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. 2011 Feb 15;3:1–16. doi: 10.4137/JCNSD.S4138

Table 3.

Long term trial for ziprasidone.

Authors Zipr. dose (mg/day) Comparator n Duration Efficacy of ziprasidone
Hirsch et al34 80 Haloperidol (5 mg) 301 28 w. Equivalent efficacy
Harvey et al35 102 Haloperidol (11,5 mg) 186 196 w. Higher efficacy
Arato et al27 40–80–160 Placebo 278 48 w. Low probability of relapse than placebo
Breier et al28 80–160 Olanzapine (10–20 mg) 548 28 w. Less effective than olanzapine
Simpson et al39 80–120–160 Olanzapine (5–10–15 mg) 269 24 w. Comparable long term efficacy
Liebermann et al30 40–160 Olanz 7,5–30
Queti 200–800
Risp 1,5–6
1493 72 w. Time of discontinuation longer in the olanzapine group
Stroup et al31 40–160 Olanz 7,5–30
Queti 200–800
Risp 1,5–6
444 24 w. Risp et olanz were more effective than quet and ziprasidone
Addington et al29 80 to 160 Risperidone (6 to 10 mg) 139 44 w. Similar efficacy
Potkin36
Stahl et al1
80–120 Haloperidol (5–20 mg) 599 196 w. Improvement in remission, negative symptoms and quality of life