Tanabe Mitsubishi "CATALIN-K" Ophthalmic solution 0.005% 15ml x 10 View larger

Tanabe Mitsubishi "CATALIN-K" Ophthalmic solution 0.005% 15ml x 10

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Suitable for senile cataract

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¥ 17,000

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Tanabe Mitsubishi "CATALIN-K" Ophthalmic solution 0.005% 15ml x 10

CATALIN®-K FOR OPHTHALMIC
Cataract is a disease in which the crystalline lens becomes opacified causing a decline
in visual acuity. While many types of cataract are known, senile cataract is the most
prevalent.
Numerous theories have been advanced regarding the pathogenesis of senile cataract,
but neither preventive nor therapeutic modalities were available. Until recently, the
only course of action was to wait for the cataract to mature and then excise the opacified
lens. Under those circumstances, a compound having a pyrido-phenoxazine nucleus,
which structurally resembles xanthommatin, an insect eye pigment, was synthesized in
the laboratory of Senju. This compound has been found, by preclinical and clinical
studies, to prevent denaturation of the water-soluble protein of the lens and thereby
arrest the progression of cataract. Thus, for the first time, we have seen the advent of
pharmacotherapy for senile cataract.
CATALIN-K for ophthalmic use is an ophthalmologic preparation which can be easily
dissolved extemporaneously.
[Composition]
This product is a preparation containing pirenoxine (pirfenoxone)
[1-Hydroxy-5-oxo-5H-pyrido(3, 2a) phenoxazine-3-carboxylic acid], composed of
granules and a vehicle, and the composition is as follows:
Granules: 0.75 mg of pirenoxine in each packet (87 mg)
Vehicle: 1 w/v% of boric acid
The ophthalmic solution, prepared by dissolving the granules, is a clear, yellow
solution containing 0.05 mg of pirenoxine (pirfenoxone) in each ml (0.005 w/v%)
[Indication]
Early stage of senile cataract
[Administration and Dosage]
Dissolve the granules in 15 ml of the vehicle just before use and instill 1-2 drops of the
solution, 3-5 times a day. This product must be prescribed by a physician.
See back side page for dissolving the granules.

 

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