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: OVERPOREXTON
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 […]
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 […]
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 […]
Takeda Reports Positive NT1 Trial Results for Oveporexton
Takeda announced that the New England Journal of Medicine published data from the Phase 2b trial of oveporexton (TAK-861) in people with narcolepsy type 1 (NT1). Oveporexton is an investigational oral orexin receptor 2 (OX2R)-selective agonist designed to restore orexin signaling to address the underlying orexin deficiency that causes NT1. Results demonstrated […]
First Global Phase 3 Trials of Narcolepsy Type 1 Oral Orexin Agonist
Takeda has announced positive topline results from a randomized, double-blind, placebo-controlled, multiple-dose Phase 2b trial evaluating TAK-861, an oral orexin receptor 2 (OX2R) agonist, in patients with narcolepsy type 1. Narcolepsy is a chronic, rare neurological disorder of central hypersomnolence with significant unmet need despite multiple approved therapies. It is […]
Promising Results for Narcolepsy Type 1 Treatment, but Safety Concerns Arise
Takeda announced that data from the Phase 2 study of orexin receptor 2 (OX2R) agonist TAK-994 in patients with narcolepsy type 1 (NT1) was published in The New England Journal of Medicine. These data represent the first-ever clinical data to be published of an oral orexin agonist in NT1. The […]








