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

3638 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

What does the nervous system consist of and explain the differences between the two.


Explain how the mitochondria plays an important role in sustaining life?


Describe the process of photosynthesis and name three factors that may limit the rate of photosynthesis.


What are Mendel's two laws of inheritance?


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