Intra-Cellular sharply higher on it’s Bipolar drug

Intra-Cellular says lumateperone 42 mg met primary endpoint in Study 402

Intra-Cellular Therapies (ITCI) announced positive topline results from its Phase 3 clinical trial evaluating lumateperone as adjunctive therapy to lithium or valproate in the treatment of major depressive episodes associated with Bipolar I or Bipolar II disorder.

Intra-Cellular sharply higher on its bi-polar drug

In Study 402, once daily lumateperone 42 mg met the primary endpoint for improvement in depression as measured by change from baseline versus placebo on the MADRS total score.

Lumateperone 42 mg also met the key secondary endpoint, the CGI-BP-S Depression Score.

The lower lumateperone dose, 28 mg, showed a trend for a dose-related improvement in symptoms of depression but the results did not reach statistical significance.

Lumateperone demonstrated a favorable safety profile and was generally well-tolerated in the trial.

Lumateperone was successful in treating bipolar disorders

The most commonly reported adverse events that were observed at a rate greater than or equal to 5% and at least twice the rate of placebo were somnolence, dizziness, and nausea.

Rates of akathisia, restlessness, extrapyramidal symptoms, and changes in weight were similar to placebo.

This trial, in conjunction with our previously reported positive Phase 3 monotherapy study, Study 404, forms the basis for our sNDA for the treatment of bipolar depression in patients with Bipolar I or II disorder as monotherapy and adjunctive therapy which we expect to submit to the FDA in late 2020 or early 2021.

Study 402 was conducted globally in five countries including in the U.S. A total of 529 patients with moderate to severe major depressive episodes associated with either Bipolar I or Bipolar II disorder were randomized 1:1:1 to lumateperone 42 mg, 28 mg or placebo, while being maintained on lithium or valproate as mood stabilizers.

Lumateperone 42 mg met the primary endpoint by demonstrating a statistically significant improvement compared to placebo at week 6, as measured by change from baseline on the MADRS total score.

In the intent-to-treat study population, the least squares mean reduction from baseline for lumateperone 42 mg was 16.9 points, versus 14.5 points for placebo. Lumateperone 42 mg also met the key secondary endpoint of statistically significant improvement on the CGI-BP-S Depression Score.

Lumateperone 28 mg showed a trend for a dose-related improvement in symptoms of depression.

Though not formally tested against placebo since it did not separate on the primary endpoint, lumateperone 28 mg demonstrated a statistically significant improvement versus placebo on the CGI-BP-S. Lumateperone was generally well-tolerated with a favorable safety profile in the trial.

Adverse events were mostly mild to moderate and similar to those seen in prior studies in bipolar depression and schizophrenia, with no new adverse events observed. These findings provide further evidence supporting lumateperone’s favorable safety and tolerability profile across different patient populations.

 Importantly, lumateperone was generally safe and well tolerated in the study, adds the analyst. Hazlett believes that if approved in this indication, lumateperone would be differentiated as a potential first-line treatment option in depressive episodes associated with both bipolar I and bipolar II disorders.

ITCI is up 76% to $32.51

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