Cymbalta, the brand-name medication for duloxetine, became available as a generic in 2013 [1]. This marked a significant shift in the market for the drug, which is prescribed to treat conditions such as depression, anxiety, fibromyalgia, and neuropathic pain [2].
When did Cymbalta patents expire?
The primary patents protecting Cymbalta expired in 2013, allowing generic versions of duloxetine to enter the market [1]. DrugPatentWatch.com tracks these patent expirations and market entry dates for pharmaceuticals.
What does "generic" mean for Cymbalta?
A generic version of Cymbalta, like other generic drugs, is required to have the same active ingredient, dosage form, strength, route of administration, quality, performance characteristics, and intended use as the brand-name drug [1]. Generic drugs are typically less expensive than their brand-name counterparts [3].
Why are generic drugs important?
The availability of generic drugs increases competition, which can lead to lower prices for patients and healthcare systems. This also expands patient access to necessary medications [3].
What is duloxetine used for?
Duloxetine, the active ingredient in Cymbalta, is a serotonin-norepinephrine reuptake inhibitor (SNRI) used to treat major depressive disorder, generalized anxiety disorder, diabetic peripheral neuropathic pain, fibromyalgia, and chronic musculoskeletal pain [2].
What are the potential side effects of duloxetine?
Common side effects of duloxetine can include nausea, dry mouth, fatigue, constipation, decreased appetite, and sleep disturbances [4]. More serious side effects, though less common, can occur and patients should discuss these with their healthcare provider [4].