Brand new oral solid medicinal composition and its preparation method

Abstract

The invention discloses a brand new oral solid medicinal composition and its preparation method, the medicinal composition is an oral preparation prepared by hydrochlorothiazide, levamlodipine, losartan potassium and pharmaceutically-accepted auxiliary materials, the oral preparation is including but not limited to tablets or capsules. The composition comprises the following raw materials by weight part: 5-25 parts of hydrochlorothiazide, 2.5-5 parts of levamlodipine, 20-120 parts of losartan potassium, 30-90 parts of lactose, 20-60 parts of microcrystalline cellulose, 20-60 parts of pregelatinized starch, 2-5 parts of hydroxypropylcellulose, 1-3 parts of silica and 1-2 parts of magnesium stearate. The medicinal composition has the advantages of scientific and reasonable prescription, lowauxiliary materials content and high biological availability, and is a preferred medicine for treating hypertension.

Description

technical field [0001] The invention belongs to the technical field of medicine, and in particular relates to a novel oral solid pharmaceutical composition comprising hydrochlorothiazide, losartan potassium and levamlodipine and a preparation method thereof. Background technique [0002] Hypertension is the most common cardiovascular disease and a major public health problem worldwide. In 1991, my country conducted a sample survey of 940,000 people over the age of 15. Statistics show that the prevalence of hypertension in my country has reached 11.26%, which is 25% higher than that in the 10 years from 1979 to 1990. There are more than 130 million hypertensive patients in my country. . Moreover, this upward momentum continues. Statistics also show that the treatment rate of hypertension is 17.4% in urban areas and 5.4% in rural areas; the control rate (systolic blood pressure<140mmHg and diastolic blood pressure<90mmHg after treatment) is only 2.9%. From the above st...

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Problems solved by technology

However, no specific implementation is given in the above-mentioned application. Those skilled in the art know that for a certain preparation, especially a new type of compound preparation, different adjuvants and dosages seriously affect the curative effect of the drug. Therefore, although the above-mentioned application is proposed, it will The three together prepare the technical scheme of the compound preparation, but it does not give a prescription for any compound preparation, and it does not propose any improvement on the excipients. The enlightenment obtained by those skilled in the art is simply to contain the above three active ingredients Two or three tablets are made into one. Such excipients have a large content, which reduces the efficacy of the medicine and makes it difficult for patients to take the medicine.

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