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Poster display

3540 - Correlation between baseline characteristics and clinical outcome of patients with advanced melanoma treated with pembrolizumab (PEMBRO)


09 Oct 2016


Poster display


Yanina Jansen


Annals of Oncology (2016) 27 (6): 379-400. 10.1093/annonc/mdw379


Y. Jansen1, E..A. Rozeman2, L. Højberg3, M. Geukes Foppen4, M. Schreuer5, J.V. van Thienen6, L. Bastholt7, H. Schmidt8, J.B.A.G. Haanen9, I.M. Svane10, A.M. Arance Fernandez11, C.U. Blank12, B. Neyns13

Author affiliations

  • 1 Oncology, UZ Brussel, 1090 - Brussels/BE
  • 2 Immunology And Medical Oncology, Het Nederlands Kanker Instituut Antoni van Leeuwenhoek (NKI-AVL), 1006 BE - Amsterdam/NL
  • 3 Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen/DK
  • 4 Medical Oncology, Het Nederlands Kanker Instituut Antoni van Leeuwenhoek (NKI-AVL), Amsterdam/NL
  • 5 Medical Oncology, UZ Brussel, 1090 - Brussels/BE
  • 6 Department Of Medical Oncology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, 1066 CX - Amsterdam/NL
  • 7 Onkologisk Afdeling R, Odense University Hospital, 5000 - Odense C/DK
  • 8 Dept. Of Oncology, Aarhus University Hospital, DK-8000 - Aarhus C/DK
  • 9 Department Of Medical Oncology, The Netherlands Cancer Institute, 1066 CX - Amsterdam/NL
  • 10 Department Of Hematology And Oncology, Center for Cancer Immune Therapy, Herlev University Hospital, 2730 - Herlev/DK
  • 11 Oncology, Hospital de Barcelona, Barcelona/ES
  • 12 Dept Medical Oncology, The Netherlands Cancer Institute, 1066CX - Amsterdam/NL
  • 13 Medical Oncology, Vrije Universiteit Brussel-Campus Jette, 1090 - Brussels/BE


Abstract 3540


The PD-1 blocking mAb pembrolizumab (PEMBRO) is approved for the treatment of patients (pts) with advanced melanoma. Correlation between baseline characteristics and outcome of pts treated outside of a prospective clinical trial has not been established.


Using Kaplan-Meier statistics, log-rank testing and multivariate Cox-regression analysis, correlations were investigated between baseline variables and PFS and OS in pts with advanced melanoma who received PEMBRO outside a clinical trial. An independent confirmatory cohort (CC) of pts from the Netherlands and Spain served to confirm correlations found in an exploratory Belgian cohort (EC). Additional data from 180 Scandinavian pts are being collected.


All pts in the EC (N = 123) and CC (N = 165) received at least one administration of PEMBRO (2 mg/kg q3wks). Baseline characteristics of the total cohort (TC) (N = 288) were: median age 60y (range 27-93); 49% Male; 61% performance score (PS) 0; primary site: 80% skin, 15% UKN, 4% mucosal; 49% BRAF V600mut; 76% AJCC stage IV-M1c; 29% brain metastases; 82% pretreated; 48% CRP >ULN; 33% LDH >ULN; 16% absolute lymphocyte count (ALC)  1.5ULN, CRP > 5xULN or ALC  1.5ULN with a typical “lower PFS plateau" beyond 30 wks. All pts with a baseline ALC  1.5xULN and CRP > 5xULN as independent unfavorable prognostic factors for PFS/OS.


While confirming encouraging survival outcome of advanced melanoma patients treated with PEMBRO outside a clinical trial setting, significant correlations were found between baseline PS, ALC, LDH, CRP and survival.

Clinical trial identification


Legal entity responsible for the study

UZ Brussel


UZ Brussel, NKI AVL


J.V. van Thienen: advisory role Bristol-Myers-Squibb and MSD. J.B.A.G. Haanen: advisory role: MSD, Pfizer, Bristol-Myers-Squibb, Novartis, Neon Therapeutics and Roche/Genentech. Research grant: MSD, BMS, GSK. C. Blank: advisory role: MSD, Pfizer, Bristol-Myers-Squibb, Novartis, GSK, Roche/Genentech, Lilly. Research grant: Novartis. B. Neyns: Personal compensation: Roche, Bristol-Myers Squibb, Merck Sharp & Dohme, Novartis, AstraZeneca, CryoStorage for public speaking, consultancy and participation in advisory board meetings. All other authors have declared no conflicts of interest.

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