1994
DOI: 10.1136/bjo.78.9.677
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Treatment of cytomegalovirus retinitis with intravitreal injection of liposome encapsulated ganciclovir in a patient with AIDS.

Abstract: Liposome encapsulated ganciclovir reduced the number of intravitreal injections, stabilising CMV retinitis, and warrants further study. (BrJ Ophthalmol 1994; 78: 677-680)

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Cited by 50 publications
(18 citation statements)
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“…[51][52][53] Direct Intravitreal Injection Direct intravitreal injection of drugs into the vitreous cavity is employed to achieve higher drug concentrations in the vitreous and the retina. [54][55][56][57] However, repeated injections are needed to maintain drug concentrations at an effective therapeutic level over a certain period of time since the half-life of drugs in the vitreous is relatively short. Intravitreal injections, providing more efficient drug delivery to the back of the eye, are effective for a wide range of drugs including low molecular mass drugs as well as macromolecules such as oligonucleotides and monoclonal antibodies or their fragments.…”
Section: The Blood-ocular Barriers: An Impediment To Intraocular Drugmentioning
confidence: 99%
“…[51][52][53] Direct Intravitreal Injection Direct intravitreal injection of drugs into the vitreous cavity is employed to achieve higher drug concentrations in the vitreous and the retina. [54][55][56][57] However, repeated injections are needed to maintain drug concentrations at an effective therapeutic level over a certain period of time since the half-life of drugs in the vitreous is relatively short. Intravitreal injections, providing more efficient drug delivery to the back of the eye, are effective for a wide range of drugs including low molecular mass drugs as well as macromolecules such as oligonucleotides and monoclonal antibodies or their fragments.…”
Section: The Blood-ocular Barriers: An Impediment To Intraocular Drugmentioning
confidence: 99%
“…Quanto maior a velocidade de difusão, mais rápida a liberação e mais breve a duração do sistema. Para determinada velocidade de liberação, quanto maior for a quantidade de medicamento inicialmente disponível no implante, mais prolongada será a duração da liberação do sistema e por mais tempo será possível manter os níveis intraoculares do medicamento (3,6,30) .…”
Section: Sistemas De Liberação Controladaunclassified
“…Podem ser utilizados para armazenar o medicamento dentro dessas vesículas por diferentes meios, reduzindo efeitos colaterais e tornando os fármacos já existentes mais seguros. Proporcionam maiores concentrações no tecido alvo, e assim potencializam o efeito terapêutico do fármaco, tornando-o mais eficiente (30) . Fármacos lipofílicos ligam-se à membrana da vesícula, enquanto os fármacos lipofóbicos ou polares permanecem encapsulados na porção aquosa dentro do lipossomo.…”
Section: Sistemas De Liberação Controlada -Lipossomosunclassified
“…Le ganciclovir sous forme de liposomes a été utilisé chez des patients sidéens [33]. Des concentrations intravitréennes efficaces ont été mesurés jusqu'à 24 jours, sans aucune toxicité ni complication rétinienne.…”
Section: Liposomesunclassified