Survival outcomes of patients with advanced melanoma from 2013 to 2017: Results of a nationwide population-based registry

  • M.C.T. van Zeijl
  • , L.C. de Wreede
  • , A.J.M. van den Eertwegh
  • , M.W.J.M. Wouters
  • , A. Jochems
  • , M.G. Schouwenburg
  • , M.J.B. Aarts
  • , A.C.J. van Akkooi
  • , F.W.P.J. van den Berkmortel
  • , J.W.B. de Groot
  • , G.A.P. Hospers
  • , E. Kapiteijn
  • , D. Piersma
  • , R.S. van Rijn
  • , K.P.M. Suijkerbuijk
  • , A.J. Ten Tije
  • , A.A.M. van der Veldt
  • , G. Vreugdenhil
  • , J.J.M. van der Hoeven
  • , J.B.A.G. Haanen*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Background: The treatment landscape has completely changed for advanced melanoma. We report survival outcomes and the differential impact of prognostic factors over time in daily clinical practice.Methods: From a Dutch nationwide population-based registry, patients with advanced melanoma diagnosed from 2013 to 2017 were analysed (n = 3616). Because the proportional hazards assumption was violated, a multivariable Cox model restricted to the first 6 months and a multivariable landmark Cox model from 6 to 48 months were used to assess overall survival (OS) of cases without missing values. The 2017 cohort was excluded from this analysis because of the short follow-up time.Results: Median OS of the 2013 and 2016 cohort was 11.7 months (95% confidence interval [CI]: 10.4-13.5) and 17.7 months (95% CI: 14.9-19.8), respectively. Compared with the 2013 cohort, the 2016 cohort had superior survival in the Cox model from 0 to 6 months (hazard ratio [HR] = 0.55 [95% CI: 0.43-0.72]) and in the Cox model from 6 to 48 months (HR = 0.68 [95% CI: 0.57-0.83]). Elevated lactate dehydrogenase levels, distant metastases in >= 3 organ sites, brain and liver metastasis and Eastern Cooperative Oncology Group performance score of >= 1 had stronger association with inferior survival from 0 to 6 months than from 6 to 48 months. BRAF-mutated melanoma had superior survival in the first 6 months (HR = 0.50 [95% CI: 0.42-0.59]).Conclusion(s): Prognosis for advanced melanoma in the Netherlands has improved from 2013 to 2016. Prognostic importance of most evaluated factors was higher in the first 6 months after diagnosis. BRAF-mutated melanoma was only associated with superior survival in the first 6 months. (C) 2020 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)242-251
Number of pages10
JournalEuropean Journal of Cancer
Volume144
DOIs
Publication statusPublished - 1 Feb 2021

Keywords

  • advanced melanoma
  • combined nivolumab
  • double-blind
  • immunotherapy
  • ipilimumab
  • iv melanoma
  • metastatic melanoma
  • nationwide
  • pembrolizumab
  • phase-iii trials
  • pooled analysis
  • population-based
  • progression-free
  • real-world
  • targeted therapy
  • vemurafenib
  • Targeted therapy
  • Real-world
  • Advanced melanoma
  • Nationwide
  • METASTATIC MELANOMA
  • Population-based
  • Immunotherapy
  • IV MELANOMA
  • POOLED ANALYSIS
  • VEMURAFENIB
  • COMBINED NIVOLUMAB
  • PEMBROLIZUMAB
  • DOUBLE-BLIND
  • PROGRESSION-FREE
  • PHASE-III TRIALS
  • IPILIMUMAB

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