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Successful change of treatment strategy in elderly patients with primary central nervous system lymphoma by de-escalating induction and introducing temozolomide maintenance: results from a phase 2 study by The Nordic Lymphoma Group.

Pulczynski, Elisa J ; Kuittinen, Outi ; Erlanson, Martin ; Hagberg, Hans ; Fosså, Alexander ; Eriksson, Mikael LU orcid ; Nordstrøm, Marie ; Ostenstad, Bjørn ; Fluge, Oystein and Leppä, Sirpa , et al. (2015) In Haematologica 100(4). p.534-540
Abstract
Background: Nordic Lymphoma Group has conducted a phase ll trial in primary central nervous system lymphoma patients applying age-adjusted multi-agent immunochemotherapy regimen, which in elderly patients included temozolomide maintenance treatment. Design and Methods: Patients with newly diagnosed PCNSL aged 18-75 years were eligible. Sixty-six patients (median age 64 years) were enrolled. Two age groups were predefined as those of 18-65 and 66-75 years of age. Results: The overall response rate was 90.8 %. With a median follow-up of 22 months, the 2-year overall survival probability was 60.7 % in patients < 65 years and 55.6% in patients > 65 years (p= 0.40). The estimated progression-free survival at 2 years was 33.1% (CI:... (More)
Background: Nordic Lymphoma Group has conducted a phase ll trial in primary central nervous system lymphoma patients applying age-adjusted multi-agent immunochemotherapy regimen, which in elderly patients included temozolomide maintenance treatment. Design and Methods: Patients with newly diagnosed PCNSL aged 18-75 years were eligible. Sixty-six patients (median age 64 years) were enrolled. Two age groups were predefined as those of 18-65 and 66-75 years of age. Results: The overall response rate was 90.8 %. With a median follow-up of 22 months, the 2-year overall survival probability was 60.7 % in patients < 65 years and 55.6% in patients > 65 years (p= 0.40). The estimated progression-free survival at 2 years was 33.1% (CI: 19.1%-47.9%) in patients < 65 years and 44.4% (CI: 25.6%-61.8%) in the elderly subgroup (p=0.74). Median duration of response was 10 months in the younger, not reached in the elderly patients (p=0.33). Four patients aged 64-75 years (6 %) died from treatment related complications. Conclusion: Survival in the two age groups was similar despite a de-escalation of induction treatment in patients > 65 years. Duration of response in elderly patients receiving maintenance temozolomide was longer than in the younger age subgroup. While toxicity during induction is still of concern especially in the elderly patients we conclude from these data that de-escalation of induction therapy in elderly PCNSL patients followed by maintenance treatment seems to be a promising treatment strategy. Trial registration: ClinicalTrials.gov number NCT01458730. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Haematologica
volume
100
issue
4
pages
534 - 540
publisher
Ferrata Storti Foundation
external identifiers
  • pmid:25480497
  • wos:000354786300029
  • scopus:84926376781
  • pmid:25480497
ISSN
1592-8721
DOI
10.3324/haematol.2014.108472
language
English
LU publication?
yes
id
efacecaa-563d-4ffa-bf75-d00dbea9ccdd (old id 4909609)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/25480497?dopt=Abstract
date added to LUP
2016-04-01 10:45:15
date last changed
2022-04-20 05:46:23
@article{efacecaa-563d-4ffa-bf75-d00dbea9ccdd,
  abstract     = {{Background: Nordic Lymphoma Group has conducted a phase ll trial in primary central nervous system lymphoma patients applying age-adjusted multi-agent immunochemotherapy regimen, which in elderly patients included temozolomide maintenance treatment. Design and Methods: Patients with newly diagnosed PCNSL aged 18-75 years were eligible. Sixty-six patients (median age 64 years) were enrolled. Two age groups were predefined as those of 18-65 and 66-75 years of age. Results: The overall response rate was 90.8 %. With a median follow-up of 22 months, the 2-year overall survival probability was 60.7 % in patients &lt; 65 years and 55.6% in patients &gt; 65 years (p= 0.40). The estimated progression-free survival at 2 years was 33.1% (CI: 19.1%-47.9%) in patients &lt; 65 years and 44.4% (CI: 25.6%-61.8%) in the elderly subgroup (p=0.74). Median duration of response was 10 months in the younger, not reached in the elderly patients (p=0.33). Four patients aged 64-75 years (6 %) died from treatment related complications. Conclusion: Survival in the two age groups was similar despite a de-escalation of induction treatment in patients &gt; 65 years. Duration of response in elderly patients receiving maintenance temozolomide was longer than in the younger age subgroup. While toxicity during induction is still of concern especially in the elderly patients we conclude from these data that de-escalation of induction therapy in elderly PCNSL patients followed by maintenance treatment seems to be a promising treatment strategy. Trial registration: ClinicalTrials.gov number NCT01458730.}},
  author       = {{Pulczynski, Elisa J and Kuittinen, Outi and Erlanson, Martin and Hagberg, Hans and Fosså, Alexander and Eriksson, Mikael and Nordstrøm, Marie and Ostenstad, Bjørn and Fluge, Oystein and Leppä, Sirpa and Fiirgaard, Bente and Bersvendsen, Hanne and Fagerli, Unn-Merete}},
  issn         = {{1592-8721}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{534--540}},
  publisher    = {{Ferrata Storti Foundation}},
  series       = {{Haematologica}},
  title        = {{Successful change of treatment strategy in elderly patients with primary central nervous system lymphoma by de-escalating induction and introducing temozolomide maintenance: results from a phase 2 study by The Nordic Lymphoma Group.}},
  url          = {{http://dx.doi.org/10.3324/haematol.2014.108472}},
  doi          = {{10.3324/haematol.2014.108472}},
  volume       = {{100}},
  year         = {{2015}},
}