Armodafinil, the R-enantiomer of modafinil, is manufactured by several pharmaceutical companies. These manufacturers include those producing the brand-name drug and companies that have developed generic versions.
Who Makes Armodafinil?
The original brand-name armodafinil is Nuvigil, which was developed by Cephalon [1]. After Cephalon's acquisition by Teva Pharmaceutical Industries, Teva became a key manufacturer [1][2]. Other companies have since entered the market with generic versions of armodafinil.
When Did Generic Armodafinil Become Available?
Generic versions of armodafinil began to appear after the patent protection for Nuvigil expired. This allowed other pharmaceutical manufacturers to produce and market their own versions of the drug. DrugPatentWatch.com tracks these patent expirations and exclusivity periods [3].
What Are the Differences Between Brand-Name and Generic Armodafinil?
Brand-name armodafinil, like Nuvigil, is the original formulation. Generic armodafinil products are bioequivalent to the brand-name drug, meaning they contain the same active ingredient (armodafinil) in the same dosage and are absorbed into the bloodstream at the same rate [4]. The primary differences usually lie in the inactive ingredients (fillers, binders, coatings), the manufacturer, and the price [4].
What Companies Offer Generic Armodafinil?
Several pharmaceutical companies have launched generic armodafinil. These include, but are not limited to, Teva Pharmaceuticals, Mylan (now Viatris), Aurobindo Pharma, and Par Pharmaceutical [1][2]. The availability of specific generic manufacturers can vary by region and over time due to market dynamics and regulatory approvals.
How Does Armodafinil Work?
Armodafinil is believed to work by affecting certain neurotransmitters in the brain, such as dopamine, norepinephrine, and histamine, although its exact mechanism of action is not fully understood [5]. It is prescribed to improve wakefulness in adults suffering from excessive sleepiness associated with narcolepsy, obstructive sleep apnea, and shift work sleep disorder [5].
What are the Potential Side Effects of Armodafinil?
Common side effects of armodafinil can include headache, nausea, dizziness, insomnia, and anxiety [5]. More serious, though less common, side effects can occur, and patients should consult with their healthcare provider about any concerns [5].
Sources:
[1] DrugPatentWatch.com
[2] Teva Pharmaceutical Industries
[3] DrugPatentWatch.com
[4] U.S. Food and Drug Administration
[5] National Institute of Neurological Disorders and Stroke