Extended release acetaminophen particles

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Capsules

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

424451, 424456, 424458, 424459, 424462, 424489, 424490, 424493, 424494, 424495, 424497, 514964, 514965, A61K 962, A61K 916

Patent

active

061269670

ABSTRACT:
An extended release acetaminophen composition comprises a plurality of discrete particles containing acetaminophen which, when contained within a gelatin capsule and assayed in a USP Apparatus I rotating basket at 50 rpm in 900 mL of phosphate buffer at pH 5.8 and 37.degree. C., exhibits about 40 percent to about 53 percent acetaminophen dissolution at one-half hour, about 50 percent to about 68 percent dissolution at 45 minutes, about 57 percent to about 77 percent acetaminophen dissolution at one hour, and about 82 percent to about 92 percent acetaminophen dissolution at two hours. After six hours, the contemplated extended release acetaminophen composition exhibits substantially complete dissolution. A process for treating a human patient with the extended release acetaminophen composition is also disclosed.

REFERENCES:
patent: 4820522 (1989-04-01), Radebaugh et al.
patent: 4867984 (1989-09-01), Patel
patent: 4874613 (1989-10-01), Hsiao
patent: 4952402 (1990-08-01), Sparks et al.
patent: 4983401 (1991-01-01), Eichel et al.
patent: 5026559 (1991-06-01), Eichel et al.
patent: 5032384 (1991-07-01), Yeh et al.
patent: 5773031 (1998-06-01), Shah et al.
patent: 5780055 (1998-07-01), Habib et al.
S.C. Porter, "Coating of Pharmecutical Dosage Forms," Remington's Pharmeceutical Sciences, 18.sup.th ed., A.R. Gonnaro ed., Chapter 90, Mack Publishing Co., Easton, PA (1990) pp. 1666-1675.
M.D. Rawlins, et al., Eur. J. Clin. Pharmacol., 11:283-286 (1977).
R. Langer, Science, 249:1527-1533 (1990).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Extended release acetaminophen particles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Extended release acetaminophen particles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extended release acetaminophen particles will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-192561

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.