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Pimobendan for the reduction of heart size and/or the delay of onset of clinical symptoms in patients with asymptomatic heart failure due to mitral valve disease

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  • Publication Date:
    June 18, 2024
  • Additional Information
    • Patent Number:
      12011,441
    • Appl. No:
      16/131499
    • Application Filed:
      September 14, 2018
    • Abstract:
      Pimobendan is used for reducing the heart size and/or delaying the onset of clinical symptoms in a patient suffering from asymptomatic (occult, preclinical) heart failure, preferably congestive heart failure, due to mitral valve disease (MVD), and/or delaying the onset of heart failure, preferably congestive heart failure, in a patient suffering from asymptomatic (occult, preclinical) heart failure, preferably congestive heart failure, due to mitral valve disease (MVD), wherein the patient is preferably a mammal, more preferably a human, a dog, a cat or a horse, and most preferably a dog.
    • Inventors:
      Boehringer Ingelheim Vetmedica GmbH (Ingelheim am Rhein, DE)
    • Claim:
      1. A method of treating a dog suffering from asymptomatic (occult, preclinical) heart failure due to mitral valve disease (MVD), the method comprising administering to the dog an effective amount of a composition comprising pimobendan to effect a reduction in heart size of an already pathologically enlarged heart of the dog, wherein pimobendan is administered as two doses per day such that the total daily dosage is 0.5 mg/kg bodyweight.
    • Claim:
      2. The method of claim 1 , wherein the asymptomatic (occult, preclinical) heart failure due to mitral valve disease (MVD) is of stage ISACHC (International Small Animal Cardiac Health Council) Class I.
    • Claim:
      3. The method of claim 1 , wherein the pimobendan treatment effects a reduction of the heart size of the dog of at least 5%, wherein the reduction of the heart size is compared to a baseline before pimobendan treatment is initiated.
    • Claim:
      4. The method of claim 1 , wherein the daily pimobendan dose is administered as two doses of 0.25 mg/kg bodyweight.
    • Claim:
      5. The method of claim 1 , wherein pimobendan is administered orally or parenterally.
    • Claim:
      6. The method of claim 1 , wherein pimobendan is administered before, during or after administration of one or more additional active pharmaceutical ingredients selected from the group consisting of ACE inhibitors and diuretics.
    • Claim:
      7. The method of claim 6 , wherein pimobendan is administered concomitantly with benazepril and/or furosemide.
    • Claim:
      8. The method of claim 7 , wherein pimobendan is administered concomitantly with benazepril and furosemide.
    • Claim:
      9. The method of claim 1 , wherein pimobendan is administered orally in the form of a tablet or a capsule.
    • Claim:
      10. The method of claim 2 , wherein the asymptomatic (occult, preclinical) heart failure due to mitral valve disease (MVD) is of stage ISACHC (International Small Animal Cardiac Health Council) Class IA or Class IB, or of stage ISACHC Class IB, NYHA Class I and ACVIM stage B2.
    • Claim:
      11. The method of claim 1 , wherein the dog is suffering from asymptomatic (occult, preclinical) heart failure due to myxomatous mitral valve disease (MMVD).
    • Claim:
      12. The method of claim 3 , wherein the reduction of the heart size of the dog is obtained within 10 to 100 days of treatment with pimobendan.
    • Claim:
      13. The method of claim 3 , wherein the reduction of the heart size of the dog is at least 10%.
    • Claim:
      14. The method of claim 3 , wherein the reduction of the heart size of the dog is obtained within a period of days of about 30 to 40 days of treatment with pimobendan.
    • Claim:
      15. A method of treating a dog suffering from asymptomatic (occult, preclinical) heart failure due to mitral valve disease (MVD), the method comprising administering to the dog an effective amount of a composition comprising pimobendan to effect a reduction in heart size of an already pathologically enlarged heart of the dog, wherein the asymptomatic (occult, preclinical) heart failure due to mitral valve disease (MVD) is of stage ISACHC (International Small Animal Cardiac Health Council) Class IB, wherein pimobendan is administered as two doses per day such that the total daily dosage is 0.5 mg/kg bodyweight.
    • Claim:
      16. The method of claim 15 , wherein each dose of the two doses per day is administered such that the dog receives a dose every 12 hours.
    • Claim:
      17. The method of claim 1 , wherein each dose of the two doses per day is administered such that the dog receives a dose every 12 hours.
    • Claim:
      18. A method of treating a dog suffering from asymptomatic (occult, preclinical) heart failure due to myxomatous mitral valve disease (MMVD), the method comprising administering to the dog an effective amount of a composition comprising pimobendan to effect a reduction in heart size of an already pathologically enlarged heart of the dog and delay the onset of congestive heart failure, wherein the asymptomatic (occult, preclinical) heart failure due to myxomatous mitral valve disease (MMVD) is of ACVIM Stage B2 preclinical myxomatous mitral valve disease (MMVD), wherein pimobendan is administered twice a day such that the total daily dosage is 0.5 mg/kg bodyweight.
    • Claim:
      19. The method of claim 18 , wherein pimobendan is administered to the dog every 12 hours.
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    • Primary Examiner:
      Neagu, Irina
    • Accession Number:
      edspgr.12011441