AbbVie (ABBV) Phase 2 Results for Emraclidine in Schizophrenia Did Not Meet their Primary Endpoint

AbbVie (NYSE: ABBV) today announced that its two Phase 2 EMPOWER trials investigating emraclidine as a once-daily, oral monotherapy treatment for adults with schizophrenia who are experiencing an acute exacerbation of psychotic symptoms, did not meet their primary endpoint of showing a statistically significant reduction (improvement) in the change from baseline in the Positive and Negative Syndrome Scale (PANSS) total score compared to the placebo group at week 6.

"While we are disappointed with the results, we are continuing to analyze the data to determine next steps," said Roopal Thakkar, M.D., executive vice president, research and development, chief scientific officer, AbbVie. "We would like to extend our gratitude to the study participants and their loved ones as well as to our network of clinical investigative sites for their participation in these trials. We are confident that our innovative pipeline will continue to bring meaningful therapies to patients, and we remain committed to finding better treatments for people living with psychiatric and neurological disorders."

Change from Baseline to Week 6 in PANSS Total Score

In the EMPOWER trials, emraclidine was well-tolerated with a safety profile comparable to that observed in the Phase 1b trial. The most commonly reported adverse events in EMPOWER-1 and EMPOWER-2, respectively, were headache (9.4% and 10.8% in placebo, 14.1% in EMPOWER-1 10mg and 14.6% in EMPOWER-2 15mg, and 13.2% and 13.0% in 30mg), dry mouth (2.3% and 0.8% in placebo, 3.9% in EMPOWER-1 10mg and 0.8% in EMPOWER-2 15mg, and 9.3% and 5.3% in 30mg), and dyspepsia (3.1% and 1.5% in placebo, 3.9% in EMPOWER-1 10mg, and 3.1% in EMPOWER-2 15mg, and 7.8% and 2.3% in 30mg).

Neuroscience is a key area of focus for AbbVie. In addition to emraclidine, through the Cerevel acquisition AbbVie gained a neuroscience pipeline of multiple clinical-stage and preclinical candidates that are complementary to the company's existing neuroscience portfolio with leading on-market brands in psychiatry, migraine, and Parkinson's disease.

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