What is a clinical trial? Covid-19 explained

More on the ground-breaking clinical trial that discovered life saving treatments for Covid-19:   / recovery-the-groundbreaking-clinical-trial...   How the clinical trial for the Covid-19 Oxford/AstraZeneca vaccine was able to move so fast:    • How did Oxford University move so fast to ...   Clinical trials are vital to finding new effective treatments for disease. In the case of Covid-19, a ground-breaking new trial called RECOVERY was key to saving millions of lives, finding treatments that worked, like dexamethasone, against the coronavirus at an unprecedented pace, and ruling out others, like hydroxychloroquine. But what is a clinical trial, and how does it work? Find out in our explainer video. 0:00 What is a clinical trial? 0:24 Phase I clinical trials 0:50 Phase II clinical trials 2:09 Phase III clinical trials 2:24 Phase IV clinical trials 2:36 How long do clinical trials take? 3:22 What can clinical trials tell us? _______________________________________________________________________ We are UK Research and Innovation, the body that allocates government funds for research. If you're a UK tax payer, your contributions help fund the work we showcase on our channel. And if you liked this video, follow us on these channels: Medium:   / ukri   Instagram:   / weareukri   Facebook:   / weareukri   YouTube:     / ukresearchandinnovation   Or sign up for our weekly newsletter https://public.govdelivery.com/accoun...