4.6 Article

Characteristics of the treatments for each severity of major depressive disorder: A real-world multi-site study

Journal

ASIAN JOURNAL OF PSYCHIATRY
Volume 74, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.ajp.2022.103174

Keywords

Depression; Severity; ECT; Guideline; EGUIDE

Categories

Funding

  1. Japan Agency for Medical Research and Development (AMED) [JP16dk0307060]
  2. AMED [JP19dk0307083]
  3. Health and Labor Sciences Research Grants [H29-Seishin-Ippan-001, 19GC1201]
  4. Japanese Society of Neuropsychopharmacology
  5. Japanese Society of Clinical Neuro-psycho-pharmacology

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This study investigated the treatment approaches based on the severity of major depressive disorder (MDD) in real-world clinical practice. The findings revealed a decrease in the use of psychotropics with increasing severity of MDD, while a combination of antipsychotics and antidepressants and the implementation rate of modified electroconvulsive therapy (m-ECT) increased. However, the study also highlighted the existence of an evidence-practice gap in the treatment of MDD in Japan.
Purpose: In the treatment guidelines for major depressive disorder (MDD), the recommended treatment differs based on the severity. However, the type of treatment provided based on the severity of MDD in real-world clinical practice has not been investigated. In this study, we clarified the actual situation of MDD treatment in clinical practice and compared the treatment based on the severity of MDD. Methods: We used data from 1484 patients with MDD at discharge from October 2016 to March 2020. Results: The number of psychotropic prescriptions tended to be lower in those diagnosed with MDD in the severe group compared to in the non-severe group. There were significant differences among the three groups (mild, moderate/severe, and psychotic) in the percentage of patients who were not prescribed antipsychotics (p = 1.9 x10(-6)), a combination of antipsychotics and antidepressants (p = 5.0 x10(-4)), and the implementation rate of modified electroconvulsive therapy (m-ECT) (p = 3.4 x10(-9)). The percentage of patients with a severe diagnosis who underwent m-ECT was higher, which corresponded to the severity. Conclusion: Our findings showed that the use of psychotropics decreased when the severity of MDD was diag-nosed, and the rate of a combination of antipsychotics and antidepressants and the implementation rate of m-ECT increased with the severity. However, this study suggests that there is still an evidence-practice gap in the treatment of MDD in Japan, and guidelines are only partially adhered to in the treatment of depression.

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