PMID- 18334909 OWN - NLM STAT- MEDLINE DCOM- 20080626 LR - 20220310 IS - 0271-0749 (Print) IS - 0271-0749 (Linking) VI - 28 IP - 2 Suppl 1 DP - 2008 Apr TI - Four-week, double-blind, placebo- and ziprasidone-controlled trial of iloperidone in patients with acute exacerbations of schizophrenia. PG - S20-8 LID - 10.1097/JCP.0b013e318169d4ce [doi] AB - Iloperidone is a mixed D2/5-HT2 antagonist in development for treatment of schizophrenia. This trial aimed to evaluate the efficacy and safety of a fixed dose of iloperidone in patients with acute exacerbations of schizophrenia. This randomized, placebo-controlled, multicenter study comprised a 1-week titration period and a 3-week double-blind maintenance period. Eligible patients (n = 593) were randomized to iloperidone 24 mg/d, ziprasidone 160 mg/d as an active control, or placebo. Primary efficacy variable was change from baseline in the Positive and Negative Syndrome Scale Total (PANSS-T) score, using a mixed-effects model repeated measures analysis. Iloperidone demonstrated significant reduction versus placebo on the PANSS-T score (P< 0.01). Significant improvement versus placebo was also demonstrated with ziprasidone (P < 0.05). Compared with ziprasidone, iloperidone was associated with lower rates of many adverse events (AEs) that are particularly troublesome with antipsychotics, including sedation, somnolence, extrapyramidal symptoms, akathisia, agitation, and restlessness; iloperidone was associated with higher rates of weight gain, tachycardia, orthostatic hypotension, dizziness, and nasal congestion as reported as an AE. Most AEs were mild to moderate. A similar amount of QT prolongation was observed with both active treatments, although no patient had a treatment-emergent postbaseline corrected QT interval of 500 msec or greater. The incidence of clinically relevant changes in laboratory parameters was comparable between iloperidone and ziprasidone. Iloperidone was associated with a low incidence of extrapyramidal symptoms. Overall, there was improvement in akathisia with iloperidone treatment. Iloperidone treatment was effective, safe, and well tolerated in patients with acute exacerbation of schizophrenia. FAU - Cutler, Andrew J AU - Cutler AJ AD - University of Florida, Gainesville, FL, USA. FAU - Kalali, Amir H AU - Kalali AH FAU - Weiden, Peter J AU - Weiden PJ FAU - Hamilton, Jennifer AU - Hamilton J FAU - Wolfgang, Curt D AU - Wolfgang CD LA - eng PT - Clinical Trial, Phase III PT - Comparative Study PT - Journal Article PT - Multicenter Study PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PL - United States TA - J Clin Psychopharmacol JT - Journal of clinical psychopharmacology JID - 8109496 RN - 0 (Antipsychotic Agents) RN - 0 (Isoxazoles) RN - 0 (Piperazines) RN - 0 (Piperidines) RN - 0 (Thiazoles) RN - 6UKA5VEJ6X (ziprasidone) RN - VPO7KJ050N (iloperidone) SB - IM MH - Acute Disease MH - Adolescent MH - Adult MH - Aged MH - Antipsychotic Agents/administration & dosage/adverse effects/*therapeutic use MH - Double-Blind Method MH - Drug Administration Schedule MH - Female MH - Humans MH - Isoxazoles/administration & dosage/adverse effects/*therapeutic use MH - Male MH - Middle Aged MH - Piperazines/administration & dosage/adverse effects/*therapeutic use MH - Piperidines/administration & dosage/adverse effects/*therapeutic use MH - Prospective Studies MH - Schizophrenia/*drug therapy MH - Thiazoles/administration & dosage/adverse effects/*therapeutic use MH - Treatment Outcome EDAT- 2008/05/06 09:00 MHDA- 2008/06/27 09:00 CRDT- 2008/05/06 09:00 PHST- 2008/05/06 09:00 [pubmed] PHST- 2008/06/27 09:00 [medline] PHST- 2008/05/06 09:00 [entrez] AID - 10.1097/JCP.0b013e318169d4ce [doi] PST - ppublish SO - J Clin Psychopharmacol. 2008 Apr;28(2 Suppl 1):S20-8. doi: 10.1097/JCP.0b013e318169d4ce.