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Table 5 Typical Q6A parameters to Evaluate for a Drug-Based Stability Program

From: Stability considerations for drug-device combination products-21 CFR part 4 update

Testing Category

Tests to be Considered

Chemical testing

- Assay for Active Pharmaceutical Ingredient (API)- Impurity/Degradation Products- Photostability (if applicable)

Physical testing

- Appearance

- Dissolution/Rate of release

- Molecular Weight and Polydispersity of polymeric components in device and coating

-Tensile strength of bonded device components

Microbiological testing

- Sterility

- Particulate matter

- Bacterial Endotoxin

- Antimicrobial Effectiveness