what is a drug?
-substance recognized by a formulary
-used to treat, cure, prevent, diseases that is not a food
prescription drugs
require a doctor authorization to purchase
generic drugs
product “=” to brand name drugs in terms of preformace
OTC drugs
available to buy w/o doctor prescription
what is overseen by CDER and then CBER?
CDER: prescription, generic, OTC drugs
CBER: biologics, vaccines, cell/gene therapy
development of drug process
-discovery and early development
-pre-clinical
-clinical (phase I, II, III, IV for post approval)
-submit to FDA
-post marketing safety monitoring
preclinical steps in drug development
-understand disease
-identify potential targets
-in vivo and in vitro studies
-initial work to determine formulation
US regulations allow for human drug testing only after ___ is filed
IND (investigational new drug)
types of IND
investigator
emergency
treatment
primary goal of phase 1
establish the overall safety
IND includes data from
-pre-clinical studies
-human experience from foreign studies
-protocols
-investigators brochure
-informed consent commitment
2ndary goal of phase 1
-establish max/min dose
-find serious side effects
-determine metabolism of drug
primary goal of phase 2
establish activity of a drug for group of pt w/ a disease
2ndary goal of pahse 2
determine common short term side effects
primary goal of phase 3
confirm safety and effectiveness for drug for pt with a disease
2ndary goal for phase 3
evaluate overall risk benefit ratio
priamary goal of phase 4
monitor ongoing safety in large populations and uncontrolled drug use
2ndry goal for phase 4
-identify unusual side effects
-identify additional uses of drug
phase 1 # of participants
10-75
phase 2 # of participants
50-300
phase 3 and 4 # of participants
300-5k
phase 1 # of participating institutions
1
phase 2 # of participating institutions
1-5
phase 3 and 4 # of participating institutions
5-100