Bp1 Flashcards
Study of effect of drug on body
Pharmacodynamics
Study of effect of body on drug
Pharmacokinetics
What does pharmacodynamics allow you to determine?
Dosage, compare effective and safety to other drugs
What 2 factors determine drug interactions with target?
Shape and charge distribution
What does the shape of the drug determine?
Ability to bind
What does the charge distribution of the drug determine?
Bond that forms
Name 4 bonds between drug and target from weakest to strongest?
Van der waals
Hydrogen
Ionic
Covalent
How do hydrogen bonds form?
H atom bound to O or N makes it more positive so it bind to other more negative atoms
4 factors affecting bonding?
Hydrophobicity
Ionisation
Conformation of target
Stereoisomerisation
4 main targets for drugs
Enzymes
Receptors
Ion channels
Carrier proteins
Some drugs don’t interact with targets, how do they work?
Examples
By virtue of their own physicochemical properties
Laxatives = pull water into stool
Antacids = decrease pH of stomach