The outcome of chemotherapy for metastatic extramammary paget’s disease

Hiroki Hashimoto, Yumiko Kaku-Ito, Masutaka Furue, Takamichi Ito

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3 Citations (Scopus)

Abstract

The efficacy and survival impact of conventional chemotherapies for metastatic extra-mammary Paget’s disease (EMPD) have not been fully elucidated. This study examined the long-term outcome of chemotherapy for this indication. We conducted a retrospective review of 21 patients with distant metastatic EMPD (14 patients treated with chemotherapy and 7 patients treated without chemotherapy). The response rate of chemotherapy and patient survival were statistically analyzed. Among the 14 patients treated with chemotherapy, 12, 1, and 1 patient received docetaxel, paclitaxel, and low-dose 5-fluorouracil plus cisplatin, respectively, as the first-line treatment. The response rate was 50.0% (7/14), and the disease control rate was 64.3% (9/14). The median progres-sion-free survival (PFS) and overall survival (OS) were 16.8 and 27.9 months, respectively. Multi-variate analyses revealed that chemotherapy was a significant factor for prolonged PFS (hazard ratio (HR) 0.22, p = 0.038) but not for OS (HR = 1.71, p = 0.54). Ten patients (71.4%) had severe (grade 3 or 4) hematological adverse events. Although conventional chemotherapy improved PFS, we failed to show a significantly improved OS. Considering the frequent adverse events of conventional chem-otherapy, targeted therapy may become a mainstay for the treatment of metastatic EMPD.

Original languageEnglish
Article number739
Pages (from-to)1-15
Number of pages15
JournalJournal of Clinical Medicine
Volume10
Issue number4
DOIs
Publication statusPublished - Feb 2 2021

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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