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Real-world safety of nivolumab in patients with non-small-cell lung cancer in Japan: Postmarketing surveillance.

ABSTRACT: Postmarketing surveillance of Japanese patients with unresectable, previously treated, advanced or recurrent non-small-cell lung cancer treated with nivolumab was undertaken during the conditional approval period. The study aim was to evaluate the occurrence of treatment-related adverse events of nivolumab in the real world. Patients were registered between December 2015 and March 2016 at 536 sites. Nivolumab was given intravenously (3 mg/kg every 2 weeks); the observation period was 12 months after the first dose of nivolumab. Patients were evaluated for safety (n = 3601; 18.2% ≥75 years, 22.4% ECOG performance status ≥2) and effectiveness (n = 3570). The frequencies of any grade and grade 3 or higher treatment-related adverse events were 47.1% and 15.9%, respectively. The most frequent treatment-related adverse events (any grade) were interstitial lung disease (6.4%), hypothyroidism (5.7%), and diarrhea (4.4%). Treatment-related adverse events of special interest (priority items) occurring at a frequency of 5% or more were adverse events related to interstitial lung disease, thyroid dysfunction, liver dysfunction, colitis/severe diarrhea, infusion reaction, and infusion reaction within 24 hours. Significant risk factors for these priority items were identified by competing risk analysis: interstitial lung disease (previous/comorbid interstitial lung disease, abnormal findings on chest imaging, and smoking history); liver dysfunction (previous/comorbid liver disease, smoking history, and metastasis); thyroid dysfunction (previous/comorbid thyroid disease and performance status); and colitis/severe diarrhea (treatment line 2 vs ≥3). The 12-month survival rate was 40.7%. In conclusion, the safety profile of nivolumab in this postmarketing surveillance was similar to that in clinical trials, and no new safety signals were identified. The study was registered with the Japan Pharmaceutical Information Center (clinicaltrials.jp: Japic-163271).

SUBMITTER: Yamamoto N

PROVIDER: S-EPMC8586674 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Treatment with immune checkpoint inhibitors has improved prognosis among patients with cutaneous melanoma, but there are still unmet medical needs in Japan, especially for mucosal melanoma and acral lentiginous melanoma (ALM) subtypes. Ipilimumab, a fully human monoclonal antibody that specifically blocks cytotoxic T-lymphocyte-associated antigen 4 and potentiates antitumor T-cell response, was approved in Japan in 2015 for the treatment of radically unresectable malignant melanoma. This postmarketing surveillance (prospective, non-interventional, multicenter, observational study) evaluated the safety (occurrence of adverse drug reactions [ADR]) and efficacy (overall survival [OS]) of ipilimumab in a real-world setting in Japan. All patients with radically unresectable malignant melanoma undergoing treatment with ipilimumab in Japan during the registration period between August 2015 and February 2017 were enrolled. In total, 547 patients were analyzed; 67.5% were 60 years old or more, 85.7% had an Eastern Cooperative Oncology Group performance status of 0-1, 50.3% had melanoma of the skin (mainly of the ALM subtype) and 73.5% had negative BRAF mutation status. Most patients had experienced recurrence and received multiple treatments. The overall incidence of ADR and serious ADR was 69.5% and 40.8%, respectively. The most common ADR and serious ADR were liver disorder, colitis and diarrhea. The most common ADR of special interest were liver-related ADR (22.5%), skin-related ADR (22.1%), gastrointestinal-related ADR (20.3%) and endocrine system-related ADR (16.3%). Most of these events had recovered or were in remission by the last evaluation. The median OS was 7.52 months (95% confidence interval, 6.47-8.74). Median OS was 6.31 and 8.44 months in patients with mucosal melanoma and melanoma of the skin; 9.43 and 3.75 months in patients with and without ADR; and 10.32 and 6.11 months in patients with and without serious ADR, respectively. Ipilimumab was tolerable and showed efficacy in improving OS for these patients.

Project description:ObjectivesWe aimed to examine clinical data and baseline blood test results as potential predictive biomarkers for benefit from nivolumab, in advanced non-small cell lung cancer patients (NSCLC).Materials and methodsA chart review was performed of 108 advanced NSCLC patients who commenced treatment with nivolumab between 2015-6 at three Israeli cancer centers, and for whom laboratory tests results were available. Data collected included sex, age, ECOG-PS, histology and number of previous lines of treatment. Baseline blood test results collected: absolute lymphocyte and neutrophil count (ANC), white blood cells (WBC), hemoglobin, platelets, albumin and lactate dehydrogenase (LDH). Neutrophil to Lymphocyte Ratio and 'derived NLR' (dNLR = (ANC/[WBC-ANC])) were calculated. Disease control at six months (DC6) was defined as any tumor shrinkage or stable disease during the first six months of nivolumab treatment. The association between clinical/laboratory variables and survival was tested with a Cox proportional hazard model. Data cut-off occurred in November 2019.Results35 patients (32.4%) achieved DC6. Median overall survival (OS) of entire study population was 5.4 months. Four year survival rate was 16%. Achievement of DC6 strongly correlated with longer OS (HR 0.12, 95% C.I. 0.07-0.21, p<0.001). In univariate and multivariate analysis, dNLR, albumin and LDH correlated significantly with OS. No variables correlated significantly with DC6 in multivariate analysis. Based on albumin and LDH, we produced a score called CLAS (combined LDH and albumin score), including four prognostic groups of patients. Patients having low albumin and high LDH had the worst prognosis.ConclusionIn real-life setting, long-term efficacy of nivolumab in advanced line treatment of NSCLC is consistent with clinical trials. Response or stability of disease during first six months of treatment is associated with prolonged survival. We propose a novel score (CLAS) that may be useful for predicting outcome in nivolumab-treated NSCLC patients, but further validation is required.

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Real-world safety of nivolumab in patients with non-small-cell lung cancer in Japan: Postmarketing surveillance.

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