Iloperidone Phase III Clinical Data Demonstrate Efficacy and Favorable Safety and Tolerability Profile
News Dec 14, 2007
Titan Pharmaceuticals, Inc. has announced that data from four Phase III efficacy and safety trials demonstrate that iloperidone, an investigational atypical antipsychotic, is associated with greater improvements in the symptoms of schizophrenia versus placebo and has a favorable safety and tolerability profile.
These results were included as part of the recently filed New Drug Application (NDA) for iloperidone and were presented by Titan’s corporate partner, Vanda Pharmaceuticals, Inc., for the first time this week at a major psychiatric congress. The U.S. Food and Drug Administration (FDA) accepted the NDA submitted by Vanda for marketing approval on November 26, 2007.
The final Phase III study conducted by Vanda evaluated the efficacy of iloperidone versus placebo in patients with schizophrenia. The study was a randomized, double-blind, placebo-controlled, multi-center, four-week inpatient study that enrolled 604 patients.
Following fixed-dose titration, inpatients were randomized to receive iloperidone at 24 mg/day, ziprasidone at 160 mg/day, or placebo. Patients treated with iloperidone had significantly greater improvements in Positive and Negative Syndrome Scale-Total (PANSS-T) scores than those on placebo and had PANSS-T improvement comparable to ziprasidone.
Iloperidone and ziprasidone showed similarly low effects on glucose, cholesterol, triglyceride and prolactin levels compared to placebo, and iloperidone was also associated with a favorable profile on the Extrapyramidal Symptoms Rating Scale (ESRS) versus placebo.
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