Classificafion Of Drug Receptor Interaction Flashcards
Types of agonists
Full agonist
Partial agonist
Inverse agonist
In full agonist the response is ……… one
Equal to
In partial agonist the intrinsic activity is
Greater than zero less than one
Mechanism of agonism
Synergism
Summation/additivity
Potentiation
The mechanisms of antagonism
Pharmacokinetic antagonism
Chemical antagonism
Physiologic/Functional antagonism
Competitive antagonism
Reversible antagonism
Physiologic antagonism is defined as
Drugs/antagonists acting on a separate receptor to initiate effects that are functionally opposite to the antagonist
What are spare receptor?
When are receptors said to be spare
Receptors are said to be spare for a pharmacologic response….if it is possible to elicit maximal biologic response at a concentration of agonist that does not result in full occupancy of the available receptors
What are orphan receptors
These are receptors whose ligands have not been produced or known at present
Potency
Amount of drug needed to produce an effect
It is a measure of drug activity expressed in terms of amount required to produce an effect of a given intensity