What should be done if new or unanticipated information arises during a trial?

• A. Immediate termination of the trial
• B. Periodic reviews should determine whether modifications to the trial are needed
• C. Ignore it if it's not related to the primary endpoint
• D. Report it only after the trial ends

Answer: (B)

New or unanticipated information in a trial can change the balance of risks and benefits for participants. The way to handle this is through ongoing, structured oversight that reviews accumulating data at predefined intervals. This periodic review process identifies whether the trial’s protocol, informed consent, or safety measures need to be updated, or whether changes to recruitment, conduct, or even stopping the trial are warranted. By continually evaluating how new information affects participant safety and study integrity, you can make timely, appropriate modifications rather than reacting too late or failing to act. Immediate termination isn’t automatic and should only follow a thorough review if the risk clearly outweighs potential benefit; delaying action until the trial ends would miss important safety signals. Thus, periodic reviews to determine whether modifications are needed are the appropriate approach.