Why are drug trials needed?

To determine the side effects of taking the drug on humans, to test for toxicity, to determine the correct dosage needed, and to test the effectiveness (efficacy) of the drug.

DP
Answered by Devna P. Biology tutor

3635 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Explain how a substitution mutation could cause an enzyme not to work (5)


What is the difference between aerobic and anaerobic respiration?


Describe the structure of DNA and where it is found inside a human cell


Symptoms of Salmonella include vomiting and diarrhoea, and it is known this is caused by a bacterium. What does the bacterium do to cause such symptoms?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning