Evaluation of objective response, disease control and progression-free survival as surrogate end-points for overall survival in anti–programmed death-1 and anti–programmed death ligand 1 trials

2019 ◽  
Vol 106 ◽  
pp. 1-11 ◽  
Author(s):  
Run-Cong Nie ◽  
Fo-Ping Chen ◽  
Shu-Qiang Yuan ◽  
Ying-Shan Luo ◽  
Shi Chen ◽  
...  
Keyword(s):  
Overall Survival ◽  
Disease Control ◽  
Objective Response ◽  
Progression Free Survival ◽  
End Points ◽  
Free Survival ◽  
Programmed Death Ligand 1 ◽  
Programmed Death ◽  
Programmed Death 1

90Y glass microspheres for the treatment of unresectable metastatic liver disease from chemotherapy-refractory gastrointestinal cancers: A pilot study.

2014 ◽  
Vol 32 (3_suppl) ◽  
pp. 359-359
Author(s):  
Nicholas Fidelman ◽  
Robert Keith Kerlan ◽  
Randall A. Hawkins ◽  
Emily K. Bergsland ◽  
Robin Kate Kelley ◽  
...  
Keyword(s):  
Overall Survival ◽  
Pilot Study ◽  
Disease Control ◽  
Objective Response ◽  
Progression Free Survival ◽  
Response Duration ◽  
Treatment Session ◽  
Glass Microspheres ◽  
Free Survival ◽  
Carcinoid Crisis

359 Background: This prospective single-institution pilot study was undertaken to document the feasibility, safety, and efficacy of treatment of liver-dominant metastatic gastrointestinal cancer using 90Y glass microspheres. Methods: Between June 2010 and November 2012, 30 adult patients (22 men, 8 women; median age 61 years) with metastatic chemotherapy-refractory unresectable colorectal (n=15), neuroendocrine (n=9), biliary tract (n=3), pancreas (n=2), and esophageal (n=1) carcinomas underwent 45 lobar or segmental administrations of 90Y glass microspheres. Data regarding clinical and laboratory adverse events (AE) were collected prospectively for 6 months after each treatment. Radiographic responses were evaluated using Response Evaluation Criteria in Solid Tumors, version 1.1. Time to maximum response, response duration, progression-free survival (hepatic and extrahepatic), and overall survival were measured. Results: Median target dose and activity were 111.6Gy and 2.5GBq per treatment session, respectively. All but 3 clinical AE were grade 1 or 2 in severity. The most frequent clinical AE were fatigue (83%), anorexia (50%), nausea (50%), abdominal pain (40%), vomiting (20%), fever (17%), and sweating (17%). Common metabolic and laboratory AE included hypoalbuminemia (50%), transaminitis (63%), and hyperbilirubinemia (27%). Serious AE included an unplanned hospital admission for carcinoid crisis, grade 3 vomiting, and grade 4 gastric ulcer. Patients with colorectal cancer had hepatic objective response rate (ORR) of 27% and a disease control rate (DCR) of 73%. Median progression-free and overall survival were 1.0 and 4.9 months, respectively. Patients with neuroendocrine tumors had hepatic ORR and DCR of 78% and 100%, respectively. Median progression-free survival was 18.5 months for this cohort. Conclusions: 90Y glass microspheres device has a favorable safety profile, and achieved prolonged disease control of hepatic tumor burden in a subset of patients, including all patients enrolled in the neuroendocrine cohort. Clinical trial information: NCT01290536.

scholarly journals Prognostic implications of PD-L1 expression in patients with angiosarcoma

2021 ◽  
pp. FSO691
Author(s):  
Jii Bum Lee ◽  
Beung-Chul Ahn ◽  
Seung Hyun Kim ◽  
Young Han Lee ◽  
Jung Woo Han ◽  
...  
Keyword(s):  
Overall Survival ◽  
Median Overall Survival ◽  
Prognostic Biomarker ◽  
Progression Free Survival ◽  
Limited Data ◽  
Free Survival ◽  
Programmed Death Ligand 1 ◽  
Median Progression Free Survival ◽  
Programmed Death ◽  
Prognostic Implications

Aim: There are limited data on the feasibility of programmed death ligand-1 (PD-L1) expression as a prognostic biomarker in metastatic angiosarcoma. Patients & methods: We retrospectively collected and analyzed the data on PD-L1 expression in 70 angiosarcoma patients who were diagnosed at our center between 2005 and 2019. Results: Thirteen (19%) patients had PD-L1 expression. Metastatic angiosarcoma patients who were PD-L1-negative (n = 24) showed longer median progression-free survival (4.9 vs 1.6 months; p = 0.04) and median overall survival (OS; 10.9 vs 5.4 months; p = 0.01) than those who were PD-L1-positive (n = 4). PD-L1 status proved to be a significant factor for OS. Conclusion: Metastatic angiosarcoma patients with PD-L1 expression showed shorter survival. PD-L1 status is an independent prognostic factor for OS in metastatic angiosarcoma patients.

scholarly journals Nivolumab for Newly Diagnosed Advanced-Stage Classic Hodgkin Lymphoma: Safety and Efficacy in the Phase II CheckMate 205 Study

2019 ◽  
Vol 37 (23) ◽  
pp. 1997-2007 ◽  
Author(s):  
Radhakrishnan Ramchandren ◽  
Eva Domingo-Domènech ◽  
Antonio Rueda ◽  
Marek Trněný ◽  
Tatyana A. Feldman ◽  
...  
Keyword(s):  
Response Rate ◽  
Objective Response ◽  
Progression Free Survival ◽  
Advanced Stage ◽  
Newly Diagnosed ◽  
Free Survival ◽  
Programmed Death Ligand 1 ◽  
Classic Hodgkin Lymphoma ◽  
Immune Mediated ◽  
Programmed Death

PURPOSE Nivolumab, an anti–programmed death-1 monoclonal antibody, has demonstrated frequent and durable responses in relapsed/refractory classic Hodgkin lymphoma (cHL). We report results from Cohort D of the CheckMate 205 trial, which assessed nivolumab monotherapy followed by nivolumab plus doxorubicin, vinblastine, and dacarbazine (N-AVD) for newly diagnosed cHL. METHODS Patients 18 years of age or older with untreated, advanced-stage (defined as III to IV and IIB with unfavorable risk factors) cHL were eligible for Cohort D of this multicenter, noncomparative, phase II trial. Patients received nivolumab monotherapy for four doses, followed by 12 doses of N-AVD; all doses were every 2 weeks, and nivolumab was administered at 240 mg intravenously. The primary end point was safety. Efficacy end points included objective response rate and modified progression-free survival, defined as time to disease progression/relapse, death, or next therapy. Chromosome 9p24.1 alterations and programmed death-ligand 1 expression were assessed in Hodgkin Reed-Sternberg cells in evaluable patients. RESULTS A total of 51 patients were enrolled and treated. At diagnosis, 49% of patients had an International Prognostic Score of 3 or greater. Overall, 59% experienced a grade 3 to 4 treatment-related adverse event. Treatment-related febrile neutropenia was reported in 10% of patients. Endocrine immune-mediated adverse events were all grade 1 to 2 and did not require high-dose corticosteroids; all nonendocrine immune-mediated adverse events resolved (most commonly, rash; 5.9%). At the end of therapy, the objective response rate (95% CI) per independent radiology review committee was 84% (71% to 93%), with 67% (52% to 79%), achieving complete remission (five patients [10%] were nonevaluable and counted as nonresponders). With a minimum follow-up of 9.4 months, 9-month modified progression-free survival was 92%. Patients with higher-level Hodgkin Reed-Sternberg programmed death-ligand 1 expression had more favorable responses to N-AVD ( P = .041). CONCLUSION Nivolumab followed by N-AVD was associated with promising efficacy and safety profiles for newly diagnosed, advanced-stage cHL.

Bevacizumab Alone and in Combination With Irinotecan in Recurrent Glioblastoma

2009 ◽  
Vol 27 (28) ◽  
pp. 4733-4740 ◽  
Author(s):  
Henry S. Friedman ◽  
Michael D. Prados ◽  
Patrick Y. Wen ◽  
Tom Mikkelsen ◽  
David Schiff ◽  
...  
Keyword(s):  
Overall Survival ◽  
Objective Response ◽  
Survival Rates ◽  
Progression Free Survival ◽  
Recurrent Glioblastoma ◽  
Survival Times ◽  
Open Label ◽  
Noncomparative Trial ◽  
End Points ◽  
Free Survival

Purpose We evaluated the efficacy of bevacizumab, alone and in combination with irinotecan, in patients with recurrent glioblastoma in a phase II, multicenter, open-label, noncomparative trial. Patients and Methods One hundred sixty-seven patients were randomly assigned to receive bevacizumab 10 mg/kg alone or in combination with irinotecan 340 mg/m2 or 125 mg/m2 (with or without concomitant enzyme-inducing antiepileptic drugs, respectively) once every 2 weeks. Primary end points were 6-month progression-free survival and objective response rate, as determined by independent radiology review. Secondary end points included safety and overall survival. Results In the bevacizumab-alone and the bevacizumab-plus-irinotecan groups, estimated 6-month progression-free survival rates were 42.6% and 50.3%, respectively; objective response rates were 28.2% and 37.8%, respectively; and median overall survival times were 9.2 months and 8.7 months, respectively. There was a trend for patients who were taking corticosteroids at baseline to take stable or decreasing doses over time. Of the patients treated with bevacizumab alone or bevacizumab plus irinotecan, 46.4% and 65.8%, respectively, experienced grade ≥ 3 adverse events, the most common of which were hypertension (8.3%) and convulsion (6.0%) in the bevacizumab-alone group and convulsion (13.9%), neutropenia (8.9%), and fatigue (8.9%) in the bevacizumab-plus-irinotecan group. Intracranial hemorrhage was noted in two patients (2.4%) in the bevacizumab-alone group (grade 1) and in three patients (3.8%) patients in the bevacizumab-plus-irinotecan group (grades 1, 2, and 4, respectively). Conclusion Bevacizumab, alone or in combination with irinotecan, was well tolerated and active in recurrent glioblastoma.

Apatinib monotherapy for chemotherapy-refractory metastatic colorectal cancer: A multicenter, single-arm, prospective study.

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. 3527-3527 ◽  
Author(s):  
Fen Wang ◽  
Shubin Wang ◽  
Xia Yuan ◽  
Jun Jia ◽  
Xiaoxia Bi ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Overall Survival ◽  
Prospective Study ◽  
Disease Control ◽  
Metastatic Colorectal Cancer ◽  
Response Rate ◽  
Objective Response ◽  
Progression Free Survival ◽  
Disease Control Rate ◽  
Free Survival

3527 Background: Apatinib is an oral highly-selective tyrosine kinase inhibitor (TKI) that blocks vascular endothelial growth factor receptor 2 (VEGFR-2). This exploratory study evaluated the efficacy and safety of apatinib monotherapy in patients with chemotherapy-refractory metastatic colorectal cancer. Methods: In this multicenter, single-arm, prospective study, 48 patients with metastatic colorectal cancer who had failed at least two lines standard chemotherapies including fluorouracil, oxaliplatin and irinotecan were recruited from 14 centers in Guangdong, China. Apatinib at a 500mg dose was administered daily continuously. Each cycle was 4 weeks (28 days). The primary endpoint was progression free survival (PFS). Secondary end points included overall survival (OS), objective response rate (ORR), disease control rate (DCR), quality of life (QoL) and toxicity. Results: A total of 48 patients was enrolled in the study from September 3, 2015 to June9, 2017. Four patients achieved a partial response, and 22 achieved stable disease, representing a response rate of 8.3% and a disease control rate of 60.4%. Median follow-up time was 10.3 months. Median progression-free survival (PFS) and overall survival (OS) of evaluable patients (n=41) were 4.7 months (95% confidence interval [CI] 3.7-5.9) and 9.7 months (95% CI 5.9-13.6). The most common grade 3 or 4 adverse events (AE) were hypertension (12.5%), hand-foot syndrome (10.4%), thrombocytopenia (10.4%), proteinuria (8.3%) and mucositis oral (6.3%). Conclusions: Apatinib monotherapy shows promising efficacy and manageable toxicities in patients with chemotherapy-refractory metastatic colorectal cancer. Further phase 3 trial is warranted. Clinical trial information: ChiCTR1900020503.

scholarly journals Prognostic Role of Soluble Programmed Death Ligand 1 in Non-Small Cell Lung Cancer: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 11 ◽  
Author(s):  
Guixiang Liao ◽  
Zhihong Zhao ◽  
Yuting Qian ◽  
Xiean Ling ◽  
Shanyi Chen ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Overall Survival ◽  
Progression Free Survival ◽  
Small Cell ◽  
Small Cell Lung ◽  
Prognostic Role ◽  
Free Survival ◽  
Programmed Death Ligand 1 ◽  
Programmed Death

ObjectiveThe objective of this study was to explore whether soluble programmed death ligand 1 (sPD-L1) is a potential prognostic biomarker in patients with non-small cell lung cancer (NSCLC).MethodsA comprehensive search of electronic databases was carried out. Original studies with inclusion of sPD-L1, progression-free survival, and overall survival in NSCLC were eligible. The primary endpoints were overall survival and progression-free survival. Hazard ratios (HRs) and 95% confidence intervals (CIs) were applied for data analysis.ResultsEight studies involving 710 patients with NSCLC were included in the analysis. A pooled data analysis revealed that high levels of sPD-L1 were correlated with poorer overall survival (HR = 2.34; 95% CI = 1.82–3.00; P < 0.001) and progression-free survival (HR = 2.35; 95% CI = 1.62–3.40, P < 0.001). A subgroup analysis revealed that high levels of sPD-L1 were correlated with poor overall survival in patients treated with immunotherapy (HR = 2.40; 95% CI = 1.79–3.22; P < 0.001).ConclusionThis pooled analysis of published data suggests that sPD-L1 may serve as a readily available biomarker for survival in NSCLC patients treated with ICI based treatment. Prospective studies with well-designed standard assessment methods should be conducted to validate the prognostic role of sPD-L1 in NSCLC.Systematic Review Registrationhttps://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021283177.

scholarly journals Programmed Death-Ligand 1 Expression and Response to the Anti–Programmed Death 1 Antibody Pembrolizumab in Melanoma

2016 ◽  
Vol 34 (34) ◽  
pp. 4102-4109 ◽  
Author(s):  
Adil I. Daud ◽  
Jedd D. Wolchok ◽  
Caroline Robert ◽  
Wen-Jen Hwu ◽  
Jeffrey S. Weber ◽  
...  
Keyword(s):  
Clinical Trial ◽  
Objective Response Rate ◽  
Response Rate ◽  
Objective Response ◽  
Progression Free Survival ◽  
Hazard Ratio ◽  
Tumor Biopsy ◽  
Programmed Death Ligand 1 ◽  
Programmed Death ◽  
Programmed Death 1

Purpose Expression of programmed death-ligand 1 (PD-L1) is a potential predictive marker for response and outcome after treatment with anti–programmed death 1 (PD-1). This study explored the relationship between anti–PD-1 activity and PD-L1 expression in patients with advanced melanoma who were treated with pembrolizumab in the phase Ib KEYNOTE-001 study (clinical trial information: NCT01295827). Patients and Methods Six hundred fifty-five patients received pembrolizumab10 mg/kg once every 2 weeks or once every 3 weeks, or 2 mg/kg once every 3 weeks. Tumor response was assessed every 12 weeks per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 by independent central review. Primary outcome was objective response rate. Secondary outcomes included progression-free survival (PFS) and overall survival (OS). Membranous PD-L1 expression in tumor and tumor-associated immune cells was assessed by a clinical trial immunohistochemistry assay (22C3 antibody) and scored on a unique melanoma (MEL) scale of 0 to 5 by one of three pathologists who were blinded to clinical outcome; a score ≥ 2 (membranous staining in ≥ 1% of cells) was considered positive. Results Of 451 patients with evaluable PD-L1 expression, 344 (76%) had PD-L1–positive tumors. Demographic and staging variables were equally distributed among PD-L1–positive and –negative patients. An association between higher MEL score and higher response rate and longer PFS (hazard ratio, 0.76; 95% CI, 0.71 to 0.82) and OS (hazard ratio, 0.76; 95% CI, 0.69 to 0.83) was observed ( P < .001 for each). Objective response rate was 8%, 12%, 22%, 43%, 57%, and 53% for MEL 0, 1, 2, 3, 4, and 5, respectively. Conclusion PD-L1 expression in pretreatment tumor biopsy samples was correlated with response rate, PFS, and OS; however, patients with PD-L1–negative tumors may also achieve durable responses.

scholarly journals Nivolumab in Combination With Platinum‐Based Doublet Chemotherapy for First-Line Treatment of Advanced Non–Small-Cell Lung Cancer

2016 ◽  
Vol 34 (25) ◽  
pp. 2969-2979 ◽  
Author(s):  
Naiyer A. Rizvi ◽  
Matthew D. Hellmann ◽  
Julie R. Brahmer ◽  
Rosalyn A. Juergens ◽  
Hossein Borghaei ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Objective Response ◽  
Progression Free Survival ◽  
Small Cell ◽  
Small Cell Lung ◽  
First Line ◽  
Free Survival ◽  
Programmed Death Ligand 1 ◽  
Programmed Death ◽  
Doublet Chemotherapy

Purpose Nivolumab, a fully human immunoglobulin G4 programmed death-1 immune checkpoint inhibitor antibody, has demonstrated improved survival in previously treated patients with advanced non–small-cell lung cancer (NSCLC). CheckMate 012, a phase I, multicohort study, was conducted to explore the safety and efficacy of nivolumab as monotherapy or combined with current standard therapies in first-line advanced NSCLC. Here, we report results for nivolumab plus platinum-based doublet chemotherapy (PT-DC). Patients and Methods Patients (N = 56) received nivolumab (intravenously) plus PT-DC concurrently every 3 weeks for four cycles followed by nivolumab alone until progression or unacceptable toxicity. Regimens were nivolumab 10 mg/kg plus gemcitabine-cisplatin (squamous) or pemetrexed-cisplatin (nonsquamous) or nivolumab 5 or 10 mg/kg plus paclitaxel-carboplatin (all histologies). The primary objective was to assess safety and tolerability. Secondary objectives included objective response rate and 24-week progression-free survival rate (per Response Evaluation Criteria in Solid Tumors version 1.1); exploratory objectives included overall survival (OS) and response by tumor programmed death ligand-1 expression. Results No dose-limiting toxicities occurred during the first 6 weeks of treatment. Forty-five percent of patients (25 of 56 patients) reported grade 3 or 4 treatment-related adverse events (AEs); 7% of patients (n = 4) had pneumonitis. Twenty-one percent of patients (n = 12) discontinued all study therapy as a result of treatment-related AEs. Objective response rates for nivolumab 10 mg/kg plus gemcitabine-cisplatin, nivolumab 10 mg/kg plus pemetrexed-cisplatin, nivolumab 10 mg/kg plus paclitaxel-carboplatin, and nivolumab 5 mg/kg plus paclitaxel-carboplatin were 33%, 47%, 47%, and 43%, respectively; 24-week progression-free survival rates were 51%, 71%, 38%, and 51%, respectively; 2-year OS rates were 25%, 33%, 27%, and 62%, respectively. Responses were achieved regardless of tumor programmed death ligand-1 expression. Conclusion The safety profile of nivolumab plus PT-DC was consistent with that expected for individual agents; however, treatment discontinuation related to AEs was greater with the combination. Encouraging activity was observed, especially for the nivolumab 5 mg/kg plus paclitaxel-carboplatin group, with a 2-year OS rate of 62%.

scholarly journals Avelumab, an Anti–Programmed Death-Ligand 1 Antibody, In Patients With Refractory Metastatic Urothelial Carcinoma: Results From a Multicenter, Phase Ib Study

2017 ◽  
Vol 35 (19) ◽  
pp. 2117-2124 ◽  
Author(s):  
Andrea B. Apolo ◽  
Jeffrey R. Infante ◽  
Ani Balmanoukian ◽  
Manish R. Patel ◽  
Ding Wang ◽  
...  
Keyword(s):  
Adverse Events ◽  
Urothelial Carcinoma ◽  
Response Rate ◽  
Objective Response ◽  
Progression Free Survival ◽  
Free Survival ◽  
Programmed Death Ligand 1 ◽  
Phase Ib ◽  
Programmed Death ◽  
Metastatic Urothelial Carcinoma

Purpose We assessed the safety and antitumor activity of avelumab, a fully human anti–programmed death-ligand 1 (PD-L1) IgG1 antibody, in patients with refractory metastatic urothelial carcinoma. Methods In this phase Ib, multicenter, expansion cohort, patients with urothelial carcinoma progressing after platinum-based chemotherapy and unselected for PD-L1 expression received avelumab 10 mg/kg intravenously every 2 weeks. The primary objectives were safety and tolerability. Secondary objectives included confirmed objective response rate (Response Evaluation Criteria in Solid Tumors [RECIST] version 1.1), progression-free survival, overall survival (OS), and PD-L1–associated clinical activity. PD-L1 positivity was defined as expression by immunohistochemistry on ≥ 5% of tumor cells. Results Forty-four patients were treated with avelumab and followed for a median of 16.5 months (interquartile range, 15.8 to 16.7 months). The data cutoff was March 19, 2016. The most frequent treatment-related adverse events of any grade were fatigue/asthenia (31.8%), infusion-related reaction (20.5%), and nausea (11.4%). Grades 3 to 4 treatment-related adverse events occurred in three patients (6.8%) and included asthenia, AST elevation, creatine phosphokinase elevation, and decreased appetite. The confirmed objective response rate by independent central review was 18.2% (95% CI, 8.2% to 32.7%; five complete responses and three partial responses). The median duration of response was not reached (95% CI, 12.1 weeks to not estimable), and responses were ongoing in six patients (75.0%), including four of five complete responses. Seven of eight responding patients had PD-L1–positive tumors. The median progression-free survival was 11.6 weeks (95% CI, 6.1 to 17.4 weeks); the median OS was 13.7 months (95% CI, 8.5 months to not estimable), with a 12-month OS rate of 54.3% (95% CI, 37.9% to 68.1%). Conclusion Avelumab was well tolerated and associated with durable responses and prolonged survival in patients with refractory metastatic UC.

scholarly journals Efficacy and Safety of Nivolumab Alone or in Combination With Ipilimumab in Patients With Mucosal Melanoma: A Pooled Analysis

2017 ◽  
Vol 35 (2) ◽  
pp. 226-235 ◽  
Author(s):  
Sandra P. D’Angelo ◽  
James Larkin ◽  
Jeffrey A. Sosman ◽  
Celeste Lebbé ◽  
Benjamin Brady ◽  
...  
Keyword(s):  
Cutaneous Melanoma ◽  
Checkpoint Inhibitor ◽  
Objective Response ◽  
Progression Free Survival ◽  
Mucosal Melanoma ◽  
Efficacy And Safety ◽  
Free Survival ◽  
Median Progression Free Survival ◽  
Programmed Death ◽  
Programmed Death 1

Purpose Mucosal melanoma is an aggressive malignancy with a poor response to conventional therapies. The efficacy and safety of nivolumab (a programmed death-1 checkpoint inhibitor), alone or combined with ipilimumab (a cytotoxic T-lymphocyte antigen-4 checkpoint inhibitor), have not been reported in this rare melanoma subtype. Patients and Methods Data were pooled from 889 patients who received nivolumab monotherapy in clinical studies, including phase III trials; 86 (10%) had mucosal melanoma and 665 (75%) had cutaneous melanoma. Data were also pooled for patients who received nivolumab combined with ipilimumab (n = 35, mucosal melanoma; n = 326, cutaneous melanoma). Results Among patients who received nivolumab monotherapy, median progression-free survival was 3.0 months (95% CI, 2.2 to 5.4 months) and 6.2 months (95% CI, 5.1 to 7.5 months) for mucosal and cutaneous melanoma, with objective response rates of 23.3% (95% CI, 14.8% to 33.6%) and 40.9% (95% CI, 37.1% to 44.7%), respectively. Median progression-free survival in patients treated with nivolumab combined with ipilimumab was 5.9 months (95% CI, 2.8 months to not reached) and 11.7 months (95% CI, 8.9 to 16.7 months) for mucosal and cutaneous melanoma, with objective response rates of 37.1% (95% CI, 21.5% to 55.1%) and 60.4% (95% CI, 54.9% to 65.8%), respectively. For mucosal and cutaneous melanoma, respectively, the incidence of grade 3 or 4 treatment-related adverse events was 8.1% and 12.5% for nivolumab monotherapy and 40.0% and 54.9% for combination therapy. Conclusion To our knowledge, this is the largest analysis of data for anti–programmed death-1 therapy in mucosal melanoma to date. Nivolumab combined with ipilimumab seemed to have greater efficacy than either agent alone, and although the activity was lower in mucosal melanoma, the safety profile was similar between subtypes.

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