Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
  • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
  • C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
• • 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
  • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
  • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
  • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
  • A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P25/00—Drugs for disorders of the nervous system
  • A61P25/08—Antiepileptics; Anticonvulsants
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P25/00—Drugs for disorders of the nervous system
  • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
  • A61P25/16—Anti-Parkinson drugs
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P25/00—Drugs for disorders of the nervous system
  • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• • 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 crystalline forms of N-[1-(5-cyano-pyridin-2-ylmethyl)-1 /-/- pyrazol-3-yl]-2-[4-(1-trifluoromethyl-cyclopropyl)-phenyl]-acetamide (hereinafter also referred to as "COMPOUND”), pharmaceutical compositions comprising said crystalline forms and their use as T-type calcium channel blockers in the treatment or prevention of diseases or disorders where T-type calcium channels are involved, notably in the treatment or prevention of epilepsy; sleep disorders; sleep disturbances; pain; neurological disorders selected from essential tremors, Parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disorders, autism and drug addiction; cardiovascular disorders selected from hypertension, cardiac arrhythmias, atrial fibrillation, congenital heart failure and heart block; cancer; diabetes; or diabetic neuropathy.
• COMPOUND and its activity as T-type calcium channel blocker have been previously described in WO 2015/186056.
• Fig. 1 shows the X-ray powder diffraction diagram of COMPOUND in the crystalline form 1 , wherein the X-ray powder diffraction diagram is displayed against Cu K radiation.
• the X-ray diffraction diagram shows peaks having a relative intensity, as compared to the most intense peak in the diagram, of the following percentages (relative peak intensities given in parenthesis) at the indicated angles of refraction 2theta (selected peaks from the range 3-30° 2theta with relative intensity larger or equal than 10% are reported): 4.7° (26%), 9.3° (17%), 12.0° (17%), 14.1 ° (60%), 16.3° (32%), 18.4° (36%), 20.1 ° (100%), 21.8° (22%), 24.7° (49%), and 28.6° (21 %).
• Fig. 2 shows the X-ray powder diffraction diagram of COMPOUND in the crystalline form 2, wherein the X-ray powder diffraction diagram is displayed against Cu Ka radiation.
• the X-ray diffraction diagram shows peaks having a relative intensity, as compared to the most intense peak in the diagram, of the following percentages (relative peak intensities given in parenthesis) at the indicated angles of refraction 2theta (selected peaks from the range 3-30° 2theta with relative intensity larger or equal than 10% are reported): 10.9° (17%), 12.4° (32%), 12.8° (71 %), 13.2° (12%), 15.7° (28%), 16.3° (25%), 18.0° (65%), 18.3° (100%), 21.1 ° (30%), and 29.3° (21 %).
• the angle of refraction 2theta (2 ⁇ ) is plotted on the horizontal axis and the counts on the vertical axis.
• a first embodiment of the invention relates to crystalline forms of N-[1-(5-cyano-pyridin-2- ylmethyl)-1 /-/-pyrazol-3-yl]-2-[4-(1-trifluoromethyl-cyclopropyl)-phenyl]-acetamide
• the crystalline forms according to embodiment 1 comprise COMPOUND in a crystalline form of the free base (i.e. not in form of a salt).
• said crystalline forms may comprise non-coordinated and / or coordinated solvent.
• Coordinated solvent is used herein as term for a crystalline solvate.
• non- coordinated solvent is used herein as term for physiosorbed or physically entrapped solvent (definitions according to Polymorphism in the Pharmaceutical Industry (Ed. R. Hilfiker, VCH, 2006), Chapter 8: U.J. Griesser: The Importance of Solvates).
• Both crystalline forms (crystalline form 1 and crystalline form 2) comprise no coordinated water, but may comprise non-coordinated water or another non-coordinated solvent.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 4.7°, 14.1 °, and 20.1 °.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 4.7°, 9.3°, 14.1 °, 20.1 °, and 24.7°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 4.7°, 9.3°, 12.0°, 14.1 °, 16.3°, 18.4°, 20.1 °, 21.8°, 24.7°, and 28.6°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), which essentially shows the X-ray powder diffraction pattern as depicted in
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 12.8°, 18.0°, and 18.3°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 12.4°, 12.8°, 15.7°, 18.0°, and 18.3°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 10.9°, 12.4°, 12.8°, 13.2°, 15.7°, 16.3°, 18.0°, 18.3°, 21.1 °, and 29.3°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 1 ), which essentially shows the X-ray powder diffraction pattern as depicted in Fig. 2. 12) Another embodiment relates to a crystalline form, such as an essentially pure crystalline form, of /V-[1 -(5-cyano-pyridin-2-ylmethyl)-1 /-/-pyrazol-3-yl]-2-[4-(1 -trifluoromethyl- cyclopropyl)-phenyl]-acetamide (COMPOUND) obtainable by:
• the isolation step may be performed by any method known in the art to separate a solid precipitate from a liquid, preferably by filtration.
• the solid residue may be optionally washed with a hydrocarbon such as n-pentane, n-hexane, n-heptane or methylcyclohexane (notably n-heptane).
• a "suspension comprising N-[1 -(5-cyano-pyridin-2-ylmethyl)-1 /-/-pyrazol-3-yl]-2-[4-(1 - trifluoromethyl-cyclopropyl)-phenyl]-acetamide” refers to a suspension containing ⁇ /-[1 -(5- cyano-pyridin-2-ylmethyl)-1 /-/-pyrazol-3-yl]-2-[4-(1 -trifluoromethyl-cyclopropyl)-phenyl]- acetamide and various amounts of impurities; the amount of impurities is preferably less than 30% by weight of the amount of COMPOUND (more preferably less than 15% and most preferably less than 3%).
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 12), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 4.7°, 14.1 °, and 20.1 °.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 12), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 4.7°, 9.3°, 14.1 °, 20.1 °, and 24.7°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 12), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 4.7°, 9.3°, 12.0°, 14.1 °, 16.3°, 18.4°, 20.1 °, 21 .8°, 24.7°, and 28.6°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 12), which essentially shows the X-ray powder diffraction pattern as depicted in Fig. 1 .
• Another embodiment relates to the crystalline form of COMPOUND according to any one of embodiments 4) to 7), obtainable by the process of embodiment 12).
• Another embodiment relates to a crystalline form, such as an essentially pure crystalline form, of /V-[1 -(5-cyano-pyridin-2-ylmethyl)-1 /-/-pyrazol-3-yl]-2-[4-(1 -trifluoromethyl- cyclopropyl)-phenyl]-acetamide (COMPOUND) obtainable by:
• the dissolution is done in a glass vial in a small scale of about 4 to 10 mg of COMPOUND.
• the evaporation is preferably done in an open glass vial.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 18), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 12.8°, 18.0° , and 18.3°.
• Another embodiment relates to a crystalline form of COMPOUND according to embodiment 18), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 12.4°, 12.8° , 15.7°, 18.0° , and 18.3° .
• FIG. 21 Another embodiment relates to a crystalline form of COMPOUND according to embodiment 18), characterized by the presence of peaks in the X-ray powder diffraction diagram at the following angles of refraction 2 ⁇ : 10.9°, 12.4°, 12.8°, 13.2°, 15.7°, 16.3° , 18.0°, 18.3°, 21 .1 °, and 29.3°.
• COMPOUND crystalline form of COMPOUND according to embodiment 18), which essentially shows the X-ray powder diffraction pattern as depicted in
• (C3-6)alkanone refers to an alkane group containing three to six carbon atoms in which one methylene group "-CH 2 -" has been replaced by a carbonyl group "-C(O)-".
• Examples of (C3-e)alkanone groups are propanone (acetone), butanone, 3-methyl-butan-2- one, 3,3-dimethyl-butan-2-one, pentan-2-one, 3-methyl-pentan-2-one, 4-methyl-pentan-2- one, pentan-3-one, 2-methyl-pentan-3-one, hexan-2-one and hexan-3-one.
• Preferred are propanone (acetone) and butanone.
• essentially pure is understood in the context of the present invention to mean especially that at least 90, preferably at least 95, and most preferably at least 99 per cent by weight of the crystals of COMPOUND are present in a crystalline form according to the present invention.
• the term "essentially” means that at least the major peaks of the diagram depicted in said figures, i.e. those having a relative intensity of more than 20%, especially more than 10%, as compared to the most intense peak in the diagram, have to be present.
• the person skilled in the art of X-ray powder diffraction will recognize that relative intensities in X-ray powder diffraction diagrams may be subject to strong intensity variations due to preferred orientation effects.
• crystalls of COMPOUND in the crystalline form 1 were obtained in form of plates, hence XRPD analysis is prone to orientation effects that may result in missing peaks or intensity variations of single peaks.
• the term "about” placed before a numerical value "X” refers in the current application to an interval extending from X minus 10% of X to X plus 10% of X, and preferably to an interval extending from X minus 5% of X to X plus 5% of X; most preferred is X.
• the term "about” placed before a temperature ⁇ " refers in the current application to an interval extending from the temperature Y minus 10 °C to Y plus 10 °C, preferably to an interval extending from Y minus 5 °C to Y plus 5 °C.
• Room temperature means a temperature of about 25 °C.
• the crystalline forms, especially the essentially pure crystalline forms, of COMPOUND according to any one of embodiments 1 ) to 23) can be used as medicaments, e.g. in the form of pharmaceutical compositions for enteral (such especially oral) or parenteral (including topical application or inhalation) administration.
• Another embodiment thus relates to a crystalline form of N-[1-(5-cyano-pyridin-2- ylmethyl)-1 /-/-pyrazol-3-yl]-2-[4-(1-trifluoromethyl-cyclopropyl)-phenyl]-acetamide according to any one of embodiments 1 ) to 23) for use as a medicament.
• the crystalline solid, especially the essentially pure crystalline solid, of COMPOUND according to any one of embodiments 1 ) to 23) may be used as single component or as mixture with other crystalline forms or amorphous form of COMPOUND.
• a further embodiment of the invention relates to pharmaceutical compositions comprising as active ingredient a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), and at least one pharmaceutically acceptable carrier material.
• compositions can be effected in a manner which will be familiar to any person skilled in the art (see for example Remington, The Science and Practice of Pharmacy, 21st Edition (2005), Part 5, "Pharmaceutical Manufacturing” [published by Lippincott Williams & Wilkins]) by bringing the crystalline form of the present invention, optionally in combination with other therapeutically valuable substances, into a galenical administration form together with suitable, non-toxic, inert, pharmaceutically acceptable solid or liquid carrier materials and, if desired, usual pharmaceutical adjuvants.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the manufacture of a pharmaceutical composition, wherein said pharmaceutical composition comprises as active ingredient the COMPOUND, and at least one pharmaceutically acceptable carrier material.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of a disease or disorder associated with a dysfunction of T-type calcium channels (and notably of a disease or disorder wherein the blockade of the T-type calcium channel subtypes Ca v 3.1 , Ca v 3.2 and/or Ca v 3.3 is indicated).
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of a disease or disorder wherein a decrease of burst firing discharges in a neuronal cell by blockade of the T-type calcium channel subtypes Ca v 3.1 , Ca v 3.2 and/or Ca v 3.3 is indicated.
• the crystalline forms of COMPOUND as defined in any one of embodiments 1 ) to 23) are useful for the prevention or treatment of diseases or disorders where calcium T channels are involved.
• diseases or disorders where calcium T channels are involved may be defined as including especially:
• epilepsy notably absence epilepsy, childhood absence and other forms of idiopathic generalized epilepsies, temporal lobe epilepsy
• pain notably inflammatory pain, neuropathic pain, peripheral pain, chronic pain associated with peripheral axonal injury
• neurological diseases and disorders notably essential tremors, Parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disorders, autism, drug addiction
• cardiovascular diseases and disorders notably hypertension, cardiac arrhythmias, atrial fibrillation, congenital heart failure, heart block
• diseases or disorders where calcium T channels are involved refer to epilepsy, neurological disorders, and pain.
• diseases or disorders refer to epilepsy and pain.
• pain preferably refers to inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury.
• neurological diseases and disorders preferably refers to essential tremors, Parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disorders, autism and drug addiction.
• cardiovascular diseases and disorders preferably refers to hypertension, cardiac arrhythmias, atrial fibrillation, congenital heart failure and heart block.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of a disease or disorder selected from epilepsy; sleep disorders; sleep disturbances; pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; neurological disorders selected from essential tremors, Parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disorders, autism and drug addiction; cardiovascular disorders selected from hypertension, cardiac arrhythmias, atrial fibrillation, congenital heart failure and heart block; cancer; diabetes; and diabetic neuropathy.
• a disease or disorder selected from epilepsy; sleep disorders; sleep disturbances; pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; neurological disorders selected from essential tremors, Parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disorders, autism and drug addiction; cardiovascular disorders selected from
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of a disease or disorder selected from epilepsy; sleep disorders; sleep disturbances; pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; essential tremors; Parkinson's disease; schizophrenia; and drug addiction.
• a disease or disorder selected from epilepsy sleep disorders; sleep disturbances; pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; essential tremors; Parkinson's disease; schizophrenia; and drug addiction.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of epilepsy (notably idiopathic generalized epilepsy).
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of focal and/or generalized seizures.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of focal, tonic, clonic, tonic clonic, absence, myoclonic and/or atonic seizures.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of tonic clonic, absence, myoclonic and/or atonic seizures.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of tonic clonic and/or absence seizures.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of tonic clonic seizures.
• a further embodiment of the invention relates to a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), for use in the prevention/prophylaxis and/or treatment of absence seizures.
• epilepsia describes recurrent unprovoked seizures wherein the term “seizure” refers to an excessive and/or hypersynchronous electrical neuronal activity.
• Different types of “seizures” are disclosed for example in Berg et al., Epilepsia. 2010; 51 (4): 676-685, which reference is herewith incorporated by reference.
• COMPOUND crystalline form of COMPOUND is described as useful for the prevention/prophylaxis and/or treatment of certain diseases, such crystalline form of COMPOUND is likewise suitable for use in the preparation of a medicament for the prevention or treatment of said diseases.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of a disease or disorder associated with a dysfunction of T-type calcium channels (and notably of a disease or disorder wherein the blockade of the T-type calcium channel subtypes Ca v 3.1 , Ca v 3.2 and/or Ca v 3.3 is indicated).
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of a disease or disorder wherein a decrease of burst firing discharges in a neuronal cell by blockade of the T-type calcium channel subtypes Ca v 3.1 , Ca v 3.2 and/or Ca v 3.3 is indicated.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of a disease or disorder selected from epilepsy; sleep disorders; sleep disturbances; pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; neurological disorders selected from essential tremors, Parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disorders, autism and drug addiction; cardiovascular disorders selected from hypertension, cardiac arrhythmias, atrial fibrillation, congenital heart failure and heart block; cancer; diabetes; and diabetic neuropathy.
• a disease or disorder selected from epilepsy
• sleep disorders sleep disturbances
• pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury
• neurological disorders selected from essential tremors, Parkinson's disease, schizophrenia, depression, anxiety, psychosis, neurodegenerative disorders, autism and drug addiction
• cardiovascular disorders selected from hypertension, cardiac arrhythmias, at
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of a disease or disorder selected from epilepsy; sleep disorders; sleep disturbances; pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; essential tremors; Parkinson's disease; schizophrenia; and drug addiction.
• a disease or disorder selected from epilepsy; sleep disorders; sleep disturbances; pain selected from inflammatory pain, neuropathic pain, peripheral pain, and chronic pain associated with peripheral axonal injury; essential tremors; Parkinson's disease; schizophrenia; and drug addiction.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of epilepsy (notably idiopathic generalized epilepsy).
• epilepsy notably idiopathic generalized epilepsy.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of focal and/or generalized seizures.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of focal, tonic, clonic, tonic clonic, absence, myoclonic and/or atonic seizures.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of tonic clonic, absence, myoclonic and/or atonic seizures.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of tonic clonic and/or absence seizures. 47) A further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of tonic clonic seizures.
• a further embodiment of the invention relates to pharmaceutical compositions according to embodiment 25), for use in the prevention/prophylaxis and/or treatment of absence seizures.
• the present invention also relates to a method for the prevention/prophylaxis and/or treatment of a disease or disorder mentioned herein, comprising administering to a subject a pharmaceutically active amount of a crystalline form of COMPOUND according to any one of embodiments 1 ) to 23), or of a pharmaceutical composition according to embodiment 25).
• X-ray powder diffraction patterns were collected on a Bruker D8 Advance X-ray diffractometer equipped with a Lynxeye detector operated with CuK - radiation in reflection mode (coupled two Theta/Theta). Typically, the X-ray tube was run at of 40kV/40mA. A step size of 0.02° (20) and a step time of 76.8 sec over a scanning range of 3 - 50° in 20 were applied. The divergence slits were set to fixed 0.3°. Powders were slightly pressed into a silicon single crystal sample holder with depth of 0.5 mm and samples were rotated in their own plane during the measurement. Diffraction data are reported without application of K 2 stripping. The accuracy of the 2 ⁇ values as provided herein is in the range of +/- 0.1-0.2° as it is generally the case for conventionally recorded X-ray powder diffraction patterns.
• Measurements were performed on an IGASORP Model HAS-036-080 moisture sorption instrument (Hiden Isochema, Warrington, UK) operated in stepping mode at 25°C. The sample was allowed to equilibrate at the starting relative humidity (RH) before starting a predefined humidity program in steps of 5% ARH and with a maximal equilibration time of 24 hours per step. About 20 to 30 mg of each sample was used.
• RH relative humidity
• DSC Differential scanning calorimetry
• DSC data were collected on a Mettler Toledo STARe System (DSC822e module, measuring cell with ceramic sensor and STAR software version 13.00) equipped with a 34 position auto- sampler.
• the instrument was calibrated for energy and temperature using certified indium.
• a nitrogen purge at 20 ml min 1 was maintained over the sample. Peak temperatures are reported for melting points.
• the starting materials 6-((3-Amino-1 H-pyrazol-1-yl)methyl)nicotinonitrile and 2-(4-(1- (trifluoromethyl)cyclopropyl)phenyl)acetic acid can be prepared according to the procedures given in WO 2015/186056, page 54, lines 24 to 27 and page 109, lines 27 to 30, respectively.
• COMPOUND in crystalline form 1 (5 mg) was dissolved in either acetone (40 ⁇ ) or butanone (50 ⁇ ) in a 4 mL glass vial and the solvent was allowed to evaporate at ambient conditions from the open vial to give from both solvents a crystalline solid in crystalline form 2.
• Table 2 Characterisation data for COMPOUND in crystalline form 2

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