Clinical Research Glossary

minimal minimal


Very small.

Example of minimal in a sentence

A participant must report every adverse reaction even if the impact on their lives seems minimal.

More Info

The risks of a study are minimal or very small if they are about the same as the risks of daily living. Adverse events may be described as minimal if they don’t last very long or are mild.

Some research is considered to be minimal risk, meaning the risk to participants should not be very high.

Other info to think about when joining a study

You may hear the term “minimal” when discussing whether a study is minimal risk or not.

If you have any questions about the risk of the study or otherwise how the word “minimal” is being used, you should feel free to discuss it with the study team.

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