Pharmacodynamics
What the drug does to the body
Quantal dose response curve
ED50, threshold dose (steep curve, little variability)
Magnitude of response is graded so more dose means more effect
Agonist vs antagonist
Agonist: drug that binds receptors to elicit a response
Antagonist: bind receptors but do not elicit response
Drug development process
Discovery and characterization of drug Preclinical trials (acute subacute and chronic toxicity must be tested on 2 animas, pharmacological profile, carcinogenesis,etct) IND application Clinical studies Submission of NDA Approval of NDA Postmarketing surveillance