Clinical trials help to find out if a new treatment or procedure is safe. They also help to find out if it is better than the current treatment or helps you feel better.
What are clinical trials?To join a trial you will usually need to speak to your doctor. Find out what you need to know before taking part.
How to join a clinical trialFind out about what researchers should tell you before you agree to take part.
What you should knowLook at key questions to ask your doctor about joining a clinical trial.
Find out what happens once a clinical trial has been completed.
Clinical trials resultsFind out what is involved in planning and organising a trial.
How trials are plannedLast reviewed: 4 July 2025
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What to ask your doctor about clinical trials.
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