US20080107731A1 - Dpp iv inhibitor formulations - Google Patents

Dpp iv inhibitor formulations Download PDF

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Publication number
US20080107731A1
US20080107731A1 US11/744,701 US74470107A US2008107731A1 US 20080107731 A1 US20080107731 A1 US 20080107731A1 US 74470107 A US74470107 A US 74470107A US 2008107731 A1 US2008107731 A1 US 2008107731A1
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Prior art keywords
pharmaceutical composition
diluent
tablet
disintegrant
lubricant
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Abandoned
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US11/744,701
Inventor
Anja Kohlrausch
Patrick Romer
Gerd Seiffert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boehringer Ingelheim International GmbH
Original Assignee
Boehringer Ingelheim International GmbH
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Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36972901&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20080107731(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Boehringer Ingelheim International GmbH filed Critical Boehringer Ingelheim International GmbH
Publication of US20080107731A1 publication Critical patent/US20080107731A1/en
Assigned to BOEHRINGER INGELHEIM INTERNATIONAL GMBH reassignment BOEHRINGER INGELHEIM INTERNATIONAL GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SEIFFERT, GERD, ROMER, PATRICK, KOHLRAUSCH, ANJA
Priority to US13/230,133 priority Critical patent/US20120003313A1/en
Priority to US13/467,505 priority patent/US20120219622A1/en
Priority to US13/735,078 priority patent/US20130122089A1/en
Priority to US14/877,019 priority patent/US20160022687A1/en
Priority to US15/655,269 priority patent/US20170312287A1/en
Priority to US16/357,357 priority patent/US11033552B2/en
Priority to US17/319,325 priority patent/US20210260068A1/en
Abandoned legal-status Critical Current

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    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
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Definitions

  • the present invention relates to pharmaceutical compositions of selected DPP IV inhibitors, their preparation and their use to treat selected medical conditions.
  • DPP-IV dipeptidyl peptidase IV
  • CD26 The enzyme DPP-IV (dipeptidyl peptidase IV) also known as CD26 is a serine protease known to lead to the cleavage of a dipeptide from the N-terminal end of a number of proteins having at their N-terminal end a prolin or alanin residue. Due to this property DPP-IV inhibitors interfere with the plasma level of bioactive peptides including the peptide GLP-1 and are considered to be promising drugs for the treatment of diabetes mellitus.
  • DPP-IV inhibitors with a primary or secondary amino group show incompatibilities, degradation problems, or extraction problems with a number of customary excipients such as microcrystalline cellulose, sodium starch glycolate, croscarmellose sodium, tartaric acid, citric acid, glucose, fructose, saccharose, lactose, maltodextrines.
  • customary excipients such as microcrystalline cellulose, sodium starch glycolate, croscarmellose sodium, tartaric acid, citric acid, glucose, fructose, saccharose, lactose, maltodextrines.
  • the compounds themselves are very stable, they react with many excipients used in solid dosage forms and with impurities of excipients, especially in tight contact provided in tablets and at high excipient/drug ratios.
  • a pharmaceutical composition according to the present invention is intended for the treatment of to achieve glycemic control in a type 1 or type 2 diabetes mellitus patient and comprises a DPP-IV inhibitor with an amino group, especially a free or primary amino group, as an active ingredient, a first and second diluent, a binder, a disintegrant and a lubricant.
  • An additional disintegrant and an additional glidant are a further option.
  • the compositions can be used to treat rheumatoid arthritis, obesity and osteoporosis as well as to support allograft transplantation.
  • Diluents suitable for a pharmaceutical composition according to the invention are cellulose powder, dibasic calciumphosphate anhydrous, dibasic calciumphosphate dihydrate, erythritol, low substituted hydroxypropyl cellulose, mannitol, pregelatinized starch or xylitol. Among those diluents mannitol and pregelatinized starch are preferred.
  • Diluents preferred as the second diluent are the above mentioned diluents pre-gelatinized starch and low-substituted hydroxypropylcellulose (L-HPC) which show additional binder properties.
  • Lubricants suitable for a pharmaceutical composition according to the invention are talc, polyethyleneglycol, calcium behenate, calcium stearate, hydrogenated castor oil or magnesium stearate.
  • the preferred lubricant is magnesium stearate.
  • Binders suitable for a pharmaceutical composition according to the invention are copovidone (copolymerisates of vinylpyrrolidon with other vinylderivates), hydroxypropyl methylcellulose (HPMC), hydroxypropylcellulose (HPC), polyvinylpyrrolidon (povidone), pregelatinized starch, low-substituted hydroxypropylcellulose (L-HPC), copovidone and pregelatinized starch being preferred.
  • binders pregelatinized starch and L-HPC show additional diluent and disintegrant properties and can also be used as the second diluent or the disintegrant.
  • Disintegrants suitable for a pharmaceutical composition according to the present invention are corn starch, crospovidone, low-substituted hydroxypropylcellulose (L-HPC) or pregelatinized starch, corn starch being preferred.
  • colloidal silicon dioxide can be used as an optional glidant colloidal silicon dioxide.
  • An exemplary composition according to the present invention comprises the diluent mannitol, pregelatinized starch as a diluent with additional binder properties, the binder copovidone, the disintegrant corn starch, and magnesium stearate as the lubricant.
  • Dosage forms prepared with a pharmaceutical compositions according to the present invention contain active ingredients in dosage ranges of 0.1-100 mg. Preferred dosages are 0.5 mg, 1 mg, 2.5 mg, 5 mg and 10 mg.
  • Typical pharmaceutical compositions comprise (% by weight)
  • active ingredient 40-88% diluent 1, 3-40% diluent 2, 1-5% binder, 5-15% disintegrant, and 0.1-4% lubricant.
  • Preferred pharmaceutical compositions comprise (% by weight)
  • compositions according to the invention are intended for oral use and can be used in the dosage form of a capsule, a tablet or a film-coated tablet.
  • the film coat represents 2-4%, preferably 3% of the composition and comprises a film-forming agent, a plasticizer, a glidant and optionally one or more pigments.
  • An exemplary coat composition may comprise hydroxypropylmethyl-cellulose (HPMC), polyethylene glycol (PEG), talc, titanium dioxide and optionally iron oxide.
  • DPP-IV inhibitors with a primary amino group and salts thereof such as any DPP-IV inhibitor and salt thereof defined by formula (I)
  • R1 is ([1,5]naphthyridin-2-yl)methyl, (quinazolin-2-yl)methyl], (quinoxalin-6-yl)methyl, (4-Methyl-quinazolin-2-yl)methyl, 2-Cyano-benzyl, (3-Cyano-quinolin-2-yl)methyl, (3-Cyano-pyridin-2-yl)methyl, (4-Methyl-pyrimidin-2-yl)methyl, or (4,6-Dimethyl-pyrimidin-2-yl)methyl, and R2 is 3-(R)-amino-piperidin-1-yl, (2-amino-2-methyl-propyl)-methylamino or (2-(S)-amino-propyl)-methylamino.
  • Preferred DPP IV inhibitor compounds are the following compounds and salts thereof:
  • compositions according to the invention can be prepared by a wet granulation process.
  • Alternative methods for granulation of active ingredient and excipients with a granulation liquid are fluid bed granulation or one-pot granulation.
  • the granulation liquid is a solvent such as water, ethanol, methanol, isopropanol, acetone, preferably purified water, and contains a binder such as copovidone.
  • the solvent is a volatile component, which does not remain in the final product.
  • the active ingredient and the other excipients with exception of the lubricant are premixed and granulated with the aqueous granulation liquid using a high shear granulator.
  • the wet granulation step is followed by an optional wet sieving step, drying and dry sieving of the granules. For example a fluid bed dryer can then be used for drying.
  • the dried granules are sieved through an appropriate sieve.
  • a suitable conventional blender such as a free fall blender followed by addition of the lubricant such as magnesium stearate and final blending in the blender.
  • an exemplary wet granulation process for the preparation of a pharmaceutical composition according to the present invention comprises
  • part of the exipients such as part of a disintegrant (e.g. corn starch) or a diluent (e.g. pregelatinized starch) or an additional disintegrant (crospovidone) can be added extragranular prior to final blending of step g.
  • a disintegrant e.g. corn starch
  • a diluent e.g. pregelatinized starch
  • an additional disintegrant crospovidone
  • the granulate produced in steps a to e is produced in a one pot high shear granulation process and subsequent drying in a one pot granulator.
  • the final blend is further filled into capsules.
  • the final blend is further compressed into tablets of the target tablet core weight with appropriate size and crushing strength, using an appropriate tablet press.
  • a coating suspension is prepared and the compressed tablet cores are coated with the coating suspension to a weight gain of about 2-4%, preferably about 3%, using a standard film coater.
  • the film-coating solvent is a volatile component, which does not remain in the final product.
  • An active DPP IV inhibitor ingredient with a primary amino group and all other excipients with exception of magnesium stearate are blended in a high shear blender. This pre-mix is sieved through a 1 mm sieve. After addition of magnesium stearate the pre-mix is blended in a free fall blender to produce the final blend. The final blend is compressed into tablets using a suitable tablet press.
  • the following compositions can be obtained:
  • Component mg/tablet %/tablet mg/tablet %/tablet Active ingredient 1.000 2.000 2.500 2.000 Mannitol 43.250 86.500 108.125 86.500 Pregelatinized starch 5.000 10.000 12.500 10.000 Magnesium stearate 0.750 1.500 1.875 1.500 Total 50.000 100.000 125.000 100.000
  • Component mg/tablet %/tablet mg/tablet %/tablet Active ingredient 5.000 2.000 10.000 2.000 Mannitol 216.250 86.500 432.500 86.500
  • An active DPP IV inhibitor ingredient with a primary amino group and all other excipients with exception of magnesium stearate are blended in a high shear blender. This pre-mix is sieved through a 1 mm sieve. After addition of magnesium stearate the pre-mix is blended in a free fall blender to produce the final blend. The final blend is compressed into tablets using a suitable tablet press.
  • the following compositions can be obtained:
  • Component mg/tablet %/tablet mg/tablet %/tablet Active ingredient 10.000 1.667 10.000 2.222 Dibasic 464.000 77.333 344.000 76.788 calciumphosphate, anhydrous Low-substituted 120.000 20.000 90.000 20.000 hydroxypropylcellulose Magnesium stearate 6.000 1.000 6.000 1.000 Total 600.000 100.000 450.000 100.000
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid.
  • An active DPP IV inhibitor ingredient with a primary amino group, mannitol and part of the pregelatinized starch are blended in a suitable mixer, to produce a pre-mix.
  • the pre-mix is moistened with the granulation liquid and subsequently granulated.
  • the moist granulate is optionally sieved through a sieve with a mesh size of 1.6-3.0 mm.
  • the granulate is dried at 55 ° C. in a suitable dryer to a residual moisture content corresponding to 2-5% loss on drying.
  • the dried granulate is sieved through a sieve with a mesh size of 1.0 mm.
  • the granulate is blended with part of the pregelatinized starch in a suitable mixer.
  • Magnesium stearate is added to this blend after passing through a 1.0 mm sieve for delumping.
  • the final blend is produced by final blending in a suitable mixer and compressed into tablets.
  • the following tablet composition can be obtained:
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid.
  • An active DPP IV inhibitor ingredient with a primary amino group, mannitol, pregelatinized starch and corn starch are blended in a suitable mixer to produce the pre-mix.
  • the pre-mix is moistened with the granulation liquid and subsequently granulated using a high shear mixer.
  • the moist granulate is optionally sieved through a sieve with a mesh size of 1.6-3.0 mm.
  • the granulate is dried at about 60° C. in a fluid bed dryer until a loss on the drying value of 2-4% is obtained.
  • the Final Blend is compressed into tablet cores.
  • Hydroxypropyl methylcellulose, polyethylene glycol, talc, titanium dioxide and iron oxide are suspended in purified water in a suitable mixer at ambient temperature to produce a coating suspension.
  • the tablet cores are coated with the coating suspension to a weight gain of about 3% to produce film-coated tablets.
  • the following tablet compositions can be obtained:
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid.
  • An active DPP IV inhibitor ingredient with a primary amino group, mannitol and pregelatinized starch are blended in a suitable mixer to produce a pre-mix.
  • the pre-mix is moistened with the granulation liquid and subsequently granulated.
  • the moist granulate is optionally sieved through a suitable sieve.
  • the granulate is dried at about 50° C. in a suitable dryer until a loss on drying value of 3-5% is obtained.
  • the dried granulate is sieved through a sieve with a mesh size of 1.0 mm.
  • Magnesium stearate is passed through a 1.0 mm sieve and added to the granulate. Subsequently the final blend is produced by final blending in a suitable blender and the final blend is compressed into tablets.
  • the following tablet compositions can be obtained:
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid.
  • An active DPP IV inhibitor ingredient with a primary amino group and a part of mannitol, pregelatinized starch and corn starch are blended in a suitable mixer, to produce a pre-mix.
  • the pre-mix is moistened with the granulation liquid and subsequently granulated.
  • the moist granulate is sieved through a suitable sieve.
  • the granulate is dried at about 60° C. inlet air temperature in a fluid bed dryer until a loss on drying value of 1-4% is obtained.
  • the dried granulate is sieved through a sieve with a mesh size of 1.0 mm.
  • Magnesium stearate is passed through a sieve for delumping and added to the granulate. Additionally the remaining part of the exipients are added extragranular at this process step. Subsequently the final blend is produced by final blending in a suitable blender and compressed into tablet cores.
  • Hydroxypropyl methylcellulose, polyethylene glycol, talc, titanium dioxide and iron oxide are suspended in purified water in a suitable mixer at ambient temperature to produce a coating suspension.
  • the tablet cores are coated with the coating suspension to a weight gain of about 3% to produce film-coated tablets.
  • the following formulation variants can be obtained:
  • Formulation E Component mg/Tablet %/Tablet mg/Tablet %/Tablet Active ingredient 1.000 1.111 1.000 1.111 Mannitol 23.300 25.889 66.950 74.389 Pregelatinized starch 4.500 5.000 4.500 5.000 Corn starch 4.500 5.000 4.500 5.000 Copovidone 1.350 1.500 2.700 3.000 Total (granulate) 34.650 38.500 79.650 88.500 Corn starch 4.500 5.000 4.500 5.000 4.500 5.000 Mannitol 45.000 50.000 Magnesium stearate 1.350 1.500 1.350 1.500 Total (tablet core) 90.000 100.000 90.000 100.000 100.000

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Abstract

The present invention relates to pharmaceutical compositions of DPP IV inhibitors with an amino group, their preparation and their use to treat diabetes mellitus.

Description

    BACKGROUND OF THE INVENTION
  • This Application claims priority of EP 06 009 201, which is hereby incorporated by reference in its entirety.
  • 1. Field of the Invention
  • The present invention relates to pharmaceutical compositions of selected DPP IV inhibitors, their preparation and their use to treat selected medical conditions.
  • 2. Description of the Prior Art
  • The enzyme DPP-IV (dipeptidyl peptidase IV) also known as CD26 is a serine protease known to lead to the cleavage of a dipeptide from the N-terminal end of a number of proteins having at their N-terminal end a prolin or alanin residue. Due to this property DPP-IV inhibitors interfere with the plasma level of bioactive peptides including the peptide GLP-1 and are considered to be promising drugs for the treatment of diabetes mellitus.
    • DETAILED DESCRIPTION OF THE INVENTION
  • In attempts to prepare pharmaceutical compositions of selected DPP-IV inhibitors it has been observed, that the DPP-IV inhibitors with a primary or secondary amino group show incompatibilities, degradation problems, or extraction problems with a number of customary excipients such as microcrystalline cellulose, sodium starch glycolate, croscarmellose sodium, tartaric acid, citric acid, glucose, fructose, saccharose, lactose, maltodextrines. Though the compounds themselves are very stable, they react with many excipients used in solid dosage forms and with impurities of excipients, especially in tight contact provided in tablets and at high excipient/drug ratios. The amino group appears to react with reducing sugars and with other reactive carbonyl groups and with carboxylic acid functional groups formed for example at the surface of microcrystalline cellulose by oxidation. These unforeseen difficulties are primarily observed in low dosage ranges which are required due to the surprising potency of the selected inhibitors. Thus, pharmaceutical compositions are required so solve these technical problems associated with the unexpected potency of selected DPP-IV inhibitor compounds.
  • A pharmaceutical composition according to the present invention is intended for the treatment of to achieve glycemic control in a type 1 or type 2 diabetes mellitus patient and comprises a DPP-IV inhibitor with an amino group, especially a free or primary amino group, as an active ingredient, a first and second diluent, a binder, a disintegrant and a lubricant. An additional disintegrant and an additional glidant are a further option. Additionally the compositions can be used to treat rheumatoid arthritis, obesity and osteoporosis as well as to support allograft transplantation.
  • Diluents suitable for a pharmaceutical composition according to the invention are cellulose powder, dibasic calciumphosphate anhydrous, dibasic calciumphosphate dihydrate, erythritol, low substituted hydroxypropyl cellulose, mannitol, pregelatinized starch or xylitol. Among those diluents mannitol and pregelatinized starch are preferred.
  • Diluents preferred as the second diluent are the above mentioned diluents pre-gelatinized starch and low-substituted hydroxypropylcellulose (L-HPC) which show additional binder properties.
  • Lubricants suitable for a pharmaceutical composition according to the invention are talc, polyethyleneglycol, calcium behenate, calcium stearate, hydrogenated castor oil or magnesium stearate. The preferred lubricant is magnesium stearate.
  • Binders suitable for a pharmaceutical composition according to the invention are copovidone (copolymerisates of vinylpyrrolidon with other vinylderivates), hydroxypropyl methylcellulose (HPMC), hydroxypropylcellulose (HPC), polyvinylpyrrolidon (povidone), pregelatinized starch, low-substituted hydroxypropylcellulose (L-HPC), copovidone and pregelatinized starch being preferred.
  • The above mentioned binders pregelatinized starch and L-HPC show additional diluent and disintegrant properties and can also be used as the second diluent or the disintegrant.
  • Disintegrants suitable for a pharmaceutical composition according to the present invention are corn starch, crospovidone, low-substituted hydroxypropylcellulose (L-HPC) or pregelatinized starch, corn starch being preferred.
  • As an optional glidant colloidal silicon dioxide can be used.
  • An exemplary composition according to the present invention comprises the diluent mannitol, pregelatinized starch as a diluent with additional binder properties, the binder copovidone, the disintegrant corn starch, and magnesium stearate as the lubricant.
  • Dosage forms prepared with a pharmaceutical compositions according to the present invention contain active ingredients in dosage ranges of 0.1-100 mg. Preferred dosages are 0.5 mg, 1 mg, 2.5 mg, 5 mg and 10 mg.
  • Typical pharmaceutical compositions comprise (% by weight)
  •
    0.5-20%  active ingredient
    40-88% diluent 1,
     3-40% diluent 2,
    1-5% binder,
     5-15% disintegrant, and
    0.1-4%   lubricant.
  • Preferred pharmaceutical compositions comprise (% by weight)
  •
    0.5-7%   active ingredient
    50-75% diluent 1,
     5-15% diluent 2,
    2-4% binder,
     8-12% disintegrant, and
    0.5-2%   lubricant
  • The pharmaceutical compositions according to the invention are intended for oral use and can be used in the dosage form of a capsule, a tablet or a film-coated tablet. Typically the film coat represents 2-4%, preferably 3% of the composition and comprises a film-forming agent, a plasticizer, a glidant and optionally one or more pigments. An exemplary coat composition may comprise hydroxypropylmethyl-cellulose (HPMC), polyethylene glycol (PEG), talc, titanium dioxide and optionally iron oxide.
  • Preferred active ingredients in the context of the present invention are DPP-IV inhibitors with a primary amino group and salts thereof such as any DPP-IV inhibitor and salt thereof defined by formula (I)
  • Figure US20080107731A1-20080508-C00001
  • or formula (II)
  • Figure US20080107731A1-20080508-C00002
  • wherein R1 is ([1,5]naphthyridin-2-yl)methyl, (quinazolin-2-yl)methyl], (quinoxalin-6-yl)methyl, (4-Methyl-quinazolin-2-yl)methyl, 2-Cyano-benzyl, (3-Cyano-quinolin-2-yl)methyl, (3-Cyano-pyridin-2-yl)methyl, (4-Methyl-pyrimidin-2-yl)methyl, or (4,6-Dimethyl-pyrimidin-2-yl)methyl, and R2 is 3-(R)-amino-piperidin-1-yl, (2-amino-2-methyl-propyl)-methylamino or (2-(S)-amino-propyl)-methylamino.
  • Preferred DPP IV inhibitor compounds are the following compounds and salts thereof:
      • 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthine (compare WO 2004/018468, example 2(142):
  • Figure US20080107731A1-20080508-C00003
      • 1-[([1,5]naphthyridin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2004/018468, example 2(252)):
  • Figure US20080107731A1-20080508-C00004
      • 1-[(Quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2004/018468, example 2(80)):
  • Figure US20080107731A1-20080508-C00005
      • 2-((R)-3-Amino-piperidin-1-yl)-3-(but-2-yinyl)-5-(4-methyl-quinazolin-2-ylmethyl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one (compare WO 2004/050658, example 136):
  • Figure US20080107731A1-20080508-C00006
      • 1-[(4-Methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyin-1-yl)-8-[(2-amino-2-methyl-propyl)-methylamino]-xanthine (compare WO 2006/029769, example 2(1)):
  • Figure US20080107731A1-20080508-C00007
      • 1-[(3-Cyano-quinolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2005/085246, example 1(30)):
  • Figure US20080107731A1-20080508-C00008
      • 1-(2-Cyano-benzyl)-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2005/085246, example 1(39)):
  • Figure US20080107731A1-20080508-C00009
      • 1-[(4-Methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-[(S)-(2-amino-propyl)-methylamino]-xanthine (compare WO 2006/029769, example 2(4)):
  • Figure US20080107731A1-20080508-C00010
      • 1-[(3-Cyano-pyridin-2-yl )methyl]-3-methyl-7-(2-butyn-1-yl )-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2005/085246, example 1(52)):
  • Figure US20080107731A1-20080508-C00011
      • 1-[(4-Methyl-pyrimidin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2005/085246, example 1(81)):
  • Figure US20080107731A1-20080508-C00012
      • 1-[(4,6-Dimethyl-pyrimidin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2005/085246, example 1(82)):
  • Figure US20080107731A1-20080508-C00013
      • 1-[(Quinoxalin-6-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-((R)-3-amino-piperidin-1-yl)-xanthine (compare WO 2005/085246, example 1(83)):
  • Figure US20080107731A1-20080508-C00014
  • To prepare compositions according to the invention a granulate can be prepared by a wet granulation process. Alternative methods for granulation of active ingredient and excipients with a granulation liquid are fluid bed granulation or one-pot granulation.
  • In the wet granulation process the granulation liquid is a solvent such as water, ethanol, methanol, isopropanol, acetone, preferably purified water, and contains a binder such as copovidone. The solvent is a volatile component, which does not remain in the final product. The active ingredient and the other excipients with exception of the lubricant are premixed and granulated with the aqueous granulation liquid using a high shear granulator. The wet granulation step is followed by an optional wet sieving step, drying and dry sieving of the granules. For example a fluid bed dryer can then be used for drying.
  • The dried granules are sieved through an appropriate sieve. After addition of the other excipients with exception of the lubricant the mixture is blended in a suitable conventional blender such as a free fall blender followed by addition of the lubricant such as magnesium stearate and final blending in the blender.
  • Thus an exemplary wet granulation process for the preparation of a pharmaceutical composition according to the present invention comprises
      • a. dissolving a binder such as copovidone in a solvent such as purified water at ambient temperature to produce a granulation liquid;
      • b. blending a DPP-IV inhibitor, a diluent, and a disintegrant in a suitable mixer, to produce a pre-mix;
      • c. moistening the pre-mix with the granulation liquid and subsequently granulating the moistened pre-mix for example in a high shear mixer;
      • d. optionally sieving the granulated pre-mix through a sieve with a mesh size of at least 1.0 mm and preferably 3 mm;
      • e. drying the granulate at about 40-75° C. and preferably 55-65° C. inlet air temperature for example in a fluid bed dryer until the desired loss on drying value in the range of 1-5% is obtained;
      • f. delumping the dried granulate for example by sieving through a sieve with a mesh size of 0.6 mm-1.6 mm, preferably 1.0 mm; and
      • g. adding preferably sieved lubricant to the granulate for final blending for example in a cube mixer.
  • In an alternative process part of the exipients such as part of a disintegrant (e.g. corn starch) or a diluent (e.g. pregelatinized starch) or an additional disintegrant (crospovidone) can be added extragranular prior to final blending of step g.
  • In another alternative version of the process the granulate produced in steps a to e is produced in a one pot high shear granulation process and subsequent drying in a one pot granulator.
  • For the preparation of capsules the final blend is further filled into capsules.
  • For the preparation of tablets or tablet cores the final blend is further compressed into tablets of the target tablet core weight with appropriate size and crushing strength, using an appropriate tablet press.
  • For the preparation of film-coated tablets a coating suspension is prepared and the compressed tablet cores are coated with the coating suspension to a weight gain of about 2-4%, preferably about 3%, using a standard film coater. The film-coating solvent is a volatile component, which does not remain in the final product. To reduce the required amount of lubricant in the tablets it is an option to use an external lubrication system.
    • EXAMPLES Example 1 Formulation for Direct Compression
  • An active DPP IV inhibitor ingredient with a primary amino group and all other excipients with exception of magnesium stearate are blended in a high shear blender. This pre-mix is sieved through a 1 mm sieve. After addition of magnesium stearate the pre-mix is blended in a free fall blender to produce the final blend. The final blend is compressed into tablets using a suitable tablet press. The following compositions can be obtained:
  • Component mg/tablet %/tablet mg/tablet %/tablet
    Active ingredient 1.000 2.000 2.500 2.000
    Mannitol 43.250 86.500 108.125 86.500
    Pregelatinized starch 5.000 10.000 12.500 10.000
    Magnesium stearate 0.750 1.500 1.875 1.500
    Total 50.000 100.000 125.000 100.000
  • Component mg/tablet %/tablet mg/tablet %/tablet
    Active ingredient 5.000 2.000 10.000 2.000
    Mannitol 216.250 86.500 432.500 86.500
    Pregelatinized starch 25.000 10.000 50.000 10.000
    Magnesium stearate 3.750 1.500 7.500 1.500
    Total 250.000 100.000 500.000 100.000
    • Example 2 Alternative Formulation for Direct Compression
  • An active DPP IV inhibitor ingredient with a primary amino group and all other excipients with exception of magnesium stearate are blended in a high shear blender. This pre-mix is sieved through a 1 mm sieve. After addition of magnesium stearate the pre-mix is blended in a free fall blender to produce the final blend. The final blend is compressed into tablets using a suitable tablet press. The following compositions can be obtained:
  • Component mg/tablet %/tablet mg/tablet %/tablet
    Active ingredient 1.000 1.667 0.500 0.833
    Dibasic 46.400 77.333 46.900 78.177
    calciumphosphate,
    anhydrous
    Low-substituted 12.000 20.000 12.000 20.000
    hydroxypropylcellulose
    Magnesium stearate 0.600 1.000 0.600 1.000
    Total 60.000 100.000 60.000 100.000
  • Component mg/tablet %/tablet mg/tablet %/tablet
    Active ingredient 10.000 1.667 10.000 2.222
    Dibasic 464.000 77.333 344.000 76.788
    calciumphosphate,
    anhydrous
    Low-substituted 120.000 20.000 90.000 20.000
    hydroxypropylcellulose
    Magnesium stearate 6.000 1.000 6.000 1.000
    Total 600.000 100.000 450.000 100.000
    • Example 3 Tablet Formulation
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid. An active DPP IV inhibitor ingredient with a primary amino group, mannitol and part of the pregelatinized starch are blended in a suitable mixer, to produce a pre-mix. The pre-mix is moistened with the granulation liquid and subsequently granulated. The moist granulate is optionally sieved through a sieve with a mesh size of 1.6-3.0 mm. The granulate is dried at 55 ° C. in a suitable dryer to a residual moisture content corresponding to 2-5% loss on drying. The dried granulate is sieved through a sieve with a mesh size of 1.0 mm. The granulate is blended with part of the pregelatinized starch in a suitable mixer. Magnesium stearate is added to this blend after passing through a 1.0 mm sieve for delumping. Subsequently the final blend is produced by final blending in a suitable mixer and compressed into tablets. The following tablet composition can be obtained:
  • Component mg/tablet %/tablet
    Active ingredient 10.000 1.667
    Pregelatinized starch 210.000 35.000
    Mannitol 236.000 39.333
    Copovidone 18.000 3.000
    Total (granulate) 474.000 79.000
    Pregelatinized starch 120.000 20.000
    Magnesium stearate 6.000 1.000
    Total 600.000 100.000
    • Example 4 Coated Tablet Formulation
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid. An active DPP IV inhibitor ingredient with a primary amino group, mannitol, pregelatinized starch and corn starch are blended in a suitable mixer to produce the pre-mix. The pre-mix is moistened with the granulation liquid and subsequently granulated using a high shear mixer. The moist granulate is optionally sieved through a sieve with a mesh size of 1.6-3.0 mm. The granulate is dried at about 60° C. in a fluid bed dryer until a loss on the drying value of 2-4% is obtained. The Final Blend is compressed into tablet cores.
  • Hydroxypropyl methylcellulose, polyethylene glycol, talc, titanium dioxide and iron oxide are suspended in purified water in a suitable mixer at ambient temperature to produce a coating suspension. The tablet cores are coated with the coating suspension to a weight gain of about 3% to produce film-coated tablets. The following tablet compositions can be obtained:
  • Component mg mg mg mg mg
    Active ingredient 0.500 1.000 2.500 5.000 10.000
    Mannitol 67.450 66.950 65.450 130.900 125.900
    Pregelatinized starch 9.000 9.000 9.000 18.000 18.000
    Corn starch 9.000 9.000 9.000 18.000 18.000
    Copovidone 2.700 2.700 2.700 5.400 5.400
    Magnesium stearate 1.350 1.350 1.350 2.700 2.700
    Total Mass 90.000 90.000 90.000 180.000 180.000
    (tablet core)
    HPMC 1.500 1.500 1.500 2.500 2.500
    PEG 0.150 0.150 0.150 0.250 0.250
    Titanium dioxide 0.750 0.750 0.750 1.250 1.250
    Talc 0.525 0.525 0.525 0.875 0.875
    Iron oxide, yellow 0.075 0.075 0.075 0.125 0.125
    Total Mass 93.000 93.000 93.000 185.000 185.000
    (coated tablet)
    • Example 5 Tablet Formulation
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid. An active DPP IV inhibitor ingredient with a primary amino group, mannitol and pregelatinized starch are blended in a suitable mixer to produce a pre-mix. The pre-mix is moistened with the granulation liquid and subsequently granulated. The moist granulate is optionally sieved through a suitable sieve. The granulate is dried at about 50° C. in a suitable dryer until a loss on drying value of 3-5% is obtained. The dried granulate is sieved through a sieve with a mesh size of 1.0 mm.
  • Magnesium stearate is passed through a 1.0 mm sieve and added to the granulate. Subsequently the final blend is produced by final blending in a suitable blender and the final blend is compressed into tablets. The following tablet compositions can be obtained:
  • Component mg mg mg mg mg
    Active ingredient 0.500 1.000 2.500 5.000 10.000
    Mannitol 27.500 27.000 67.500 135.000 130.000
    Pregelatinized starch 20.000 20.000 50.000 100.000 100.000
    Copovidone 1.500 1.500 3.750 7.500 7.500
    Magnesium stearate 0.500 0.500 1.250 2.500 2.500
    Total tablet mass 50.000 50.000 125.000 250.000 250.000
    • Example 6 Tablet Formulation Variants
  • Copovidone is dissolved in purified water at ambient temperature to produce a granulation liquid. An active DPP IV inhibitor ingredient with a primary amino group and a part of mannitol, pregelatinized starch and corn starch are blended in a suitable mixer, to produce a pre-mix. The pre-mix is moistened with the granulation liquid and subsequently granulated. The moist granulate is sieved through a suitable sieve. The granulate is dried at about 60° C. inlet air temperature in a fluid bed dryer until a loss on drying value of 1-4% is obtained. The dried granulate is sieved through a sieve with a mesh size of 1.0 mm.
  • Magnesium stearate is passed through a sieve for delumping and added to the granulate. Additionally the remaining part of the exipients are added extragranular at this process step. Subsequently the final blend is produced by final blending in a suitable blender and compressed into tablet cores.
  • Hydroxypropyl methylcellulose, polyethylene glycol, talc, titanium dioxide and iron oxide are suspended in purified water in a suitable mixer at ambient temperature to produce a coating suspension. The tablet cores are coated with the coating suspension to a weight gain of about 3% to produce film-coated tablets. The following formulation variants can be obtained:
    • Example 6.1 Formulation Variants with Extragranular Excipients
  • Formulation E Formulation F
    Component mg/Tablet %/Tablet mg/Tablet %/Tablet
    Active ingredient 1.000 1.111 1.000 1.111
    Mannitol 23.300 25.889 66.950 74.389
    Pregelatinized starch 4.500 5.000 4.500 5.000
    Corn starch 4.500 5.000 4.500 5.000
    Copovidone 1.350 1.500 2.700 3.000
    Total (granulate) 34.650 38.500 79.650 88.500
    Corn starch 4.500 5.000 4.500 5.000
    Pregelatinized starch 4.500 5.000 4.500 5.000
    Mannitol 45.000 50.000
    Magnesium stearate 1.350 1.500 1.350 1.500
    Total (tablet core) 90.000 100.000 90.000 100.000
    • Example 6.2 Formulation Variants with Additional Extragranular Disintegrant
  • Component mg mg mg mg mg
    Active ingredient 0.500 1.000 2.500 5.000 10.000
    Mannitol 67.450 66.950 65.450 130.900 125.900
    Pregelatinized starch 9.000 9.000 9.000 18.000 18.000
    Corn starch 9.000 9.000 9.000 18.000 18.000
    Copovidone 2.700 2.700 2.700 5.400 5.400
    Total Mass 88.650 88.650 88.650 177.300 177.300
    (granulate)
    Magnesium stearate 1.350 1.350 1.350 2.700 2.700
    Crospovidone 2.000 2.000 2.000 4.000 4.000
    Total Mass 92.000 92.000 92.000 184.000 184.000
    (tablet core)
    HPMC 1.500 1.500 1.500 2.500 2.500
    PEG 0.150 0.150 0.150 0.250 0.250
    Titanium dioxide 0.750 0.750 0.750 1.250 1.250
    Talc 0.525 0.525 0.525 0.875 0.875
    Iron oxide, yellow 0.075 0.075 0.075 0.125 0.125
    Total Mass 95.000 95.000 95.000 189.000 189.000
    (coated tablet)
    • Example 6.3 High Dose Formulations D
  • mg/
    Component tablet %/tablet mg/tablet %/tablet
    Active ingredient 25.000 27.778 50.000 27.778
    Mannitol 40.700 45.222 81.400 45.222
    Pregelatinized starch 9.000 10.000 18.000 10.000
    Corn starch 9.000 10.000 18.000 10.000
    Copovidone 2.700 3.000 5.400 3.000
    Total (granulate) 86.400 96.000 172.800 96.000
    Crospovidone 2.700 3.000 5.400 3.000
    Magnesium stearate 0.900 1.000 1.800 1.000
    Total (tablet core) 90.000 100.000 180.000 100.000
    Hydroxypropyl methylcellulose 1.500 1.667 2.500 1.389
    Polyethylene glycol 0.150 0.167 0.250 0.139
    Titanium dioxide 0.750 0.833 1.250 0.694
    Talcum 0.525 0.583 0.875 0.486
    Iron oxide yellow 0.075 0.083 0.125 0.069
    Total (film-coated tablet) 93.000 103.333 185.000 102.778

Claims (20)

1. A pharmaceutical composition comprising as an active ingredient a DPP IV inhibitor compound with an amino group or a salt thereof, a first diluent, a second diluent, a binder, a disintegrant and a lubricant.
2. The pharmaceutical composition of claim 1, wherein the first and second diluents are independently cellulose powder, dibasic calciumphosphate anhydrous, dibasic calciumphosphate dihydrate, erythritol, low substituted hydroxypropyl cellulose, mannitol, pregelatinized starch, or xylitol,
3. The pharmaceutical composition of claim 1, wherein the lubricant is talc, polyethyleneglycol, calcium behenate, calcium stearate, hydrogenated castor oil, or Magnesium stearate.
4. The pharmaceutical composition of claim 1, wherein the binder is copovidone (copolymerisates of vinylpyrrolidon with other vinylderivates), hydroxypropyl methylcellulose (HPMC), hydroxypropylcellulose (HPC), or polyvinylpyrrolidon (Povidone).
5. The pharmaceutical composition of claim 1, wherein the disintegrant is corn starch.
6. The pharmaceutical composition of claim 1, wherein the first diluent is mannitol, the second diluent is pregelatinized starch, the binder is copovidone, the disintegrant is corn starch, and the lubricant is magnesium stearate.
7. The pharmaceutical composition of claim 1 further comprising an additional disintegrant.
8. The pharmaceutical composition of claim 7, wherein the additional disintegrant is crospovidone.
9. The pharmaceutical composition of claim 1 further comprising a glidant.
10. The pharmaceutical composition of claim 9, wherein the glidant is colloidal silicon dioxide.
11. The pharmaceutical composition of claim 1 comprising
0.5-20%  active ingredient 40-88% diluent 1,  3-40% diluent 2, 1-5% binder,  5-15% disintegrant, and 0.1-4%   lubricant.
12. The pharmaceutical composition of claim 1 comprising
0.5-7%   active ingredient 50-75% diluent 1,  5-15% diluent 2, 2-4% binder,  8-12% disintegrant, and 0.5-2%   lubricant
13. The pharmaceutical composition according to claim 1 in the dosage form of a capsule, a tablet, or a film-coated tablet.
14. The pharmaceutical composition of claim 13 comprising 2-4% film coat.
15. The pharmaceutical composition of claim 1, wherein the film coat comprises a film-forming agent, a plasticizer, a glidant and optionally one or more pigments.
16. The pharmaceutical composition of claim 15, wherein the film coat comprises hydroxypropylmethylcellulose (HPMC), polyethylene glycol (PEG), talc, titanium dioxide and iron oxide.
17. A process for the preparation of a pharmaceutical composition according to claim 1 comprising
a. dissolving a binder in a solvent to produce a granulation liquid;
b. blending a DPP-IV inhibitor, a diluent, and a disintegrant to produce a pre-mix;
c. moistening the pre-mix with the granulation liquid and subsequently granulating the moistened pre-mix;
d. optionally sieving the granulated pre-mix through a sieve with a mesh size of at least 1.0 mm;
e. drying the granulate at about 40-75° C. until the desired loss on drying value in the range of 1-5% is obtained;
f. sieving the dried granulate through a sieve with a mesh size of at least 0.6 mm;
g. adding lubricant to the granulate for final blending.
18. The process according to claim 17 further comprising
h. compressing the final blend into tablet cores;
i. preparing a coating suspension;
j. coating the tablet cores with the coating suspension to a weight gain of about 2-4% to produce film-coated tablets.
19. The process according to claim 17, wherein part of the exipients are added extragranular prior to the final blending of step g.
20. The process according to claim 17, wherein the granulate produced in steps a-e is produced in a one pot high shear granulation process and subsequent drying in a one pot granulator.
US11/744,701 2006-05-04 2007-05-04 Dpp iv inhibitor formulations Abandoned US20080107731A1 (en)

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US13/467,505 US20120219622A1 (en) 2006-05-04 2012-05-09 Dpp iv inhibitor formulations
US13/735,078 US20130122089A1 (en) 2006-05-04 2013-01-07 Dpp iv inhibitor formulations
US14/877,019 US20160022687A1 (en) 2006-05-04 2015-10-07 Dpp iv inhibitor formulations
US15/655,269 US20170312287A1 (en) 2006-05-04 2017-07-20 Dpp iv inhibitor formulations
US16/357,357 US11033552B2 (en) 2006-05-04 2019-03-19 DPP IV inhibitor formulations
US17/319,325 US20210260068A1 (en) 2006-05-04 2021-05-13 Dpp iv inhibitor formulations

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US13/467,505 Abandoned US20120219622A1 (en) 2006-05-04 2012-05-09 Dpp iv inhibitor formulations
US13/735,078 Abandoned US20130122089A1 (en) 2006-05-04 2013-01-07 Dpp iv inhibitor formulations
US14/877,019 Abandoned US20160022687A1 (en) 2006-05-04 2015-10-07 Dpp iv inhibitor formulations
US15/655,269 Abandoned US20170312287A1 (en) 2006-05-04 2017-07-20 Dpp iv inhibitor formulations
US16/357,357 Active US11033552B2 (en) 2006-05-04 2019-03-19 DPP IV inhibitor formulations
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US13/735,078 Abandoned US20130122089A1 (en) 2006-05-04 2013-01-07 Dpp iv inhibitor formulations
US14/877,019 Abandoned US20160022687A1 (en) 2006-05-04 2015-10-07 Dpp iv inhibitor formulations
US15/655,269 Abandoned US20170312287A1 (en) 2006-05-04 2017-07-20 Dpp iv inhibitor formulations
US16/357,357 Active US11033552B2 (en) 2006-05-04 2019-03-19 DPP IV inhibitor formulations
US17/319,325 Pending US20210260068A1 (en) 2006-05-04 2021-05-13 Dpp iv inhibitor formulations

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