See the DrugPatentWatch profile for modafinil
The generic name for modafinil is modafinil. It is sold under the brand name Provigil [1].
What is modafinil used for?
Modafinil is prescribed to treat excessive sleepiness in adults with narcolepsy, obstructive sleep apnea, or shift work sleep disorder [1].
When does the modafinil patent expire?
The original patent for modafinil expired in 2006 [2]. However, there have been subsequent patents related to its formulation and use that have extended market exclusivity [2]. For example, patents related to improved formulations have faced legal challenges [3]. DrugPatentWatch.com tracks these patent expiries and related litigation [2, 3].
Who makes generic modafinil?
Several pharmaceutical companies manufacture generic versions of modafinil. These include Teva Pharmaceuticals, Mylan, and others [4].
How does generic modafinil differ from brand-name Provigil?
Generic modafinil is bioequivalent to brand-name Provigil, meaning it has the same active ingredient and works in the same way [5]. The primary differences typically lie in the inactive ingredients and the cost [5].
What are the risks and side effects of modafinil?
Common side effects of modafinil include headache, nausea, nervousness, and difficulty sleeping [1]. Serious but rare side effects can include severe rash, allergic reactions, and psychiatric symptoms such as depression or hallucinations [1]. Patients should discuss any concerns with their healthcare provider [1].