Refuse-to-File Turns 25: New Guidance Changes In Style, But Not Substance

US FDA’s revised draft guidance spelling out its policy on 'refuse-to-file' decisions differs little in substance compared to predecessor issued in 1993. But difference in style is telling sign of the times.

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The US FDA is replacing its 25 year-old guidance on “Refuse to File” (RTF) decisions for NDA/BLA submissions with a new draft guidance published Dec. 12.

There is very little difference in substance between the new draft and the predecessor guidance issued in 1993. But...

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