Sublingual Apomorphine in the Treatment of Parkinsonʼs Disease Complicated by Motor Fluctuations
- 1 December 1991
- journal article
- research article
- Published by Wolters Kluwer Health in Clinical Neuropharmacology
- Vol. 14 (6) , 556-561
- https://doi.org/10.1097/00002826-199112000-00008
Abstract
Subcutaneous apomorphine is a useful treatment for refractory motor fluctuations in Parkinson's disease. We have now clinically evaluated a formulation of sublingual apomorphine (57 mg) and performed preliminary pharmacokinetic studies. In acute studies, all 10 patients switched “on” after a mean latency of 25 min with a mean duration of motor benefit of 118 min. In three patients followed for a mean of 4.7 months, we have shown that chronic sublingual use can be effective, safe, and convenient in controlling motor fluctuations. The pattern of clinical response followed closely the plasma profile of apomorphine with a mean Cmax of 76 pmol/ml (50–106 pmol/ml) and a mean Tmax of 60 min (45–80 min), with moderate interpatient variability in bioavailability. Sublingual apomorphine is a practical alternative to subcutaneous use in selected patients with severe motor fluctuations.Keywords
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