Clinical features and outcomes of patients with primary myelofibrosis in Japan: report of a 17-year nationwide survey by the Idiopathic Disorders of Hematopoietic Organs Research Committee of Japan

Katsuto Takenaka, Kazuya Shimoda, Naoyuki Uchida, Taizo Shimomura, Koji Nagafuji, Tadakazu Kondo, Hirohiko Shibayama, Takehiko Mori, Kensuke Usuki, Taichi Azuma, Yutaka Tsutsumi, Junji Tanaka, Hitomi Dairaku, Keitaro Matsuo, Keiya Ozawa, Mineo Kurokawa, Shunya Arai, Koichi Akashi

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We conducted a 17-year nationwide survey (1999–2015) to elucidate the clinical outcomes of patients with primary myelofibrosis (PMF) in Japan. Questionnaires were sent annually to approximately 500 hematology departments. Newly diagnosed patients with PMF were enrolled in this study, and were followed up annually to collect prognostic information. Approximately 50 patients were enrolled per year, yielding a total of 780 patients with PMF included in this study. The median age at diagnosis was 66 years. At the time of analysis, the median survival duration was 47 months, and the 3-year overall survival rate was 59 %. Infection and disease transformation into acute leukemia were the most frequent causes of death. Of the proposed prognostic models for predicting the outcomes of PMF patients in Japan, the Dynamic International Prognostic Scoring System of PMF plus model was the most feasible. Forty-three patients received allogeneic hematopoietic stem cell transplantation (alloSCT) at a median of 343 days after diagnosis. This treatment significantly prolonged the survival of PMF patients, and the 3-year overall survival rate after first alloSCT was 84 %. A long-term registration study is required for further evaluation of prognosis and the impact of treatments on survival.

元の言語英語
ページ(範囲)59-69
ページ数11
ジャーナルInternational journal of hematology
105
発行部数1
DOI
出版物ステータス出版済み - 1 1 2017

All Science Journal Classification (ASJC) codes

  • Hematology

フィンガープリント Clinical features and outcomes of patients with primary myelofibrosis in Japan: report of a 17-year nationwide survey by the Idiopathic Disorders of Hematopoietic Organs Research Committee of Japan' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

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    Takenaka, K., Shimoda, K., Uchida, N., Shimomura, T., Nagafuji, K., Kondo, T., Shibayama, H., Mori, T., Usuki, K., Azuma, T., Tsutsumi, Y., Tanaka, J., Dairaku, H., Matsuo, K., Ozawa, K., Kurokawa, M., Arai, S., & Akashi, K. (2017). Clinical features and outcomes of patients with primary myelofibrosis in Japan: report of a 17-year nationwide survey by the Idiopathic Disorders of Hematopoietic Organs Research Committee of Japan. International journal of hematology, 105(1), 59-69. https://doi.org/10.1007/s12185-016-2102-3