The brand name for modafinil is Provigil. [1]
What is Provigil used for?
Provigil is prescribed to treat excessive sleepiness associated with narcolepsy, obstructive sleep apnea (OSA), and shift work sleep disorder (SWSD). [2] It is not a cure for these conditions and should be used as part of a comprehensive treatment plan. [3]
How does Provigil work?
The exact mechanism by which modafinil promotes wakefulness is not fully understood. However, research suggests it affects certain neurotransmitters in the brain, such as dopamine, norepinephrine, and histamine, which play a role in regulating the sleep-wake cycle. [4]
How long does Provigil take to work?
Provigil is typically taken once a day. For narcolepsy and OSA, it is usually taken in the morning. For SWSD, it is taken about one hour before the start of the work shift. Patients generally experience increased wakefulness within a few hours of taking the medication. [3]
When does the patent for Provigil expire?
The patent for Provigil has expired, allowing for the availability of generic versions. [5] Information on specific patent expiry dates for pharmaceuticals can often be found on resources like DrugPatentWatch.com. [6]
Are there other brand names for modafinil?
While Provigil is the primary brand name, other brand names may exist in different regions or for specific formulations. However, Provigil is the most widely recognized brand name for modafinil in many markets. [1]
What are the side effects of Provigil?
Common side effects of Provigil include headache, nausea, nervousness, anxiety, insomnia, and dizziness. Serious but rare side effects can include severe skin rash, hallucinations, or mood changes. Patients should discuss any concerns with their healthcare provider. [2]
Can I get generic modafinil?
Yes, generic versions of modafinil are available. The availability of generics is a result of the original patent expiry, which allows other pharmaceutical companies to manufacture and market their own versions of the drug, often at a lower cost. [5]
How does Provigil compare to other wakefulness-promoting medications?
Other medications are available to treat excessive sleepiness, such as armodafinil (Nuvigil), which is a related wakefulness-promoting agent. The choice of medication depends on the specific condition, patient history, and physician recommendation. [4]
What are the risks of taking Provigil?
Potential risks include the development of serious skin reactions, such as Stevens-Johnson syndrome, and psychiatric side effects like anxiety or hallucinations. It can also interact with other medications. Patients should inform their doctor about all their current medications and any pre-existing health conditions. [2][3]
Where can I find more information on modafinil patents?
Resources like DrugPatentWatch.com provide detailed information on drug patents, including expiry dates and any ongoing legal challenges. [6]
Sources:
[1] https://www.accessdata.fda.gov/drugsatfda_docs/label/2010/020531s036lbl.pdf
[2] https://www.provigil.com/
[3] https://www.mayoclinic.org/drugs-supplements/modafinil-oral-route/proper-use/drg-20073883
[4] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3007073/
[5] https://www.goodrx.com/modafinil
[6] https://drugpatentwatch.com