Reminder: FDA Does, In Fact, Review DOF

When was the last time you thought about “data on file” (“DOF”)? Probably not recently, but last week, the U.S. Food and Drug Administration (FDA) Office of Prescription Drug Promotion (OPDP) posted an untitled letter (the “Letter”)[1] that was issued on February 3, 2025 to Edenbridge DBA Dexcel (“Dexcel”) over allegedly misleading promotional materials for the multiple myeloma drug Hemady^® (dexamethasone) involving—you guessed it—a DOF reference. This marks OPDP’s first untitled letter of the year and the first under…

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