Skip to main content
. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Adv Drug Deliv Rev. 2016 Feb 23;103:144–156. doi: 10.1016/j.addr.2016.02.003

Figure 3.

Figure 3

Schematic representation of the main technologies used for long acting injections. Depots may be delivered A) subcutaneously or B) intramuscularly and utilise either C) oil-based solutions, D) drug particle suspensions, E) drug encapsulated in polymer microparticles, or F) in-situ formation of gels or solid/semi-solid structures.