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Sublingual films

  • US 8,414,922 B2
  • Filed: 04/12/2012
  • Issued: 04/09/2013
  • Est. Priority Date: 12/16/2010
  • Status: Active Grant
First Claim
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1. A pharmaceutical composition in unit dosage form formulated for sublingual administration, wherein said unit dosage form is a film comprising:

  • (A) a first layer comprising;

    (i) from 10 to 75% (w/w) apomorphine hydrochloride;

    (ii) from 0.5 to 10% (w/w) a low molecular weight polymer having a weight average molecular weight of from 5 KDa to 50 KDa selected from hydroxypropyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, and methyl cellulose; and

    (iii) from 4 to 35% (w/w) a high molecular weight polymer having a weight average molecular weight of greater than 60 KDa selected from hydroxypropyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, and methyl cellulose, and(B) a second layer comprising;

    (iv) from 6 to 65% (w/w) a pH neutralizing agent that is an organic base having a pKa of 5±

    2, and(v) from 15 to 50% (w/w) of a high molecular weight polymer having a weight average molecular weight of greater than 60 KDa selected from hydroxypropyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, and methyl cellulose,wherein said first layer comprises from 2 to 60 mg of apomorphine hydrochloride,wherein, following sublingual administration to subjects, said unit dosage form produces an average circulating concentration of 3 to 6 ng/mL within a period of from 7 to 20 minutes, andwherein said unit dosage form when placed in 1 mL of unbuffered water at pH 7 results in a solution having a pH of between 4.5 and 6.5.

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