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Cumulative incidence rates for CNS and non-CNS progression in two phase II studies of alectinib in ALK-positive NSCLC

  • Shirish Gadgeel*
  • , Alice T. Shaw
  • , Fabrice Barlesi
  • , Lucio Crinò
  • , James Chih Hsin Yang
  • , Anne Marie C. Dingemans
  • , Dong Wan Kim
  • , Filippo De Marinis
  • , Mathias Schulz
  • , Shiyao Liu
  • , Ravindra Gupta
  • , Ahmed Kotb
  • , Sai Hong Ignatius Ou
  • *Corresponding author for this work
  • University of Michigan, Ann Arbor
  • Massachusetts General Hospital
  • Aix-Marseille Université
  • IRCCS Istituto scientifico romagnolo per lo studio e la cura dei tumori - Meldola (FC)
  • National Taiwan University
  • Seoul National University
  • IRCCS Istituto Europeo di Oncologia - Milano
  • Genentech Incorporated
  • F. Hoffmann-La Roche AG
  • University of California at Irvine
  • Maastricht University

Research output: Contribution to journalArticleAcademicpeer-review

23 Citations (Scopus)
37 Downloads (Pure)

Abstract

Background:
We evaluated the cumulative incidence rate (CIR) of central nervous system (CNS) and non-CNS progression in alectinib-treated patients with anaplastic lymphoma kinase (ALK)-positive non-small-cell lung cancer (NSCLC) to determine the extent to which alectinib may treat or control CNS disease.

Methods:
Patients with crizotinib-pretreated locally advanced or metastatic disease received alectinib 600 mg orally twice daily in two phase II trials. All patients underwent baseline imaging and regular centrally reviewed scans.

Results:
At 24 months, the CIR for CNS progression was lower in patients without vs with baseline CNS metastases (8.0 vs 43.9%). Patients with baseline CNS disease and prior radiotherapy had a higher CIR of CNS progression than radiotherapy-naive patients (50.5 vs 27.4%) and a lower CIR of non-CNS progression (25.8 vs 42.5%). Adverse events leading to withdrawal occurred in 5.9% and 6.7% of patients with and without baseline CNS metastases, respectively.

Conclusions:
This analysis indicates a potential role for alectinib in controlling and preventing CNS metastases.

Original languageEnglish
Pages (from-to)38-42
Number of pages5
JournalBritish Journal of Cancer
Volume118
Issue number1
DOIs
Publication statusPublished - 16 Nov 2017
Externally publishedYes

Bibliographical note

Funding Information:
SG has participated in advisory boards for Genentech/Roche, Ariad, Pfizer, and Bristol-Myers Squibb, and received honoraria for non-branded presentations for Genentech/Roche; ATS has participated in advisory boards for Pfizer, Novartis, Roche/Genentech, Ariad, Blueprint Medicines, Loxo, and EMD Serono, and received honoraria for non-branded presentations for Pfizer, Novartis, Genentech/Roche, Ignyta, Taiho and Foundation Medicine; FB has participated in advisory boards for Genentech/Roche, Novartis, and Pfizer, and received honoraria for non-branded presentations for Genentech/Roche and Novartis; LC has received honoraria from AstraZeneca, Boehringer Ingelheim, Bristol-Myers Squibb, and Pfizer; JC-HY has participated in compensated advisory boards for Boehringer Ingelheim, Eli Lilly, Bayer, Roche/Genen-tech/Chugai, Astellas, MSD, Merck Serono, Pfizer, Novartis, Clovis Oncology, Celgene, Merrimack, Yuhan Pharmaceuticals, Bristol-Myers Squibb, and Ono Pharmaceutical, and in an uncompensated advisory board for AstraZeneca; A-MCD has participated in advisory boards for Genentech/Roche, Pfizer, Eli Lilly, Clovis, and MSD, and received honoraria for non-branded presentations for Genentech/Roche and AstraZeneca (paid to her institute); D-WK has no conflict of interest to disclose; FdM has participated in advisory boards for Genentech/Roche, Boehringer, and Novartis, and received honoraria for non-branded presentations from Genentech/Roche, AstraZeneca, Bristol-Mayer Squibb, and Pfizer; MS is an employee of Genentech and owns Roche stocks; SL and RG are employees of Genentech and own shares in the company; AK is an employee of F. Hoffmann-La Roche Ltd and owns shares in the company; S-HIO has acted in a consulting or advisory role to ARIAD, AstraZeneca, Boehringer Ingelheim, Novartis, and Roche, and participated in Speaker Bureaus for AstraZeneca, Boehringer Ingelheim, and Roche/Genentech.

Funding Information:
We thank the patients, their families, and the participating centres for both studies. Third-party medical writing assistance, under the direction of the authors, was provided by Fiona Fernando of Gardiner-Caldwell Communications and funded by F. Hoffmann-La Roche 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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