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WO2016010844A4 - Methods and compositions for the treatment of stroke - Google Patents

Methods and compositions for the treatment of stroke Download PDF

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Publication number
WO2016010844A4
WO2016010844A4 PCT/US2015/039900 US2015039900W WO2016010844A4 WO 2016010844 A4 WO2016010844 A4 WO 2016010844A4 US 2015039900 W US2015039900 W US 2015039900W WO 2016010844 A4 WO2016010844 A4 WO 2016010844A4
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Prior art keywords
angiotensin
peptide
administered
stroke
potassium channel
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PCT/US2015/039900
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French (fr)
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WO2016010844A1 (en
Inventor
Richard Franklin
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Tarix Pharmaceuticals Ltd
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Publication of WO2016010844A1 publication Critical patent/WO2016010844A1/en
Publication of WO2016010844A4 publication Critical patent/WO2016010844A4/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/04Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
    • A61K38/08Peptides having 5 to 11 amino acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/16Amides, e.g. hydroxamic acids
    • A61K31/18Sulfonamides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/34Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide
    • A61K31/343Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic 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
    • A61K31/44Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4409Non condensed pyridines; Hydrogenated derivatives thereof only substituted in position 4, e.g. isoniazid, iproniazid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/496Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Immunology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

The present invention provides, among other things, methods of treating brain conditions including the steps of administering to a subject suffering from or who previously suffered from a brain condition at least one angiotensin (1-7) peptide, and administering to the subject at least one potassium channel blocker. In some embodiments, the present invention provides methods of treating brain conditions including the step of administering to a subject suffering from or who previously suffered from a brain condition, and was administered an angiotensin(1-7) peptide, a potassium channel blocker. In some embodiments, the present invention provides methods of treating brain conditions including the step of administering to a subject suffering from or who previously suffered from a brain condition, and was administered a potassium channel blocker, an angiotensin(1-7) peptide.

Claims

AMENDED CLAIMS received by the International Bureau on 04 February 2016 (04.02.16) We claim:
1. A method of treating a brain condition comprising
administering to a subject suffering from or who previously suffered from a brain condition at least one angiotensin (1-7) peptide; and
administering to the subject at least one potassium channel blocker.
2. The method of claim 1, wherein the brain condition is selected from stroke, vascular dementia, and traumatic brain injury.
3. The method of claim 2, wherein the stroke is either ischemic stroke, hemorrhagic stroke, or a combination thereof.
4. The method of claim 3, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered within 24 hours of a stroke.
5. The method of claim 3, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 24 hours after a stroke.
6. The method of claim 3, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 1 week after a stroke.
7. The method of claim 3, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 4 weeks after a stroke.
8. The method of claim 1, wherein the potassium channel blocker is selected from:
dalfampridine, amiodarone, dronedarone, dofetilide, sotalol, ibutilide, azimilide, bretylium, clofilium, E-4031, nifekalant, tedisamil, sematilide, and combinations thereof.
9. The method of claim 8, wherein the potassium channel blocker is administered at a dose other than an FDA-approved dose.
10. The method of claim 1, wherein the angiotensin (1-7) peptide is administered via parenteral administration, rectal administration, oral administration, or a combination thereof.
11. The method of claim 10, wherein the parenteral administration is intravenous, subcutaneous, inhalation, intradermal, transdermal, and/or transmucosal administration.
12. The method of claim 1, wherein the angiotensin (1-7) peptide is administered at least once per day.
13. The method of claim 1, wherein the angiotensin (1-7) peptide is administered at an effective dose ranging from about 1-1,000 ug/kg/day.
14. The method of claim 1, wherein the angiotensin (1-7) peptide is administered at an effective dose ranging from about 1-500 ug/kg/day.
15. The method of claim 1, wherein the angiotensin (1-7) peptide is administered at an effective dose ranging from about 1 -60 ug/kg/day.
16. The method of claim 1, wherein the angiotensin (1-7) peptide comprises the naturally-
1 2 3 4 5 6 V occurring Angiotensin (1-7) amino acid sequence of Asp -Arg -Val -Tyr -He -His -Pro (SEQ ID NO: 1).
17. The method claim 1, wherein the angiotensin (1-7) peptide is a functional equivalent of SEQ ID NO: 1.
18. The method of claim 17, wherein the functional equivalent is a linear peptide.
19. The method of claim 18, wherein the linear peptide comprises a sequence that includes at least four amino acids from the seven amino acids that appear in the naturally-occurring
Angiotensin (1-7), wherein the at least four amino acids maintain their relative positions as they appear in the naturally-occurring Angiotensin (1-7).
20. The method of claim 18, wherein the linear peptide contains 4-25 amino acids.
21. The method of claim 18, wherein the linear peptide is a fragment of the naturally- occurring Angiotensin (1-7).
22. The method of any one of claims 18-21, wherein the linear peptide contains amino acid substitutions, deletions and/or insertions in the naturally-occurring Angiotensin (1-7).
23. The method of any one of claims 18-21, wherein the linear peptide has an amino acid sequence of
Figure imgf000004_0001
(SEQ ID NO: 2).
24. The method of any one of claims 18-21, wherein the linear peptide has an amino acid sequence of
Figure imgf000004_0002
(SEQ ID NO: 3).
25. The method of any one of claims 1- 21, wherein the angiotensin (1-7) peptide comprises one or more chemical modifications to increase protease resistance, serum stability and/or bioavailability.
26. The method of claim 25, wherein the one or more chemical modifications comprise pegylation.
27. The method of claim 1, wherein the angiotensin (1-7) peptide is administered at an effective dose periodically at an administration interval such that at least one sign, symptom and/or feature of a brain condition is reduced in intensity, severity, duration, or frequency or has delayed onset.
28. The method of claim 27, wherein the at least one sign, symptom and/or feature of a brain condition is selected from paralysis, memory loss, pain, seizure, dysphagia, aphasia, dysarthria, ataxia, depression, mood swings, and loss of vision.
29. A method of treating a brain condition comprising
administering to a subject suffering from or who previously suffered from a brain condition, and was administered an angiotensin (1-7) peptide, a potassium channel blocker.
30. The method of claim 29, wherein the brain condition is selected from stroke, vascular dementia, and traumatic brain injury.
31. The method of claim 30, wherein the stroke is either ischemic stroke, hemorrhagic stroke, or a combination thereof.
32. The method of claim 31, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered within 24 hours of a stroke.
33. The method of claim 31, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 24 hours after a stroke.
34. The method of claim 31, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 1 week after a stroke.
35. The method of claim 31, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 4 weeks after a stroke.
36. The method of any one of claims 29-35, wherein the potassium channel blocker is selected from: dalfampridine, amiodarone, dronedarone, dofetilide, sotalol, ibutilide, azimilide, bretylium, clofilium, E-4031, nifekalant, tedisamil, sematilide, and combinations thereof.
37. The method of any one of claims 29-35, wherein the potassium channel blocker is administered at a dose other than an FDA-approved dose.
38. A method of treating a brain condition comprising
administering to a subject suffering from or who previously suffered from a brain condition, and was administered a potassium channel blocker, an angiotensin (1-7) peptide.
39. The method of claim 38, wherein the brain condition is selected from stroke, vascular dementia, and traumatic brain injury.
40. The method of claim 39, wherein the stroke is either ischemic stroke, hemorrhagic stroke, or a combination thereof.
41. The method of claim 40, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered within 24 hours of a stroke.
42. The method of claim 40, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 24 hours after a stroke.
43. The method of claim 40, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 1 week after a stroke.
44. The method of claim 40, wherein at least one of the angiotensin (1-7) peptide and potassium channel blocker are administered at least 4 weeks after a stroke.
45. The method of any one of claims 38-44, wherein the angiotensin (1-7) peptide is administered via parenteral administration, rectal administration, oral administration, or a combination thereof.
46. The method of claim 45, wherein the parenteral administration is intravenous, subcutaneous, inhalation, intradermal, transdermal, and/or transmucosal administration.
47. The method of claim 38, wherein the angiotensin (1-7) peptide is administered at least once per day.
48. The method of claim 38, wherein the angiotensin (1-7) peptide is administered at an effective dose ranging from about 1-1,000 ug/kg/day.
49. The method of claim 38, wherein the angiotensin (1-7) peptide is administered at an effective dose ranging from about 50-500 ug/kg/day.
50. The method of claim 38, wherein the angiotensin (1-7) peptide is administered at an effective dose ranging from about 1 -60 ug/kg/day.
51. The method of claim 38, wherein the angiotensin (1-7) peptide comprises the naturally-
1 2 3 4 5 6 V occurring Angiotensin (1-7) amino acid sequence of Asp -Arg -Val -Tyr -He -His -Pro (SEQ ID NO: 1).
52. The method of claim 38, wherein the angiotensin (1-7) peptide is a functional equivalent of SEQ ID NO: 1.
53. The method of claim 52, wherein the functional equivalent is a linear peptide.
54. The method of claim 53, wherein the linear peptide comprises a sequence that includes at least four amino acids from the seven amino acids that appear in the naturally-occurring
Angiotensin (1-7), wherein the at least four amino acids maintain their relative positions as they appear in the naturally-occurring Angiotensin (1-7).
55. The method of claim 53, wherein the linear peptide contains 4-25 amino acids.
56. The method of claim 53, wherein the linear peptide is a fragment of the naturally- occurring Angiotensin (1-7).
57. The method of claim 53, wherein the linear peptide contains amino acid substitutions, deletions and/or insertions in the naturally-occurring Angiotensin (1-7).
58. The method of claim 53, wherein the linear peptide has an amino acid sequence of Asp1-
Arg2 Val3-Ser4-Ile5-His6-Cys7 (SEQ ID NO: 2).
59. The method of claim 53, wherein the linear peptide has an amino acid sequence of Ala -
Arg2 Val3-Ser4-Ile5-His6-Cys7 (SEQ ID NO: 3).
60. The method of claim 38, wherein the angiotensin (1-7) peptide comprises one or more chemical modifications to increase protease resistance, serum stability and/or bioavailability.
61. The method of claim 60, wherein the one or more chemical modifications comprise pegylation.
62. The method of claim 38, wherein the angiotensin (1-7) peptide is administered at an effective dose periodically at an administration interval such that at least one sign, symptom and/or feature of a brain condition is reduced in intensity, severity, duration, or frequency or has delayed onset.
63. The method of claim 62, wherein the at least one sign, symptom and/or feature of a brain condition is selected from paralysis, memory loss, pain, seizure, dysphagia, aphasia, dysarthria, ataxia, depression, mood swings, and loss of vision.
64. The method of any one of claims 1, 29 and 38, wherein the at least one angiotensin (1-7) peptide is a non-peptidic angiotensin (1-7) receptor agonist.
65. The method of claim 64, wherein the non-peptidic angiotensin (1-7) receptor agonist is a compound with the following structure:
Figure imgf000009_0001
or a pharmaceutically acceptable salt thereof.
PCT/US2015/039900 2014-07-14 2015-07-10 Methods and compositions for the treatment of stroke WO2016010844A1 (en)

Applications Claiming Priority (2)

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US201462024427P 2014-07-14 2014-07-14
US62/024,427 2014-07-14

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WO2016010844A4 true WO2016010844A4 (en) 2016-03-24

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2005265098B2 (en) * 2004-06-17 2012-02-23 Thrasos Innovation, Inc. TDF-related compounds and analogs thereof
BRPI1103387B1 (en) * 2011-07-21 2022-04-19 Universidade Federal De Minas Gerais PHARMACEUTICAL COMPOSITION FOR THE TREATMENT OF ARTERIAL HYPERTENSION BASED ON THE CO-ADMINISTRATION OF ANTI-HYPERSTENSIVES AND ANGIOTENSIN (1-7) OR OTHER MAS RECEPTOR AGONIST
US8633158B1 (en) * 2012-10-02 2014-01-21 Tarix Pharmaceuticals Ltd. Angiotensin in treating brain conditions
US9333233B2 (en) * 2014-02-25 2016-05-10 Tarix Pharmaceuticals Ltd. Methods and compositions for the delayed treatment of stroke

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