With a US complete response letter for urea cycle disorder therapy ACER-001, rare disease specialty company Acer Therapeutics Inc. holds CRLs for both of the 505(b)(2) new drug applications it has filed – a reminder of the regulatory challenges that can remain for “de-risked” drug candidates with clinical experience in other fields and formulations.
Acer Therapeutics is focused on finding “drugs that were misunderstood” in their original development programs but could have a new...