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Association between functional recovery and medication adherence in schizophrenia
Junpei Ishii1, Fumitoshi Kodaka1, Hisatsugu Miyata1
1Department of Psychiatry, Jikei University School of Medicine, Tokyo, Japan.
Neuropsychopharmacology Reports
|October 5, 2022
Summary
Patient attitudes toward medication, specifically their "impression of medication," significantly predict recovery from schizophrenia. This finding highlights the importance of subjective medication experiences in treatment outcomes for schizophrenia patients.
Area of Science:
- Psychiatry and Mental Health
- Clinical Psychology
- Neuroscience
Background:
- Medication adherence is crucial for functional recovery in schizophrenia.
- The Drug Attitude Inventory-30 (DAI-30) is a common tool for assessing adherence.
- DAI-30 subscales, including 'impression of medication,' offer nuanced insights into patient perspectives.
Purpose of the Study:
- To investigate the association between DAI-30 subscales and schizophrenia prognosis.
- To identify which DAI-30 subscales predict recovery in patients with schizophrenia.
Main Methods:
- Recruited 89 patients with schizophrenia, with 78 completing the study.
- Assessed medication adherence using the DAI-30 at baseline.
- Measured functional prognosis using the Positive and Negative Syndrome Scale and Global Assessment of Functioning at 0 and 24 weeks.
Main Results:
- 36% of patients achieved recovery after 24 weeks.
- The 'impression of medication' subscale score was significantly higher in the recovery group.
- Logistic regression confirmed 'impression of medication' as the sole predictor of recovery.
Conclusions:
- The 'impression of medication' subscale of the DAI-30 is strongly linked to recovery in schizophrenia.
- Subjective patient attitudes towards medication play a vital role in treatment success for schizophrenia.
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