A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
167/227
A61K 31/485 (2006.01) A61K 9/16 (2006.01) A61K 9/20 (2006.01) A61K 9/22 (2006.01) A61K 9/50 (2006.01) A61K 9/52 (2006.01)
Patent
CA 1297025
ABSTRACT A solid controlled release, oral dosage form, the dosage form comprising a therapeutically effective amount of hydromorphone or a salt thereof in a matrix wherein the dissolution rate in vitro of the dosage form, when measured by the USP Paddle Method at 100rpm in 900ml aqueous buffer (pH between 1.6 and 7.2) at 37°C is between 12.5% and 42.5% (by weight) hydromorphone released after l hour, between 25% and 55% (by weight hydromorphone released after 2 hours, between 45% and 75% (by weight) hydromorphone released after 4 hours and between 55% and 85% by weight) hydromorphone released after 6 hours, the in vitro release rate being independent of pH between pH 1.6 and 7.2 and chosen such that the peak plasma level of hydromorphone obtained in vivo occurs between 2 and 4 hours after administration of the dosage form.
550717
Brown Miller Ronald
Goldie Robert Stronech
Leslie Stewart Thomas
Malkowska Sandra Therese Antoinette
Borden Ladner Gervais Llp
Euroceltique S.a.
LandOfFree
Controlled release hydromorphone composition does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Controlled release hydromorphone composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Controlled release hydromorphone composition will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1335850