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DPP-IV inhibitor combined with a further antidiabetic agent, tablets comprising such formulations, their use and process for their preparation

DC
  • US 9,415,016 B2
  • Filed: 08/27/2015
  • Issued: 08/16/2016
  • Est. Priority Date: 04/03/2008
  • Status: Active Grant
First Claim
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1. A pharmaceutical composition comprising or made from:

  • (a) 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthine in a dosage of 2.5 mg or 5 mg,(b) metformin hydrochloride,(c) one or more pharmaceutical excipients, and(d) a basic amino acid having an intramolecular amino group and alkaline characteristics, which basic amino acid is present in an amount sufficient to suppress degradation of said 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthine,wherein the pharmaceutical composition is a tablet comprising a film-coat; and

    wherein the pharmaceutical composition comprises the following amounts (% by weight of total coated tablet mass);

    0.1-0.5% of 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthine, and 47-85% of metformin hydrochloride.

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