Deferred radiotherapy and upfront procarbazine-ACNU-vincristine administration for 1p19q codeleted oligodendroglial tumors are associated with favorable outcome without compromising patient performance, regardless of WHO grade

研究成果: ジャーナルへの寄稿記事

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抄録

Recently updated phase III trials revealed the favorable effect of add-on procarbazine-lomustine-vincristine chemotherapy (CT) to radiotherapy (RT) in treating anaplastic oligodendrogliomas with 1p19q codeletion (codel). However, the underlying rationality of deferring RT and upfront CT administration for these tumors is yet to be elucidated. Here, we retrospectively analyzed the long-term outcome of our case series with oligodendroglial tumors treated with deferred RT and upfront procarbazine+nimustine+vincristine (PAV) in the introduction administration. We enrolled 36 patients with newly diagnosed oligodendroglial tumors (17, grade II and 19, grade III) treated during 1999-2012 and followed up for a median period of 69.0 months. Their clinical and genetic prognostic factors were analyzed, and progression-free survival, overall survival (OS), and deterioration-free survival (DFS) were evaluated. Regardless of the WHO grade, the 25 patients with 1p19q codel tumors never received RT initially, and of these 25, 23 received PAV treatment upfront. The 75% OS of patients with 1p19q codel tumor was 135.3 months (did not reach the median OS), indicating a favorable outcome. Multivariate analysis revealed that IDH mutation and 1p19q, not WHO grade, are independent prognostic factors; furthermore, IDH and 1p19q status stratified the cohort into 3 groups with significantly different OS. The DFS explained the prolonged survival without declining performance in patients with both grade II and III 1p19q codel tumors. Deferred RT and upfront PAV treatment for 1p19q codel oligodendrogliomas were associated with favorable outcomes without compromising performance status, regardless of WHO grade.

元の言語英語
ページ(範囲)7123-7131
ページ数9
ジャーナルOncoTargets and Therapy
9
DOI
出版物ステータス出版済み - 11 17 2016

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Nimustine
Procarbazine
Vincristine
Radiotherapy
Survival
Neoplasms
Oligodendroglioma
Lomustine
Drug Therapy
Disease-Free Survival
Multivariate Analysis
Mutation
Therapeutics

All Science Journal Classification (ASJC) codes

  • Oncology
  • Pharmacology (medical)

これを引用

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title = "Deferred radiotherapy and upfront procarbazine-ACNU-vincristine administration for 1p19q codeleted oligodendroglial tumors are associated with favorable outcome without compromising patient performance, regardless of WHO grade",
abstract = "Recently updated phase III trials revealed the favorable effect of add-on procarbazine-lomustine-vincristine chemotherapy (CT) to radiotherapy (RT) in treating anaplastic oligodendrogliomas with 1p19q codeletion (codel). However, the underlying rationality of deferring RT and upfront CT administration for these tumors is yet to be elucidated. Here, we retrospectively analyzed the long-term outcome of our case series with oligodendroglial tumors treated with deferred RT and upfront procarbazine+nimustine+vincristine (PAV) in the introduction administration. We enrolled 36 patients with newly diagnosed oligodendroglial tumors (17, grade II and 19, grade III) treated during 1999-2012 and followed up for a median period of 69.0 months. Their clinical and genetic prognostic factors were analyzed, and progression-free survival, overall survival (OS), and deterioration-free survival (DFS) were evaluated. Regardless of the WHO grade, the 25 patients with 1p19q codel tumors never received RT initially, and of these 25, 23 received PAV treatment upfront. The 75{\%} OS of patients with 1p19q codel tumor was 135.3 months (did not reach the median OS), indicating a favorable outcome. Multivariate analysis revealed that IDH mutation and 1p19q, not WHO grade, are independent prognostic factors; furthermore, IDH and 1p19q status stratified the cohort into 3 groups with significantly different OS. The DFS explained the prolonged survival without declining performance in patients with both grade II and III 1p19q codel tumors. Deferred RT and upfront PAV treatment for 1p19q codel oligodendrogliomas were associated with favorable outcomes without compromising performance status, regardless of WHO grade.",
author = "Nobuhiro Hata and Koji Yoshimoto and Ryusuke Hatae and Daisuke Kuga and Yojiro Akagi and Suzuki, {Satoshi O.} and Toru Iwaki and Tadahisa Shono and Masahiro Mizoguchi and Koji Iihara",
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T1 - Deferred radiotherapy and upfront procarbazine-ACNU-vincristine administration for 1p19q codeleted oligodendroglial tumors are associated with favorable outcome without compromising patient performance, regardless of WHO grade

AU - Hata, Nobuhiro

AU - Yoshimoto, Koji

AU - Hatae, Ryusuke

AU - Kuga, Daisuke

AU - Akagi, Yojiro

AU - Suzuki, Satoshi O.

AU - Iwaki, Toru

AU - Shono, Tadahisa

AU - Mizoguchi, Masahiro

AU - Iihara, Koji

PY - 2016/11/17

Y1 - 2016/11/17

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