1987
DOI: 10.1111/j.1749-6632.1987.tb51386.x
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Quantitative Correlation Between the Time Course of Plasma Pyridostigmine Levels and Neuromuscular Function in Myasthenia Gravisa

Abstract: Although anticholinesterase drugs are generally the first line of treatment of myasthenia gravis (MG), there is still no objective way to determine optimal dosage. Recent studies using analytical methods have provided data on the pharmacokinetics of pyridostigmine. However, the relationship between plasma levels of pyridostigmine and the time course of the therapeutic effect has not been objectively determined. The aim of the present study was to examine this relationship by measuring plasma pyridostigmine lev… Show more

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Cited by 3 publications
(6 citation statements)
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“…Ambenonium Longer duration of action and fewer gastrointestinal adverse effects than neostigmine Use with caution in patients with asthma and Parkinson's disease in whom toxic effects could be life threatening Should not be used in combination with other AChE inhibitors Neostigmine Short duration of action and narrower therapeutic index than pyridostigmine Available in parenteral and oral formulations Prolonged duration of action in the elderly Dosage modification required in elderly patients and those with renal impairment Pyridostigmine Most widely used AChE inhibitor; available as standard and sustained-release oral formulations Activity first demonstrated in an open-label trial in 1987 [11] Has a longer duration of action in elderly patients than in younger patients…”
Section: Acetylcholinesterase (Ache) Inhibitorsmentioning
confidence: 99%
“…Ambenonium Longer duration of action and fewer gastrointestinal adverse effects than neostigmine Use with caution in patients with asthma and Parkinson's disease in whom toxic effects could be life threatening Should not be used in combination with other AChE inhibitors Neostigmine Short duration of action and narrower therapeutic index than pyridostigmine Available in parenteral and oral formulations Prolonged duration of action in the elderly Dosage modification required in elderly patients and those with renal impairment Pyridostigmine Most widely used AChE inhibitor; available as standard and sustained-release oral formulations Activity first demonstrated in an open-label trial in 1987 [11] Has a longer duration of action in elderly patients than in younger patients…”
Section: Acetylcholinesterase (Ache) Inhibitorsmentioning
confidence: 99%
“…Weitere sind oberhalb 40ng/ ml kaum noch zu erwarten. Die Verringerung myasthener Symptome kann bereits nach 30-60 Minuten auftreten, also 1-2 Stunden vor dem Erreichen der Plasmaspitzenkonzentration (71) oder gleichzeitig hiermit (52). Oberhalb Wüng/ml muß ggf.…”
Section: Pharmakologieunclassified
“…Bei einem Patienten mit okulärer Myasthenie bestand eine direkte Korrelation zwischen Pyridostigmin-Plasmakonzentration und Lidspaltenweite (18). Nach Gabe von 60 mg oder 120 mg Pyridostigmin kam es zur Besserung eines differenzierten klinischen Befundes (Armhalteversuch, Serienreizung, maximale Kraft, Vitalkapazität), die am stärksten zum Zeitpunkt des höchsten Pyridostigmin-Plasmaspiegels 2 Stunden nach oraler Gabe war (52).…”
Section: Pharmakologieunclassified
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