Let me rephrase: In the US Stribild market is #1 in the first-line setting and #1 in new switches in the second-line setting. It's not yet #1 in total sales because there are many patients who are currently stable on other regimens.
Standalone Vitekta figures to be a minor product because most use of the drug will be in the form of Stribild, the combination of elvitegravir and Truvada.
In the US, standalone elvitegravir received a CRL in Apr 2013 (#msg-87357861) even though Stribild was approved in Aug 2012.