Pharmaceutical composition with sodium lauryl sulfate as an extra-granular absorption/compression enhancer and the process to make the same
First Claim
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1. A process for preparing a pharmaceutical dosage form comprising the following steps:
- (a) granulating;
(i) a drug; and
(ii) at least one pharmaceutically acceptable excipient;
(b) blending the granules prepared in step (a) with an absorption/compression enhancer; and
optionally a lubricant; and
(c) compressing the blended material from step (b) into a tablet.
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Abstract
A process for preparing a pharmaceutical dosage form or core wherein an absorption/compression agent is introduced into the formulation extra-granularly, and a pharmaceutical tablet prepared by said process.
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Citations
42 Claims
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1. A process for preparing a pharmaceutical dosage form comprising the following steps:
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(a) granulating;
(i) a drug; and
(ii) at least one pharmaceutically acceptable excipient;
(b) blending the granules prepared in step (a) with an absorption/compression enhancer; and
optionally a lubricant; and
(c) compressing the blended material from step (b) into a tablet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A pharmaceutical dosage form, prepared by:
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(a) granulating a drug; and
at least one pharmaceutically acceptable excipient;
(b) blending the granules of step (a) with an absorption/compression enhancer and optionally a lubricant; and
(c) compressing the blended material from step (b) into a tablet. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. A pharmaceutical dosage form consisting essentially of a tablet prepared by
(a) forming granules consisting essentially of: -
(i) metformin or a pharmaceutically acceptable salt thereof; and
(ii) a binding agent;
(b) blending said granules with an absorption/compression enhancer and a lubricant;
(c) surrounding said tablet with a seal coat;
(c) covering said seal coated tablet with a membrane coating consisting of;
(i) a film forming water insoluble cellulose derivative;
(ii) a plasticizer;
(iii) a flux enhancer; and
(d) forming at least one passageway in the membrane. - View Dependent Claims (41, 42)
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Specification