Tamper resistant dosage forms

Abstract

The present invention relates to pharmaceutical dosage forms, for example to a tamper resistant dosage form including an opioid analgesic, and processes of manufacture, uses, and methods of treatment thereof.

1 - 169 . (canceled) 
     
     
         170 . A process of preparing a cured shaped extended release tablet comprising:
 (1) an opioid or a pharmaceutically acceptable salt thereof,   (2) at least one low molecular weight polyethylene oxide having, based on rheological measurements, an approximate molecular weight of less than 1,000,000, and   (3) at least one high molecular weight polyethylene oxide having, based on rheological measurements, an approximate molecular weight of 7,000,000;   said process comprising the steps of:   (a) forming a shaped pharmaceutical preparation comprising said opioid or pharmaceutically acceptable salt thereof, said low molecular weight polyethylene oxide, and said high molecular weight polyethylene oxide; and   (b) curing said shaped pharmaceutical preparation by subjecting said preparation to a temperature from about 60° C. to about 90° C. for a time of from about 15 minutes to about 10 hours; and   (c) optionally applying one or more coatings to said shaped pharmaceutical preparation;   wherein the total combined weight of said high and low molecular weight polyethylene oxides is at least 79% by weight, and said percent by weight is based upon the total weight of said pharmaceutical preparation, not including the combined weight of said coatings.   
     
     
         171 . A process of preparing a cured shaped tablet as defined in  claim 170 , wherein the percent by weight of said opioid or pharmaceutically acceptable salt is at least 2.4%. 
     
     
         172 . A process of preparing a cured shaped tablet as defined in  claim 170 , wherein said time in said curing step is 15 minutes to 60 minutes. 
     
     
         173 . A process of preparing a cured shaped tablet as defined in  claim 170 , wherein said temperature in said curing step is from about 70° C. to about 78° C. 
     
     
         174 . A process of preparing a cured shaped extended release tablet comprising
 (1) hydrocodone or a pharmaceutically acceptable salt thereof,   (2) at least one low molecular weight polyethylene oxide having, based on rheological measurements, an approximate molecular weight of less than 1,000,000, and   (3) at least one high molecular weight polyethylene oxide having, based on rheological measurements, an approximate molecular weight of 7,000,000;   said process comprising the steps of:   (a) forming a shaped pharmaceutical preparation comprising said opioid or pharmaceutically acceptable salt thereof, said low molecular weight polyethylene oxide, and said high molecular weight polyethylene oxide; and   (b) curing said shaped pharmaceutical preparation by subjecting said preparation to a temperature from about 60° C. to about 90° C. for a time of from about 15 minutes to about 10 hours; and   (c) optionally applying one or more coatings to said shaped pharmaceutical preparation;   wherein said low molecular weight polyethylene oxide is at least 20% by weight, and the total combined weight of said high and low molecular weight polyethylene oxides is at least 79% by weight, and said percent by weight is based upon the total weight of said pharmaceutical preparation, not including the combined weight of said coatings.   
     
     
         175 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein said time in said curing step is 15 minutes to 60 minutes. 
     
     
         176 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein, said temperature in said curing step is from about 70° C. to about 78° C. 
     
     
         177 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein the percent by weight of said low molecular weight polyethylene oxide is at least 29% and the percent by weight of said high molecular weight polyethylene oxide is at least 50%. 
     
     
         178 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein the percent by weight of said hydrocodone or pharmaceutically acceptable salt thereof is at least 2.4%. 
     
     
         179 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein the percent by weight of said hydrocodone or pharmaceutically acceptable salt thereof is at least 5%. 
     
     
         180 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein the percent by weight of said hydrocodone or pharmaceutically acceptable salt thereof is at least 10%. 
     
     
         181 . A process of preparing a cured shaped tablet as defined in  claim 177 , wherein said temperature in said curing step is from about 70° C. to about 78° C. 
     
     
         182 . A process of preparing a cured shaped tablet as defined in  claim 177 , wherein said time in said curing step is 15 minutes to 60 minutes. 
     
     
         183 . A process of preparing a cured shaped tablet as defined in  claim 177 , wherein said temperature in said curing step is from about 70° C. to about 78° C. and said time in said curing step is 15 minutes to 60 minutes. 
     
     
         184 . A process of preparing a cured shaped tablet as defined in  claim 178 , wherein said temperature in said curing step is from about 70° C. to about 78° C. 
     
     
         185 . A process of preparing a cured shaped tablet as defined in  claim 178 , wherein said time in said curing step is 15 minutes to 60 minutes. 
     
     
         186 . A process of preparing a cured shaped tablet as defined in  claim 178 , wherein said temperature in said curing step is from about 70° C. to about 78° C. and said time in said curing step is 15 minutes to 60 minutes. 
     
     
         187 . A process of preparing a cured shaped tablet as defined in  claim 178 , wherein the percent by weight of said high molecular weight polyethylene oxide is at least 54%. 
     
     
         188 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein the total combined weight of said high and low molecular weight polyethylene oxides is at least 80% by weight. 
     
     
         189 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein the total combined weight of said high and low molecular weight polyethylene oxides is at least 90% by weight. 
     
     
         190 . A process of preparing a cured shaped tablet as defined in  claim 178 , wherein the total combined weight of said high and low molecular weight polyethylene oxides is at least 80% by weight. 
     
     
         191 . A process of preparing a cured shaped tablet as defined in  claim 178 , wherein the total combined weight of said high and low molecular weight polyethylene oxides is at least 85% by weight. 
     
     
         192 . A process of preparing a cured shaped tablet as defined in  claim 178 , wherein the total combined weight of said high and low molecular weight polyethylene oxides is at least 90% by weight. 
     
     
         193 . A process of preparing a cured shaped tablet as defined in  claim 170 , wherein said curing comprises convection curing in a convection curing device. 
     
     
         194 . A process of preparing a cured shaped tablet as defined in  claim 183 , wherein said curing comprises convection curing in a convection curing device. 
     
     
         195 . A process of preparing a cured shaped tablet as defined in  claim 194 , wherein said curing temperature is measured as a mean exhaust temperature of said convection curing device during said curing time. 
     
     
         196 . A process of preparing a cured shaped tablet as defined in  claim 174 , wherein said cured shaped pharmaceutical preparation has a density that is at least about 1% lower than the density of said shaped pharmaceutical preparation prior to curing. 
     
     
         197 . A process of preparing a cured shaped tablet as defined in  claim 177 , wherein said cured shaped pharmaceutical preparation has a density that is at least about 1% lower than the density of said shaped pharmaceutical preparation prior to curing. 
     
     
         198 . A process of preparing a cured shaped tablet as defined in  claim 195 , wherein said cured shaped pharmaceutical preparation has a density that is at least about 1% lower than the density of said shaped pharmaceutical preparation prior to curing. 
     
     
         199 . A process of preparing a cured shaped tablet as defined in  claim 186 , wherein the percent by weight of said high molecular weight polyethylene oxide is at least 54%, and wherein said cured shaped pharmaceutical preparation has a density that is at least about 1% lower than the density of said shaped pharmaceutical preparation prior to curing.