2008
DOI: 10.1089/jop.2007.0074
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Topical WIN55212-2 Alleviates Intraocular Hypertension in Rats Through a CB1 Receptor Mediated Mechanism of Action

Abstract: Introduction-Systemically administered cannabinoids can reduce intraocular pressure (IOP), but produce undesirable cardiovascular and central nervous system effects. In a chronic model of ocular hypertension, we examined the efficacy of acute topical administration of WIN55212-2 (WIN) in a novel commercially available vehicle and in combination with timolol.

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Cited by 30 publications
(19 citation statements)
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“…Although the mechanism underlying this ocular hypotensive effect has remained unclear, several previous studies have suggested some involvement of the adrenergic nervous system (Green and Kim, 1976;Green et al, 1977;Oltmanns et al, 2008). The present study, using genetic receptor knockout models and pharmacology, demonstrates that cannabinoids reduce IOP primarily by acting as indirect sympatholytic agents.…”
Section: Discussionsupporting
confidence: 54%
See 1 more Smart Citation
“…Although the mechanism underlying this ocular hypotensive effect has remained unclear, several previous studies have suggested some involvement of the adrenergic nervous system (Green and Kim, 1976;Green et al, 1977;Oltmanns et al, 2008). The present study, using genetic receptor knockout models and pharmacology, demonstrates that cannabinoids reduce IOP primarily by acting as indirect sympatholytic agents.…”
Section: Discussionsupporting
confidence: 54%
“…In several studies where ␤AR antagonists have been coadministered with cannabinoid agonists additive effects on IOP were not observed (Green et al, 1977;Oltmanns et al, 2008). This lack of additive effect suggests that there may be an overlap in the IOP-lowering mechanisms for these two drug classes.…”
Section: Introductionmentioning
confidence: 99%
“…El efecto de los receptores CB2 para disminuir la tensión ocular, en cambio, no ha sido del todo bien determinado hasta la fecha, ya que la aplicación tópica de antagonistas de los receptores CB2 (SR 144528) no han demostrado inhibir en la medida de antagonistas CB1 como el rimonabant el efecto hipotensor tópico del WIN 55212-2 38 .…”
Section: Cannabinoides Y Presión Intraocularunclassified
“…Oltmanns et al describen un efecto hipotensor ocular claro del agonista WIN 55212-2 al 0,5% y 1% tras su disolución en Tocrisolve TM , efecto cuya duración se ve intensamente disminuida tras aplicar previamente el antagonista de receptores CB1 SR 141716A 38 .…”
Section: Cannabinoides Y Presión Intraocularunclassified
“…El 9-THC, disuelto en aceite mineral, demostró una reducción de la presión intraocular igual o superior a la obtenida por la pilocarpina (reducción del 52%), con un efecto más prolongado 38,68 . Este efecto hipotensor ha sido reproducido en distintos estudios con distintos cannabinoides (tabla 2).…”
Section: Aplicación Tópica De Los Cannabinoidesunclassified