PHARMACEUTICAL FORMULATIONS OF PIMAVANSERIN
First Claim
Patent Images
1. A pharmaceutical composition, comprising:
- pimavanserin; and
at least one pharmaceutically acceptable excipient selected from the group consisting of a sugar, a starch, a cellulose preparation, silicon dioxide aerosol, gelatin, calcium phosphate dibasic, sodium lauryl sulfate, magnesium stearate, sodium stearyl fumarate, talc, polyethylene glycol, and polyvinylpyrrolidone, and combinations thereof.
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Abstract
Disclosed herein are stable pharmaceutical formulations of pimavanserin, which is useful for treating conditions associated with serotonin receptors.
27 Citations
66 Claims
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1. A pharmaceutical composition, comprising:
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pimavanserin; and
at least one pharmaceutically acceptable excipient selected from the group consisting of a sugar, a starch, a cellulose preparation, silicon dioxide aerosol, gelatin, calcium phosphate dibasic, sodium lauryl sulfate, magnesium stearate, sodium stearyl fumarate, talc, polyethylene glycol, and polyvinylpyrrolidone, and combinations thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A pharmaceutical composition, comprising:
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pimavanserin tartrate; and
at least about 0.5% of a lubricant. - View Dependent Claims (34, 35, 36, 37, 38, 39)
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40. A wet granulation formulation for use in preparing tablets, the formulation comprising:
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pimavanserin tartrate; and
a non-aqueous granulation solvent. - View Dependent Claims (41, 42, 43, 44)
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45. A wet granulation formulation for use in preparing tablets, the formulation comprising:
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pimavanserin tartrate; and
less then about 30% by weight of water. - View Dependent Claims (46)
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47. A method of preparing a pharmaceutical tablet, the method comprising:
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granulating pimavanserin tartrate using a non-aqueous granulation solvent;
drying the granulation;
blending the granulation with a lubricant; and
compressing the blend into a tablet. - View Dependent Claims (48, 49, 50, 51)
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52. A method of preparing a pharmaceutical tablet, the method comprising:
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granulating pimavanserin tartrate using less than about 30% by weight of water;
drying the granulation;
blending the granulation with a lubricant; and
compressing the blend into a tablet.
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53. A method of preparing a pharmaceutical tablet, the method comprising:
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dry blending pimavanserin tartrate with at least one pharmaceutically acceptable excipient selected from the group consisting of a sugar, microcrystalline cellulose, lactose-cellulose blend, calcium phosphate dibasic, silicified microcrystalline cellulose, pregelatinized starch, partially pregelatinized starch, polyvinylpyrrolidone, HPMC, sodium lauryl sulfate, sodium stearyl fumerate, silicon dioxide aerosol, magnesium stearate, talc, polyethylene glycol, and combinations thereof; and
compressing the blend to form a tablet. - View Dependent Claims (54)
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55. A pharmaceutical composition, comprising:
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pimavanserin; and
a pharmaceutically acceptable excipient, wherein the pharmaceutical composition comprises substantially no sodium starch glycolate or sodium croscarmellose. - View Dependent Claims (56)
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57. A pharmaceutical tablet, comprising:
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a core comprising pimavanserin; and
a taste-masking film coating over the core. - View Dependent Claims (58, 59)
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60. A pharmaceutical composition, comprising:
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pimavanserin or a pharmaceutically acceptable salt thereof; and
a pharmaceutically acceptable excipient;
wherein the pharmaceutical composition comprises less than about 0.1% of a compound having the structure of Impurity 2;
- View Dependent Claims (61, 62)
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63. A pharmaceutical composition, comprising:
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pimavanserin or a pharmaceutically acceptable salt thereof; and
a pharmaceutically acceptable excipient;
wherein the pharmaceutical composition comprises less than about 0.25% of a compound having the structure of Impurity 1;
- View Dependent Claims (64)
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- 65. A pharmaceutical composition, comprising pimavanserin and at least one pharmaceutically acceptable excipient, wherein the composition is formulated such that at least about 80% of the pimavanserin is released from the composition upon administration to a subject.
Specification