Participating in Clinical Trials
Frequently Asked Questions
30. Why would a clinical trial be stopped early?
Clinical trials can be stopped any time in any phase of testing for several reasons.
- Early results may show that the experimental treatment works much better than the others. In these cases, researchers would offer the experimental treatment to the control group.
- The study may find no difference between the control group and treatment group, so further testing is useless.
Clinical trials can be stopped any time in any phase of testing for several reasons.
- The IRB or the Data and Safety Monitoring Committee may find a problem with the way the researchers are running the trial.
- There may be too many dangerous side effects.
