scholarly journals FRI0494 RHEUMATIC IMMUNE RELATED ADVERSE EVENTS OF CHECKPOINT INHIBITORS: A RETROSPECTIVE REVIEW OF 70 PATIENTS

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 845.2-846
Author(s):  
T. Lenfant ◽  
L. Calabrese ◽  
C. Calabrese
Keyword(s):  
Adverse Events ◽  
Prospective Studies ◽  
Immune Checkpoint ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Clinical Aspects ◽  
Link Type ◽  
Conventional Dmards

Background:Immune Checkpoint inhibitors (ICI) have revolutionized cancer therapy by achieving remarkable survival benefits however, at the cost of a myriad of immune-related adverse events (irAEs)[1]. Rheumatic irAE can develop in 5-10% of patients although the true incidence is unknown given the lack of prospective studies [2]. Symptoms are heterogenous and probably underreported with few data available about their management and outcome [3].Objectives:To describe the clinical, biological, and radiological features of the largest cohort of rheumatic irAEs from ICI along with their therapeutic management, outcome and follow-up in real-world practice.Methods:A referral process for emergent rheumatic irAEs was initiated in February 2016 between the oncology and rheumatology departments at the Cleveland Clinic Foundation. All patients were evaluated by authors CC and/or LHC. Patients’ characteristics were retrospectively collected from medical charts after IRB approval.Results:70 patients referred for one or more rheumatic irAEs between February 2016 and January 2020 were included. 66% were male, median age was 60.8 years. Among them, 24 (34%) had pre-existing rheumatic complaints. Melanoma was the most frequent malignancy (56%). ICI therapy included anti-CTLA4 (40%), anti-PD1/L1 (79%), and dual therapy ipilimumab/nivolumab (41%). Rheumatic irAE occurred in a median 4 months after ICI initiation, with phenotypes including inflammatory arthritis (32 patients), sicca-like symptoms (12), polymyalgia rheumatica-like (7), and myositis (2). Oral, intravenous or intraarticular glucocorticoids (GC) were administered to 54 patients (77%). Of these 54 patients, 22 (41%) required long term GC, 19 had bone density scan and 15 received pneumocystis (PJP) prophylaxis. One PJP case, 1 osteoporotic fracture and 2 avascular necrosis cases were reported. 16 patients received conventional DMARDS (23%) and 9 received biologics (13%). ICI therapy was held for rheumatic irAE in 31% of cases and for another systemic irAE in 29%. Median follow-up was 13.6 months, at end of follow-up 51 patients were still on treatment for rheumatic irAE and 41% of them were still symptomatic despite ongoing treatment.Conclusion:Rheumatic irAEs are heterogeneous and often chronic requiring prolonged immunomodulatory therapy. Prospective studies are required to define optimal management of rheumatic irAEs that maintain long-term oncologic outcomes.References:[1]Suarez-Almazor ME, Kim ST, Abdel-Wahab N, Diab A. Review: Immune-Related Adverse Events With Use of Checkpoint Inhibitors for Immunotherapy of Cancer. Arthritis Rheumatol 2017;69:687–99.https://doi.org/10.1002/art.40043.[2]Abdel-Wahab N, Suarez-Almazor ME. Frequency and distribution of various rheumatic disorders associated with checkpoint inhibitor therapy. Rheumatol (United Kingdom) 2019;58:vii40–8.https://doi.org/10.1093/rheumatology/kez297.[3]Kostine M, Rouxel L, Barnetche T, Veillon R, Martin F, Dutriaux C, et al. Rheumatic disorders associated with immune checkpoint inhibitors in patients with cancer-clinical aspects and relationship with tumour response: a single-centre prospective cohort study. Ann Rheum Dis 2018;77:393–8.https://doi.org/10.1136/annrheumdis-2017-212257.Disclosure of Interests:Tiphaine Lenfant: None declared, Leonard Calabrese Consultant of: AbbVie, GSK, Bristol-Myers Squibb, Genentech, Janssen, Novartis, Sanofi, Horizon, Crescendo, and Gilead, Speakers bureau: Sanofi, Horizon, Crescendo, Novartis, Genentech, Janssen, and AbbVie, cassandra calabrese Consultant of: AbbvieGSK, Speakers bureau: Sanofi-Genzyme

scholarly journals SAT0540 ONE-YEAR OUTCOMES AFTER RHEUMATIC IMMUNE-RELATED ADVERSE EVENTS FROM CHECKPOINT INHIBITORS

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1227.2-1227
Author(s):  
E. Berard ◽  
T. Barnetche ◽  
L. Rouxel ◽  
C. Dutriaux ◽  
L. Dousset ◽  
...  
Keyword(s):  
Adverse Events ◽  
Immune Checkpoint ◽  
Checkpoint Inhibitors ◽  
Progression Free Survival ◽  
Symptomatic Treatment ◽  
Musculoskeletal Symptoms ◽  
Day Range ◽  
One Year

Background:Description and initial management of rheumatic immune-related adverse-events (irAEs) from cancer immunotherapies have been reported by several groups but to date, few studies have evaluated the long-term outcomes and management of rheumatic irAEs (1).Objectives:To describe the long-term management and assess the one-year outcomes of patients who experienced rheumatic immune-related adverse events (irAEs) due to immune checkpoint inhibitors (ICI).Methods:This was a single-centre prospective observational study including patients referred for musculoskeletal symptoms while treated with ICI. After baseline rheumatological evaluation defining the clinical entity presented, follow-up visits were organised according to the type and severity of irAE. At one year, persistence of irAE, ongoing treatment, as well as cancer outcomes were assessed.Results:63 patients were included between September 2015 and June 2018. 24 patients (38%) presented with non-inflammatory musculoskeletal conditions managed with short-term symptomatic treatment and did not require specific follow-up. 39 patients (62%) experienced inflammatory manifestations, mimicking either rheumatoid arthritis (RA, n=19), polymyalgia rheumatica (PMR, n=16), psoriatic arthritis (PsA, n=3) and one flare of a preexisting axial spondyloarthritis. Overall, 32 patients (82%) received systemic glucocorticoids, with a median rheumatic dosage of 15mg/day (range: 5-60mg/day). None of the patients had to permanently discontinue ICI therapy for rheumatic irAE. 20 patients (67%) were still receiving glucocorticoids at one year, with a median dosage of 5mg/day (range: 2-20mg/day). Glucocorticoids were more frequently discontinued for patients with RA-like condition (44%) than PMR-like condition (23%), but no other predictive factor of glucocorticoids withdrawal could be identified. At one year, overall survival and progression-free survival were comparable between patients who were still receiving glucocorticoids for rheumatic irAE and patients who have discontinued. Eight patients required csDMARDs.Conclusion:At one year, a majority of patients required long-term low-dose glucocorticoids for chronic rheumatic irAE, which seems not altering oncological control.References:[1]Braaten TJ, Brahmer JR, Forde PM, et al. Immune checkpoint inhibitor-induced inflammatory arthritis persists after immunotherapy cessation. Ann Rheum Dis. 2019 Sep 20.Disclosure of Interests:None declared

scholarly journals 540 Baseline mTOR transcriptional signatures in CD8 T cells are associated with immune-related adverse events but not anti-tumor responses in patients receiving immune checkpoint inhibitors

2021 ◽  
Vol 9 (Suppl 3) ◽  
pp. A570-A570
Author(s):  
Chen Zhao ◽  
Matthew Mule ◽  
Andrew Martins ◽  
Iago Pinal Fernandez ◽  
Renee Donahue ◽  
...  
Keyword(s):  
T Cells ◽  
Adverse Events ◽  
Tumor Immunity ◽  
Cd8 T Cells ◽  
Immune Checkpoint ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Effector Memory ◽  
Link Type ◽  
Anti Tumor Activity

BackgroundImmune checkpoint inhibitors (ICIs) have changed the cancer treatment landscape, but immune-related adverse events (irAEs) can affect a wide range of tissues in patients receiving ICIs. Severe irAEs can be life-threatening or fatal and prohibit patients from receiving further ICI treatment. While the clinical features of irAEs are well documented, the pathological mechanisms and predictive biomarkers are largely unknown. In addition, there is a critical need to preserve ICI-induced anti-tumor immunity while controlling for irAEs, which requires deciphering molecular and cellular signatures associated specifically with irAEs beyond those more generally linked to anti-tumor immunity.MethodsTo unbiasedly identify immune cells and states associated with irAEs, we applied CITE-seq to measure transcripts and surface proteins (83 protein markers) from PBMCs collected from patients with thymic epithelial tumors before and after treatment with an anti-PD-L1 antibody (avelumab, NCT01772004, NCT03076554).ResultsSamples from 9 patients were analyzed. No patient had a history of pre-existing paraneoplastic autoimmune disease. Anti-tumor activity was observed in all cases, and 5 patients had clinical and/or biochemical evidence of immune-related muscle inflammation (myositis with or without myocarditis). Multilevel models applied within highly resolved cell clusters revealed transcriptional states associated with ICI response and more uniquely with irAEs. A total of 190,000 cells were included in the analysis after quality control. Most notably, CD45RA+ effector memory CD8 T cells with an mTOR transcriptional signature were highly enriched at baseline and post treatment in patients with irAEs.ConclusionsOur findings suggest the potential therapeutic avenues by using mTOR inhibitors to dampen autoimmune responses while potentially sparing anti-tumor activity, to prevent treatment discontinuation and improve clinical outcomes for cancer patients treated with ICIs.AcknowledgementsThis research was supported in part by the Intramural Research Program of the NCI (the Center for Cancer Research), NIAID and NIAMS, and through a Cooperative Research and Development Agreement between the National Cancer Institute and EMD Serono.Trial RegistrationNCT01772004, NCT03076554Ethics ApprovalThis study is approved by NCI institutional review board.

Abstract 14600: Pre-existing Autoimmune Disease and the Risk for Cardiovascular and Non-cardiovascular Immune Mediated Adverse Events With Immune Checkpoint Inhibitors

Circulation ◽  
2020 ◽  
Vol 142 (Suppl_3) ◽  
Author(s):  
Charlotte Lee ◽  
Zsofia D Drobni ◽  
Amna Zafar ◽  
Raza M Alvi ◽  
Sean P Murphy ◽  
...  
Keyword(s):  
Coronary Artery ◽  
Autoimmune Disease ◽  
Adverse Events ◽  
Immune Checkpoint ◽  
Cardiovascular Events ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Skin Toxicity ◽  
Significant Difference

Introduction: The use of immune checkpoint inhibitors (ICIs) is associated with an increase in cardiovascular events. The mechanism is likely related to immune activation and inflammation. Patients with pre-existing autoimmune disease have a baseline increased risk for cardiovascular disease and have been traditionally excluded from clinical trials of ICIs. There is limited data on the cardiovascular and non-cardiovascular safety of ICIs in these patients. Methods: This was a retrospective study of 2845 patients treated with an ICI at the Massachusetts General Hospital. This cohort was screened by individual chart review for patients with a diagnosis of an autoimmune disease prior to ICI therapy. These autoimmune patients were compared to controls at a 1:2 ratio. Baseline characteristics and risk of cardiovascular and non-cardiovascular immune related adverse events (iRAEs) were compared. Cardiovascular events were a composite of myocardial infarction (MI), percutaneous coronary intervention (PCI), coronary artery bypass graft (CABG), stroke, transient ischemic attack (TIA), deep venous thrombosis (DVT), pulmonary embolism (PE), or myocarditis. Results: 93 patients had a diagnosis of an autoimmune disease prior to ICI. These patients were more likely to be older and to have a history of coronary artery disease, heart failure, chronic kidney disease, hypertension and diabetes mellitus. There were 12 events over a median follow-up period of 300 days. There was no significant difference in composite of cardiovascular events in follow-up (13 vs. 9.1%, autoimmune vs. none, P =0.41). The individual cardiovascular event rates were as follows: MI (4.3 vs. 0.5%, P =0.04), PCI (0 vs. 0.5%, P =1), CABG (0. vs. 0.5%, P =1), stroke (0 vs. 0%), TIA (0 vs. 0.5%, P =1), DVT (5.4 vs. 2.2%, P =0.17), PE (1.1 vs. 4.8%, P =0.17), and myocarditis (2.2 vs. 1.1%, P =0.60). There was an increased rate of pneumonitis (14 vs. 4%, P <0.001) and skin toxicity (16 vs. 0%, P <0.001). Conclusions: Patients with pre-existing autoimmune disease treated with an ICI had a higher baseline cardiovascular risk but did not have a significant increase in cardiovascular events in an unadjusted analysis. These patients did, however, have an increased rate of pneumonitis and skin toxicity after ICI.

Association between immune-related adverse events and long-term survival outcomes in patients treated with immune checkpoint inhibitors

2020 ◽  
Vol 132 ◽  
pp. 61-70 ◽  
Author(s):  
Denis Maillet ◽  
Pauline Corbaux ◽  
Jean-Jacques Stelmes ◽  
Stéphane Dalle ◽  
Myriam Locatelli-Sanchez ◽  
...  
Keyword(s):  
Adverse Events ◽  
Immune Checkpoint ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Survival Outcomes ◽  
Term Survival ◽  
Long Term Survival

scholarly journals Correlation between immune-related adverse events and prognosis in patients with gastric cancer treated with nivolumab

BMC Cancer ◽  
2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Ken Masuda ◽  
Hirokazu Shoji ◽  
Kengo Nagashima ◽  
Shun Yamamoto ◽  
Masashi Ishikawa ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Adverse Events ◽  
Immune Checkpoint ◽  
Clinical Benefit ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Progression Free Survival ◽  
Motor Neuropathy ◽  
Metastatic Sites

Abstract Background Recent studies have shown that immune-related adverse events (irAEs) caused by immune checkpoint inhibitors were associated with clinical benefit in patients with melanoma or lung cancer. In advanced gastric cancer (AGC) patients, there have been few reports about the correlation between irAEs and efficacy of immune checkpoint inhibitors. In this study, we retrospectively investigated the correlation between irAEs and efficacy in AGC patients treated with nivolumab. Methods The subjects of this study were AGC patients received nivolumab monotherapy between January 2015 and August 2018. IrAEs were defined as those AEs having a potential immunological basis that required close follow-up, or immunosuppressive therapy and/or endocrine therapy. We divided the patients who received nivolumab into two groups based on occurrence of irAEs; those with irAEs (irAE group) or those without (non-irAE group). We assessed the efficacy in both groups. Results Of the 65 AGC patients that received nivolumab monotherapy, 14 developed irAEs. The median time to onset of irAEs was 30.5 days (range 3–407 days). Median follow-up period for survivors was 32 months (95% CI, 10.8 to 34.5). The median progression-free survival was 7.5 months (95% CI, 3.6 to 11.5) in the irAE group and 1.4 months (95% CI, 1.2 to 1.6) in the non-irAE group (HR = 0.11, p < 0.001). The median overall survival was 16.8 months (95% CI, 4.4 to not reached) in the irAE group and 3.2 months (95% CI, 2.2 to 4.1) in the non-irAE group (HR = 0.17, p < 0.001). Multivariate analysis demonstrated that number of metastatic sites ≥2 (HR = 2.15; 95% CI, 1.02 to 4.54), high ALP level (HR = 2.50; 95% CI, 1.27 to 4.54), and absence of irAEs (HR = 9.54, 95% CI, 3.34 to 27.30 for yes vs. no) were associated with a poor prognosis. The most frequent irAEs was diarrhea/colitis (n = 5). Grade 3 adverse events were observed in 6 patients; hyperglycemia (n = 2), diarrhea/colitis (n = 1), adrenal insufficiency (n = 1), aspartate aminotransferase increased (n = 1), peripheral motor neuropathy (n = 1). There were no grade 4 or 5 adverse events related to nivolumab. Conclusions Development of irAEs was associated with clinical benefit for AGC patients receiving nivolumab monotherapy.

Prognosis of patients developing immune-related adverse events with immune checkpoint inhibitors in melanoma influenced by the ability to resume therapy.

2020 ◽  
Vol 38 (5_suppl) ◽  
pp. 61-61
Author(s):  
Jung Min Song ◽  
Tapas Ranjan Behera ◽  
Kathryn Demski ◽  
Ann Yurco ◽  
Pradnya Dinkar Patil ◽  
...  
Keyword(s):  
Adverse Events ◽  
Disease Progression ◽  
Immune Checkpoint ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Tumor Board ◽  
The Face ◽  
Cancer Outcome ◽  
Grade 3

61 Background: Immune checkpoint inhibitors (ICPis) have improved survival in melanoma patients, however their use is associated with 5-60% patients experiencing severe immune related adverse events (irAEs). Severe irAEs may affect survival benefit imparted by ICPis. Objective: We aimed to analyze disease outcomes with resumption of immunotherapy as compared to non-resumption of immunotherapy in patients with severe irAEs (Grade 3/4 in CTCAE v5.0). Methods: Patients with melanoma being treated with ICPis who developed severe irAEs were discussed in an institutional irAE tumor board (TB). We analyzed all patients discussed in TB from September 2017 to September 2019 for cancer outcome of withholding versus resuming immunotherapy in the face of severe irAEs. Results: Out of 26 total patients with melanoma discussed in TB, 23 had severe irAE. Colitis was the most common irAE 9/23 (39.1%) followed by 2/23 (8.7%) of pneumonitis and hepatitis each. ICPi was resumed in 8 patients (resume group) (median age 53, range 42-67) and withheld in 15 patients (non-resume group) (median age 57, range 42-91). In the resume group all 8 patients (100%) are alive, of which 2/8 (25%) had disease progression (median follow up 106.5wk, range 35wk-131wk); whereas, in the non-resume group 9/15 (60%) progressed, of which 6/15 (40%) died (median follow up 91wk, range 3wk-197wk). Conclusions: Our data suggest that the ability to resume ICPi after an episode of severe irAE is associated with better prognosis in terms of disease progression and survival. Immunotherapy being the mainstay of the management in metastatic melanoma, inability to resume therapy is associated with worse prognosis. Timely management of irAEs should be prioritized in order to resume treatment.

scholarly journals The quality of reporting general safety parameters and immune-related adverse events in clinical trials of FDA-approved immune checkpoint inhibitors

BMC Cancer ◽  
2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Zahra Karimian ◽  
Sandra Mavoungou ◽  
Joe-Elie Salem ◽  
Florence Tubach ◽  
Agnès Dechartres
Keyword(s):  
Adverse Events ◽  
Immune Checkpoint ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Safety Information ◽  
Safety Data ◽  
Phase Iii ◽  
Quality Of Reporting ◽  
Link Type

Abstract Background While immune-checkpoint inhibitors (ICIs) have transformed the field of oncology for advanced-stage cancers, they can lead to serious immune toxicities. Several systematic reviews have evaluated the risk of immune-related adverse events (irAEs); however, most have focused on published articles without evaluating trial registries. The objective of this methodological review was to compare the quality of reporting of safety information and in particular, serious irAEs (irSAEs), in both publications and ClinicalTrials.gov for all current FDA-approved ICIs. Methods PubMed was searched to retrieve all published phase III randomized controlled trials (RCTs) evaluating ICIs. For each eligible trial, we searched for corresponding registration on ClinicalTrials.gov and extracted relevant safety data from both the publication and results posted on registry. We then compared the quality of reporting and the value of safety data between both sources. Results Of 42 eligible published trials, 34 had results posted on ClinicalTrials.gov. Considerable variability was noted in the reporting of safety in both sources. SAEs were reported for all trial results in ClinicalTrials.gov compared to 23.5% of publications. An overall incidence for irAEs and irSAEs was reported in 58.8 and 8.8% of publications respectively, compared to 11.8 and 5.9% in registry results. Comparing the value of specific irSAEs was not possible between the two sources in 32/34 trials either due to different reporting formats (61.8%) or data not being reported in one or both sources (32.4%). From the 2 studies with compatible irSAE format, only 1 had matching data in both sources. Conclusions The reporting of irAEs / irSAEs varies considerably in publications and registries, which outlines the importance of standardizing the terminologies and methodologies for reporting safety information relevant to ICIs.

scholarly journals 625 COVID-19 vaccination in patients with renal cancer or melanoma receiving immune checkpoint inhibitors

2021 ◽  
Vol 9 (Suppl 3) ◽  
pp. A655-A655
Author(s):  
Joyce Hwang ◽  
Hannah Dzimitrowicz ◽  
Riddhishkumar Shah ◽  
Kathleen Ashcraft ◽  
Daniel George ◽  
...  
Keyword(s):  
Adverse Events ◽  
Immune Checkpoint ◽  
Immune Checkpoint Inhibitors ◽  
Checkpoint Inhibitors ◽  
Meta Analysis ◽  
Control Group ◽  
Post Vaccination ◽  
Safety And Efficacy ◽  
Patients With Cancer

BackgroundPatients with cancer are at high risk for severe COVID-19 disease and mortality1; however, patients on active cancer treatment, including immune checkpoint inhibitors (ICI), were excluded from COVID19 vaccine trials.2 3 Thus, safety and efficacy of COVID-19 vaccination in patients receiving ICIs is not well described.MethodsWe identified patients with renal cell carcinoma (RCC) or melanoma who received at least one dose of an FDA-authorized COVID-19 vaccine (vax+), with or without being on ICI, between the dates of December 1, 2020 and April 1, 2021, and had at least 3 months of documented follow up at Duke Cancer Center. Retrospective chart abstraction of patient encounters during three months following vaccination was performed. Patient characteristics included demographics and oncologic treatments. Primary outcome was adverse events attributed to vaccination; other outcomes included immune related adverse events (IRAE) following vaccination and subsequent COVID-19 infection.Results51 study patients (vax+ with ICI) and 23 control patients (vax+ not on active treatment) were initially identified. Baseline characteristics are in table 1. 27.5% of ICI patients (N = 14/51) reported symptoms attributed to vaccination. Common symptoms reported by the ICI group were fever (9.8%; N = 5), chills (7.8%; N = 4), arm pain (7.8%; N = 4), myalgias (7.8%; N = 4), lymphadenopathy (7.8%; N = 4), headache (5.9%; N = 3), and diarrhea (3.9%; N = 2). None of these were reported in the control group. One patient in the ICI group developed a rash at the injection site, and one developed porokeratoses following the second dose. From the control group, one patient developed a stye and one patient developed PVCs. Five ICI patients (9.8%) developed a new or worsening IRAE requiring systemic steroids and/or treatment hold. These IRAEs included: colitis (N = 2), hepatitis, rash, and concurrent pancreatitis/colitis. Two ICI patients (4%) and 0 patients developed COVID-19 infection after one and two vaccine doses, respectively.ConclusionsAmongst a heterogeneous population of patients receiving ICI therapy, COVID-19 vaccination appears to be well tolerated and safe. The higher rate of symptoms reported post-vaccination in patients receiving ICI therapy is likely related to more frequent follow up intervals versus control. The rate of new or worsening IRAEs post-vaccination is no higher than historically reported.4 5 An update of this data with a larger cohort will be presented. Larger cohort studies of patients receiving ICIs are needed to fully assess the safety and efficacy of COVID-19 vaccination in this population; however, these data support the safety of vaccination in patients receiving ICIs.ReferencesKuderer NM, Choueiri TK, Shah DP, Shyr Y, Rubinstein SM, Rivera DR et al. Clinical impact of COVID-19 on patients with cancer (CCC19): a cohort study. The Lancet 2020;395:1907–1918.Polack FP, Thomas SJ, Kitchin N, Absalon J, Gurtman A, Lockhart S, et al. Safety and efficacy of the BNT162b2 mRNA Covid-19 Vaccine. N Engl J Med 2020;383(27):2603–15.Baden LR, El Sahly HM, Essink B, Kotloff K, Frey S, Novak R, et al. Efficacy and safety of the mRNA-1273 SARS-CoV-2 Vaccine. N Engl J Med 2020.Xing P, Zhang F, Wang G, Xu Y, Li C, Wang S, et al. Incidence rates of immune-related adverse events and their correlation with response in advanced solid tumors treated with NIVO or NIVO+IPI: a systematic review and meta-analysis. J ImmunoTherapy Cancer 2019;341.Osta B, Hu F, Sadek R, Chintalapally R, Tang S. A meta-analysis of immune-related adverse events of immune checkpoint inhibitors from cancer clinical trials. Submitted Abstracts Immunotherapy of Cancer 2016;27.Abstract 625 Table 1Baseline characteristics of ICI and control populations

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