biologics 3 prefilled syringes Flashcards
are prefilled syringes, pens, and autoinjectors formulations or dosage forms?
NO NONONON they are medical devices
these devices are called
COMBINATION PRODUCTS
ADVANTAGES of pre-filled syringes, pens, and autoinjectors
ease of use, convinence
easier to transport than vial and syringe
discrete
increased patient compliance
reduced risk of dosage error
reduced risk of product contamination
DISADVANTAGES of pre-filled syringes, pens, and autoinjectors
higher cost than vial plus syringe
cannot mix two drugs
drug waste due to priming
greater surface to volume ration, presence of lubricants, can induce aggregation of protein drugs
common features of prefilled syringes, autoinjectors, pens
drug solution
needle
piston or plunger
housing