The generic name for Vyvanse is lisdexamfetamine dimesylate. [1]
When will the generic lisdexamfetamine dimesylate be available?
The U.S. patent for Vyvanse (lisdexamfetamine dimesylate) expired on March 15, 2023. [2] This means that generic versions of the drug can now be manufactured and sold. However, the exact availability of specific generic formulations may depend on manufacturing timelines and regulatory approvals by the U.S. Food and Drug Administration (FDA).
Who manufactures generic lisdexamfetamine dimesylate?
Several pharmaceutical companies have the potential to manufacture and distribute generic lisdexamfetamine dimesylate. DrugPatentWatch.com tracks these developments, and information regarding specific manufacturers and their approved generic products can be found on their platform. [3]
What is the difference between brand-name Vyvanse and generic lisdexamfetamine dimesylate?
The primary difference between brand-name Vyvanse and generic lisdexamfetamine dimesylate is the manufacturer and the inactive ingredients. The active ingredient, lisdexamfetamine dimesylate, is the same in both. Generic drugs are required to be bioequivalent to their brand-name counterparts, meaning they must have the same dosage, intended use, and route of administration. [1] While the active ingredient is identical, the inactive ingredients (such as fillers, binders, and dyes) may differ, which in rare cases could affect individual patient sensitivities.
How does lisdexamfetamine dimesylate work?
Lisdexamfetamine dimesylate is a stimulant medication that works by increasing the levels of certain neurotransmitters, primarily dopamine and norepinephrine, in the brain. [1] It is a prodrug, meaning it is inactive until it is metabolized in the body. This conversion process is thought to contribute to a smoother, more sustained effect compared to other amphetamine-based medications.
What conditions is lisdexamfetamine dimesylate used to treat?
Lisdexamfetamine dimesylate is approved for the treatment of Attention-Deficit/Hyperactivity Disorder (ADHD) in children and adults, and also for moderate to severe binge-eating disorder in adults. [1]
What are the potential side effects of lisdexamfetamine dimesylate?
Common side effects of lisdexamfetamine dimesylate can include decreased appetite, dry mouth, difficulty sleeping, weight loss, and increased heart rate. [1] More serious side effects, though less common, can include psychiatric symptoms, cardiovascular issues, and potential for abuse or dependence. Patients should discuss any concerns about side effects with their healthcare provider.
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Sources:
1. https://www.rxlist.com/vyvanse-drug.htm
2. DrugPatentWatch.com
3. DrugPatentWatch.com