ELI5: Explain Like I'm 5

Clinical trial protocol

Okay kiddo, have you ever heard of doctors who test new medicines or treatments to see if they work? Well, these tests are called clinical trials. And before they start the trial, they make a plan of what they are going to do and how they are going to do it. This plan is called a clinical trial protocol.

Think of it like a recipe for a cake. Just like how a recipe tells you what ingredients you need and how to mix them together to make a cake, a clinical trial protocol tells the doctors what they need to do to test the new medicine or treatment. The protocol tells them things like:

- Who can participate in the trial (for example, it might be only people with a certain disease or condition)
- How many people they need to test the medicine on
- What the medicine or treatment is supposed to do
- How often the medicine will be given and how much
- How they will measure if the medicine is working or not
- What side effects the medicine might have and how they will be monitored

Basically, a clinical trial protocol is a very detailed plan that helps the doctors make sure they do the trial in the best way possible. And when the trial is finished, they will look at the results and see if the new medicine or treatment is safe and works well.