clinical trial
nounUK /ˈklɪnɪkəl ˈtraɪəl/
US /ˈklɪnɪkəl ˈtraɪəl/
A clinical trial is a test where doctors give people a new medicine to see if it helps them get better.
The new medicine was tested in a clinical trial before it was sold in stores.
OTHER MEANINGS
2. A carefully planned scientific test of a new treatment to check if it is safe and works well.
She joined a clinical trial to help find a cure for the disease.
3. A study that compares a new medicine with an old one to see which is better.
The clinical trial showed the new pill worked faster than the old one.
4. A research project where volunteers try a new medical approach under close watch.
Doctors watched the volunteers closely during the clinical trial.