Cariprazine pharmaceutical composition, preparation method and application thereof
A pharmaceutical composition containing cariprazine, a preparation method and an application thereof are provided. The pharmaceutical composition contains cariprazine pamoate solid particles. A particle size of the cariprazine solid particles has a Dv(10) less than or equal to 30 microns, a Dv(50) less than or equal to 50 microns, and a Dv(90) less than or equal to 100 microns. When being used, the pharmaceutical composition containing cariprazine is an aqueous suspension and the concentration of the free base of cariprazine is moderate. A long-term effect can be achieved upon injection of a certain administration volume of the pharmaceutical composition, thereby reducing the frequency of medication while increasing patient medication compliance. Furthermore, the pharmaceutical composition has a high bioavailability and has promising marketing prospects.
1 . A pharmaceutical composition of cariprazine, comprising solid particles of cariprazine, wherein the solid particles of cariprazine have a particle size distribution of Dv(10) of ≤30 microns, Dv(50) of ≤50 microns, and Dv(90) of ≤100 microns, and
the solid particles of cariprazine are crystalline form A of cariprazine embonate having an X-ray powder diffraction pattern with characteristic peaks at 2θ values of 4.8°±0.2°, 13.1°±0.2°, 18.7°±0.2°, 20.1°±0.2°, 21.0°±0.2°, and 26.1°±0.2°.
2 . The pharmaceutical composition of cariprazine as claimed in claim 1 ,
wherein:
the X-ray powder diffraction pattern of the crystalline form A of cariprazine embonate has characteristic peaks at 2θ values of 4.8°±0.2°, 9.7±0.2°, 12.3°±0.2°, 13.1°±0.2°, 18.7°±0.2°, 20.1°±0.2°, 21.0°±0.2°, and 26.1°±0.2°.
3 . The pharmaceutical composition of cariprazine as claimed in claim 1 ,
wherein the composition is an injectable preparation that comprises one or more selected from a suspending agent, a wetting agent, an osmotic pressure regulator, a solvent, a stabilizer, a buffer, and a surfactant.
4 . The pharmaceutical composition of cariprazine as claimed in claim 3 ,
wherein the suspending agent is at a concentration in the range of 0 mg/mL to 10 mg/mL;
and/or, the suspending agent is one or more selected from sodium carboxymethylcellulose, methylcellulose, and polyvinylpyrrolidone.
5 . The pharmaceutical composition of cariprazine as claimed in claim 3 ,
wherein the wetting agent is at a concentration in the range of 1 mg/mL to 10 mg/ml;
and/or, the wetting agent is one or more selected from polysorbate 20, polysorbate 80, and poloxamer 188.
6 . The pharmaceutical composition of cariprazine as claimed in claim 3 ,
wherein: the osmotic pressure regulator is at a concentration in the range of 20 mg/mL to 30 mg/mL;
and/or,
the osmotic pressure regulator is selected from one or more of sodium chloride, mannitol and sucrose;
and/or,
the stabilizer is at a concentration in the range of 0 mg/mL to 30 mg/mL;
and/or,
the stabilizer is PVP K12;
and/or,
the buffer is selected from one or more of phosphoric acid, phosphate, citric acid, sodium citrate, hydrochloric acid and sodium hydroxide;
and/or,
the surfactant is sodium deoxycholate;
and/or,
the solvent is water for injection.
7 . The pharmaceutical composition of cariprazine as claimed in claim 3 ,
wherein the composition comprises:
cariprazine embonate,
sodium carboxymethylcellulose,
polysorbate20,
disodium phosphate,
monosodium phosphate,
mannitol,
and, optionally, sodium hydroxide or hydrochloric acid.
8 . The pharmaceutical composition of cariprazine as claimed in claim 7 , wherein the solid particles of cariprazine embonate are at a concentration of no less than 15 mg/mL.
9 . A preparation method for the pharmaceutical composition of cariprazine as claimed in claim 3 , comprising the following steps:
sequentially dissolving the wetting agent, the buffering agent and the osmotic pressure regulator in water for injection to obtain a mixture;
adding the solid particles of cariprazine embonate to the mixture to obtain an aqueous suspension of coarse particles;
grinding the aqueous suspension of coarse particles to obtain a suspension; and
adding the suspending agent to the suspension, adjusting pH of the suspension to 4.0-9.0 with sodium hydroxide or hydrochloric acid, and bringing the suspension to a predetermined volume to obtain the injectable preparation.
10 . A method for treating psychosis, bipolar disorder and/or acute mania, comprising administering the pharmaceutical composition of cariprazine as claimed in claim 1 to a patient in need thereof.
11 . The pharmaceutical composition of cariprazine as claimed in claim 1 ,
wherein Dv(90) of the solid particles ranges from 10 microns to 100 microns.
12 . The pharmaceutical composition of cariprazine as claimed in claim 4 ,
wherein the suspending agent is at a concentration in the range of 3.5 mg/mL to 5 mg/ml;
and/or, the suspending agent is carboxymethylcellulose.
13 . The pharmaceutical composition of cariprazine as claimed in claim 5 ,
wherein the wetting agent is at a concentration in the range of 1 mg/mL to 5 mg/mL;
and/or, the wetting agent is polysorbate 20.
14 . The pharmaceutical composition of cariprazine as claimed in claim 5 ,
wherein the osmotic pressure regulator is at a concentration in the range of 23 mg/mL to 26 mg/mL;
and/or, the stabilizer is at a concentration in the range of 1 mg/mL to 10 mg/mL.
15 . The pharmaceutical composition of cariprazine as claimed in claim 1 , wherein the solid particles of cariprazine have a particle size distribution of Dv(10) of 9.338 microns, Dv(50) of 27.446 microns and Dv(90) of 79.618 microns; or,
Dv(10) of 1.257 microns, Dv(50) of 4.794 microns and Dv(90) of 14.601 microns; or,
Dv(10) of 12.215 microns, Dv(50) of 26.987 microns and Dv(90) of 48.348 microns.