​If you are thinking about taking part in a clinical trial, here are some questions that can help you decide.


About the trial

  • Why is this trial being done?
  • Why do the doctors who designed the trial believe that the treatment being studied may be better than standard treatment? Why may it not be better?
  • How long will I be in the trial?
  • What kinds of tests and treatments are involved?
  • What are the possible side effects or risks of the new treatment?
  • What are the possible benefits?
  • How will we know if the treatment is working?



  • Will I have to pay for any of the treatments or tests?
  • What costs will my provincial health insurance cover?
  • Will I have to pay for treatment for any side-effects?


Daily life

  • How could the trial affect my daily life?
  • How often will I have to come to the hospital or clinic?
  • Will I have to travel long distances to take part?


Comparing choices

  • What are my other treatment choices, including standard treatments?
  • How does the treatment I would receive in this trial compare with the other treatment choices?


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Adapted from National Cancer Institute

Last reviewed: 10/11/2018
Last modified: 1/25/2019 5:04 AM