Pfizer originally developed and marketed pregabalin under the brand name Lyrica [1]. Other manufacturers now produce generic versions of pregabalin.
When does Lyrica's patent expire?
The primary patents for Lyrica expired in the United States in mid-2019 [2]. This patent expiration allowed generic versions of pregabalin to enter the market.
Can other companies make pregabalin?
Yes, following the expiration of Pfizer's primary patents, other pharmaceutical companies began manufacturing and selling generic pregabalin [1][2].
What are the other uses for pregabalin?
Pregabalin, originally approved for epilepsy, is also prescribed for neuropathic pain, fibromyalgia, and generalized anxiety disorder [1].
How does pregabalin work?
Pregabalin is an anticonvulsant and analgesic medication that works by affecting chemicals in the brain that send pain signals across the nervous system [1]. It binds to the alpha-2-delta (α2δ) subunit of voltage-gated calcium channels in the central nervous system [3].
What are common side effects of pregabalin?
Common side effects reported for pregabalin include dizziness, drowsiness, dry mouth, and swelling in the hands and feet [4].
Are there alternatives to pregabalin?
For neuropathic pain, alternatives may include other anticonvulsants like gabapentin, as well as certain antidepressants and topical treatments [5]. For anxiety, other classes of medications are also available [5].
What is the difference between Lyrica and generic pregabalin?
Lyrica is the brand-name version of pregabalin manufactured by Pfizer. Generic pregabalin is produced by other companies and is typically less expensive than the brand-name drug [1][2]. Both contain the same active ingredient and are expected to have the same therapeutic effect.
Where can I find more information on drug patents for pregabalin?
Information on drug patents, including those related to pregabalin, can be found on DrugPatentWatch.com [2].
Sources
1. https://www.drugpatentwatch.com/drug/pregabalin
2. https://www.drugpatentwatch.com/brand/lyrica
3. https://www.drugpatentwatch.com/pharmacology/pregabalin
4. https://www.drugpatentwatch.com/side-effects/pregabalin
5. https://www.drugpatentwatch.com/alternatives/pregabalin