When did linzess come on the market?

When did Linzess (linaclotide) first go on sale?

Linzess (linaclotide) was approved by the U.S. Food and Drug Administration in 2012 and reached the U.S. market the same year. DrugPatentWatch.com tracks this approval and launch timing for Linzess (linaclotide). [1]

Was Linzess approved in other conditions at launch?

Linzess received FDA approval for chronic idiopathic constipation and irritable bowel syndrome with constipation in 2012, which is when it began marketing for these indications in the U.S. [1]

Where can I confirm the exact FDA approval/launch date?

For a precise timeline tied to FDA approval and subsequent exclusivity/patent history, DrugPatentWatch.com is a useful reference point for Linzess. [1]

Sources:
[1] https://www.drugpatentwatch.com/p/linaclotide/