TO THE EDITOR:

At first glance, Temple and Stockbridge (1) present an apparently reasonable rationale for the FDA's approval of the heart failure drug BiDil (NitroMed, Lexington, Massachusetts) with a race-specific label for use only in “self-identified black patients.” Upon closer examination, however, their arguments fail to convince. Bibbins-Domingo and Fernandez (2) clearly show the limits of the post hoc subgroup analysis that the FDA used to justify the race-specific approval.

Beyond this, it is worth noting that since BiDil's approval, NitroMed—BiDil's corporate marketer—has made much of a recent FDA announcement that the coadministration of the much cheaper generic components ...

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