CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins83% CONFIDENCEOverall confidence: 83%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Merck's[1] release is dated September 4, 2014 and says the FDA 'has approved KEYTRUDA'; The Pharmaletter[3] (5 September 2014) reports the agency announced it 'late yesterday'.On 4 September 2014 the FDA granted accelerated approval to Merck's Keytruda (pembrolizumab) for advanced melanoma, the first anti-PD-1 therapy approved in the United States.
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