Definition: In clinical trials, refers to a drug or treatment that has had basic lab testing and received approval from the FDA to be tested in human subjects.
Clinical trials of an experimental treatment go through several phases of testing before being approved for general use.
Drugs or treatments may be approved for use in one disease or condition, but also considered experimental for other uses.
Pronunciation: ex-pair-i-MENT-al
Also Known As: Investigational
Examples: The experimental procedure high intensity focused ultrasound (HIFU) is being clinically tested for use in the treatment of prostate cancer.
