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EBP Compendium: Summary of Clinical Practice Guideline

American Academy of Neurology; National Parkinson Foundation; Parkinson’s Disease Foundation
Practice Parameter: Neuroprotective Strategies and Alternative Therapies for Parkinson Disease (An Evidence-Based Review)

Suchowersky, O., Gronseth, G., et al. (2006).
Neurology, 66(7), 976–982.

AGREE Rating: Recommended with Provisos


This guideline provides recommendations for the treatment of motor symptoms in Parkinson's disease. The target audience of this guideline is all healthcare professionals involved in the management of individuals with Parkinson's disease, including speech-language pathologists. Recommendations are graded A, B, C, or U based on the strength of supporting evidence. Level A recommendations are based on at least two Class I trials. Level B recommendations are based on one Class I trial or two Class II studies and Level C recommendations are based on one Class II study or two consistent Class III studies. Recommendations based on evidence from uncontrolled studies, case series, case reports, or expert opinion (Level U Evidence) are given when data is inadequate or conflicting. 


  • Treatment
    • Speech
      • General Findings - "For patients with Parkinson's disease complicated by dysarthria, speech therapy may be considered to improve speech volume" (Level C Evidence) (p. 981).

Keywords: Dysarthria, Parkinson's Disease

Access the Guideline

Added to Compendium: November 2010

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