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Triamcinolone acetonide, sold under the brand name Kenalog among others, is a synthetic corticosteroid medication used topically to ... As an intravitreal injection, ...
Intravitreal injection has then become more common and a surge in the number of injections performed could be seen. [10] Six extra medications, namely triamcinolone acetonide, ranibizumab (Lucentis), aflibercept (Eylea/Zaltrap), dexamethasone, ocriplasmin and fluocinolone acetonide were approved for this injection by the end of 2014. [2]
Intravitreal administration is a route of administration of a drug, or other substance, in which the substance is delivered into the vitreous humor of the eye. "Intravitreal" literally means "inside an eye". Intravitreal injections were first introduced in 1911 when Ohm gave an injection of air into the vitreous humor to repair a detached retina.
Triamcinolone is used to treat various medical conditions, such as eczema, alopecia areata, lichen sclerosus, psoriasis, arthritis, allergies, ulcerative colitis, lupus, sympathetic ophthalmia, temporal arteritis, uveitis, ocular inflammation, keloids, urushiol-induced contact dermatitis, aphthous ulcers (usually as triamcinolone acetonide), central retinal vein occlusion, visualization during ...
An intravitreal injection is performed by injecting a medication through the pupil into the vitreous humor core of the eye after applying a local anesthetic drop to numb the eye and a mydriatic drop to dilate the pupil. They are commonly used in lieu of systemic administration to both increase the concentrations present in the eye, as well as ...
Intravitreal injections are already commonly used for administering drugs like anti-VEGF agents, making the procedure familiar to clinicians and safer for patients. The eye's immune-privileged status reduces the likelihood of immune responses to the viral vector, increasing the therapy's safety profile.
An intracameral injection is usually of an antibiotic into the anterior chamber of the eyeball to prevent endophthalmitis caused by an infection of the eye that can occur after cataract surgery.
Intravitreal injections of triamcinolone acetonide (IVTA) which have proved to be beneficial in the treatment of macular edema by their anti-inflammatory effect, their downregulation of VEGF production, and stabilization of the blood retinal barrier, were reported anecdotally in the management of Macular telangiectasia type 1.