Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
  • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
• • 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
  • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
  • A61K31/4164—1,3-Diazoles
  • A61K31/4184—1,3-Diazoles condensed with carbocyclic rings, e.g. benzimidazoles
• • 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
  • A61K31/551—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having two nitrogen atoms, e.g. dilazep
  • A61K31/5513—1,4-Benzodiazepines, e.g. diazepam or clozapine
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K38/00—Medicinal preparations containing peptides
  • A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
  • A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • A61K38/22—Hormones
  • A61K38/225—Calcitonin gene related peptide
• • 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
  • A61P25/06—Antimigraine agents

Definitions

• the present invention relates to a method for the prophylaxis of vascular headaches which do not originate from hypertension, especially migraine, the method comprising administration of ⁇ 4′-[2-n-propyl-4-methyl-6-(1-methylbenzimidazol-2-yl)benzimidazol-1-ylmethyl]biphenyl-2-carboxylic acid ⁇ (telmisartan) to a subject in need of such a treatment.
• the present invention relates also to a method for the prophylaxis of vascular headaches, comprising the co-administration of telmisartan in combination with other drugs suitable for migraine prophylaxis and/or acute treatment of migraine.
• the invention further relates to suitable pharmaceutical compositions comprising telmisartan and at least one other drug used in migraine prophylaxis, as a combined preparation for simultaneous, separate or sequential use in the prophylaxis of said disease.
• the invention relates further to the use of telmisartan, optionally in combination with said other antimigraine drugs for the manufacture of a pharmaceutical composition for the prophylaxis of vascular headaches.
• Migraine is one of the most common neurological disorders, involving periodical attacks of headache and nausea as well as a plethora of other symptoms. Approximately 240 million people worldwide have an estimated 1.4 billion attacks of migraine each year (Tronvik, E. et al., JAMA, 1, 2003, pp. 65-69). Although considerable progress has been made, the pathophysiology of migraine is still not understood. It is a disorder that exhibits a spectrum of treatment responses in afflicted individuals. Although some of the patients can be cured with life style modification (trigger elimination) and can be treated with over-the-counter medications or by acupuncture, hypnosis and the like, the majority of the patients are in the need of prescription drugs for relief from the migraine and prevention of further attacks. The symptoms most in need of treatment are the head pain and gastrointestinal symptoms. But also photophobia and the aura have to be treated. The latter may also be quite disturbing and require treatment although its duration is relatively brief.
• migraine The exact pathogenesis of migraine is still unknown. In recent years a consensus has been emerging that in migraine both vascular and neural components are relevant and most probably interrelated.
• triptans e.g. sumatriptan and zolmitriptan. These triptans elicit their antimigraine effects due to their vasoconstrictive properties and presumably their inhibition of the release of the neuropeptide calcitonin gene related peptide (CGRP).
• CGRP neuropeptide calcitonin gene related peptide
• CGRP antagonists Doods, H. et al., Br. J. Pharmacol., 129, 2000, pp. 420-423. Such CGRP antagonists have been disclosed, for example, in WO 98/11128.
• a CGRP antagonist has been disclosed, namely 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)-oxochinazolin-3-yl)-1-piperidinyl]carbonyl]-D-tyrosyl]-L-lysyl]-4-(4-pyridinyl)-piperazine, which is, in combination with a 5-HT 1B/1D agonist or an ergot alkaloid, especially useful for the prevention and/or treatment of migraine.
• angiotensin II (AT II) type I receptor antagonists have been disclosed for the prevention and/or therapeutic treatment of patients suffering from vascular headache conditions and more particularly migraine. These compounds are known to interfere with the renin-angiotensin system (RAS) and have been used so long to treat common cardiovascular diseases, particularly arterial hypertension and congestive heart failure.
• RAS renin-angiotensin system
• Tronvik et al. disclosed results of a randomized, double blind, placebo-controlled crossover study with an angiotensin II (AT II) type I receptor antagonist (candesartan), of patients suffering from migraine. The authors concluded that candesartan provided effective migraine prophylaxis with a good tolerability profile (JAMA, 1, 2003, pp. 65-69).
• AT II angiotensin II
• candesartan provided effective migraine prophylaxis with a good tolerability profile (JAMA, 1, 2003, pp. 65-69).
• Etminan et al. published data of a meta-analysis of 27 studies involving 12110 patients treated for hypertension. The authors came to the conclusion that the risk of headaches was about one third lower in patients taking an AT II receptor antagonist than in those taking placebo (Am. J. Med. 112, 2002, pp. 642-646).
• telmisartan a particular member of the group of AT II type I receptor antagonists, namely telmisartan, provides unexpected advantages in the prophylaxis of vascular headaches, especially migraine, to a subject in need of such treatment, with high efficacy, independently of its known blood pressure reducing activity.
• INN Telmisartan ⁇ 4′-[2-n-propyl-4-methyl-6-(1-methyl benzimidazol-2-yl)benzimidazol-1-ylmethyl]biphenyl-2-carboxylic acid ⁇ , has been developed for the treatment of hypertension and other medical indications as disclosed in EP 0 502 314 B1 and U.S. Pat. No.
• a first aspect of the present invention relates to a method for the prophylaxis of vascular headache conditions not originating from hypertension, especially migraine, comprising administering a therapeutically effective amount of telmisartan, preferably alone, or in combination with a therapeutically effective amount of an other drug suitable for the prophylaxis of migraine to a subject in need of such treatment.
• the second aspect of the present invention relates to a pharmaceutical composition for preventing a vascular headache condition not originating from hypertension comprising a therapeutically effective amount of telmisartan. Additionally it relates to a pharmaceutical composition of telmisartan in combination with a therapeutically effective amount of at least one other drug suitable for migraine prevention as a combined preparation for simultaneous or sequential administration.
• telmisartan preferably alone, but also in combination with at least one other drug suitable for migraine prevention, for the manufacture of a pharmaceutical composition for prophylaxis of vascular headache which do not originate from hypertension, preferably migraine.
• telmisartan includes ⁇ 4′-[2-n-propyl-4-methyl-6-(1-methylbenzimidazol-2-yl)benzimidazol-1-ylmethyl]biphenyl-2-carboxylic acid ⁇ in its neutral form as carboxylic acid as disclosed in EP 0 502 314 B1 and U.S. Pat. No. 5,591,762, or in one of its polymorphic forms as disclosed in WO 00/43370, U.S. Pat. No. 6,358,986 and U.S. Pat. No.
• telmisartan includes any prodrug, e.g. an ester, which is hydrolyzed in vivo to the pharmacologically active compound.
• vascular headaches includes any kind of vascular headaches, like migraine, cluster headache, post-traumatic headache, etc. not due to hypertension (i.e. not originated from hypertension).
• the term is used for the prevention and/or treatment of migraine.
• migraine is to be interpreted according to: The Headache Classification Committee of the International Headache Society, Classification and Diagnostic Criteria for Headache Disorders, Cranial Neuralgias and Facial Pain, Cephalalgia 1988, 8 SUPPL 7, pp. 1-96. It is an often familial symptom complex of periodic attacks of vascular headache, usually temporal and unilateral in onset, commonly associated with irritability, nausea, vomiting, constipation or diarrhoea, and often with photophobia. Attacks are preceded by constriction of the cranial arteries, usually with resultant prodromal sensory (especially ocular) symptoms called Aura, and commence with the vasodilatation that follows.
• Migraine can be divided into various specific types including abdominal, acephalic, acute confusional, basilar, classic, common, complicated, fulgurating, Harris', hemiplegic, ocular, ophthalmic and ophthalmoplegic.
• cluster headache is most typically defined as the temporal clustering of attacks during periods usually lasting between 2 weeks and 3 months, separated by intermissions of at least 14 days, but usually several months. This type of cluster headache is also known as “episodic cluster headache”.
• chronic cluster headache is characterized by the absence of intermissions of at least 14 days for more than one year ( Textbook of Pain, 3 rd ed., p. 504, 1994).
• post-traumatic headache is headache caused by some head trauma, whereas “tension headache” and “muscular headache” belong to the group of headaches formerly described as “muscle contraction”, “psychogenic”, “stress” or “essential” ( Textbook of Pain, 3 rd ed., p. 504, 1994).
• the method comprises the administration of an effective amount of telmisartan to a subject in need of such treatment.
• Telmisartan may be administered orally, bucally, parenterally, nasally, rectally or topically, the oral administration being preferred.
• Parenteral administration may include subcutaneous, intravenous, intramuscular and intrasternal injections and infusion techniques.
• Telmisartan may be administered once, twice or thrice a day in a daily dosage of 10 mg (or 0.143 mg/kg body weight, based on a person of 70 kg) to 500 mg (7.143 mg/kg body weight, based on a person of 70 kg) orally and of about 20 mg (0.286 mg/kg body weight, based on a person of 70 kg) parenterally, preferably of 20 mg (0.286 mg/kg body weight, based on a person of 70 kg) to 100 mg (1.429 mg/kg body weight, based on a person of 70 kg) orally.
• telmisartan can be administered in combination with other drugs suitable for migraine prophylaxis.
• other drugs are, for example, CGRP antagonists like 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)-oxochinazolin-3-yl)-1-piperidinyl]-carbonyl]-D-tyrosyl]-L-lysyl]4-(4-pyridinyl)-piperazine, and 1-[4-Amino-3,5-dibrom-N-[[4-(2,3,4,5-tetrahydro-2(1H)-oxo-1,3-benzodiazepin-3-yl)-1-piperidinyl]carbonyl]-D-phenylalanyl]-4-(1-piperidinyl)-piperidin, which have been disclosed in WO 98/11128, ACE-Inhibitors (e.g.
• cyproheptadine, pizotifen or methylsergide anticonvulsants (e.g. divalproex sodium, gabapentin, topiramate, tiagabine, levetiracetam, zonisamide, lamotrigine or valproate), anti-epileptics (e.g. topiramate), antidepressants (e.g. tricyclic like amitriptiline or nortriptyline, selective serotonine reuptake inhibitors, monoamine oxidase inhibitors like pheneizine or other antipsychotics like quentiapine), 5-HT 1B-1F -agonists (e.g.
• almotriptan almotriptan, avitriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan
• AT II type I receptor antagonists e.g. candesartan, candesartan cilextil, eprosartan, irbesartan, losartan, olmesartan, olmesartan medoxomil, and valsartan
• AT II type I receptor antagonists e.g. candesartan, candesartan cilextil, eprosartan, irbesartan, losartan, olmesartan, olmesartan medoxomil, and valsartan
• drugs suitable for migraine prophylaxis are for example magnesium lycinate, riboflavin, botulinum toxin A, montelukast (an anti-inflammatory leukotriene inhibitor), petasites (from petasites hybridus plant, a leukotriene biosynthesis inhibitor), and naproxen.
• Preferred compounds to be combined with telmisartan for the prophylaxis of vascular headaches are triptans like almotriptan, avitriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan, preferably sumatriptan or zolmitriptan, and CGRP antagonists, preferably 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)-oxochinazolin-3-yl)-1-piperidinyl]carbonyl]-D-tyrosyl]-L-lysyl]-4-(4-pyridinyl)-piperazine as disclosed in WO 98/11128 (page 80, No.
• a formulation of 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)-oxochinazolin-3-yl)-1-piperidinyl]carbonyl]-D-tyrosyl]-L-lysyl]-4-(4-pyridinyl)-piperazine suitable for powder inhalation has been disclosed in the German patent application DE 102 07 026 A1 and salts thereof like the hydrochloride, sulphate, phosphate, hydrobromide, carbonate, methanesulphonate, p-toluenesulphonate, nitrate, citrate, malate, tartrate, lactate, succinate, gluconate, acetate, formate, propionate, capronate, oxalate, maleate, fumarate, mandelate and hydroxysuccinate, also suitable for powder inhalation have been disclosed in the German patent application DE 102 06 770 A1.
• telmisartan can also be administered in combination with drugs, which are used for acute treatment of migraine as there are anti-inflammatory agents such as NSAID's, cox-2 inhibitors, dopamine agonists like lisurid, antiemetics like dimenhydrinate, ⁇ -blockers like timolol or propanolol, antihistamines like buclizine or dimenhydrinate, ergot alkaloids like ergotamine and dihydroergotamine, analgesics like acetaminophen, diclofenac propyphenazon, non-steroidal antiphlogistics like acetylsalicylic acid, naproxen or ibuprofen.
• Additional drugs which may be administrated in the acute phase of a migraine attack include caffeine, iprazochrom, isometheptene, metoclopramide, pangamic acid or the pharmaceutically acceptable salts thereof.
• Telmisartan administered alone or in combination with one or more of the above mentioned drugs can be administered orally, bucally, parenterally, nasally, rectally or topically, the oral administration being preferred.
• Parenteral administration may include subcutaneous, intravenous, intramuscular and intrasternal injections and infusion techniques.
• telmisartan may be administered once twice or thrice a day in a daily dosage of 10 mg (or 0.143 mg/kg body weight, based on a person of 70 kg) to 500 mg (7.143 mg/kg body weight, based on a person of 70 kg) orally and of about 20 mg (0.286 mg/kg body weight, based on a person of 70 kg) parenterally, preferably of 20 mg (0.286 mg/kg body weight, based on a person of 70 kg) to 100 mg (1.429 mg/kg body weight, based on a person of 70 kg) orally.
• telmisartan is administered in combination with triptans or a physiologically acceptable salt thereof
• the triptans can be administered by intravenous or subcutaneous route in a dosage of 0.0001 to 1.0 mg/kg of body weight or by oral, rectal, nasal or inhalative route in a dosage of 0.0005 to 10 mg/kg of body weight once, twice or thrice a day.
• sumatriptan may be administered by oral route in a dosage of 0.03 to 1.43 mg/kg of body weight once, twice or thrice a day or by intravenous or subcutaneous route in a dosage of 0.002 to 0.09 mg/kg of body weight once or twice a day or by rectal route in a dosage of 0.007 to 0.36 mg/kg of body weight once or twice a day or by nasal route in a dosage of 0.006 to 0.29 mg/kg of body weight once or twice a day.
• telmisartan is co-administered with zolmitriptan or a physiologically acceptable salt thereof the latter may be administered by oral route in a dosage of 0.0007 to 0.036 mg/kg of body weight once or twice a day.
• telmisartan is administered in combination with CGRP antagonists like 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)-oxochinazolin-3-yl)-1-piperidinyl]carbonyl]-D-tyrosyl]-L-lysyl]-4-(4-pyridinyl)-piperazine or 1-[4-Amino-3,5-dibrom-N-[[4-(2,3,4,5-tetrahydro-2(1H)-oxo-1,3-benzodiazepin-3-yl)-1-piperidinyl]carbonyl]-D-phenylalanyl]-4-(1-piperidinyl)-piperidin or a physiologically acceptable salt thereof, the CGRP antagonists, preferably 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)
• the dosage for the combined migraine drug is appropriately 1/100 of the lowest dose normally recommended up to 1/1 of the normally recommended dosage, preferably 1/50 to 1/6 and more preferably 1/20 to 1/10, orally, bucally, parenterally, nasally, rectally or topically route.
• the normally recommended dose for the combined migraine drug should be understood to be the dose disclosed in Rote Liste® 2003, Editio Cantor Verlag, Aulendorf or disclosed in Physicians' Desk Reference 2003, 57. Ed.
• the method comprises co-administration of telmisartan and another drug, it is possible to administer a pharmaceutical composition comprising both telmisartan and the other antimigraine drug, or to administer two pharmaceutical compositions, one comprising telmisartan as active ingredient and the other comprising the other antimigraine drug as active ingredient jointly or timely shifted.
• telmisartan containing and the other antimigraine drug containing pharmaceutical composition for the purpose of the present invention it is understood that both pharmaceutical compositions are administered to a patient in need thereof simultaneously or in a time interval within one day, however, in some cases it may also be possible to have a better effect, if the telmisartan containing pharmaceutical composition and the antimigraine containing pharmaceutical composition are administered in an interval of more than 24 hours. If the compositions are administered in a time interval, the composition comprising telmisartan can be administered before or after administration of the other antimigraine drug.
• compositions are provided for the prophylaxis of vascular headaches which do not originate from hypertension, in particular migraine.
• These compositions comprise a therapeutically effective amount of telmisartan, optionally in combination with at least one other drug suitable for the prophylaxis of migraines, preferably, triptans or CGRP antagonists or pharmaceutically acceptable salts thereof as a combined preparation for simultaneous or sequential administration.
• Telmisartan and the other active compounds can be orally administered in a wide variety of different dosage forms, i.e., they may be formulated with various pharmaceutically acceptable inert carriers in the form of tablets, capsules, lozenges, troches, hard candies, powders, sprays, aqueous suspensions, elixirs, syrups, and the like.
• Such carriers include solid diluents or fillers, sterile aqueous media and various non-toxic organic solvents.
• such oral pharmaceutical formulations can be suitably sweetened and/or flavoured by means of various agents of the type commonly employed for such purposes.
• the compounds of this invention are present in such oral dosage forms at concentration levels ranging from about 0.5% to about 90% by weight of the total composition, in amounts which are sufficient to provide the desired unit dosages.
• Other suitable dosage forms for the compounds of this invention include controlled release formulations and devices well known to those who practice in the art.
• tablets containing various excipients such as sodium citrate, calcium carbonate and calcium phosphate may be employed along with various disintegrants such as starch and preferably potato or tapioca starch, alginic acid and certain complex silicate, together with binding agents such as polyvinylpyrrolidone, sucrose, gelatine and acacia.
• disintegrants such as starch and preferably potato or tapioca starch, alginic acid and certain complex silicate, together with binding agents such as polyvinylpyrrolidone, sucrose, gelatine and acacia.
• lubricating agents such as magnesium stearate, sodium lauryl sulfate and talc or compositions of a similar type may also be employed as fillers in soft and hard-filled gelatine capsules; included lactose or milk sugar as well as high molecular weight polyethylene glycols.
• the essential active ingredient therein may be combined with various sweetening or flavouring agents, colouring matter or dyes and, if so desired, emulsifying agents and/or water, ethanol, propylene glycol, glycerine and various like combinations thereof.
• solutions of the compounds in sesame or peanut oil or in aqueous propylene glycol may be employed, as well as sterile aqueous solutions of the corresponding pharmaceutically acceptable salts.
• aqueous solutions should be suitably buffered if necessary, and the liquid diluent rendered isotonic with sufficient saline or glucose.
• these particular aqueous solutions are especially suitable for intravenous, intramuscular and subcutaneous injection purposes.
• the sterile aqueous media employed are readily obtained by standard techniques well known to those skilled in the art.
• distilled water is ordinarily used as the liquid diluent and the final preparation is passed through a suitable bacterial filter such as a sintered glass filter or a diatomaceous earth or unglazed porcelain filter.
• suitable bacterial filter such as a sintered glass filter or a diatomaceous earth or unglazed porcelain filter.
• Preferred filters of this type include the Berkefeld, the Chamberland and the Asbestos Disk-Metal Seitz filter, wherein the fluid is sucked into a sterile container with the aid of a suction pump. The necessary steps should be taken throughout the preparation of these injectable solutions to insure that the final products are obtained in a sterile condition.
• the dosage form of the particular compound or compounds may include, by way of example, solutions, lotions, ointments, creams, gels, suppositories, rate-limiting sustained release formulations and devices therefore.
• dosage forms comprise the particular compound or compounds and may include ethanol, water, penetration enhancer and inert carriers such as gel-producing materials, mineral oil, emulsifying agents, benzyl alcohol and the like.
• a pharmaceutical composition according to the invention may comprise a single dosage unit of 3 to 500 mg, preferably 6 to 100 mg, more preferably 10 to 80 mg telmisartan if orally administered. Particularly preferred is a single dosage unit of 40 or 80 mg of telmisartan for oral administration. For parenteral administration the pharmaceutical composition may comprise a single dosage unit of 6 to 20 mg.
• the pharmaceutical composition according to the present invention may comprise a single dosage unit of 1/300 of the lowest dose normally recommended up to 1/1 of the normally recommended dosage, preferably 1/150 to 1/6 and more preferably 1/60 to 1/10 of the combined migraine drug for oral, bucal, parenteral, nasal, rectal or topical administration.
• the normally recommended dose for the combined migraine drug should be understood to be the dose disclosed in Rote Liste® 2003, Editio Cantor Verlag, Aulendorf or disclosed in Physicians' Desk Reference 2003, 57. Ed.
• a pharmaceutical composition according to the invention may comprise a single dosage unit of 40 or 80 mg telmisartan and
• the pharmaceutical composition according to the invention may be a kit of parts which kit comprises
• a preferred kit of parts comprises a triptan like almotriptan, avitriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan, or a CGRP antagonists in the second containment.
• kits of parts comprises sumatriptan, zolmitriptan, 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)-oxochinazolin-3-yl)-1-piperidinyl]carbonyl]-D-tyrosyl]-L-lysyl]-4-(4-pyridinyl)-piperazine or 1-[4-Amino-3,5-dibrom-N-[[4-(2,3,4,5-tetrahydro-2(1H)-oxo-1,3-benzodiazepin-3-yl)-1-piperidinyl]carbonyl]-D-phenylalanyl]-4-(1-piperidinyl)-piperidin in the second containment.
• the present invention provides the use of telmisartan for the manufacture of a pharmaceutical composition for the prophylaxis of vascular headaches which do not originate from hypertension, in particular migraine.
• telmisartan can be used in its neutral form as carboxylic acid, or in one of its polymorphic forms, or in the form of a pharmaceutically acceptable salt or the solvate, hydrate, or hemihydrate thereof, including but not limited to the sodium, potassium or ammonium salt. Additionally, telmisartan can be administered as a prodrug, e.g. an ester, which is hydrolyzed in vivo to the pharmacologically active compound.
• a prodrug e.g. an ester
• Telmisartan can be administered using for instance pharmaceutical formulations sold under the trade name Micardis® or a formulation as disclosed, for example in EP 0 502 314 B1, or WO 03/037876 or using, for example, one of the following pharmaceutical formulations:
• telmisartan may be used in combination with another drug used for the prophylaxis of migraine, preferably a triptan or a CGRP antagonist or a physiologically acceptable salt thereof for the manufacture of a pharmaceutical composition for the prophylaxis of vascular headaches which do not originate from hypertension, in particular migraine.
• another drug used for the prophylaxis of migraine preferably a triptan or a CGRP antagonist or a physiologically acceptable salt thereof for the manufacture of a pharmaceutical composition for the prophylaxis of vascular headaches which do not originate from hypertension, in particular migraine.
• telmisartan with more preferably sumatriptan, zolmitriptan, 1-[N 2 -[3,5-Dibromo-N-[[4-(3,4-dihydro-2(1H)-oxochinazolin-3-yl)-1-piperidinyl]carbonyl]-D-tyrosyl]-L-lysyl]-4-(4-pyridinyl)-piperazine or 1-[4-Amino-3,5-dibrom-N-[[4-(2,3,4,5-tetrahydro-2(1H)-oxo-1,3-benzodiazepin-3-yl)-1-piperidinyl]carbonyl]-D-phenylalanyl]-4-(1-piperidinyl)-piperidin or of physiologically acceptable salts thereof.
• acetylsalicylic acid is sold under the trade name Aspirin®
• sumatriptan is sold under the trade name imigran®
• zolmitriptan is sold under the trade name ascotop®
• irbesartan under the trade name Aprovel®
• candesartan cilexetil under trade name Atacand®
• valsartan under the trade name Diovan®
• Iprazochrom under the trade name Divascan®
• topiramate under the trade name Topamax® and dihydroergotamin and the pharmaceutically acceptable salts thereof under the trade name Dihytamin®
• a combination of acetylisalicylic acid, acetamionophen and caffeine is sold under the trade name Thomapyrin®.

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