US20080161284A1 - Delta-crystalline form of ivabradine hydrochloride, a process for its preparation and pharmaceutical compositions containing it. - Google Patents

Delta-crystalline form of ivabradine hydrochloride, a process for its preparation and pharmaceutical compositions containing it. Download PDF

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Publication number
US20080161284A1
US20080161284A1 US12/070,608 US7060808A US2008161284A1 US 20080161284 A1 US20080161284 A1 US 20080161284A1 US 7060808 A US7060808 A US 7060808A US 2008161284 A1 US2008161284 A1 US 2008161284A1
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Prior art keywords
crystalline form
ivabradine hydrochloride
ivabradine
rhythm disturbances
hydrochloride
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US12/070,608
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Stephane Horvath
Marie-Noelle Auguste
Gerard Damien
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Laboratoires Servier SAS
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Laboratoires Servier SAS
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Application filed by Laboratoires Servier SAS filed Critical Laboratoires Servier SAS
Priority to US12/070,608 priority Critical patent/US20080161284A1/en
Publication of US20080161284A1 publication Critical patent/US20080161284A1/en
Priority to US12/583,915 priority patent/US7867997B2/en
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/14—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D223/16—Benzazepines; Hydrogenated benzazepines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/06—Antiarrhythmics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/13—Crystalline forms, e.g. polymorphs

Definitions

  • the present invention relates to the ⁇ -crystalline form of ivabradine hydrochloride of formula (I)
  • Ivabradine, and addition salts thereof with a pharmaceutically acceptable acid, and more especially its hydrochloride have very valuable pharmacological and therapeutic properties, especially bradycardic properties, making those compounds useful in the treatment or prevention of various clinical situations of myocardial ischaemia such as angina pectoris, myocardial infarct and associated rhythm disturbances and also in various pathologies involving rhythm disturbances, especially supraventricular rhythm disturbances, and in heart failure.
  • the present invention relates to the ⁇ -crystalline form of ivabradine hydrochloride, characterised by the following powder X-ray diffraction diagram, measured using a PANalytical X'Pert Pro diffractometer together with an X'Celerator detector and expressed in terms of line position (Bragg's angle 2 theta, expressed in degrees), line height (expressed in counts), line area (expressed in counts x degrees), line width at half-height (“FWHM”, expressed in degrees) and interplanar distance d (expressed in ⁇ ):
  • the invention relates also to a process for the preparation of the ⁇ -crystalline form of ivabradine hydrochloride, which process is characterised in that acetonitrile or a mixture of acetonitrile and water is preheated, ivabradine hydrochloride is added, the solution obtained is allowed to cool at room temperature, held at room temperature until crystallisation is complete, and the crystals formed are collected.
  • the invention relates also to pharmaceutical compositions comprising as active ingredient the ⁇ -crystalline form of ivabradine hydrochloride together with one or more appropriate, inert and non-toxic excipients.
  • pharmaceutical compositions according to the invention there may be mentioned, more especially, those that are suitable for oral, parenteral (intravenous or subcutaneous) or nasal administration, tablets or dragées, sublingual tablets, capsules, lozenges, suppositories, creams, ointments, dermal gels, injectable preparations and drinkable suspensions.
  • the useful dosage can be varied according to the nature and severity of the disorder, the administration route and the age and weight of the patient.
  • the dosage varies from 1 to 500 mg per day in one or more administrations.
  • the water content of the product obtained, determined by coulometry, is 2.8%.

Abstract

A δ-crystalline form of ivabradine hydrochloride of formula (I):
Figure US20080161284A1-20080703-C00001
characterised by its powder X-ray diffraction data.
Medicinal products containing the same which are useful as bradycardics.

Description

  • The present invention relates to the δ-crystalline form of ivabradine hydrochloride of formula (I)
  • Figure US20080161284A1-20080703-C00002
  • to a process for its preparation and to pharmaceutical compositions containing it.
  • Ivabradine, and addition salts thereof with a pharmaceutically acceptable acid, and more especially its hydrochloride, have very valuable pharmacological and therapeutic properties, especially bradycardic properties, making those compounds useful in the treatment or prevention of various clinical situations of myocardial ischaemia such as angina pectoris, myocardial infarct and associated rhythm disturbances and also in various pathologies involving rhythm disturbances, especially supraventricular rhythm disturbances, and in heart failure.
  • The preparation and therapeutic use of ivabradine and addition silts thereof with a pharmaceutically acceptable acid, and more especially its hydrochloride, have been described in the European patent specification EP 0 534 859.
  • In view of the pharmaceutical value of this compound, it has been of prime importance to obtain it with excellent purity. It has also been important to be able to synthesise it by means of a process that can readily be converted to the industrial scale, especially in a form that allows rapid filtration and drying. Finally, that form had to be perfectly reproducible, easily formulated and sufficiently stable to allow its storage for long periods without particular requirements for temperature, light or oxygen level.
  • The patent specification EP 0 534 859 describes a synthesis process for ivabradine and its hydrochloride. However, that document does not specify the conditions for obtaining ivabradine in a form that exhibits those characteristics in a reproducible manner.
  • The Applicant has now found that a particular salt of ivabradine, the hydrochloride, can be obtained in a well defined crystalline form that exhibits valuable characteristics for stability and processability.
  • More specifically, the present invention relates to the δ-crystalline form of ivabradine hydrochloride, characterised by the following powder X-ray diffraction diagram, measured using a PANalytical X'Pert Pro diffractometer together with an X'Celerator detector and expressed in terms of line position (Bragg's angle 2 theta, expressed in degrees), line height (expressed in counts), line area (expressed in counts x degrees), line width at half-height (“FWHM”, expressed in degrees) and interplanar distance d (expressed in Å):
  • Angle 2
    theta Height Area (counts FWHM Interplanar
    Line no. (degrees) (counts) x degrees) (degrees) distance (Å)
    1 4.1 1115 110 0.1004 21.753
    2 6.8 183 145 0.8029 12.907
    3 8.4 755 75 0.1004 10.531
    4 10.9 1104 128 0.1171 8.087
    5 12.2 195 19 0.1004 7.268
    6 14.3 569 75 0.1338 6.214
    7 14.7 1847 274 0.1506 6.013
    8 15.3 1734 315 0.184 5.802
    9 16.3 1164 154 0.1338 5.442
    10 16.8 3420 734 0.2175 5.269
    11 17.5 790 78 0.1004 5.069
    12 17.9 3389 503 0.1506 4.960
    13 19.2 2467 407 0.1673 4.635
    14 19.8 145 29 0.2007 4.477
    15 20.4 313 52 0.1673 4.362
    16 21.2 928 169 0.184 4.198
    17 21.7 2093 414 0.2007 4.099
    18 22.2 3850 635 0.1673 4.007
    19 22.5 576 76 0.1338 3.948
    20 23.1 1588 236 0.1506 3.855
    21 24.8 1665 247 0.1506 3.594
    22 25.2 1212 120 0.1004 3.534
    23 25.6 1507 249 0.1673 3.477
    24 26.7 2042 303 0.1506 3.342
    25 27.6 2281 414 0.184 3.229
    26 28.4 485 96 0.2007 3.138
    27 29.6 599 99 0.1673 3.014
  • The invention relates also to a process for the preparation of the δ-crystalline form of ivabradine hydrochloride, which process is characterised in that acetonitrile or a mixture of acetonitrile and water is preheated, ivabradine hydrochloride is added, the solution obtained is allowed to cool at room temperature, held at room temperature until crystallisation is complete, and the crystals formed are collected.
      • In the crystallisation process according to the invention it is possible to use ivabradine hydrochloride obtained by any process, for example ivabradine hydrochloride obtained by the preparation process described in patent specification EP 0 534 859.
      • The solution may advantageously be seeded during the cooling step.
      • The acetonitrile or mixture of acetonitrile and water is preferably preheated to a temperature between 60° C. and reflux, more preferably between 65 and 75° C.
      • The dilution is preferably more than 15 ml/g, more preferably between 50 and 100 ml/g.
  • The invention relates also to pharmaceutical compositions comprising as active ingredient the δ-crystalline form of ivabradine hydrochloride together with one or more appropriate, inert and non-toxic excipients. Among the pharmaceutical compositions according to the invention there may be mentioned, more especially, those that are suitable for oral, parenteral (intravenous or subcutaneous) or nasal administration, tablets or dragées, sublingual tablets, capsules, lozenges, suppositories, creams, ointments, dermal gels, injectable preparations and drinkable suspensions.
  • The useful dosage can be varied according to the nature and severity of the disorder, the administration route and the age and weight of the patient. The dosage varies from 1 to 500 mg per day in one or more administrations.
  • The Examples that follow illustrate the invention.
  • The X-ray powder diffraction spectrum was measured under the following experimental conditions:
      • PANalytical X'Pert Pro diffractometer, X'Celerator detector, temperature-regulated chamber,
      • voltage 45 kV, intensity 40 mA,
      • mounting θ-θ,
      • nickel (Kβ) filter,
      • incident-beam and diffracted-beam Soller slit: 0.04 rad,
      • automatic divergence slits: irradiated length of 10 mm,
      • mask: 10 mm,
      • antiscatter slit: ½°,
      • measurement mode: continuous from 30 to 30°, in increments of 0.017°,
      • measurement time per step: 19.7 s,
      • total time: 4 min 32 s,
      • measurement speed: 0.108°/s,
      • measurement temperature: ambient.
    EXAMPLE 1 δ-Crystalline Form of Ivabradine Hydrochloride
  • 160 ml of acetonitrile are preheated to 70° C. and then 2 g of ivabradine hydrochloride obtained according to the process described in patent specification EP 0 534 859 are added, in portions, with stirring until dissolution is complete. The solution is then stored at ambient temperature for 2 days. The crystals are removed by filtration in vacuo and are spread out onto a crystallisation plate.
  • The water content of the product obtained, determined by coulometry, is 2.8%.
    • Powder X-Ray Diffraction Diagram:
  • The powder X-ray diffraction profile (diffraction angles) of the δ-form of ivabradine hydrochloride is given by the significant lines collated in the following table:
  • Angle 2
    theta Height Area (counts FWHM Interplanar
    Line no. (degrees) (counts) x degrees) (degrees) distance (Å)
    1 4.1 1115 110 0.1004 21.753
    2 6.8 183 145 0.8029 12.907
    3 8.4 755 75 0.1004 10.531
    4 10.9 1104 128 0.1171 8.087
    5 12.2 195 19 0.1004 7.268
    6 14.3 569 75 0.1338 6.214
    7 14.7 1847 274 0.1506 6.013
    8 15.3 1734 315 0.184 5.802
    9 16.3 1164 154 0.1338 5.442
    10 16.8 3420 734 0.2175 5.269
    11 17.5 790 78 0.1004 5.069
    12 17.9 3389 503 0.1506 4.960
    13 19.2 2467 407 0.1673 4.635
    14 19.8 145 29 0.2007 4.477
    15 20.4 313 52 0.1673 4.362
    16 21.2 928 169 0.184 4.198
    17 21.7 2093 414 0.2007 4.099
    18 22.2 3850 635 0.1673 4.007
    19 22.5 576 76 0.1338 3.948
    20 23.1 1588 236 0.1506 3.855
    21 24.8 1665 247 0.1506 3.594
    22 25.2 1212 120 0.1004 3.534
    23 25.6 1507 249 0.1673 3.477
    24 26.7 2042 303 0.1506 3.342
    25 27.6 2281 414 0.184 3.229
    26 28.4 485 96 0.2007 3.138
    27 29.6 599 99 0.1673 3.014
    • EXAMPLE 2 Pharmaceutical Composition
  • Formula for the preparation of 1000 tablets each containing 5 mg of ivabradine base:
  •
    Compound of Example 1 5.39 g
    Maize starch 20 g
    Anhydrous colloidal silica 0.2 g
    Mannitol 63.91 g
    PVP 10 g
    Magnesium stearate 0.5 g

Claims (8)

1. A δ-Crystalline form of ivabradine hydrochloride of formula (I):
Figure US20080161284A1-20080703-C00003
2. The δ-Crystalline form of ivabradine hydrochloride of claim 1 having a powder X-ray diffraction diagram exhibiting peaks at 16.8, 17.9, 19.2, 22.2 and 27.6 deg 2 theta.
3. The δ-Crystalline form of ivabradine hydrochloride of claim 1 having a powder X-ray diffraction diagram exhibiting peaks at 4.1, 8.4 and 10.9 deg 2 theta.
4. A pharmaceutical composition comprising as active ingredient the δ-crystalline form of ivabradine hydrochloride of claim 1, in combination with one or more pharmaceutically acceptable, inert, non-toxic carriers.
5. A method for treating or preventing a condition requiring a bradycardic, such method comprising the step of administering to a living animal body, including a human, a therapeutically effective amount of a δ-crystalline form of ivabradine hydrochloride of claim 1.
6. A method for treating or preventing clinical situations of myocardial ischaemia and/or a condition involving rhythm disturbances, such method comprising the step of administering to a living animal body, including a human, a therapeutically effective amount of the δ-crystalline form of ivabradine hydrochloride of claim 1.
7. The method of claim 6, wherein the clinical situation of myocardial ischaemia is selected form angina pectoris, myocardial infarct and associated rhythm disturbances.
8. The method of claim 6, wherein the condition involving rhythm disturbances is selected from supraventricular rhythm disturbances and heart failure.
US12/070,608 2005-10-11 2008-02-20 Delta-crystalline form of ivabradine hydrochloride, a process for its preparation and pharmaceutical compositions containing it. Abandoned US20080161284A1 (en)

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US12/070,608 US20080161284A1 (en) 2005-10-11 2008-02-20 Delta-crystalline form of ivabradine hydrochloride, a process for its preparation and pharmaceutical compositions containing it.
US12/583,915 US7867997B2 (en) 2005-10-11 2009-08-27 δ-crystalline form of ivabradine hydrochloride, a process for its preparation and pharmaceutical compositions containing it

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FR0510352A FR2891826B1 (en) 2005-10-11 2005-10-11 CRYSTALLINE FORM 6 OF IVABRADINE HYDROCHLORIDE, PROCESS FOR PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME
FR05.10352 2005-10-11
US11/544,910 US7358240B2 (en) 2005-10-11 2006-10-09 δ-crystalline form of ivabradine hydrochloride, a process for its preparation and pharmaceutical compositions containing it
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FR2882556B1 (en) * 2005-02-28 2007-05-04 Servier Lab CRYSTALLINE GAMMA D FORM OF IVABRADINE HYDROCHLORIDE, PROCESS FOR PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME
FR2882555B1 (en) * 2005-02-28 2007-05-04 Servier Lab CRYSTALLINE GAMMA FORM OF IVABRADINE HYDROCHLORIDE, PROCESS FOR PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME
FR2882554B1 (en) * 2005-02-28 2007-05-04 Servier Lab IVABRADINE HYDROCHLORIDE BETA D-CRYSTALLINE FORM, PROCESS FOR PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME
FR2882553B1 (en) * 2005-02-28 2007-05-04 Servier Lab CRYSTALLINE BETA FORM OF IVABRADINE HYDROCHLORIDE, PROCESS FOR PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME
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Publication number Priority date Publication date Assignee Title
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