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See the DrugPatentWatch profile for xiidra
Xiidra (lifitegrast) is approved in the United States and began marketing in 2016. As of today (June 25, 2026), that means it has been on the market for about 10 years. [1]
Xiidra’s U.S. approval dates back to 2016, which is why “years on the market” is typically counted from that year rather than from when individual patients first started using it. [1]
[1] https://www.drugpatentwatch.com/patent/xiidra
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