Living guidelines are updated on a regular schedule by a standing expert panel that systematically reviews the health literature on a continuous basis; as described in the ASCO Guidelines Methodology Manual. ASCO Living Guidelines follow the ASCO Conflict of Interest Policy Implementation for Clinical Practice Guidelines. Living Guidelines and updates are not intended to substitute for independent professional judgment of the treating provider and do not account for individual variation among patients. See appendix for disclaimers and other important information (Appendix 1 and Appendix 2). Updates are published regularly and can be found at https://ascopubs.org/nsclc-da-living-guideline.
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Pasternak AL, Seda R, Lipa J, McDevitt RL, Crysler OV, Swiecicki PL, Schneider BJ, Vanderwerff B, Henry NL, Krauss JC, Sahai V, Hertz DL. Confirmatory DPYD Testing in Patients Receiving Fluoropyrimidines who are Suspected DPYD Variant Carriers Based on a Genetic Data Repository. Clin Pharmacol Ther 2023. [PMID: 37163252 DOI: 10.1002/cpt.2936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 05/05/2023] [Indexed: 05/11/2023]
Abstract
Using pharmacogenetics (PGx) to inform clinical decision making can benefit patients but clinical use of PGx testing has been limited. Existing genetics data obtained in the course of research could be used to identify patients who are suspected, but have not yet been confirmed, to carry clinically actionable genotypes, in whom confirmatory genetic testing could be conducted for highly efficient PGx implementation. Herein we demonstrate that it is regulatorily and technically feasible to implement PGx by identifying suspected carriers of actionable genotypes within an institutional genetics data repository and conduct confirmatory PGx testing immediately prior to that patient receiving the PGx-relevant drug, using a case study of DPYD testing prior to fluoropyrimidine chemotherapy. In two years since launching this program, ~3,000 suspected DPYD carriers have been passively monitored and one confirmed DPYD carrier was prevented from receiving unacceptably toxic fluoropyrimidine treatment, for minimal cost and effort. Now that we have demonstrated the feasibility of this strategy, we plan to transition to PGx panel testing and expand implementation to other genes and drugs for which the evidence of clinical benefit of PGx-informed treatment is high but PGx testing is not generally conducted. This highly efficient implementation process will maximize the clinical benefits of testing and could be explored at other institutions that have research-only genetic data repositories to expand the number of patients who benefit from PGx-informed treatment while we continue to work toward wide-scale adoption of PGx testing and implementation.
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Owen DH, Singh N, Ismaila N, Blanchard E, Celano P, Florez N, Jain D, Leighl NB, Mamdani H, Masters G, Moffitt PR, Naidoo J, Phillips T, Riely GJ, Robinson AG, Schenk E, Schneider BJ, Sequist L, Spigel DR, Jaiyesimi IA. Therapy for Stage IV Non-Small-Cell Lung Cancer Without Driver Alterations: ASCO Living Guideline, Version 2022.2. J Clin Oncol 2023; 41:e1-e9. [PMID: 36534938 DOI: 10.1200/jco.22.02121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Living guidelines are developed for selected topic areas with rapidly evolving evidence that drives frequent change in recommended clinical practice. Living guidelines are updated on a regular schedule by a standing expert panel that systematically reviews the health literature on a continuous basis, as described in the ASCO Guidelines Methodology Manual. ASCO Living Guidelines follow the ASCO Conflict of Interest Policy Implementation for Clinical Practice Guidelines. Living Guidelines and updates are not intended to substitute for independent professional judgment of the treating provider and do not account for individual variation among patients. See Appendix 1 (online only) for disclaimers and other important information. Updates are published regularly and can be found at https://ascopubs.org/nsclc-non-da-living-guideline.
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Owen DH, Singh N, Ismaila N, Blanchard E, Celano P, Florez N, Jain D, Leighl NB, Mamdani H, Masters G, Moffitt PR, Naidoo J, Phillips T, Riely GJ, Robinson AG, Schenk E, Schneider BJ, Sequist L, Spigel DR, Jaiyesimi IA. Therapy for Stage IV Non-Small-Cell Lung Cancer With Driver Alterations: ASCO Living Guideline, Version 2022.2. J Clin Oncol 2023; 41:e10-e20. [PMID: 36534938 DOI: 10.1200/jco.22.02124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Living guidelines are developed for selected topic areas with rapidly evolving evidence that drives frequent change in recommended clinical practice. Living guidelines are updated on a regular schedule by a standing expert panel that systematically reviews the health literature on a continuous basis, as described in the ASCO Guidelines Methodology Manual. ASCO Living Guidelines follow the ASCO Conflict of Interest Policy Implementation for Clinical Practice Guidelines. Living Guidelines and updates are not intended to substitute for independent professional judgment of the treating provider and do not account for individual variation among patients. See Appendix 1 (online only) for disclaimers and other important information. Updates are published regularly and can be found at https://ascopubs.org/nsclc-da-living-guideline.
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Swanson LA, Kassab I, Tsung I, Schneider BJ, Fontana RJ. Liver injury during durvalumab-based immunotherapy is associated with poorer patient survival: A retrospective analysis. Front Oncol 2022; 12:984940. [PMID: 36353563 PMCID: PMC9637844 DOI: 10.3389/fonc.2022.984940] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 09/21/2022] [Indexed: 09/19/2023] Open
Abstract
Background Durvalumab is approved for the treatment of lung cancer, advanced biliary tract cancers, and is also being evaluated in many other solid organ tumors. The aim of our study is to define the incidence, etiology, and outcomes of liver injury in consecutive patients receiving durvalumab-based immunotherapy. Patients and methods Durvalumab treated patients between 1/2016 - 7/2020 were identified from the electronic medical record. Liver injury was defined as serum AST or ALT ≥ 5x upper limit of normal (ULN), ALP ≥ 2x ULN, bilirubin ≥ 2.5 mg/dl, or INR ≥ 1.5. Potential drug induced liver injury (DILI) cases were adjudicated using expert opinion scoring and confirmed with Roussel Uclaf Causality Assessment Method (RUCAM). Results Amongst 112 patients, 58 (52%) had non-small cell lung cancer, the median age was 65 years, and 60% were male. The 21 (19%) liver injury patients were significantly more likely to harbor hepatic metastases (52% vs 17%, p=<0.001), experience tumor progression (67% vs 32%, p=0.01) or die (48% vs 11%, p<0.001) during follow-up compared to the 91 without liver injury. Using multivariate regression analysis, the development of liver injury during treatment as well as baseline hepatic metastases were independently associated with mortality during follow-up. Six of the 21 (29%) liver injury cases were adjudicated as probable DILI with four attributed to durvalumab and two due to other drugs (paclitaxel, pembrolizumab). Durvalumab was permanently discontinued in two DILI patients, three received corticosteroids, and one was successfully rechallenged. Only one patient with DILI developed jaundice, and none required hospitalization. Liver biochemistries normalized in all 6 DILI cases, while they only normalized in 27% of the 15 non-DILI cases (p=0.002). The 6 DILI patients also had a trend towards improved survival compared to those with other causes of liver injury. Conclusion Liver injury was observed in 19% of durvalumab-treated patients and is associated with a greater likelihood of tumor progression and death during follow-up. The four durvalumab DILI cases were mild and self-limited, highlighting the importance of causality assessment to determine the cause of liver injury in oncology patients receiving immunotherapy.
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Singh N, Temin S, Baker S, Blanchard E, Brahmer JR, Celano P, Duma N, Ellis PM, Elkins IB, Haddad RY, Hesketh PJ, Jain D, Johnson DH, Leighl NB, Mamdani H, Masters G, Moffitt PR, Phillips T, Riely GJ, Robinson AG, Rosell R, Schiller JH, Schneider BJ, Spigel DR, Jaiyesimi IA. Therapy for Stage IV Non-Small-Cell Lung Cancer With Driver Alterations: ASCO Living Guideline. J Clin Oncol 2022; 40:3310-3322. [PMID: 35816666 DOI: 10.1200/jco.22.00824] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
PURPOSE To provide evidence-based recommendations updating the 2021 ASCO and Ontario Health (Cancer Care Ontario) guideline on systemic therapy for patients with stage IV non-small-cell lung cancer (NSCLC) with driver alterations. METHODS ASCO updated recommendations on the basis of an ongoing systematic review of randomized control trials from 2020 to 2021. RESULTS This guideline update reflects changes in evidence since the previous update. Two studies provide the evidence base. Outcomes of interest include efficacy and safety. RECOMMENDATIONS For patients with an anaplastic lymphoma kinase rearrangement, a performance status (PS) of 0-2, and previously untreated NSCLC, clinicians should offer alectinib or brigatinib or lorlatinib. For patients with an anaplastic lymphoma kinase rearrangement, a PS of 0-2, and previously untreated NSCLC, if alectinib, brigatinib, or lorlatinib are not available, clinicians should offer ceritinib or crizotinib. For patients with a RET rearrangement, a PS of 0-2, and previously untreated NSCLC, clinicians may offer selpercatinib or pralsetinib. In second line, for patients with a RET rearrangement who have not received RET-targeted therapy, clinicians may offer selpercatinib or pralsetinib.Additional information is available at www.asco.org/thoracic-cancer-guidelines.
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Singh N, Temin S, Baker S, Blanchard E, Brahmer JR, Celano P, Duma N, Ellis PM, Elkins IB, Haddad RY, Hesketh PJ, Jain D, Johnson DH, Leighl NB, Mamdani H, Masters G, Moffitt PR, Phillips T, Riely GJ, Robinson AG, Rosell R, Schiller JH, Schneider BJ, Spigel DR, Jaiyesimi IA. Therapy for Stage IV Non-Small-Cell Lung Cancer Without Driver Alterations: ASCO Living Guideline. J Clin Oncol 2022; 40:3323-3343. [PMID: 35816666 DOI: 10.1200/jco.22.00825] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
PURPOSE To provide evidence-based recommendations updating the 2020 ASCO and Ontario Health (Cancer Care Ontario) guideline on systemic therapy for patients with stage IV non-small-cell lung cancer without driver alterations. METHODS ASCO updated recommendations on the basis of an ongoing systematic review of randomized clinical trials from 2018 to 2021. RESULTS This guideline update reflects changes in evidence since the previous update. Five randomized clinical trials provide the evidence base. Outcomes of interest include efficacy and safety. RECOMMENDATIONS In addition to 2020 options for patients with high programmed death ligand-1 (PD-L1) expression (tumor proportion score [TPS] ≥ 50%), nonsquamous cell carcinoma (non-SCC), and performance status (PS) 0-1, clinicians may offer single-agent atezolizumab. With high PD-L1 expression (TPS ≥ 50%), non-SCC, and PS 0-1, clinicians may offer nivolumab and ipilumumab alone or nivolumab and ipilimumab plus chemotherapy. With negative (0%) and low positive PD-L1 expression (TPS 1%-49%), non-SCC, and PS 0-1, clinicians may offer nivolumab and ipilimumab alone or nivolumab and ipilimumab plus chemotherapy. With high PD-L1 expression, SCC, and PS 0-1, clinicians may offer single-agent atezolizumab. With high PD-L1 expression, squamous cell carcinoma (SCC), and PS 0-1, clinicians may offer nivolumab and ipilimumab alone or in combination with two cycles of platinum-based chemotherapy. With negative and low positive PD-L1 expression, SCC, and PS 0-1, clinicians may offer nivolumab and ipilimumab alone or in combination with two cycles of platinum-based chemotherapy. With non-SCC who received an immune checkpoint inhibitor and chemotherapy as first-line therapy, clinicians may offer second-line paclitaxel plus bevacizumab. With non-SCC, who received chemotherapy with or without bevacizumab and immune checkpoint inhibitor therapy, clinicians should offer the options of third-line single-agent pemetrexed, docetaxel, or paclitaxel plus bevacizumab.Additional information is available at www.asco.org/thoracic-cancer-guidelines.
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Qin A, Lima F, Bell S, Kalemkerian GP, Schneider BJ, Ramnath N, Lew M, Krishnan S, Mohammed S, Rao A, Frankel TL. Cellular engagement and interaction in the tumor microenvironment predict non-response to PD-1/PD-L1 inhibitors in metastatic non-small cell lung cancer. Sci Rep 2022; 12:9054. [PMID: 35641540 PMCID: PMC9156701 DOI: 10.1038/s41598-022-13236-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/17/2022] [Indexed: 11/09/2022] Open
Abstract
Immune checkpoint inhibitors (ICI) with anti-PD-1/PD-L1 agents have improved the survival of patients with metastatic non-small cell lung cancer (mNSCLC). Tumor PD-L1 expression is an imperfect biomarker as it does not capture the complex interactions between constituents of the tumor microenvironment (TME). Using multiplex fluorescent immunohistochemistry (mfIHC), we modeled the TME to study the influence of cellular distribution and engagement on response to ICI in mNSCLC. We performed mfIHC on pretreatment tissue from patients with mNSCLC who received ICI. We used primary antibodies against CD3, CD8, CD163, PD-L1, pancytokeratin, and FOXP3; simple and complex phenotyping as well as spatial analyses was performed. We analyzed 68 distinct samples from 52 patients with mNSCLC. Patients were 39–79 years old (median 67); 44% were male and 75% had adenocarcinoma histology. The most used ICI was atezolizumab (48%). The percentage of PD-L1 positive epithelial tumor cells (EC), degree of cytotoxic T lymphocyte (CTL) engagement with EC, and degree of CTL engagement with helper T lymphocytes (HTL) were significantly lower in non-responders versus responders (p = 0.0163, p = 0.0026 and p = 0.0006, respectively). The combination of these 3 characteristics generated the best sensitivity and specificity to predict non-response to ICI and was also associated with shortened overall survival (p = 0.0271). The combination of low CTL engagement with EC and HTL along with low expression of EC PD-L1 represents a state of impaired endogenous immune reactivity. Together, they more precisely identified non-responders to ICI compared to PD-L1 alone and illustrate the importance of cellular interactions in the TME.
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Schneider BJ, Chang AC. ASO Perspectives: Adjuvant Nivolumab in Resected Esophageal or Gastroesophageal Junction Cancer: Never Stop Questioning. Ann Surg Oncol 2022; 29:2735-2738. [PMID: 35182309 DOI: 10.1245/s10434-021-11276-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 12/14/2021] [Indexed: 11/18/2022]
Abstract
This ASO perspective reviews the findings of a randomized placebo-controlled, clinical trial evaluating adjuvant nivolumab in esophageal or gastroesophageal junction carcinoma, reported recently by the Checkmate 577 investigators. The use of postoperative immunotherapy represents a significant paradigm shift for managing patients who have had limited evidence-based treatment options after completing neoadjuvant chemoradiation followed by resection for these aggressive malignancies.
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Fecher LA, Bishu S, Fontana RJ, Hayek SS, Schneider BJ. The Role of Tissue Biopsy in the Management of Immune Checkpoint Inhibitor Toxicity. J Natl Compr Canc Netw 2022; 20:417-425. [PMID: 35390763 DOI: 10.6004/jnccn.2022.7011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/23/2022] [Indexed: 11/17/2022]
Abstract
Immune checkpoint inhibitors have revolutionized the treatment of cancer and are now omnipresent. However, immune-related adverse events can present with varying phenotypes and timing, which can pose diagnostic and therapeutic challenges for the treating oncologist as well as subspecialty consultants. Biopsies of affected organs may provide insight into biologic mechanisms as well as potentially guide management in certain circumstances.
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Thompson JA, Schneider BJ, Brahmer J, Achufusi A, Armand P, Berkenstock MK, Bhatia S, Budde LE, Chokshi S, Davies M, Elshoury A, Gesthalter Y, Hegde A, Jain M, Kaffenberger BH, Lechner MG, Li T, Marr A, McGettigan S, McPherson J, Medina T, Mohindra NA, Olszanski AJ, Oluwole O, Patel SP, Patil P, Reddy S, Ryder M, Santomasso B, Shofer S, Sosman JA, Wang Y, Zaha VG, Lyons M, Dwyer M, Hang L. Management of Immunotherapy-Related Toxicities, Version 1.2022, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw 2022; 20:387-405. [PMID: 35390769 DOI: 10.6004/jnccn.2022.0020] [Citation(s) in RCA: 161] [Impact Index Per Article: 80.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of the NCCN Guidelines for Management of Immunotherapy-Related Toxicities is to provide guidance on the management of immune-related adverse events resulting from cancer immunotherapy. The NCCN Management of Immunotherapy-Related Toxicities Panel is an interdisciplinary group of representatives from NCCN Member Institutions, consisting of medical and hematologic oncologists with expertise across a wide range of disease sites, and experts from the areas of dermatology, gastroenterology, endocrinology, neurooncology, nephrology, cardio-oncology, ophthalmology, pulmonary medicine, and oncology nursing. The content featured in this issue is an excerpt of the recommendations for managing toxicities related to CAR T-cell therapies and a review of existing evidence. For the full version of the NCCN Guidelines, including recommendations for managing toxicities related to immune checkpoint inhibitors, visit NCCN.org.
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Schneider BJ, Lacchetti C, Bollin K. Management of the Top 10 Most Common Immune-Related Adverse Events in Patients Treated With Immune Checkpoint Inhibitor Therapy. JCO Oncol Pract 2022; 18:431-444. [DOI: 10.1200/op.21.00776] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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Schneider BJ, Naidoo J, Santomasso BD, Lacchetti C, Adkins S, Anadkat M, Atkins MB, Brassil KJ, Caterino JM, Chau I, Davies MJ, Ernstoff MS, Fecher L, Ghosh M, Jaiyesimi I, Mammen JS, Naing A, Nastoupil LJ, Phillips T, Porter LD, Reichner CA, Seigel C, Song JM, Spira A, Suarez-Almazor M, Swami U, Thompson JA, Vikas P, Wang Y, Weber JS, Funchain P, Bollin K. Management of Immune-Related Adverse Events in Patients Treated With Immune Checkpoint Inhibitor Therapy: ASCO Guideline Update. J Clin Oncol 2021; 39:4073-4126. [PMID: 34724392 DOI: 10.1200/jco.21.01440] [Citation(s) in RCA: 673] [Impact Index Per Article: 224.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
PURPOSE To increase awareness, outline strategies, and offer guidance on the recommended management of immune-related adverse events (irAEs) in patients treated with immune checkpoint inhibitor (ICPi) therapy. METHODS A multidisciplinary panel of medical oncology, dermatology, gastroenterology, rheumatology, pulmonology, endocrinology, neurology, hematology, emergency medicine, nursing, trialists, and advocacy experts was convened to update the guideline. Guideline development involved a systematic literature review and an informal consensus process. The systematic review focused on evidence published from 2017 through 2021. RESULTS A total of 175 studies met the eligibility criteria of the systematic review and were pertinent to the development of the recommendations. Because of the paucity of high-quality evidence, recommendations are based on expert consensus. RECOMMENDATIONS Recommendations for specific organ system-based toxicity diagnosis and management are presented. While management varies according to the organ system affected, in general, ICPi therapy should be continued with close monitoring for grade 1 toxicities, except for some neurologic, hematologic, and cardiac toxicities. ICPi therapy may be suspended for most grade 2 toxicities, with consideration of resuming when symptoms revert ≤ grade 1. Corticosteroids may be administered. Grade 3 toxicities generally warrant suspension of ICPis and the initiation of high-dose corticosteroids. Corticosteroids should be tapered over the course of at least 4-6 weeks. Some refractory cases may require other immunosuppressive therapy. In general, permanent discontinuation of ICPis is recommended with grade 4 toxicities, except for endocrinopathies that have been controlled by hormone replacement. Additional information is available at www.asco.org/supportive-care-guidelines.
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Santomasso BD, Nastoupil LJ, Adkins S, Lacchetti C, Schneider BJ, Anadkat M, Atkins MB, Brassil KJ, Caterino JM, Chau I, Davies MJ, Ernstoff MS, Fecher L, Funchain P, Jaiyesimi I, Mammen JS, Naidoo J, Naing A, Phillips T, Porter LD, Reichner CA, Seigel C, Song JM, Spira A, Suarez-Almazor M, Swami U, Thompson JA, Vikas P, Wang Y, Weber JS, Bollin K, Ghosh M. Management of Immune-Related Adverse Events in Patients Treated With Chimeric Antigen Receptor T-Cell Therapy: ASCO Guideline. J Clin Oncol 2021; 39:3978-3992. [PMID: 34724386 DOI: 10.1200/jco.21.01992] [Citation(s) in RCA: 136] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To increase awareness, outline strategies, and offer guidance on the recommended management of immune-related adverse events (irAEs) in patients treated with chimeric antigen receptor (CAR) T-cell therapy. METHODS A multidisciplinary panel of medical oncology, neurology, hematology, emergency medicine, nursing, trialists, and advocacy experts was convened to develop the guideline. Guideline development involved a systematic literature review and an informal consensus process. The systematic review focused on evidence published from 2017 to 2021. RESULTS The systematic review identified 35 eligible publications. Because of the paucity of high-quality evidence, recommendations are based on expert consensus. RECOMMENDATIONS The multidisciplinary team issued recommendations to aid in the recognition, workup, evaluation, and management of the most common CAR T-cell-related toxicities, including cytokine release syndrome, immune effector cell-associated neurotoxicity syndrome, B-cell aplasia, cytopenias, and infections. Management of short-term toxicities associated with CAR T cells begins with supportive care for most patients, but may require pharmacologic interventions for those without adequate response. Management of patients with prolonged or severe CAR T-cell-associated cytokine release syndrome includes treatment with tocilizumab with or without a corticosteroid. On the basis of the potential for rapid decline, patients with moderate to severe immune effector cell-associated neurotoxicity syndrome should be managed with corticosteroids and supportive care.Additional information is available at www.asco.org/supportive-care-guidelines.
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Thompson JA, Schneider BJ, Brahmer J, Andrews S, Armand P, Bhatia S, Budde LE, Costa L, Davies M, Dunnington D, Ernstoff MS, Frigault M, Kaffenberger BH, Lunning M, McGettigan S, McPherson J, Mohindra NA, Naidoo J, Olszanski AJ, Oluwole O, Patel SP, Pennell N, Reddy S, Ryder M, Santomasso B, Shofer S, Sosman JA, Wang Y, Weight RM, Johnson-Chilla A, Zuccarino-Catania G, Engh A. NCCN Guidelines Insights: Management of Immunotherapy-Related Toxicities, Version 1.2020. J Natl Compr Canc Netw 2021; 18:230-241. [PMID: 32135517 DOI: 10.6004/jnccn.2020.0012] [Citation(s) in RCA: 266] [Impact Index Per Article: 88.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The NCCN Guidelines for Management of Immunotherapy-Related Toxicities provide interdisciplinary guidance on the management of immune-related adverse events (irAEs) resulting from cancer immunotherapy. These NCCN Guidelines Insights describe symptoms that may be caused by an irAE and should trigger further investigation, and summarize the NCCN Management of Immunotherapy-Related Toxicities Panel discussions for the 2020 update to the guidelines regarding immune checkpoint inhibitor-related diarrhea/colitis and cardiovascular irAEs.
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Shah MA, Almhanna K, Iqbal S, Thakkar P, Schneider BJ, Yantiss R, Wu Y, Futamura E, Port JL, Spinelli C, Sarkar S, Christos PJ, Brar G, Betel D, Sanfilippo NJ, Altorki NK. Multicenter, randomized phase II study of neoadjuvant pembrolizumab plus chemotherapy and chemoradiotherapy in esophageal adenocarcinoma (EAC). J Clin Oncol 2021. [DOI: 10.1200/jco.2021.39.15_suppl.4005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
4005 Background: Recent transformative studies in the treatment of EAC support adjuvant nivolumab for patients with residual disease following neoadjuvant chemoradiotherapy (CRT) (Checkmate 577) and pembrolizumab (P) with chemotherapy in untreated metastatic disease (Keynote 590). We hypothesized that pre-operative P combined with CRT can further improve outcomes in patients with locally advanced EAC. Methods: Patients with cT3-4Nx or T2N1 M0 EAC or gastroesophageal junction (GEJ) adenocarcinoma eligible for curative surgery were randomized (1:1) to receive either full-dose paclitaxel (T)/ carboplatin (C) or T/C + P induction therapy. All patients then received CRT with weekly T/C, RT 41.4Gy in 23 fractions, and P every 3 weeks. Following resection, patients received P for one year. The primary endpoint is rate of major pathologic response (MPR), defined as pathologic complete response or near complete response ( < 10% residual cancer), with 80% power and 0.1 one-sided significance level to detect the difference between a MPR proportion of 30% (historical control) and an alternative hypothesis of 47% (with preoperative P). Tissue was collected for tumor immune microenvironment (TIME) analysis including bulk and single cell RNA(scRNA) expression analysis, DNA sequencing, and flow cytometry. Results: From 8/4/17 to 10/26/20, 40 patients were enrolled: median age 68 [38-81], male 32, esophagus/GEJ type I (n = 16), GEJ II/III (n = 24). CRT was well tolerated, with no grade 3-4 adverse events attributed to P. Notable toxicity included grade 3-4 pneumonitis (13%), anastomotic leak (13%), infection (35%). In 31 evaluable patients to date, the MPR rate was 50.0% (95% CI, 32.7%-67.3%). 1-yr disease free survival was 100% for patients with MPR vs. 31.8% without MPR, p = 0.002. Esophageal/GEJ type I cancers had a significantly higher MPR rate when compared with GEJ type II/III (76.9% vs 37.5%, p = 0.03). scRNA seq on > 100,000 tumor cells revealed EAC/GEJ type I had higher infiltration of activated dendritic cells (p = 0.12), whereas GEJ tumors have significantly higher infiltration of activated B cells (p = 0.02). Conclusions: The addition of P to preoperative CRT for EAC is safe and associated with a significantly higher MPR rate compared to historical data. We found MPR to be significantly enriched in EAC/GEJ type I tumors compared with GEJ II/III, associated with important differences in the baseline tumor immune microenvironment. Clinical trial information: NCT02998268.
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Qin A, Zhao S, Miah A, Wei L, Patel S, Johns A, Grogan M, Bertino EM, He K, Shields PG, Kalemkerian GP, Gadgeel SM, Ramnath N, Schneider BJ, Hassan KA, Szerlip N, Chopra Z, Journey S, Waninger J, Spakowicz D, Carbone DP, Presley CJ, Otterson GA, Green MD, Owen DH. Bone Metastases, Skeletal-Related Events, and Survival in Patients With Metastatic Non-Small Cell Lung Cancer Treated With Immune Checkpoint Inhibitors. J Natl Compr Canc Netw 2021; 19:915-921. [PMID: 33878726 DOI: 10.6004/jnccn.2020.7668] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 10/07/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND Bone metastases and skeletal-related events (SREs) are a frequent cause of morbidity in patients with metastatic non-small cell lung cancer (mNSCLC). Data are limited on bone metastases and SREs in patients with mNSCLC treated using immune checkpoint inhibitors (ICIs), and on the efficacy of bone-modifying agents (BMAs) in this setting. Here we report the incidence, impact on survival, risk factors for bone metastases and SREs, and impact of BMAs in patients with mNSCLC treated with ICIs in a multi-institutional cohort. PATIENTS AND METHODS We conducted a retrospective study of patients with mNSCLC treated with ICIs at 2 tertiary care centers from 2014 through 2017. Overall survival (OS) was compared between patients with and without baseline bone metastases using a log-rank test. A Cox regression model was used to evaluate the association between OS and the presence of bone metastases at ICI initiation, controlling for other confounding factors. RESULTS We identified a cohort of 330 patients who had received ICIs for metastatic disease. Median patient age was 63 years, most patients were treated in the second line or beyond (n=259; 78%), and nivolumab was the most common ICI (n=211; 64%). Median OS was 10 months (95% CI, 8.4-12.0). In our cohort, 124 patients (38%) had baseline bone metastases, and 43 (13%) developed SREs during or after ICI treatment. Patients with bone metastases had a higher hazard of death after controlling for performance status, histology, line of therapy, and disease burden (hazard ratio, 1.57; 95% CI, 1.19-2.08; P=.001). Use of BMAs was not associated with OS or a decreased risk of SREs. CONCLUSIONS Presence of bone metastases at baseline was associated with a worse prognosis for patients with mNSCLC treated with ICI after controlling for multiple clinical characteristics. Use of BMAs was not associated with reduced SREs or a difference in survival.
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Daly ME, Ismaila N, Decker RH, Higgins K, Owen D, Saxena A, Franklin GE, Donaldson D, Schneider BJ. Radiation Therapy for Small-Cell Lung Cancer: ASCO Guideline Endorsement of an ASTRO Guideline. J Clin Oncol 2021; 39:931-939. [DOI: 10.1200/jco.20.03364] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
PURPOSE The American Society for Radiation Oncology (ASTRO) produced an evidence-based guideline on radiation therapy (RT) for small-cell lung cancer (SCLC). Because of the relevance of this topic to ASCO membership, ASCO reviewed the guideline, applying a set of procedures and policies used to critically examine guidelines developed by other organizations. METHODS The ASTRO guideline on RT for SCLC was reviewed for developmental rigor by methodologists. Then, an ASCO Expert Panel reviewed the content and the recommendations. RESULTS The ASCO Expert Panel determined that the recommendations from ASTRO guideline on RT for SCLC, published in June 2020, are clear, thorough, and based upon the most relevant scientific evidence. ASCO endorsed ASTRO guideline on RT for SCLC with a few discussion points. RECOMMENDATIONS Recommendations addressed thoracic radiotherapy for limited-stage SCLC, role of stereotactic body radiotherapy in stage I or II node-negative SCLC, prophylactic cranial radiotherapy, and thoracic consolidation for extensive-stage SCLC. Additional information is available at www.asco.org/thoracic-cancer-guidelines .
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