. 2021 Aug 12;9:20503121211034366. doi: 10.1177/20503121211034366

Table 4.

Advanced therapy approaches and delivery systems.

S. no.	Types of therapy	Delivery system	Example
01	Stem cell	Nanoparticles⁸⁴	Hyaluronic acid (HA) Polyvinyl alcohol
02	Immune therapy⁸⁵	Nanoparticles Scaffolds Hydrogels	Antigen-TLR agonist fusion vaccines Porous 3D scaffolds Anti-PD-1 mAbs
03	Gene therapy⁸⁶	Viral gene delivery Non-viral gene delivery	Polysaccharides Polyethylemine (PEI) Lipid Naked DNA
04	Natural antioxidants	Nano delivery systems⁸⁷	Solid nanocrystals Nanoemulsion Nanoliposomes