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A Simple Implement for Assessing the Survival of Elderly Patients With Melanoma Irradiated for Cerebral Metastases.

ABSTRACT: BACKGROUND/AIM:Secondary brain lesions occur commonly in patients with advanced melanoma. Despite increasing use of local therapies, many elderly patients qualify for whole-brain radiotherapy (WBRT). For these patients, a survival score was created. PATIENTS AND METHODS:Seven characteristics were retrospectively investigated in 35 elderly (?65 years) patients with melanoma, namely WBRT regimen, age, gender, Karnofsky performance score (KPS), number of brain lesions, non-cerebral metastases and interval from melanoma diagnosis to WBRT. RESULTS:Age ?71 years (p=0.044) and KPS ?80% (p=0.005) were significantly associated with more favorable survival. Based on these characteristics, patients received 0 (n=13), 1 (n=12) or 2 points (n=10). Two prognostic groups were designed, 0 or 1 point vs. 2 points, with actuarial 6-month survival rates of 12% and 48%, respectively (p=0.002). CONCLUSION:This simple implement allows quick estimation of the survival of elderly patients receiving WBRT for cerebral metastases from melanoma.

SUBMITTER: Nguyen T

PROVIDER: S-EPMC7279822 | biostudies-literature | 2020 May-Jun

REPOSITORIES: biostudies-literature

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A Simple Implement for Assessing the Survival of Elderly Patients With Melanoma Irradiated for Cerebral Metastases.

Nguyen Trang T Janssen Stefan S Schild Steven E SE Rades Dirk D

In vivo (Athens, Greece) 20200501 3

<h4>Background/aim</h4>Secondary brain lesions occur commonly in patients with advanced melanoma. Despite increasing use of local therapies, many elderly patients qualify for whole-brain radiotherapy (WBRT). For these patients, a survival score was created.<h4>Patients and methods</h4>Seven characteristics were retrospectively investigated in 35 elderly (≥65 years) patients with melanoma, namely WBRT regimen, age, gender, Karnofsky performance score (KPS), number of brain lesions, non-cerebral m ...[more]

PMID: 32354931

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Project description:Importance:Melanoma treatment has been revolutionized with the development of immune-based therapies that offer durable clinical responses in a subset of patients. Clinical outcomes after treatment by immunotherapy can be influenced by the host's immune system. The immune system is modified with age by age-related immune dysfunction. Objective:To evaluate if age influences clinical outcome and immune adverse events in patients treated by immunotherapy for metastatic melanoma. Design, Setting, and Participants:This was a single-center cohort analysis in patients treated with immunotherapy for metastatic melanoma between January 2007 and February 2016, in the Lyon Sud Hospital, France. A total of 92 patients with metastatic melanoma treated with ipilimumab, nivolumab, or pembrolizumab were retrospectively analyzed. Main Outcomes and Measures:Overall survival, progression-free survival, and immune-related adverse events were evaluated for each treatment line according to the patients' age. Results:A total of 92 patients were eligible and included in this study for a total of 120 lines of treatment. Fifty-four patients were included in the cohort that was 65 years or younger (24 [44%] were female; mean [SD] age, 48.1 [12.5] years), and 38 patients were included in the cohort that was older than 65 years (12 [34%] were female; mean [SD] age, 74.8 [6.9] years). Mean follow-up duration starting at treatment initiation was 12.5 months. Patients older than 65 years treated with immunotherapy had a better mean progression-free survival (4.8 vs 3.4 months; P?=?.04) and overall survival (not reached vs 10.1 months; P?=?.009) than younger patients in univariate analysis, and after adjusting on prognosis covariates. This was particularly true with patients treated with anti-programmed cell death protein 1. Common immune-related adverse effects were similar in both cohorts. Conclusions and Relevance:Age might be associated with a better clinical outcome after treatment with immunotherapy in the real-life setting. In our cohort, older patients did not have more immune-related adverse events. Further studies are warranted to confirm our results and describe the underlying mechanisms involved.

Project description:There is an urgent need to identify more accurate prognostic biomarkers in melanoma patients, particularly in those with metastatic disease. This study aimed to identify melanoma and leukocyte surface antigens predictive of survival in a prospective series of AJCC stage IIIb/c melanoma patients (n = 29). Live cell suspensions were prepared from melanoma metastases within lymph nodes (LN). The suspensions were immuno-magnetically separated into CD45(+) (leukocyte) and CD45(-) (non-hematopoietic, enriched melanoma cell) fractions. Surface antigens on CD45(-) and CD45(+) cell populations were profiled using DotScan™ microarrays (Medsaic Pty. Ltd.) and showed differential abundance levels for 52 and 78 antigens respectively. Associations of the surface profiles with clinicopathologic and outcome data (median follow-up 35.4 months post LN resection) were sought using univariate (log-rank test) and multivariate (Wald's test; modelled with patient's age, gender and AJCC staging at LN recurrence) survival models. CD9 (p = 0.036), CD39 (p = 0.004) and CD55 (p = 0.005) on CD45(+) leukocytes were independently associated with distant metastasis-free survival using multivariate analysis. Leukocytes with high CD39 levels were also significantly associated with increased overall survival (OS) in multivariate analysis (p = 0.016). LNs containing leukocytes expressing CD11b (p = 0.025), CD49d (p = 0.043) and CD79b (p = 0.044) were associated with reduced OS on univariate analysis. For enriched melanoma cells (CD45(-) cell populations), 11 surface antigens were significantly correlated with the disease-free interval (DFI) between diagnosis of culprit primary melanoma and LN metastasis resection. Nine antigens on CD45(+) leukocytes also correlated with DFI. Following validation in independent datasets, surface markers identified here should enable more accurate determination of prognosis in stage III melanoma patients and provide better risk stratification of patients entering clinical trials.

Dataset Information

A Simple Implement for Assessing the Survival of Elderly Patients With Melanoma Irradiated for Cerebral Metastases.

Publications

A Simple Implement for Assessing the Survival of Elderly Patients With Melanoma Irradiated for Cerebral Metastases.

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