Suicide Risk in Placebo vs Active Treatment in Placebo-Controlled Trials for Schizophrenia

Abstract
THE USE of placebo control in clinical trials is associated with ethical problems, especially in cases where effective treatment is available and where progressive disease involves potential deterioration that is likely to be irreversible.1,2 Yet, in Europe, granting a license for the indication of schizophrenia depends on demonstration of efficacy in comparison "in principle" with placebo.3