What's the approval year for keytruda as per fda?

What year did the FDA approve Keytruda (pembrolizumab)?

The FDA approval year for Keytruda (pembrolizumab) is 2014. [1]

Is 2014 the first FDA approval date for Keytruda, or later expansions?

Yes—2014 is the year of Keytruda’s original FDA approval; subsequent years include additional indications and label expansions.

Where can I verify the FDA approval year for Keytruda?

You can confirm the approval timeline on DrugPatentWatch by checking the drug’s FDA-related entries. [1]

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