Continuous apomorphine infusion and neuropsychiatric disorders: a controlled study in patients with advanced Parkinson's disease

Department of Neuroscience, University of Messina, Via Consolare Valeria, Messina, Italy.
Neurological Sciences (Impact Factor: 1.5). 11/2003; 24(3):174-5. DOI: 10.1007/s10072-003-0116-0
Source: PubMed

ABSTRACT The aim of this study was to assess whether patients with Parkinson's disease (PD) develop cognitive and psychiatric complications more frequently during prolonged therapy with continuous apomorphine infusion compared with standard oral treatment. Thirty consecutive PD patients with severe motor fluctuations were included in the study. Twelve patients accepted the treatment with subcutaneous continuous apomorphine infusion, while the remaining 18 preferred to continue with oral dopaminergic therapy. The two groups were evaluated with neuropsychological, psychiatric, and motor tests at baseline and after 1 year. The off daily duration and the levodopa dosage were significantly reduced in infused patients. The neuropsychiatric assessment did not change in both groups compared with baseline, except for a significant improvement of mood in the apomorphine group.

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    ABSTRACT: Continuous subcutaneous apomorphine infusion therapy (CSAI) has proved to be effective in advanced Parkinson's Disease patients with motor fluctuations not controlled by oral or transdermal medication. In this clinical setting it competes directly with intrajejunal levodopa and deep brain stimulation (DBS), however randomised controlled comparative studies are lacking. The advantages of CSAI is that it is the least invasive of these three therapeutic options, is reversible, practical to use and has shown significant efficacy for the management of both peak-effect dyskinesias and off-period nonmotor-symptoms. Contraindications to the use of CSAI are severe dementia or neuropsychiatric symptoms and severe biphasic dyskinesias, however unlike DBS, advanced age is not a contraindication. This review summarises the evidence regarding efficacy, safety and tolerability of CSAI, provides guidance on the selection of suitable patients and gives practical instructions on how to initiate CSAI and manage possible adverse events.
    Expert Review of Neurotherapeutics 06/2014; 14(7):1-11. DOI:10.1586/14737175.2014.928202 · 2.83 Impact Factor
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    ABSTRACT: Continuous subcutaneous infusion of apomorphine (CAI) has shown efficacy in the treatment of motor fluctuations but its place in the therapeutic arsenal remains poorly defined in terms of indication, acceptability and long-term tolerance. Indeed, few studies have been carried out with a follow-up greater than 12 months. The main objective was to assess the quality of life of Parkinson's disease (PD) patients treated with CAI. We also evaluate the effectiveness on the motor fluctuations, the long-term tolerance of this treatment with its causes of discontinuation and the treatment regimens used. We conducted a retrospective study of 81 PD patients treated with CAI between April 2003 and June 2012. Data were collected from medical records. A repeated measures analysis of variance by the linear mixed model was used (significance level: 5%). In August 2012, 27/81 patients were still treated with CAI with a mean duration of 28 months, 46/81 discontinued CAI (9 precociously), and 8 were lost to view. We didn't show improvement in the quality of life nor efficacy of CAI on the UPDRS IV score (P=0.54) and dyskinesia score (P=0.95). The CGI score patient also reflects this result with a majority response suggesting no significant change with CAI. We observed relative good cognitive and psychiatric tolerance. Adverse events were frequent but often benign. The average (±SD) rate of apomorphine was 3.15±1.71mg/h and the oral dopaminergic treatment was decreased by 37.8%. The results are consistent with the literature except for the lack of efficiency on motor fluctuations which may be due to the use of too small doses of apomorphine. This seems to be a leading cause of discontinuation of CAI, especially when it is associated with side effects or important constraints. For better efficiency on motor fluctuations, we recommend the use of apomorphine at higher doses to obtain an optimal continuous dopaminergic stimulation.
    Revue Neurologique 03/2014; · 0.60 Impact Factor
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    ABSTRACT: Subcutaneous infusion of apomorphine is a useful treatment for motor and nonmotor complications in Parkinson's disease patients and improves the patient's quality of life. An adequate selection of suitable candidates is crucial for obtaining the best results with this therapy. Parkinsonian patients with severe biphasic dyskinesias, demented or having experienced serious neuropsychiatric side effects with other dopamine agonists should not be offered this treatment. The therapeutic effect of continuous apomorphine infusion is reviewed and practical recommendations on its use are provided.
    Expert Review of Neurotherapeutics 10/2013; DOI:10.1586/14737175.2013.839235 · 2.83 Impact Factor

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