Challenge and Stability Testing - Formulator or 3rd Party?
Generally, is it considered a best practice to contract with a separate independent third party lab to conduct microbiological challenge and stability testing instead of having the contract formulator, who is doing the actual formulating, test their own prototypes?
In other words, do contract formulators generally conduct their own challenge and stability testing of the protypes they formulate for clients with their own thermo microbiological incubator equipment or are prototypes generally sent to third party labs to ensure independence in testing?
Any responses or discussion about the entities generally involved with the logistics of microbiological challenge and stability testing of contract formulator-created prototype products is greatly appreciated. Thanks!
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