Bristol Myers Squibb (BMY) experienced a significant stock surge after AbbVie (ABBV) reported disappointing results from its Phase 2 trial of emraclidine, an investigational drug for schizophrenia. The trial failed to meet its primary endpoint, showing no statistically significant improvement compared to placebo, leading to a sharp decline in AbbVie's stock and a corresponding rise in Bristol Myers Squibb's shares.
AbbVie's Disappointing Results
AbbVie's Phase 2 trial investigated emraclidine as a once-daily oral monotherapy for adults with schizophrenia. According to AbbVie's Chief Scientific Officer, Roopal Thakkar, the company is analyzing the data to determine the next steps, despite expressing disappointment with the outcome. The failure of emraclidine underscores the challenges in developing effective treatments for schizophrenia, a complex and debilitating mental disorder.
Cobenfy's Potential Advantage
The setback for AbbVie's emraclidine is seen as a potential boon for Bristol Myers Squibb's recently approved schizophrenia drug, Cobenfy (formerly KarXT). William Blair analysts Matt Phipps and Myles Minter highlighted that AbbVie's results could expand Cobenfy's first-mover advantage and ultimate market opportunity. Cobenfy, approved by the FDA in September, represents a new class of medicine for schizophrenia treatment, offering a novel mechanism of action.
Novel Mechanism of Action
Cobenfy introduces a fundamentally new approach to treating schizophrenia by selectively targeting M1 and M4 receptors in the brain without blocking D2 receptors. This selective targeting is a departure from traditional antipsychotics, which often have significant side effects due to their broader receptor activity. Bristol Myers Squibb has emphasized that Cobenfy represents the first new class of medicine in several decades for schizophrenia, addressing a significant unmet need in the treatment landscape.
Market Performance
Bristol Myers Squibb's stock is up more than 17% in 2024, outpacing AbbVie's gain of nearly 13%. This positive market performance reflects investor confidence in Bristol Myers Squibb's strategic position in the schizophrenia treatment market, particularly with the introduction of Cobenfy.