Current Status and Problems of Breast Cancer Treatment with Schizophrenia

Kazuhisa Kaneshiro, Makoto Kubo, Masahiko Taniguchi, Mai Yamada, Yoshihiko Sadakari, Masaya Kai, Chiyo Tsutsumi, Tatsuo Tsukamoto, Naohiro Yoshida, Masaya Tanaka, Toshiro Ogata, Masafumi Nakamura

研究成果: ジャーナルへの寄稿学術誌査読

6 被引用数 (Scopus)


Background: Schizophrenia is a devastating mental disease that affects approximately 1% of the world's population. Breast cancer is the second most common type of cancer in the world that causes death in women. It is often unclear whether patients with schizophrenia receive recommended cancer treatment that met the guideline. This study characterized breast cancer treatment disruptions in schizophrenia patients and sought to identify and resolve correctable predictors of those disruptions. Materials and methods: A retrospective cohort study was conducted on 55 primary breast cancer patients diagnosed with schizophrenia and treated for breast cancer. We evaluated the characteristics of the breast cancer patients with schizophrenia compared to those of 610 breast cancer patients without schizophrenia. Results: Compared to the control group, the schizophrenia group had significantly advanced T and N factors and disease stage. Significantly fewer patients in the schizophrenia group than in the control group received chemotherapy (P < .0001) or recommended cancer treatment (P = .0004). Within the schizophrenia group, the patients in need of ADL support were significantly less likely to receive recommended cancer treatment. Conclusion: Patients with schizophrenia are often diagnosed with breast cancer in advanced stages. In addition, patients with schizophrenia with reduced ADL are less likely to receive chemotherapy or recommended cancer treatment. It is highly recommended that patients with schizophrenia undergo breast cancer screening so that they can be diagnosed early and treated adequately.

ジャーナルClinical Breast Cancer
出版ステータス出版済み - 6月 2022

!!!All Science Journal Classification (ASJC) codes

  • 腫瘍学
  • 癌研究


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