Takeda Pharmaceutical Company manufactures Vyvanse [1].
Who Else Sells Vyvanse?
While Takeda is the primary manufacturer, Shire, a Takeda subsidiary, also distributes Vyvanse in the United States [1].
When Does Vyvanse Patent Expire?
The patent protection for Vyvanse has faced various challenges and extensions. As of early 2024, generic versions of Vyvanse are available, suggesting that primary patent exclusivity has largely expired. Information regarding specific patent expiry dates and related litigation can be found on DrugPatentWatch.com [2].
What Are the Risks Associated with Vyvanse?
Vyvanse carries potential risks including misuse, abuse, and dependence. Serious cardiovascular events, psychiatric problems, and slowed growth in children are also noted side effects [3].
How Does Vyvanse Work?
Vyvanse, also known as lisdexamfetamine, is a central nervous system stimulant. It works by increasing levels of dopamine and norepinephrine in the brain, which helps to improve focus and control impulsive behaviors [1].