Takeda announced that the Japanese Ministry of Health, Labour and Welfare (MHLW) approved the use of ORZEYFUL (oveporexton) for the treatment of narcolepsy type 1 (NT1, narcolepsy with cataplexy) in adults. ORZEYFUL is a first-in-class oral orexin receptor 2 (OX2R) agonist and the only medicine indicated in Japan to treat […]
Tag: NARCOLEPSY TYPE 1
U.S. FDA Approves Takeda’s ORZEYFUL, the First and Only Orexin Agonist for Narcolepsy Type 1
Takeda announced that the U.S. Food and Drug Administration (FDA) approved ORZEYFUL™ (oveporexton), an oral orexin receptor 2 (OX2R) agonist, for the treatment of narcolepsy type 1 (NT1, narcolepsy with cataplexy) in adults.* The persistent 24-hour nature of NT1 is driven by orexin deficiency and can severely impact people’s lives. […]
FDA Approves Takeda’s Orzeyful, the First-Ever Orexin Agonist for Narcolepsy Type 1
The U.S. Food and Drug Administration today approved Orzeyful (oveporexton) tablets for the treatment of narcolepsy type 1 in adults. Orzeyful is the first medicine approved for narcolepsy type 1 as a complete disorder — addressing the full range of symptoms that define the condition — and the first to […]
Lundbeck Receives FDA Fast Track Designation for Lu Ah69593 Orexin 2 Receptor Agonist
Lundbeck announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to Lu AH69593, the company’s lead oral orexin 2 receptor agonist and one of several investigational compounds in Lundbeck’s development portfolio for sleep-wake disorders. Lu AH69593 was discovered by Lundbeck and it is presently in […]
Takeda’s ORZEYFUL Approved in China for Narcolepsy Type 1
Takeda China announced that the National Medical Products Administration of China has approved the use of ORZEYFUL (oveporexton) for the treatment of narcolepsy type 1 (NT1) in adolescents aged 16 years and older and adults. Oveporexton is the first oral orexin receptor 2 (OX2R)-selective agonist approved in China and is the […]
New Study: Takeda’s Oveporexton Improved Daily Function, Cognition and Nighttime Sleep for Narcolepsy Type 1
New data presented by Takeda at SLEEP 2026 this week continues to build the case for oveporexton (TAK-861) as a potential disease-modifying treatment for narcolepsy type 1 (NT1). Oveporexton is designed to address the root cause of the disease, targeting the underlying orexin deficiency responsible for NT1. Results from two pivotal […]
Alkermes Presents Phase 2 Alixorexton Data in Narcolepsy Type 1 at AAN 2026
Alkermes plc presents new data from the Vibrance-1 phase 2 study evaluating alixorexton in patients with narcolepsy type 1 (NT1) at the American Academy of Neurology (AAN) 2026 Annual Meeting, taking place April 18-22, 2026 in Chicago. Alixorexton is a novel, investigational, oral, selective orexin 2 receptor (OX2R) agonist in development for the treatment […]
U.S. FDA Accepts New Drug Application and Grants Priority Review for Takeda’s Oveporexton (TAK-861) as a Potential First-in-Class Therapy for Narcolepsy Type 1
Takeda announced that the U.S. Food and Drug Administration (FDA) accepted its New Drug Application (NDA) and granted Priority Review for oveporexton (TAK-861) for the treatment of narcolepsy type 1 (NT1). Oveporexton is an investigational oral orexin receptor 2 (OX2R)-selective agonist designed to address the underlying orexin deficiency that causes […]
WAKIX Revenue to Exceed $1B in 2026, Orexin-2 Receptor Agonist in Pipeline
Harmony Biosciences, has announced strong preliminary, unaudited net product revenue for Q4 and full year 2025 of approximately $243 million and $868 million, respectively. The company continues to build on six consecutive years of revenue growth. On track to extend the pitolisant franchise, Harmony fortifies its profile as a profitable, […]
Eisai Presents Clinical Study Results of Novel Orexin Receptor Agonist E2086 for Narcolepsy at World Sleep 2025
Eisai Co., Ltd. announced today that the results from a Phase Ib clinical trial (NCT06462404) of its in-house developed novel selective orexin 2 receptor agonist E2086 have been presented at the World Sleep 2025 congress, held in Singapore from September 5 to 10. These data demonstrate that once-daily dosing of […]












