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  • Print publication year: 2008
  • Online publication date: May 2010

Ropinirole 24-h Prolonged Release in Advanced Parkinson Disease: Review of a Randomized, Double-Blind, Placebo-Controlled Study (EASE PD-Adjunct Study)

Summary

ABSTRACT

This chapter reviews the EASE PD – Adjunct trial which is a double-blind, placebo-controlled, 24-week study of 393 Parkinson disease (PD) subjects with levodopa-induced motor fluctuations randomized to ropinirole 24-h prolonged release or placebo. The objective of the trial was to assess the efficacy and tolerability of once daily ropinirole 24-h prolonged release as an adjunct to levodopa. The primary outcome variable was the reduction in daily “off” time as measured by subject diaries which was significantly reduced by 2.1 h with ropinirole 24-h prolonged release (mean dosage: 18.8mg/day) compared to 0.3 h with placebo. There were also significant improvements in daily “on” time, “on” time without troublesome dyskinesia, Unified Parkinson's Disease Rating Scale (UPDRS) motor and activities of daily living subscales, depression, quality of life and sleep with ropinirole 24-h prolonged release compared to placebo. The most common adverse events with ropinirole 24-h prolonged release were dyskinesia, nausea, dizziness, somnolence, hallucinations and orthostatic hypotension. Ropinirole 24-h prolonged release was well tolerated and led to improvements in both motor and non-motor symptoms of PD.

Key words: motor complications, Parkinson disease, ropinirole prolonged release.

Introduction and Overview

Parkinson disease (PD) is a neurodegenerative disorder with the primary symptoms of bradykinesia, tremor and rigidity. Initially, PD symptoms are generally well controlled (Miyasaki et al., 2002); however, as the disease progresses, increased dopaminergic treatment is necessary and often leads to the development of motor fluctuations (Pahwa et al., 2006).

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