期刊
EXPERT REVIEW OF CLINICAL PHARMACOLOGY
卷 7, 期 6, 页码 761-777出版社
TAYLOR & FRANCIS LTD
DOI: 10.1586/17512433.2014.966812
关键词
adenosine; adrenergic; amantadine; intrajejunal infusion of levodopa/carbidopa; levodopa-induced dyskinesia; long-acting dopamine agonists; motor fluctuations; Parkinson's disease; safinamide
资金
- Astra Zeneca
- Avanir
- Eisai
- Kyowa
- Merz
- Merck Serono
- Novartis
- Teva
- Zambon
- CIHR
- Michael J Fox Foundation for Parkinson Research
- Parkinson Society Canada
- NIH
- UHN Department of Medicine Practice Plan
Levodopa remains the most potent drug to treat motor symptoms in Parkinson's disease (PD); however, motor fluctuations and levodopa-induced dyskinesia that occur with long-term use restrict some of its therapeutic value. Despite these limitations, the medical treatment of PD strives for continuous relief of symptoms using different strategies throughout the course of the illness: increasing the half-life of levodopa, using 'levodopa-sparing agents' and adding non-dopaminergic drugs. New options to 'improve' delivery of levodopa are under investigation, including long-acting levodopa, nasal inhalation and continuous subcutaneous or intrajejunal administration of levodopa. Long-acting dopamine agonists were recently developed and are undergoing further comparative studies to investigate potential superiority over the immediate-release formulations. Non-dopaminergic drugs acting on adenosine receptors, cholinergic, adrenergic, serotoninergic and glutamatergic pathways are newly developed and many are being evaluated in Phase II and Phase III trials. This article focuses on promising novel therapeutic approaches for the management of PD motor symptoms and motor complications. We will provide an update since 2011 on new formulations of current drugs, new drugs with promising results in Phase II and Phase III clinical trials, old drugs with new possibilities and some new potential strategies that are currently in Phase I and II of development (study start date may precede 2011 but are included as study is still ongoing or full data have not yet been published). Negative Phase II and Phase III clinical trials published since 2011 will also be briefly mentioned.
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