Medicine for treating diastolic cardiac insufficiency and preparation method of medicine
A technique for cardiac insufficiency and relaxation, which is applied in the direction of drug combinations, pharmaceutical formulas, and medical preparations containing active ingredients. It can solve problems such as increased ventricular filling pressure and poor compliance of ventricular wall motion, achieving good stability The effect of high bioavailability
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Embodiment 1
[0025] The preparation of embodiment 1 metoprolol liposome:
[0026] 1) Dissolve 50g of metoprolol, 100g of cholesterol, 20g of soybean lecithin, 80g of distearoylphosphatidylethanolamine-polyethylene glycol, 5g of propyl gallate and 20g of spar in an appropriate amount of ethanol, mix well, Filtrate, remove ethanol by evaporation to obtain a phospholipid film, and dry; 2) add a phosphate buffer solution with a pH value of 7.0 to completely hydrate the phospholipid film, then homogeneously emulsify with a tissue grinder, mix the solution evenly, and ultrasonically treat for 60 minutes to prepare Obtain liposome suspension; 3) spray-dry the suspension obtained in step 2) to obtain metoprolol liposome powder.
Embodiment 2
[0027] The preparation of embodiment 2 metoprolol liposomes:
[0028] 1) Dissolve 50g of metoprolol, 80g of cholesterol, 30g of soybean lecithin, 60g of distearoylphosphatidylethanolamine-polyethylene glycol, 10g of propyl gallate and 10g of spar in an appropriate amount of ethanol, mix well, Filtrate, remove ethanol by evaporation to obtain a phospholipid film, and dry; 2) add a phosphate buffer solution with a pH value of 6.5 to completely hydrate the phospholipid film, then use a tissue masher to homogeneously emulsify, mix the solution evenly, and ultrasonically treat for 60 minutes to prepare Obtain liposome suspension; 3) spray-dry the suspension obtained in step 2) to prepare metoprolol liposome powder.
Embodiment 3
[0029] Embodiment 3 The preparation of the medicine for the treatment of diastolic cardiac insufficiency
[0030]
[0031]
[0032] Preparation Process:
[0033]1) get the metoprolol liposome, hydrochlorothiazide, spironolactone prepared by the embodiment 1 of prescription quantity, and various adjuvants for subsequent use; , carboxymethylcellulose calcium, sucrose stearate, sodium lauryl sulfate, and stevioside are mixed evenly, and an appropriate amount of ethanol is added to make a soft material, granulated with a 20-mesh sieve and dried, granulated with a 20-mesh sieve, added The magnesium stearate is mixed evenly, the weight of the tablet is controlled, and the tablet is compressed.
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