clinical trial

Description

A research study that tests new ways to prevent, detect, treat or manage a disease (such as cancer) on eligible, informed and willing human participants.

Clinical trials are conducted in several steps, which are referred to as phase 0 trial, phase I trial, phase II trial, phase III trial and phase IV trial.

Clinical trials that are currently accepting new participants are referred to as open clinical trials. Those that are no longer accepting new participants are referred to as closed clinical trials.

Also called clinical study.

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