Clinical trials – a guide for CAB members (page 18)

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  • All study protocols include a schedule that doctors and participants must follow. For example, the schedule may say that all participants must visit the doctor and have blood and urine tests every 30 days.
  • The protocol also states how often a participant must take the medicine—once a day, twice a day, etc—and how many pills the person must take each time.
  • It is common for protocols to require more blood tests or other types of examinations (such as an X-rays) than a patient would usually receive.
  • It is important for people who are considering joining a clinical trial to understand exactly what they will be expected to do. If the schedule seems too difficult, the volunteer should discuss it with the research team. This way, the volunteer can decide if joining the study is the best choice.
Published: August 31, 2008
Last edited: January 25, 2011