Similar to when you get chemotherapy, you may have to have a needle called a cannula put into your arm, to be able to get the treatment.

Patients in clinical trials have blood samples taken at appointments, to check you are well and to see how the treatment is affecting you. For some people this can be painful, if you are asked to take part in a clinical trial you may want to ask your doctor how the treatment is given to you, and how many blood tests will be taken.