Drug development

Question 1

Stages of drug development

Answer 1

Drug chosen

pre-Clinical studies

Clinical Trials

Approved drug

Question 2

Phase 1 Clinical trials

Answer 2

1)First exposure of drug to healthy humans.

2)Determines if effects of drug are similar to to those seen on animals

3)Correct dose determined

4)Identify side effects

Question 3

Phase 2 Clinical trails

Answer 3

Is the drug effective in treating the disease?

Therapeutic and adverse effect is examined.

Question 4

Phase 3 of clinical trails `

Answer 4

effect of drug compared to other standard therapeutic treatments.

If the drug is effective and safe to use then it is licensed by MHRA to use

Question 5

Phase 4 of clinical trials

Answer 5

Surveillance of drug continues.

Long term effects especially of safety are evaluated.

Question 6

How long does it take to create and sell drugs

Answer 6

20 years:

10 years for development
10 years to sell