Physical and chemical parameters (such as particle size, particle size distribution, zeta potential, and physical stability) identified as critical quality attributes (CQAs)
Liposomes contains and free drugs substance
Total drug substance content
Degradation products related to lipids (such as hemolyzed lipids) or drug substances
Lipid content (proves consistency with expected formulation)
Residual solvents (if any) used in the production of liposome products
In vitro release of drugs from liposome drug products