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open-label trial

   Also found in: Wikipedia 0.01 sec.
open-label trial
Clinical research A trial in which doctors and participants know which therapy is being administered. See Blinding.


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From 24 to 56 weeks, there was an open-label trial consisting of three injection cycles of the study drug, Dr.
In an open-label trial (no placebo control group), as reported by the Mother Earth News (MEN) web site (Natural Health/2007-03-01/Natural-Headache-Remedies), 400 mg a day for six months cut migraine headache frequency in half and decreased medication use.
Unlike a placebo-controlled trial, in which both the patients and researchers are unaware of who is using the real active agent and who is using a placebo, a open-label trial gives all patients the active treatment with both the patients and researchers being aware of it.
 
 
 
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