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Positive results from Study 304 for lumateperone for prevention of relapse in patients with schizophrenia – Intra-Cellular Therapies

Written by | 10 Nov 2024 | Pharma News

Intra-Cellular Therapies, Inc. announced positive results from Study 304 evaluating the efficacy and safety of lumateperone 42 mg for the prevention of relapse in adult patients with schizophrenia.

“Schizophrenia is a chronic, serious mental illness characterized by the occurrence of acute psychotic episodes that cumulatively worsen disease prognosis. The control of symptoms and the prevention of relapses is critical to improving long-term patient outcomes. We are very pleased that the results from Study 304, a randomized withdrawal trial, demonstrated efficacy along with favorable safety and tolerability which support the benefit of continued long-term treatment with lumateperone,” said Dr. Suresh Durgam, Executive Vice President and Chief Medical Officer of Intra-Cellular Therapies.

On the primary endpoint, time to relapse during the double-blind treatment phase was significantly longer in patients receiving lumateperone compared to those receiving placebo (p=0.0002). There were 18 relapses (16.4%) in the lumateperone group versus 44 relapses (38.6%) in the placebo group. Treatment with lumateperone was associated with a 63% reduction in risk of relapse versus placebo (hazard ratio [95% CI] = 0.37, [0.22, 0.65]).

Lumateperone also met the key secondary endpoint, time to all cause discontinuation during the double-blind phase (p=0.0007).

In this study, lumateperone was generally safe and well tolerated. In the double-blind phase, the most commonly reported adverse event that was observed at a rate greater than or equal to 5% and twice the rate of placebo was headache.

About Study 304; This study was a multicenter, multi-national, randomized, double-blind, placebo-controlled, parallel group study of lumateperone for the prevention of symptomatic relapse in adult patients with schizophrenia. This approximately 47-week study included an 18-week open-label phase where patients with schizophrenia were treated with lumateperone 42 mg per day. Patients who met the stabilization criteria during the open-label period progressed to the double-blind treatment phase. These patients were randomized to continue on lumateperone 42 mg (N=114) or switched to placebo (N=114) for up to 26 weeks or until the time to relapse occurred. The primary endpoint was time to first symptom relapse and the key secondary endpoint was time to all cause discontinuation during the double-blind phase.

Captyla  (lumateperone) is indicated in adults for the treatment of schizophrenia and for the treatment of depressive episodes associated with bipolar I or II disorder (bipolar depression) as monotherapy and as adjunctive therapy with lithium or valproate.

 

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