Relationship between the pharmacodynamics and pharmacokinetics of two oral sustained-release formulations of isosorbide dinitrate in normal man. 1981

K I Johnson, and V Gladigau, and K Schnelle

The relationship between the pharmacodynamics and pharmacokinetics of isosorbide dinitrate (ISDN) following oral administration of 40 mg of two different models. A model assuming an additive contribution of all active drug-related substances in plasma to pharmacological effect, i.e., finger pulse plethysmograph, resulted in estimates of relative potencies of ISDN:2-MN:5-MN (2-MN:2-isosorbide mononitrate; 5-MN:5-isosorbide mononitrate) as being 1:0.1:0.025. The data analysis using a receptor model (plasma concentration-effect curves) yielded sigmoid curves yielded sigmoid curves for 2-MN and 5-MN with similar relative potencies in the range of 20-80% of maximum response providing an upper limit for the pharmacodynamic effect due to ISDN, 2-MN or 5-MN in healthy volunteers.

UI MeSH Term Description Entries
D007548 Isosorbide Dinitrate A vasodilator used in the treatment of ANGINA PECTORIS. Its actions are similar to NITROGLYCERIN but with a slower onset of action. Cardonit 40,Dilatrate,Iso-Bid,Isodinit,Isoket,Isoket Retard-120,Isomak R,Isordil,Isotrate,Nitrosorbide,Sorbitrate,Sorbonit,Dinitrate, Isosorbide,Iso Bid,IsoBid,Isoket Retard 120,Isoket Retard120
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D011674 Pulse The rhythmical expansion and contraction of an ARTERY produced by waves of pressure caused by the ejection of BLOOD from the left ventricle of the HEART as it contracts. Pulses
D003692 Delayed-Action Preparations Dosage forms of a drug that act over a period of time by controlled-release processes or technology. Controlled Release Formulation,Controlled-Release Formulation,Controlled-Release Preparation,Delayed-Action Preparation,Depot Preparation,Depot Preparations,Extended Release Formulation,Extended Release Preparation,Prolonged-Action Preparation,Prolonged-Action Preparations,Sustained Release Formulation,Sustained-Release Preparation,Sustained-Release Preparations,Timed-Release Preparation,Timed-Release Preparations,Controlled-Release Formulations,Controlled-Release Preparations,Extended Release Formulations,Extended Release Preparations,Slow Release Formulation,Sustained Release Formulations,Controlled Release Formulations,Controlled Release Preparation,Controlled Release Preparations,Delayed Action Preparation,Delayed Action Preparations,Formulation, Controlled Release,Formulations, Controlled Release,Prolonged Action Preparation,Release Formulation, Controlled,Release Formulations, Controlled,Sustained Release Preparation,Timed Release Preparation,Timed Release Preparations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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