Application of anthracene nucleus antibiotic and its pharmaceutical salt for treating neovascular glaucoma
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A new blood vessel, antibiotic technology, applied in the direction of drug combination, pharmaceutical formula, organic active ingredients, etc., can solve problems such as reducing the quality of life of patients
Active Publication Date: 2015-06-10
张雅珍
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Due to its blinding properties, it will seriously reduce the patient's quality of life
Method used
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Embodiment 1
[0021] ① Take 300mg of polylactic acid glycolic acid copolymer (PLGA) and add it to 1ml of dichloromethane to prepare a solution;
[0022] ②Add 50 mg of arubicin to the solution prepared in ①, and mix well with ultrasound;
[0023] ③Use a syringe to slowly inject the solution in ② into the cottonseed oil containing 0.05% egg yolk egg-ling fat, stir at 1000r / min for 20min, reduce the speed to 200r / min and continue stirring for 4h;
[0024] ④Add 20ml petroleum ether to step ③, centrifuge at 8000r / min for 5min after 30min;
[0025] ⑤ Collect the microspheres, wash with petroleum ether and evaporate dry.
Embodiment 2
[0027] ① Take 200mg PLGA and add it to 1ml tetrahydrofuran solution to prepare a solution;
[0028] ②Add 50mg of mitoxantrone to 0.2ml of glycerin, mix well and add it to the solution prepared in ①, stir with a homogenizer for 1 minute to obtain colostrum;
[0029] ③Add it to 12ml of 2% polyvinyl alcohol (PVA) solution, stir at 1000r / min for 5min, then add 120ml of 0.5% PVA solution to obtain double emulsion;
[0030] ④ Reduce the speed to 200r / min and continue stirring for 4h, then centrifuge at 8000r / min for 5min;
[0031] ⑤ Collect the microspheres, wash with distilled water and freeze-dry.
Embodiment 3
[0033] ① Take 100mg PSA-PEG and add it to 1ml dichloromethane solution to prepare a solution;
[0034] ②Add 50 mg of arubicin to the solution prepared in ①, and mix well with ultrasound;
[0035] ③Add the solution prepared in ② to 15ml of 1% PVA solution;
[0036] ④ Reduce the speed to 200r / min and continue stirring for 4h, then centrifuge at 8000r / min for 5min;
[0037] ⑤ Collect the microspheres, wash with distilled water and collect.
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Abstract
The invention discloses an application of anthracene nucleus antibiotic and its pharmaceutical salt for treating neovascular glaucoma. The invention found that the anthracene nucleus antibiotic and its pharmaceutical salt have good effect on treatment of r neovascular glaucoma, and especially the anthracene nucleus antibiotics can be prepared to prolonged action preparations such as a nano preparation, a microballoon preparation, liposome and hydrogel, the toxicity of anthracene nucleus antibiotic is reduced, and the anthracene nucleus antibiotic enables ophthalmic administration, administration dosage is simultaneously enlarged, the duration time of drug effect is long, the medicament curative effect is stronger than that of the common preparations of the anthracene nucleus antibiotic, when the ophthalmic administration is carried out, the anthracene nucleus antibiotic has good treatment effect for treating retinal vein occlusion, and the blank that no medicine is good for treating neovascular glaucoma can be filled.
Description
Technical field [0001] The present invention relates to a medicine for treating neovascular glaucoma, in particular to the new use of a series of traditional anti-tumor antibiotics, anthracycline antibiotics and their pharmaceutically acceptable salts in the preparation of medicines for treating neovascular glaucoma. In particular, the anthracene Cyclic antibiotics and their pharmaceutically acceptable salts are prepared into long-acting preparations such as nano preparations, microsphere preparations, liposomes and hydrogels. Background technique [0002] Neovascular glaucoma is a secondary glaucoma disease, which is mainly manifested in a large number of new blood vessels on the iris of the patient's eye, showing the symptoms of glaucoma. There are many causes of neovascular glaucoma, but the main causes of neovascular glaucoma are retinal vein occlusion and diabetic retinopathy. Both of these eye diseases can be followed by neovascular glaucoma. The neovascularization caused b...
Claims
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Application Information
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