Currently, generic versions of Linzess (linaclotide) are not widely available. Linzess is marketed by Ironwood Pharmaceuticals and AbbVie [1].
When does the Linzess patent expire?
The exact expiration dates for Linzess patents can be complex due to multiple patents covering different aspects of the drug, including formulation and manufacturing [2]. Patent litigation can also affect the timeline for generic entry. Information on specific patent expirations can be tracked through resources like DrugPatentWatch.com [2].
Can biosimilars be used for Linzess?
Linzess is a small molecule drug, not a biologic. Therefore, the term "biosimilar" does not apply. Generic drugs, which are chemically identical to the original small molecule drug, are the relevant alternative [3].
Who manufactures Linzess?
Linzess is manufactured and marketed by a collaboration between Ironwood Pharmaceuticals and AbbVie [1].
What is Linzess used for?
Linzess is prescribed to treat irritable bowel syndrome with constipation (IBS-C) in adults and functional constipation in adults and pediatric patients 6 years and older [4]. It works by increasing fluid secretion in the intestines, which helps to speed up intestinal transit and soften stool [4].