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Modified-release dosage is a mechanism that (in contrast to immediate-release dosage) delivers a drug with a delay after its administration (delayed-release dosage) or for a prolonged period of time (extended-release [ER, XR, XL] dosage) or to a specific target in the body (targeted-release dosage).
Metoprolol, sold under the brand name Lopressor among others, is a medication used to treat angina and a number of conditions involving an abnormally fast heart rate. [4] It is also used to prevent further heart problems after myocardial infarction and to prevent headaches in those with migraines. [4] It is a selective β 1 receptor blocker ...
The tablet press is an essential piece of machinery for any pharmaceutical and nutraceutical manufacturer. Tablet presses must allow the operator to adjust the position of the lower and upper punches accurately, so that the tablet weight, thickness and density/hardness can each be controlled.
A tablet press in operation An old rotary tablet press. A tablet press is a mechanical device that compresses powder into tablets of uniform size and weight. A tablet press can be used to manufacture tablets of a wide variety of materials, including pharmaceuticals, nutraceuticals, cleaning products, industrial pellets and cosmetics.
A 54 mg tablet of Concerta, which uses OROS technology. 22% of the drug is contained in the red overcoat, while the remaining 78% is split between two drug layers of differing concentration. The tablet uses an additional push layer that expands as water enters the tablet via the osmotic membrane.
After ingestion, bisoprolol is absorbed and has a high bioavailability of approximately 90% with a plasma half-life of 10–12 hours. [ 23 ] [ 24 ] Typically, half the circulating bisoprolol is metabolized by the liver, the rest passing unchanged through the kidneys before elimination; less than 2% may be excreted in the feces .
Aliskiren (brand names Tekturna and Rasilez) is the first in a class of drugs called direct renin inhibitors.It is used for essential (primary) hypertension. [2] While used for high blood pressure, other better studied medications are typically recommended due to concerns of higher side effects and less evidence of benefit.
While a conversion from a compressed to an uncompressed format is in general without loss, this is not true the other way around. Even a compressed-uncompressed-compressed round trip without any image manipulation may incur some loss of detail [ citation needed ] .