Selected passages from the FDA letter
Quoted FDA text from the published dataset. These selected excerpts are not the complete letter.
Passage 1Your firm failed to confirm that the quality of water was suitable for its intended use in the production of non-sterile drug products.
Passage 2Your firm failed to perform adequate smoke studies under dynamic conditions to demonstrate unidirectional airflow within the ISO **(b)(4)** area. Therefore, your products intended to be sterile are produced in an environment that may not provide adequate protection against the risk of contamination.