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Development of symptomatic brain metastases after chemoradiotherapy for stage III non-small cell lung cancer: Does the type of chemotherapy regimen matter?

  • Lizza E.L. Hendriks*
  • , Anita J.W.M. Brouns
  • , Mohammad Amini
  • , Wilma Uyterlinde
  • , Robin Wijsman
  • , Jan Bussink
  • , Bonne Biesma
  • , S. Bing Oei
  • , Jos A. Stigt
  • , Gerben P. Bootsma
  • , José S.A. Belderbos
  • , Dirk K.M. De Ruysscher
  • , Michel M. Van den Heuvel
  • , Anne Marie C. Dingemans
  • *Corresponding author for this work
  • Maastricht University
  • Zuyderland Medical Center (Heerlen)
  • Jeroen Bosch Ziekenhuis
  • The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital
  • Radboud University Medical Center
  • Dr. Bernard Verbeeten Instituut
  • Isala Clinics

Research output: Contribution to journalArticleAcademicpeer-review

13 Citations (Scopus)
27 Downloads (Pure)

Abstract

Objectives:

Symptomatic brain metastases (BM) occur frequently after chemoradiotherapy (CRT) for stage III NSCLC. Aim of the current study was to determine whether the specific chemotherapy used in a CRT regimen influences BM development. 

Materials and methods:

Retrospective multicenter study including all consecutive stage III NSCLC who completed CRT. Primary endpoints: symptomatic BM development, whether this was the only site of first relapse. Differences between regimens were assessed with a logistic regression model including known BM risk factors and the specific chemotherapy: concurrent versus sequential (cCRT/sCRT), within cCRT: daily low dose cisplatin (LDC)-cyclic dose polychemotherapy; LDC-(non-)taxane cyclic dose; LDC–polychemotherapy subgroups of ≥50 patients. 

Results:

Between January 2006 and June 2014, 838 patients were eligible (737 cCRT, 101 sCRT). 18.2% developed symptomatic BM, 8.0% had BM as only site of first relapse. BM patients were significantly younger, female, had more advanced N-stage and had adenocarcinoma histology. In both cCRT and sCRT BM were found in 18% (p = 0.904). In cyclic dose cCRT (N = 346) and LDC (N = 391) BM were found in 18.8% and 17.9%, respectively (p = 0.757). In 7.2% and 8.7%, respectively, BM were the only site of first relapse (p = 0.463). The chemotherapy used (cCRT versus sCRT) had no influence on BM development, not for all brain relapses nor as only site of first relapse (OR 0.88 (p = 0.669), OR 0.93 (p = 0.855), respectively). LDC versus cyclic dose cCRT was not significantly different: neither for all brain relapses nor as only site of first relapse (OR 0.96 (p = 0.819), OR 1.21 (p = 0.498), respectively). Comparable results were found for LDC versus cyclic dose non-taxane (N = 277) and cyclic dose taxane regimens (N = 69) and for cCRT regimens with ≥50 patients (LDC versus cisplatin/etoposide (N = 188), cisplatin/vinorelbin (N = 65), weekly cisplatin/docetaxel (N = 60)). 

Conclusion:

approximately 18% developed symptomatic BM after stage III diagnosis, not dependent on type of chemotherapy regimen used within a CRT treatment.

Original languageEnglish
Pages (from-to)68-75
Number of pages8
JournalLung Cancer
Volume101
DOIs
Publication statusPublished - Nov 2016
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Ireland Ltd

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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