When was keytruda released?

When was Keytruda (pembrolizumab) first released?

Keytruda was first approved for use in the United States in September 2014. [1]

Was it available outside the U.S. around the same time?

Keytruda’s initial approval timing varied by country and indication, but U.S. approval in 2014 is the widely cited release date for first market availability. [1]

What company markets Keytruda?

Keytruda is marketed by Merck (also known as Merck & Co., Inc.). [1]

Source

[1] https://www.drugpatentwatch.com/blog/keytruda-pembrolizumab-first-approved-for-use-in-the-u-s-in-2014/