45 The percentage of women was very low in both studies (30% for lurasidone and 29.1% for ziprasidone in the first study; 43 22% and 21% for lurasidone 40 and 120 mg/day, 22% for olanzapine, and 23% for placebo in the second study), 45 which may be significant as gender is a risk factor for QTc prolongation and torsades des pointes.
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