4 API Manufacturing Violations at China’s Tianjin Kilo

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FDA’s review of records it requested from Tianjin Kilo Pharmaceutical Sci-tech Co. in Tianjin Shi, China, found four significant deviations from current good manufacturing practice (CGMP) regulations for active pharmaceutical ingredients (API). An 8/6 Warning Letter says the specific deviations were:

  • failure to demonstrate that the company’s manufacturing process can reproducibly manufacture an API meeting the predetermined quality attributes;
  • failure to prepare and use master production and control records;
  • failure to validate and verify the suitability of analytical methods; and
  • failure to design a documented, ongoing stability testing program to monitor the stability characteristics of APIs and to use the results to confirm the appropriate storage conditions and the retest or expiry dates.

The letter says Tianjin also failed to list two of the drugs it manufactures for commercial distribution. All of the firm’s drugs and drug products offered for import into the U.S. were placed on a 7/21 Import Alert.

Tianjin was told to promptly address the deviations and ensure that appropriate resources are allocated to fully address the deviations and prevent their recurrence.

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