Björn Schurad

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Dopamine receptor agonists play an important role in the treatment of Parkinson's disease and hyperprolactinemic conditions. Proterguride (n-propyldihydrolisuride) was already reported to be a highly potent dopamine receptor agonist, thus its action at different non-dopaminergic monoamine receptors, alpha(1A/1B/1D), 5-HT(2A/2B)- and histamine H(1), was(More)
The transdermal in vitro permeation behavior of the highly potent dopamine agonist Proterguride was investigated using hairless mouse skin as a model membrane. Drug in adhesive matrix formulations based on different types of pressure-sensitive adhesives (Eudragit E 100 and Gelva7883 as acrylates, Oppanol B 15 SFN as polyisobutylene, and BioPSA 7-4202 as(More)
This study has characterised the pharmacological profile of some dopaminergic agents of the ergoline family including the antiparkinsonian drug 8S-lisuride at native guinea pig histamine H1 receptors and recombinant human and guinea pig H1 receptors. We used segments of guinea pig ileum to study contractile responses, Sf9 insect cell membranes expressing(More)
OBJECTIVES The high incidence of fibrotic cardiac valvulopathies reported in association with the 8beta-ergoline dopamine (DA) agonist, pergolide, and also case reports for cabergoline and bromocriptine have made it necessary to review the theoretical basis and actual findings in the case of another DA agonist, the 8alpha-ergoline lisuride (used since the(More)
Ergot alkaloids act as (partial) agonists or antagonists at serotonergic, dopaminergic and α-adrenergic receptors. In contrast to their affinity at serotonergic (5-HT) and dopaminergic receptor subtypes, only limited information is available concerning their interaction with α-adrenoceptor subtypes. This especially holds true for native α-adrenoceptors.(More)
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