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. 2010 Feb 18;4:33–48. doi: 10.2147/dddt.s6443

Table 3.

Main adverse drug reactions reported in clinical trials

Short term safety trial 49 (4 weeks)
Iloperidone 24 mg/day (n = 295) Ziprasidone 160 mg/day (n = 149) Placebo (n = 149)
EPS (%) 3 9 2
Akathisia (%) 1 7 0
Mean changes from baseline
Orthostatic hypotension (%) 7 0 2
QTc prolongation (msec) 11.4 11.3 0
(mean maximum) 16.2 12.3 2.4
Weight gain (kg) 2.8 1.1 0.5
Total cholesterol (mg/dL) 8.1 4.1 −0.5
Triglycerides (mg/dL) 0.8 4.6 19.5
Glucose (mg/dL) 7.9 4.7 3.2
Prolactin (ng/mL) 2.6 1.9 −6.3
Short-term safety trials48(6 weeks)
Iloperidone 4–24 mg/day (n = 1044) Haloperidol 15 mg/day (n = 118) Risperidone 4–8 mg/day (n = 306) Placebo (n = 440)

EPS (%) 4–5.4 20.3 9.5 4.8
Akathisia (%) 1.5–4.8 13.6 6.9 3.6
Mean changes from baseline
Orthostatic hypotension (%) 19.5 15.3 12.0 8.3
QTc prolongation (msec) 2.9–9.1 5.0 0.6 0
Weight gain (kg) 1.5–2.1 −0.1 1.5 −0.3
Total cholesterol (mg/dL) 0.0 0.0 −3.9 −7.7
Triglycerides (mg/dL) −26.5 0.0 −26.5 −35.4
Glucose (mg/dL) 7.2–16.2 10.8 3.6 −3.6
Prolactin (μg/L) −38.0/−23.1 115.8 214.5 −57.4
Long-term safety trials50(Data at 6 week)
Iloperidone 4–16 mg/day (n = 1231) Haloperidol 5–20 mg/day (n = 403)

EPS (%) 0.6 7.7
Akathisia (%) 3.5 18.6
Mean changes from baseline
Orthostatic hypotension (%) NA NA
QTc prolongation (msec) 3.2 4.0
Weight gain (kg) 2.6 0.6
Total cholesterol (mg/dL) −0.3 7.4
Triglycerides (mg/dL) 0.3 −0.1
Glucose (mg/dL) 2.7 −0.4
Prolactin (ng/mL) NA NA
Long-term safety trials50(Data at 52 weeks)
Iloperidone 4–16 mg/day (n = 371) Haloperidol 5–20 mg/day (n = 118)

EPS (%) 0.8 5.9
Akathisia (%) 3.8 14.4
Mean changes from baseline
Orthostatic hypotension (%) NA NA
QTc prolongation (msec) 10.3 9.4
Weight gain (kg) 3.8 2.3
Total cholesterol (mg/dL) 0.9 6.9
Triglycerides (mg/dL) 6.8 12.1
Glucose (mg/dL) 5.8 −0.5
Prolactin (ng/mL) NA NA

Abbreviations: EPS, extrapyramidal symptoms; NA, not available.