Concomitant medication

    In Running the trial

    Also known as: conmeds

    Concomitant medications are any other treatments a participant is taking alongside the study treatment. They are recorded because they may interact with the study drug, explain an adverse event, or be prohibited by the protocol. Sites usually collect them from before the trial starts through to the end of follow-up.

    Related terms


    Turn the vocabulary into a career

    The free CRLN Career Finder maps your background to a clinical-research role and builds a step-by-step roadmap. No cost, no card.

    Get your free roadmap →

    Educational reference only. Where regional rules differ, follow the regulation and the written procedures that apply where you work.

    We use optional analytics to improve CRLN.