Open Access

Prognostic factors and skeletal‑related events in patients with bone metastasis from gastric cancer

  • Authors:
    • Yoshinori Imura
    • Daisuke Tateiwa
    • Naotoshi Sugimoto
    • Akitomo Inoue
    • Toru Wakamatsu
    • Hidetatsu Outani
    • Takaaki Tanaka
    • Hironari Tamiya
    • Toshinari Yagi
    • Norifumi Naka
    • Sumiyo Okawa
    • Takahiro Tabuchi
    • Satoshi Takenaka
  • View Affiliations

  • Published online on: July 22, 2020     https://doi.org/10.3892/mco.2020.2101
  • Article Number: 31
  • Copyright: © Imura et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The number of studies on bone metastasis (BM) from gastric cancer (GC) is currently limited. Therefore, the aim of the present study was to investigate the characteristics, skeletal‑related events (SREs) and prognosis of GC in patients with BMs. Data from 60 patients with BMs from GC were retrospectively retrieved and patient‑, tumor‑ and BM‑related characteristics were analyzed. Kaplan‑Meier survival curves were analyzed using the univariate log‑rank test. Multivariate analyses were conducted using the Cox proportional hazards model. The median patient age was 63.5 years (range, 26‑83 years). Visceral or brain metastases were observed at BM diagnosis in 61.7% of the patients. Multiple BMs were detected in 83.3% and SREs occurred in 76.7% of the patients. The median overall survival (OS) after BM diagnosis and SRE occurrence was 9 months (range, 0‑43 months) and 5 months (range, 0‑36 months), respectively. On multivariate analysis, poor Eastern Cooperative Oncology Group performance status (P=0.030), the administration of chemotherapy prior to BM diagnosis (P<0.001) and no chemotherapy after BM diagnosis (P=0.002) were significant prognostic factors for unfavorable OS, whereas the non‑use of bone‑modifying agents (BMAs) was the only independent prognostic factor for poor SRE‑free survival (SRS; P=0.022). Among patients without SREs at BM diagnosis, the median SRS duration was 7 months (range, 0‑43 months). In conclusion, chemotherapy may confer a survival benefit in GC patients with BMs. In addition, the prognosis for GC patients with BMs presenting with SREs is poor, but treatment with BMAs may prevent or delay the development of SREs.
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October-2020
Volume 13 Issue 4

Print ISSN: 2049-9450
Online ISSN:2049-9469

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Spandidos Publications style
Imura Y, Tateiwa D, Sugimoto N, Inoue A, Wakamatsu T, Outani H, Tanaka T, Tamiya H, Yagi T, Naka N, Naka N, et al: Prognostic factors and skeletal‑related events in patients with bone metastasis from gastric cancer. Mol Clin Oncol 13: 31, 2020
APA
Imura, Y., Tateiwa, D., Sugimoto, N., Inoue, A., Wakamatsu, T., Outani, H. ... Takenaka, S. (2020). Prognostic factors and skeletal‑related events in patients with bone metastasis from gastric cancer. Molecular and Clinical Oncology, 13, 31. https://doi.org/10.3892/mco.2020.2101
MLA
Imura, Y., Tateiwa, D., Sugimoto, N., Inoue, A., Wakamatsu, T., Outani, H., Tanaka, T., Tamiya, H., Yagi, T., Naka, N., Okawa, S., Tabuchi, T., Takenaka, S."Prognostic factors and skeletal‑related events in patients with bone metastasis from gastric cancer". Molecular and Clinical Oncology 13.4 (2020): 31.
Chicago
Imura, Y., Tateiwa, D., Sugimoto, N., Inoue, A., Wakamatsu, T., Outani, H., Tanaka, T., Tamiya, H., Yagi, T., Naka, N., Okawa, S., Tabuchi, T., Takenaka, S."Prognostic factors and skeletal‑related events in patients with bone metastasis from gastric cancer". Molecular and Clinical Oncology 13, no. 4 (2020): 31. https://doi.org/10.3892/mco.2020.2101