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Investigational

adj

Definitions

Adjective
  1. 1
    Of, or relating to investigating, or to an investigation. not-comparable
  2. 2
    of, or relating to an unapproved drug or chemical entity being studied. not-comparable

    "An expanded access protocol allows patients to benefit from an investigational drug prior to FDA approval."

Etymology

From investigation + -al.

See also for "investigational"

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