February 15, 2024 - ALKS

Alkermes' Orexin Gamble: A Potential Sleep Revolution?

Alkermes, a seasoned player in the biopharmaceutical arena, has undergone a strategic transformation, emerging as a focused, efficient powerhouse in neuroscience. Following successful legal outcomes and the strategic divestment of its oncology business, the company is well-positioned for sustained profitability and growth. However, beneath their solid financials and promising commercial pipeline lies a potentially groundbreaking opportunity: ALKS 2680, a novel orexin 2 receptor agonist being developed for narcolepsy and other sleep disorders.

While market attention has primarily centered on ALKS 2680's potential in narcolepsy type 1 (NT1), a careful analysis of the Q4 2023 and Q1 2024 earnings call transcripts unveils a hidden gem. Alkermes is subtly placing its bets on the drug's success in narcolepsy type 2 (NT2), a gamble that, if successful, could reshape the treatment landscape for a much wider range of conditions characterized by excessive daytime sleepiness.

The intrigue stems from Alkermes' confidence in 2680's ability to treat both NT1 and NT2 patients. This contrasts with the prevailing belief that orexin agonists may be less effective in NT2, where, unlike NT1, orexin levels are detectable, albeit with abnormal signaling.

Takeda's recent decision to halt development of their own orexin agonist, TAK-861, in NT2 after encountering dose-limiting liver toxicity further underscores the significance of Alkermes' approach. Takeda's retreat, coupled with Alkermes' seemingly contrasting experience, suggests unique pharmaceutical properties of 2680. Has Alkermes cracked the code for a safe and effective orexin agonist catering to both NT1 and NT2 patients?

The answer, of course, awaits the upcoming NT2 and idiopathic hypersomnia (IH) data from the Phase 1b study. While we anticipate these results, Alkermes' CEO, Richard Pops, has offered some tantalizing hints during earnings calls.

Clues from Alkermes' CEO:

Dose Proportionality: Pops highlighted the "dose proportionality" of 2680, implying a clear link between dose escalation and heightened wakefulness. This is crucial for NT2, where higher doses are likely needed to overcome the existing orexin background. Q4 2023 Earnings Call Transcript Source

Clean Safety Profile: Pops emphasized the drug's clean safety profile in healthy volunteers, even at doses notably higher than those tested in NT2 patients. This affords Alkermes the dosing flexibility that Takeda seemingly lacked. Q1 2024 Earnings Call Transcript Source

Insomnia as Efficacy Indicator: Pops downplayed concerns about insomnia, a recognized side effect of orexin agonists. He portrayed insomnia as an "indicator of efficacy," suggesting that dose adjustments can readily address any issues. This seemingly casual dismissal hints at a deeper confidence in 2680's tolerability, even at higher doses. Q4 2023 Earnings Call Transcript Source

Broader Implications: Pops alluded to the wider implications of 2680's potential success in NT2. He noted that if the drug proves effective in patients with an existing orexin background, it would "open up potential opportunities for other orexin agonist products in other therapeutic indications outside of narcolepsy." This is a game-changer. Q1 2024 Earnings Call Transcript Source

A World Beyond Narcolepsy?

Imagine a world where orexin agonists treat not only narcolepsy but also conditions like chronic fatigue syndrome, Parkinson's disease, and even the post-COVID "brain fog" affecting millions. Alkermes' orexin gamble suddenly morphs into a potential gateway to a multi-billion dollar market, far exceeding the relatively niche narcolepsy space.

The Hypothesis:

Alkermes is discreetly developing a potential blockbuster with the potential to revolutionize sleep and the approach to various neurological disorders. The impending NT2 and IH data will offer the first insights into this ambitious vision.

The Numbers:

While it's difficult to pinpoint the precise financial implications of 2680's potential success, the global narcolepsy market alone is projected to reach $7.6 billion by 2030. Even a modest market share capture by Alkermes could make 2680 a billion-dollar drug. Should the drug's success transcend narcolepsy, the potential is immense.

ALKS 2680: Beyond Just Another Narcolepsy Drug?

ALKS 2680 represents a bold wager on a novel mechanism with the potential to transform treatment for a vast, underserved patient population. As the market focuses on NT1, Alkermes is quietly preparing for a much grander endeavor. Watch their NT2 data closely – it could be the catalyst for a revolution.

ALKS 2680 Clinical Trial Phases:

PhaseDescriptionStatus
Phase 1bAssess safety, tolerability, and preliminary efficacy in NT1, NT2, and IH.Completed for NT1, nearing completion for NT2 and IH. Source
Phase 2Evaluate efficacy and safety in a larger group of NT1 patients (Vibrance-1) and NT2 patients (Vibrance-2).Vibrance-1 initiated, Vibrance-2 planned for 2H 2024. Source

Proprietary Product Net Sales Growth (2022-2023):

"Fun Fact: The name "orexin" derives from the Greek word "orexis," meaning "appetite." Orexins, also known as hypocretins, are neuropeptides that play a crucial role in regulating wakefulness, appetite, and other physiological processes. The discovery of orexins and their link to narcolepsy has revolutionized our understanding of sleep regulation."