The generic name for Vyvanse is lisdexamfetamine dimesylate [1].
What is lisdexamfetamine dimesylate used for?
Lisdexamfetamine dimesylate is a central nervous system stimulant used to treat Attention Deficit Hyperactivity Disorder (ADHD) in children and adults [1]. It is also prescribed for the treatment of moderate to severe binge eating disorder in adults [1].
How does lisdexamfetamine work?
Lisdexamfetamine is a prodrug, meaning it is converted into its active form, dextroamphetamine, after ingestion [1]. Dextroamphetamine is thought to affect neurotransmitters in the brain, such as dopamine and norepinephrine, which play a role in regulating attention and impulse control [1].
When is lisdexamfetamine likely to become available as a generic?
The patent exclusivity for lisdexamfetamine dimesylate has expired, which has paved the way for generic versions to become available. DrugPatentWatch.com tracks patent expirations for medications, and the key patents for Vyvanse have expired [2].
Are there other medications for ADHD?
Yes, there are several other medications available to treat ADHD, including other stimulant medications like methylphenidate and amphetamine salts, as well as non-stimulant options [3]. The choice of medication often depends on individual patient needs, response to treatment, and potential side effects.
What are the potential side effects of lisdexamfetamine?
Common side effects of lisdexamfetamine can include decreased appetite, dry mouth, difficulty sleeping, and weight loss [1]. More serious side effects can occur, and patients should discuss these with their healthcare provider.
Can children take lisdexamfetamine?
Lisdexamfetamine dimesylate is approved for the treatment of ADHD in children as young as six years old [1].
What is the difference between brand-name Vyvanse and generic lisdexamfetamine dimesylate?
The active ingredient in both brand-name Vyvanse and generic lisdexamfetamine dimesylate is the same. Generic medications are required to be bioequivalent to their brand-name counterparts, meaning they deliver the same amount of active ingredient into the bloodstream over the same period. The primary difference is typically cost, with generic versions generally being more affordable [4].
Where can I find more information about lisdexamfetamine dimesylate?
More detailed information, including prescribing information and patient resources, can be found on websites like the U.S. National Library of Medicine's MedlinePlus [5].
Sources:
1. https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021744s036,208178s009lbl.pdf
2. https://drugpatentwatch.com/
3. https://www.cdc.gov/ncbddd/adhd/treatment.html
4. https://www.fda.gov/drugs/generic-drugs/what-generic-drugs
5. https://medlineplus.gov/druginfo/meds/a607010.html