WL Samchundang Pharm Co., Ltd. MAY 13, 2020
1. Your firm failed to establish and document the accuracy, sensitivity, specificity, and reproducibility of its test methods (21 CFR 211.165(e)). Your firm manufactures and aseptically fills (b)(4) drug products for distribution to the U.S. You did not establish the suitability of the sterility test method used for final release testing of (b)(4) of your finished drug products. In addition, you did not determine the suitability of the in-process bioburden test performed for each of your drug products. Suitability testing must be performed for each drug product to ensure the sterility test method is valid. Suitability testing establishes that contamination, if present, will be detected. When inhibition is encountered during suitability testing, test method modifications allow for optimized recovery... 2. Your firm failed to establish an adequate system for monitoring environmental conditions in aseptic processing areas (21 CFR 211.42(c)(10)(iv)). You di...