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See the DrugPatentWatch profile for Alteplase
“Alteplase” (brand name Activase and others) is an older FDA-approved drug. The key “FDA year” most people mean is the year the FDA approved alteplase for marketing in the U.S.
Alteplase was originally approved by the FDA in 1987.
You can verify approval and related regulatory details on drug-focused databases such as DrugPatentWatch, which tracks FDA actions and patent/exclusivity timelines for drugs, including alteplase: DrugPatentWatch – Alteplase.
If you meant a different FDA year than the original approval (for example, a label expansion, a new formulation, or a biosimilar/alternative brand approval), that will have a different year. In that case, tell me which product/label you mean (e.g., Activase vs another alteplase product), and I can help narrow down the right FDA action year.
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