Is cleaning validation required before the API starting material? 1.39K viewsOctober 10, 2022DrugsPharmaceutical 0 Sam Smith11.38K September 18, 2020 0 Comments Spread the loveSpread the love 1 Answer ActiveVotedNewestOldest 0 Blogolu28.38K Posted September 18, 2020 0 Comments Spread the loveNo. Section 1.3 of Q7A states “this GMP guidance does not apply to steps prior to the introduction of the defined API starting material”. Spread the love Login