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Table 2 In vivo studies on intraocular drug delivery systems targeting glaucomatous symptoms (data accessed in February of 2023)

From: Intraocular nano-microscale drug delivery systems for glaucoma treatment: design strategies and recent progress

Year

Drug carriers

Drug delivered

Route

Animal model

Main in vivo effect

References

2006

PLGA nanospheres

PEDF peptide

IVJ

Retinal I/R injury mice

Sustained release

[182]

2007

PLGA microspheres

GDNF

IVJ

DBA/2 J mice

Sustained release

[177]

2007

PLGA microspheres

GDNF

IVJ

OHT rat

Sustained release

[178]

2011

PLGA microspheres

GDNF + vitamin E

IVJ

OHT rat

Sustained release

[102]

2011

Gelatin-grafted-PNIPAAm

Pilocarpine

Intracameral injection

OHT rabbit

Thermo- responsive; sustained release

[166]

2011

PLGA microspheres & nanospheres

AG1478

IVJ

ONC rat

Sustained release

[146]

2011

Poly (γ-glutamic acid) NPs

Dexamethasone

IVJ

NMDA induced retinal injury rat

Sustained release

[183]

2015

HSA NPs

Brimonidine

IVJ

ONC rat

Sustained release

[181]

2015

PLGA NPs and MPs

Connexin43 peptide

IVJ

Retinal I/R injury rat

Sustained release

[184]

2015

Nanosponge

Brimonidine; Travoprost; Bimatoprost

IVJ

OHT mice

Sustained release

[185]

2016

PCL

DE-117

Intracameral delivery

Normal rabbit

Sustained release

[170]

2016

PLA microspheres

Brimonidine

Supraciliary delivery

Normal rabbit

Sustained release

[84]

2017

PAMAM–PVL–PEG

Dehydroepiandrosterone

IVJ

NMDA induced retinal injury mice

Target delivery; sustained release

[180]

2017

Gelatin-coated MSNs

Pilocarpine

Intracameral injection

OHT rabbit

Sustained release

[168]

2017

GA-grafted-gelatin-PNIPAAm

Pilocarpine

Intracameral injection

OHT rabbit

Thermo- responsive; sustained release

[186]

2017

PCL NPs

Pilocarpine

Intracameral injection

OHT rabbit

Sustained release

[160]

2018

PCL

DE-117

Intracameral delivery

Normal rabbit

Sustained release

[123, 170]

2018

PEG-PSA MPs

Dorzolamide

IVJ

OHT rat

Sustained release

[187]

2018

HA-coated HSA NPs

Connexin43 peptide

IVJ

Retinal I/R injury rat

Sustained release

[188]

2018

Sul − PSHU − PNIPAAm

CNTF

IVJ

ONC rat

Thermo- responsive; sustained release

[189]

2019

PLGA microspheres

Dexamethasone + melatonin + coenzyme Q10

IVJ

OHT rat

Sustained release

[179]

2019

Chitosan-grafted- PNIPAAm

Pilocarpine + RGFP966

Intracameral injection

OHT rabbit

Thermo- responsive; sustained release

[190]

2019

PAMAM-gelatin-grafted -PNIPAAm

Pilocarpine + ascorbic acid

Intracameral injection

OHT rabbit

Thermo- responsive; sustained release

[167]

2020

LAPONITE®

Brimonidine

IVJ

OHT rat

Sustained release

[82]

2020

PAMAM

Superoxide dismutase

IVJ

Retinal I/R injury rat

Intracellular delivery

[191]

2020

Hollow PLA NPs

Pilocarpine

Intracameral injection

OHT rabbit

Sustained release

[81]

2020

PEG400

Tafluprost

IVJ

ONT rat

Sustained release

[192]

2020

PEG-PSA NPs

Brinzolamide + miRNA-124

IVJ

ONC mice

Sustained release

[193]

2021

Polydopamine NPs

Brimonidine

IVJ

ONC mice

Sustained release

[194]

  1. PLGA, poly (lactic-co-glycolic acid); PEDF, pigment epithelium-derived factor; IVJ, intravitreal injection; I/R, ischemia–reperfusion; GDNF, glial cell line-derived neurotrophic factor; OHT, ocular hypertension; PNIPAAm, poly (N-isopropylacrylamide); AG1478, 4-(3-chloroanilino)-6,7-dimethoxyquinazoline (a tyrosine kinase inhibitor of the epidermal growth factor receptor); ONC, optic nerve crush; NPs, nanoparticles; NMDA, N-methyl-D-aspartate; HSA, human serum albumin; MPs, microparticles; PCL, poly (ε-caprolactone); PLA, poly (lactic acid); PAMAM, poly (amidoamine); PVL, polyvalerolactone; PEG, polyethylene glycol; HA, hyaluronic acid; Sul − PSHU − PNIPAAm, sulfonate functionalized poly (serinol hexamethylene urea) (PSHU) conjugated PNIPAAm; CNTF, cilliary neurotrophic factor; MSNs, mesoporous silica nanoparticles; GA, gallic acid; PEG-PSA, Poly (ethylene glycol)-co-poly (sebacic acid); ONT, optic nerve transection