Clinical Research Glossary

occasionally occasionally

Once in a while.

Example of occasionally in a sentence

Occasionally there are changes in the study that require participants to re-consent to continue.

More Info

The protocol and consent form will discuss how often certain procedures or possible harms will happen. If the frequency is described as being occasionally, it means an event won’t happen that often or predictably.

Other info to think about when joining a study

The word “occasionally” can be used to describe how often an adverse event occurred in a research study.

You might want to know more about what that frequency could mean if you take a particular study treatment.

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