Un laboratoire analytique américain a fait l'objet de plusieurs observations dont une majeure portant sur la "Data Integrity" : 1. Your firm failed to exercise appropriate controls over computer or related systems to assure that only authorized personnel institute changes in master production and control records, or other records (21 CFR 211.68(b)). Specifically, your high performance liquid chromatography (HPLC) and gas chromatography (GC) data acquisition systems did not have sufficient controls to prevent deletion or alteration of raw data files . During the inspection, our investigators observed that your laboratory personnel use a shared password to access the HPLC (b)(4) computer system and that your GC (b)(4) computer system requires no password for access. In addition, multiple instruments had no audit trail function to record information about each analytical test, such as: type of injection date and time identity of analyst reason for action taken (f...