Systematic review on factors associated with medication non-adherence in Parkinson's disease

David James Daley, Phyo Kyaw Myint, Richard John Gray, Katherine Helen O'Leary Deane

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

BACKGROUND: Medication non-adherence is prevalent in Parkinson's disease (PD) and results in substantial motor dysfunction. Although various approaches have been suggested to address non-adherence in PD, good quality evidence of associated factors is limited.

OBJECTIVE: To systematically review the literature on clinical and demographic factors associated with medication non-adherence in PD.

METHODS: We searched five online databases in April 2011 (updated in January 2012): MEDLINE, EMBASE, AMED, PsycINFO and CINAHL for studies reporting data on factors associated with medication non-adherence in people with idiopathic PD. Bibliographies were hand searched to acquire records not identified electronically. Two reviewers independently assessed identified articles for potential inclusion. Data extraction was undertaken using a standardised data extraction form. Methodological quality was assessed against a specially designed quality indicator tool emphasising the detection of threats to internal validity.

RESULTS: We identified 1880 records of which six met inclusion criteria. A total of 772 PD patients were included (mean age 62 years, males 61%). We identified eleven factors (six clinical and five demographic) associated with non-adherence. We ranked each factor in order by weight of overall evidence: mood disorders, cognition, poor symptom control/QoL, younger age/longer disease duration, regimen complexity/polypharmacy, risk taking behaviours, poor knowledge of PD/education, lack of spouse/partner, low income, maintaining employment and gender.

CONCLUSION: Clinicians should be aware of factors associated with medication non-adherence in PD. Targeted interventions should be developed and investigated to establish if addressing factors associated with non-adherence in PD leads to greater medication adherence.

Original languageEnglish
Pages (from-to)1053-1061
Number of pages9
JournalParkinsonism & Related Disorders
Volume18
Issue number10
DOIs
Publication statusPublished - Dec 2012

Keywords

  • antiparkinson agents
  • humans
  • medication adherence
  • outpatients
  • Parkinson disease
  • prevalence
  • risk factors

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