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J&J’s Caplyta meets main goal of bipolar mania study

By Thomson Reuters Sep 21, 2026 | 7:50 AM

Sept 21 (Reuters) – Johnson & Johnson said on Monday its experimental use of Caplyta for bipolar mania met the main goal of a late-stage ​study, bringing the drug a step closer ‌to expanding beyond its currently approved uses.

J&J gained Caplyta through its $14.6 billion acquisition of Intra-Cellular Therapies last year to bolster its neuroscience business.

• Caplyta significantly reduced symptoms of bipolar ‌mania ​compared with placebo in the ⁠late-stage trial, meeting the ⁠study’s main goal, J&J said.

• Symptoms of mania can include grandiosity, decreased need for sleep, racing thoughts, distractibility, and risk-taking behavior.

• Patients showed improvement as ​early as three days after starting treatment with the drug, with benefits maintained through the ⁠study’s three-week duration, according to ⁠the company.

• The study also met a ​key secondary goal measuring overall severity of illness, J&J ​said.

• About 46% of patients treated with Caplyta ‌achieved a clinical response, compared with about 21% of patients who received placebo, the company said.

• The trial evaluated a once-daily 42-milligram dose of Caplyta ⁠in adults experiencing manic episodes associated with bipolar I disorder.

• J&J’s Caplyta is already approved in the United States ⁠for depressive ‌episodes associated with bipolar I and bipolar ⁠II disorder and schizophrenia.

• Bipolar disorder ​affects ‌an estimated 37 million people worldwide. Mania, ​a defining ⁠feature of bipolar I disorder, is marked by unusually elevated or irritable mood and increased energy or activity levels that often occur alongside depressive episodes, according to J&J.

(Reporting by Sahil Pandey in Bengaluru; Editing ​by Shailesh Kuber)