Paliperidone Implant Formulation
First Claim
1. ) A method of administering paliperidone to a subject in need thereof, the method comprising administering to said subject an injectable depot composition consisting ofa) 13% wt±
- 10% of the drug paliperidone having a particle size distribution described as follows al less than 10% of the total volume of particles being smaller than 10 microns;
less than 10% of the total volume of particles being larger than 225 microns, and a d0.5 value in the range of 40-130 microns;
b) less than 10% of the total volume of particles being smaller than 10 microns;
less than 10% of the total volume of particles being larger than 200 microns, and a d0.5 value in the range of 40-90 microns;
c) not more than 10% of drug particles smaller than 25 microns, not more than 10% of drug particles larger than 225 microns;
d) less than 10% of the particles being smaller than 10 microns;
less than 10% of the particles being larger than 225 microns, and a d0.5 value in the range of 60-130 microns;
e) a d0.5 in the range of 60-130 microns;
or f) d(0.1)=17.41 microns, d(0.5)=51.61 microns and d(0.9)=175.32 microns;
b) 25-27% wt of biocompatible poly(lactide-co-glycolide) copolymer (PLGA) having a monomer ratio of lactic acid to glycolic acid of about 50;
50, wherein the copolymer is end-capped, has an inherent viscosity in the range of 0.27 to 0.31 dl/g measured by gel permeation chromatography in tetrahydrofuran at 30°
C. using a flow rate of 1 ml/min; and
c) DMSO,wherein the DMSO to paliperidone mass ratio is about 4;
1 to 5;
1; and
wherein the weight percentages are relative to the weight of the injectable depot composition.
1 Assignment
0 Petitions
Accused Products
Abstract
An injectable intramuscular depot composition suitable for forming an in situ solid implant in a body, comprising a drug which is paliperidone and/or its pharmaceutical acceptable salts in any combination thereof, a biocompatible copolymer based on lactic and glycolic acid having a monomer ratio of lactic to glycolic acid of about 50:50 and DMSO as solvent, wherein the composition releases the drug with an immediate onset of action and continuously for at least 8 weeks and wherein the composition has a pharmacokinetic profile in vivo suitable for the formulation to be administered each 8 weeks or even longer periods.
0 Citations
31 Claims
-
1. ) A method of administering paliperidone to a subject in need thereof, the method comprising administering to said subject an injectable depot composition consisting of
a) 13% wt± - 10% of the drug paliperidone having a particle size distribution described as follows al less than 10% of the total volume of particles being smaller than 10 microns;
less than 10% of the total volume of particles being larger than 225 microns, and a d0.5 value in the range of 40-130 microns;
b) less than 10% of the total volume of particles being smaller than 10 microns;
less than 10% of the total volume of particles being larger than 200 microns, and a d0.5 value in the range of 40-90 microns;
c) not more than 10% of drug particles smaller than 25 microns, not more than 10% of drug particles larger than 225 microns;
d) less than 10% of the particles being smaller than 10 microns;
less than 10% of the particles being larger than 225 microns, and a d0.5 value in the range of 60-130 microns;
e) a d0.5 in the range of 60-130 microns;
or f) d(0.1)=17.41 microns, d(0.5)=51.61 microns and d(0.9)=175.32 microns;b) 25-27% wt of biocompatible poly(lactide-co-glycolide) copolymer (PLGA) having a monomer ratio of lactic acid to glycolic acid of about 50;
50, wherein the copolymer is end-capped, has an inherent viscosity in the range of 0.27 to 0.31 dl/g measured by gel permeation chromatography in tetrahydrofuran at 30°
C. using a flow rate of 1 ml/min; andc) DMSO, wherein the DMSO to paliperidone mass ratio is about 4;
1 to 5;
1; andwherein the weight percentages are relative to the weight of the injectable depot composition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 30, 31)
- 10% of the drug paliperidone having a particle size distribution described as follows al less than 10% of the total volume of particles being smaller than 10 microns;
-
15. ) A method of administering paliperidone to a subject in need thereof, the method comprising administering to said subject an injectable depot composition consisting ofwt of the drug paliperidone having a particle size distribution described as follows a) less than 10% of the total volume of particles being smaller than 10 microns, less than 10% of the total volume of particles being larger than 225 microns, and a d0.5 value in the range of 40-130 microns;
- b) less than 10% of the total volume of particles being smaller than 10 microns, less than 10% of the total volume of particles being larger than 200 microns, and a d0.5 value in the range of 40-90 microns;
c) not more than 10% of drug particles smaller than 25 microns, not more than 10% of drug particles larger than 225 microns;
d) less than 10% of the particles being smaller than 10 microns, less than 10% of the particles being larger than 225 microns, and a d0.5 value in the range of 60-130 microns;
e) a d0.5 in the range of 60-130 microns;
or f) d(0.1)=17.41 microns, d(0.5)=51.61 microns and d(0.9)=175.32 microns;26% wt of biocompatible poly(lactide-co-glycolide) copolymer (PLGA) having a monomer ratio of lactic acid to glycolic acid of about 50;
50, wherein the copolymer is end-capped, has an inherent viscosity in the range of 0.27 to 0.31 dl/g measured by gel permeation chromatography in tetrahydrofuran at 30°
C. using a flow rate of 1 ml/min; andDMSO, wherein the weight percentages are relative to the weight of the injectable depot composition. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
- b) less than 10% of the total volume of particles being smaller than 10 microns, less than 10% of the total volume of particles being larger than 200 microns, and a d0.5 value in the range of 40-90 microns;
Specification