Developing drugs

Question 1

Describe the first stage of drug testing

Answer 1

Drugs tested on human tissue cells and tissues in the lab

but not ones that affect whole or multiple body systems

Question 2

Describe the second stage of drug testing

Answer 2

Drugs tested on live animals
test efficacy, toxicity, best dosage
law states new drugs must be tested on two different mamals

Question 3

Describe the third stage of drug testing

Answer 3

Human volunteers
healthy volunteers - side effects - very low dose
if human testing good –> tested of ill people to find optimum dose
randomly split into 2 groups - one-placebo - two-actual drug
clinical trials - blind