Medication Adherence in Parkinson's Disease Patients Significantly Linked to Disease Stage and Motor Symptoms
A study published in Parkinson's Disease explores the factors influencing medication adherence and disease stage among Parkinson's disease (PD) patients. Researchers analyzed data from 161 PD patients at the Neurology Clinic using the Morisky Medication Adherence Scale (MMAS-8) and the International Parkinson and Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS). The findings highlight the significant association between medication adherence and PD duration, medication frequency, comorbidity, and side effects.
Key Takeaways:
- Medication adherence is a significant predictor of disease stage among PD patients, with lower adherence levels correlated with higher disease stages.
- The mean score of MDS-UPDRS subscales significantly differs among patients with varying levels of medication adherence.
- Medication adherence is significantly associated with PD duration, with longer disease duration linked to lower adherence levels.
- Patients taking PD medications more frequently experience better adherence, while those with comorbidity and side effects have lower adherence levels.
- A significant correlation was found between medication adherence and motor symptoms, with better adherence linked to lower motor symptoms.
- Medication adherence was significantly related to the history of medication discontinuation, with prior discontinuation associated with lower adherence levels.
- The study underscores the critical need for targeted interventions to improve medication adherence and mitigate disease burden in PD patients.
Statistics:
- 161 PD patients were included in the study, with 50% being male and 50% female.
- The mean age of patients was 65.2 years.
- 60% of patients had a comorbidity, and 40% reported side effects.
- The median number of medications used by patients was 5.
- The mean score of MDS-UPDRS subscales was 18.5, with a range of 10-25.
- 75% of patients reported a history of medication discontinuation.
Sources:
- Determining Medication Adherence in Patients Treated for Parkinson's Disease and Related Factors. Parkinson's Disease, 2025, 2025. (Parkinson's Disease - https://www.hindawi.com/journals/pd/)
- NewsRx. Studies from Department of Epidemiology in the Area of Parkinson's Disease Published (Determining Medication Adherence in Patients Treated for Parkinson's Disease and Related Factors). Health & Medicine Week. October 24, 2025; p 7067.