Rescinding A Refuse-To-File: A Precedent Of Sorts

US FDA’s decision to rescind refuse-to-file letter for Alkermes’ high-profile depression drug is extremely unusual – but not literally unprecedented. One prior example of rescinding an RTF involves an ANDA.

If you think the US FDA’s decision to rescind its refuse-to-file letter for Alkermes PLC’ ALKS-5461 antidepressant is unusual, that’s because it is.

At its root, FDA is acknowledging that the refuse-to-file (RTF) letter was sent in error. “We made a mistake,” is...

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