WO2007013844A1 - Use of 4-[(tert-butylimino)benzene-1,3-disulfonate n-oxide against nausea - Google Patents
Use of 4-[(tert-butylimino)benzene-1,3-disulfonate n-oxide against nausea Download PDFInfo
- Publication number
- WO2007013844A1 WO2007013844A1 PCT/SE2006/000899 SE2006000899W WO2007013844A1 WO 2007013844 A1 WO2007013844 A1 WO 2007013844A1 SE 2006000899 W SE2006000899 W SE 2006000899W WO 2007013844 A1 WO2007013844 A1 WO 2007013844A1
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- WIPO (PCT)
- Prior art keywords
- nausea
- compound
- formula
- tert
- butylimino
- Prior art date
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- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/08—Drugs for disorders of the alimentary tract or the digestive system for nausea, cinetosis or vertigo; Antiemetics
Definitions
- the present invention relates to a novel method for the treatment or prophylaxis of nausea.
- the invention relates to the use of disodium 4-[(tert- butylimino)methyl]benzene-l,3-disulfonate acid N-oxide [ ⁇ -(2,4-disulfophenyl)-iV- tert- butylnitrone disodium salt] for the treatment or prophylaxis of nausea.
- U.S. patent 5,488,145 discloses the compound ⁇ -(2,4-disulfophenyl)-N-ter ⁇ -butylnitrone and pharmaceutically acceptable salts thereof.
- U.S. patent 5,475,032 discloses the use of such compounds in the treatment of stroke and of progressive central nervous system function loss conditions.
- U.S. patent 5,508,305 discloses the use of such compounds for ameliorating the side effects caused by oxidative damage resulting from antineoplastic disease treatment. Similar disclosures are also made in WO 95/17876.
- U.S. patent 5,780,510 discloses the use of these same compounds in the treatment of concussion.
- a method of treating nausea which comprises administering an effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof to a patient in need thereof.
- Salts of compounds of formula (I) may be formed by reacting the free acid or another salt thereof, with two or more equivalents of an appropriate base, using methods that are well known in the art.
- the salts of compounds of formulae (I) will normally be those formed with pharmaceutically acceptable cations.
- the cation may be a monovalent material such as sodium, potassium, lithium, ammonium, alkylammonium or diethanolammonium.
- it may be a polyvalent cation such as calcium, magnesium, aluminium or zinc.
- It may also be a mixed salt formed with a polyvalent cation such as calcium or magnesium in combination with a pharmaceutically acceptable anion such as halide (for example chloride), phosphate, sulphate, acetate, citrate or tartrate.
- the compound of formula (I) is the disodium salt of formula (II).
- the invention provides a method of treating nausea which comprises administering an effective amount of a compound of formula (II) to a patient in need thereof.
- the invention provides a method of treating nausea associated with stroke which comprises administering an effective amount of a compound of formula (II) to a patient in need thereof.
- the invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof for use in the treatment or prophylaxis of nausea.
- the invention provides a compound of formula (II) for use in the treatment or prophylaxis of nausea.
- the invention provides the use of a compound of formula (I) or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in the treatment or prophylaxis of nausea.
- the invention provides the use of a compound of formula (II) in the manufacture of a medicament for use in the treatment or prophylaxis of nausea.
- the invention provides the use of a compound of formula (II) in the manufacture of a medicament for use in the treatment or prophylaxis of nausea associated with stroke.
- therapy also includes prophylaxis unless there are specific indications to the contrary.
- Prophylaxis is expected to be particularly relevant to the treatment of persons who have suffered a previous episode of, or are otherwise considered to be at increased risk of, the disease or condition in question.
- Persons at risk of developing a particular disease or condition generally include those having a family history of the disease or condition, or those who have been identified by genetic testing or screening to be particularly susceptible to developing the disease or condition.
- Nausea is a common symptom in disorders of the nervous system, including stroke. Stroke is caused by an interruption of blood flow to a portion of the brain. This is most often due to a blockage within an artery causing an ischemic stroke. Such strokes account for about 88% of all strokes. The most common cause of an ischemic stroke is intrinsic
- I 0 About 12% of all strokes are caused by rupture of a blood vessel within the brain, called an intracerebral haemorrhage, or over the surface of the brain, called a subarachnoid haemorrhage.
- the compounds of formula (I) and pharmaceutically acceptable salts thereof will generally 2 o be administered in the form of a pharmaceutical composition in which the formula (I) compound or salt thereof (active ingredient) is in association with a pharmaceutically acceptable adjuvant, diluent or carrier.
- a pharmaceutically acceptable adjuvant diluent or carrier.
- Conventional procedures for the selection and preparation of suitable pharmaceutical formulations are described in, for example, "Pharmaceuticals - The Science of Dosage Form Designs", M. E. Aulton, Churchill 25 Livingstone, 1988.
- compositions of this invention may be administered in standard manner for the disease or condition that it is desired to treat. Suitable methods will be readily apparent to the man skilled in the art.
- Parenteral administration particularly intravenous administration, is preferred.
- the administration may involve the use of a bolus dose or doses and /or infusion.
- the dosage administered will, of course, vary with the mode of administration, the treatment desired and the severity of the condition or disorder to be treated. Such parameters will normally be decided by the attending physician.
- the pharmaceutical composition may also contain, or be co-administered (simultaneously or sequentially) with, one or more other pharmacological agents of value in conjunction with nausea.
- Patients treated within 6 h of suffering an acute ischaemic stroke were randomised to receive either an intravenous bolus dose of disodium 4-[(tert-butylimino)methyl]benzene- 1,3-disulfonate acid N-oxide over 1 h and then a continued infusion over the next 71 h, or matching placebo, in addition to standard care.
- Disodium 4-[(tert-butylimino)methyl]benzene-l,3-disulfonate acid N-oxide concentrate solution for infusion 400 mg/ml; 20 ml vial (WO 01/89507) was diluted in 500 ml of physiologic (9 mg/ml) saline to a final concentration of approximately 15 mg/ml.
- a loading dose of 151 ml (2270 mg) of the diluted solution was administered over the first hour and was followed by a maintenance dose adjusted for the patient's creatinine clearance (Clcrea- a measure of kidney function). The maintenance infusion was continued for another 71 hours.
- the maintenance doses adjusted for creatinine clearance were as follows:
- Nausea was reported in 3.1% of the 858 patients who received disodium 4-[(tert- butylimino)methyl]benzene-l,3-disulfonate acidN-oxide. In comparison, nausea was reported in 5.3% of 847 patients who received placebo.
Abstract
The use of a compound of formula (I) or a pharmaceutically acceptable salt thereof in the treatment or prophylaxis of nausea is disclosed.
Description
Use of 4- [ (tert-butylimino) methyl] benzene-1, 3-disulfonate N- oxide against nausea
Field of the Invention
The present invention relates to a novel method for the treatment or prophylaxis of nausea. In particular, the invention relates to the use of disodium 4-[(tert- butylimino)methyl]benzene-l,3-disulfonate acid N-oxide [α-(2,4-disulfophenyl)-iV- tert- butylnitrone disodium salt] for the treatment or prophylaxis of nausea.
Background of the Invention U.S. patent 5,488,145 discloses the compound α-(2,4-disulfophenyl)-N-ter^-butylnitrone and pharmaceutically acceptable salts thereof. U.S. patent 5,475,032 discloses the use of such compounds in the treatment of stroke and of progressive central nervous system function loss conditions. U.S. patent 5,508,305 discloses the use of such compounds for ameliorating the side effects caused by oxidative damage resulting from antineoplastic disease treatment. Similar disclosures are also made in WO 95/17876. U.S. patent 5,780,510 discloses the use of these same compounds in the treatment of concussion.
We have now surprisingly discovered that 4-[(tert-butylimino)methyl]benzene-l,3- disulfonic acid N-oxide and pharmaceutically acceptable salts thereof are useful as a novel method for the treatment or prophylaxis of nausea.
Disclosure of the Invention
In accordance with the present invention, there is provided a method of treating nausea which comprises administering an effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof to a patient in need thereof.
Salts of compounds of formula (I) may be formed by reacting the free acid or another salt thereof, with two or more equivalents of an appropriate base, using methods that are well known in the art.
The salts of compounds of formulae (I) will normally be those formed with pharmaceutically acceptable cations. The cation may be a monovalent material such as sodium, potassium, lithium, ammonium, alkylammonium or diethanolammonium. Alternatively, it may be a polyvalent cation such as calcium, magnesium, aluminium or zinc. It may also be a mixed salt formed with a polyvalent cation such as calcium or magnesium in combination with a pharmaceutically acceptable anion such as halide (for example chloride), phosphate, sulphate, acetate, citrate or tartrate.
In one embodiment, the compound of formula (I) is the disodium salt of formula (II).
In another aspect, the invention provides a method of treating nausea which comprises administering an effective amount of a compound of formula (II) to a patient in need thereof.
In another aspect, the invention provides a method of treating nausea associated with stroke which comprises administering an effective amount of a compound of formula (II) to a patient in need thereof.
In another aspect, the invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof for use in the treatment or prophylaxis of nausea.
In another aspect, the invention provides a compound of formula (II) for use in the treatment or prophylaxis of nausea.
In another aspect, the invention provides the use of a compound of formula (I) or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in the treatment or prophylaxis of nausea.
In another aspect, the invention provides the use of a compound of formula (II) in the manufacture of a medicament for use in the treatment or prophylaxis of nausea.
In another aspect, the invention provides the use of a compound of formula (II) in the manufacture of a medicament for use in the treatment or prophylaxis of nausea associated with stroke.
In the context of the present specification, the term therapy also includes prophylaxis unless there are specific indications to the contrary.
Prophylaxis is expected to be particularly relevant to the treatment of persons who have suffered a previous episode of, or are otherwise considered to be at increased risk of, the disease or condition in question. Persons at risk of developing a particular disease or condition generally include those having a family history of the disease or condition, or those who have been identified by genetic testing or screening to be particularly susceptible to developing the disease or condition.
Processes for the manufacture of compounds of formula (I) and pharmaceutically acceptable salts thereof are disclosed in WO 01/51460 and WO 01/51461.
Nausea is a common symptom in disorders of the nervous system, including stroke.
Stroke is caused by an interruption of blood flow to a portion of the brain. This is most often due to a blockage within an artery causing an ischemic stroke. Such strokes account for about 88% of all strokes. The most common cause of an ischemic stroke is intrinsic
5 narrowing of an artery to the brain due to a combination of atherosclerosis (accumulation of fatty materials plus secondary inflammation) culminating in the formation of a blood clot in the narrowed area. In about 30% of strokes the obstruction is due to a blood clot (embolus) originating elsewhere, especially the heart or a major blood vessel supplying the brain, that dislodges and travels to the brain to block a smaller artery within the brain itself.
I0 About 12% of all strokes are caused by rupture of a blood vessel within the brain, called an intracerebral haemorrhage, or over the surface of the brain, called a subarachnoid haemorrhage.
We have now surprisingly established that 4-[(tert-butylimino)methyl]benzene-l,3- 15 disulfonic acid N-oxide (I) and pharmaceutically acceptable salts thereof, particularly the disodium salt (II) are useful as a novel method for the treatment or prophylaxis of nausea occurring during the acute phase of stroke.
The compounds of formula (I) and pharmaceutically acceptable salts thereof will generally 2o be administered in the form of a pharmaceutical composition in which the formula (I) compound or salt thereof (active ingredient) is in association with a pharmaceutically acceptable adjuvant, diluent or carrier. Conventional procedures for the selection and preparation of suitable pharmaceutical formulations are described in, for example, "Pharmaceuticals - The Science of Dosage Form Designs", M. E. Aulton, Churchill 25 Livingstone, 1988.
Specific formulations of pharmaceutically acceptable salts of a compound of formula (I), particularly formulations of a compound of formula (II), suitable for parenteral administration are disclosed in WO 01/89507.
30
The pharmaceutical compositions of this invention may be administered in standard manner for the disease or condition that it is desired to treat. Suitable methods will be readily apparent to the man skilled in the art.
Parenteral administration, particularly intravenous administration, is preferred. The administration may involve the use of a bolus dose or doses and /or infusion.
For the treatment of nausea, the dosage administered will, of course, vary with the mode of administration, the treatment desired and the severity of the condition or disorder to be treated. Such parameters will normally be decided by the attending physician.
In addition to the compound of the present invention, the pharmaceutical composition may also contain, or be co-administered (simultaneously or sequentially) with, one or more other pharmacological agents of value in conjunction with nausea.
Examples
Patients treated within 6 h of suffering an acute ischaemic stroke were randomised to receive either an intravenous bolus dose of disodium 4-[(tert-butylimino)methyl]benzene- 1,3-disulfonate acid N-oxide over 1 h and then a continued infusion over the next 71 h, or matching placebo, in addition to standard care.
Disodium 4-[(tert-butylimino)methyl]benzene-l,3-disulfonate acid N-oxide concentrate solution for infusion (400 mg/ml; 20 ml vial) (WO 01/89507) was diluted in 500 ml of physiologic (9 mg/ml) saline to a final concentration of approximately 15 mg/ml. A loading dose of 151 ml (2270 mg) of the diluted solution was administered over the first hour and was followed by a maintenance dose adjusted for the patient's creatinine clearance (Clcrea- a measure of kidney function). The maintenance infusion was continued for another 71 hours. The maintenance doses adjusted for creatinine clearance were as follows:
Patients were formally assessed at enrolment, at 24 and 72 hours after enrolment, and at 7, 30 and 90 days.
Nausea was reported in 3.1% of the 858 patients who received disodium 4-[(tert- butylimino)methyl]benzene-l,3-disulfonate acidN-oxide. In comparison, nausea was reported in 5.3% of 847 patients who received placebo.
During the administration of disodium 4-[(tert-butylimino)methyl]benzene-l,3-disulfonate acid N-oxide, only 2.6% of patients reported nausea as an adverse event, while 5.0% of patients reported nausea during the infusion of placebo.
These data clearly demonstrate the efficacy of disodium 4-[(tert- butylimino)methyl]benzene-l,3-disulfonate acidN-oxide in significantly reducing nausea during the acute phase of stroke.
Claims
1. A method of treating nausea which comprises administering an effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof to a patient in need s thereof.
0
2. A method according to Claim 1 wherein the compound is disodium 4-[(tert- butylimino)methyl]benzene-l,3-disulfonate acid N-oxide.
3. A method according to either Claim 1 or Claim 2 wherein the nausea occurs during 5 the acute phase of stroke.
4. The use of a compound of formula (I) or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in the treatment or prophylaxis of nausea.
0 5. The use of a compound of formula (II) in the manufacture of a medicament for use in the treatment or prophylaxis of nausea.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US70266605P | 2005-07-26 | 2005-07-26 | |
US60/702,666 | 2005-07-26 |
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WO2007013844A1 true WO2007013844A1 (en) | 2007-02-01 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5780510A (en) * | 1993-12-23 | 1998-07-14 | Oklahoma Medical Research Foundation | 2,4-disulfo phenyl butyl nitrone, its salts and their use as pharmaceuticals |
WO2001051460A1 (en) * | 2000-01-10 | 2001-07-19 | Astrazeneca Ab | NOVEL PROCESS FOR THE PREPARATION OF α-(2-4-DISULFOPHENYL)-N-TERT-BUTYLNITRONE AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF |
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2006
- 2006-07-20 WO PCT/SE2006/000899 patent/WO2007013844A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5780510A (en) * | 1993-12-23 | 1998-07-14 | Oklahoma Medical Research Foundation | 2,4-disulfo phenyl butyl nitrone, its salts and their use as pharmaceuticals |
WO2001051460A1 (en) * | 2000-01-10 | 2001-07-19 | Astrazeneca Ab | NOVEL PROCESS FOR THE PREPARATION OF α-(2-4-DISULFOPHENYL)-N-TERT-BUTYLNITRONE AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF |
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