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1. US20200170972 - METHODS OF TREATING DISEASE WITH DICHLORPHENAMIDE

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Claims

1. A method for administering dichlorphenamide, or a pharmaceutically acceptable salt thereof, to treat a disease chosen from primary hyperkalemic periodic paralysis, primary hypokalemic periodic paralysis, and related variants in a subject in need thereof, wherein the subject is also being administered a therapeutically effective amount of an OCT1 substrate to treat a disease or disorder, the method comprising:
administering to the subject a therapeutically effective amount of dichlorphenamide, or a pharmaceutically acceptable salt thereof,
wherein the therapeutically effective amount of the OCT1 substrate is not adjusted relative to a subject who is being administered the OCT 1 substrate and who is not being administered dichlorphenamide, or a pharmaceutically acceptable salt thereof.
2. A method for administering dichlorphenamide, or a pharmaceutically acceptable salt thereof, to treat a disease chosen from primary hyperkalemic periodic paralysis, primary hypokalemic periodic paralysis, and related variants in a subject in need thereof, the method comprising:
administering to the subject a therapeutically effective amount of dichlorphenamide, or a pharmaceutically acceptable salt thereof,
subsequently determining that the subject is to begin treatment with a therapeutically effective amount of an OCT1 substrate to treat a disease or disorder, and
continuing administration of the therapeutically effective amount of dichlorphenamide, or a pharmaceutically acceptable salt thereof and beginning administration of the OCT1 substrate,
wherein the therapeutically effective amount of the OCT1 substrate is not adjusted relative to a subject who is being administered the OCT 1 substrate and who is not being administered dichlorphenamide, or a pharmaceutically acceptable salt thereof.
3. The method claim 1, further comprising informing the subject or a medical care worker that administering dichlorphenamide, or a pharmaceutically acceptable salt thereof, to a subject who is also taking an OCT1, results in no increase in drug exposure as compared with administering the OCT1 substrate to a patient who is not being administered dichlorphenamide, or a pharmaceutically acceptable salt thereof.
4. The method of claim 1, further comprising informing the patient or a medical care worker that administering dichlorphenamide, or a pharmaceutically acceptable salt thereof to a subject who is also taking an OCT1 substrate, may result in no increased risk of one or more exposure-related adverse reactions than administering the OCT1 substrate to a subject who is not being administered dichlorphenamide, or a pharmaceutically acceptable salt thereof.
5. (canceled)
6. (canceled)
7. (canceled)
8. (canceled)
9. (canceled)
10. (canceled)
11. (canceled)
12. (canceled)
13. (canceled)
14. The method of claim 1, wherein the OCT1 substrate is chosen from ganciclovir, acyclovir, choline, amantadine, verapamil, quinine, cimetidine, dexchlorpheniramine, choline salicylate, rocuronium, phenformin, metformin, thiamine, dopamine, dancuronium, epinephrine, imatinib, norepinephrine, acetylcholine, spermine, spermidine, tubocurarine, buformin, cytarabine, pramipexole, agmatine, lamivudine, nafamostat, and combinations thereof.
15. (canceled)
16. (canceled)
17. (canceled)
18. (canceled)
19. (canceled)
20. The method of claim 1, wherein the therapeutically effective amount of the dichlorphenamide, or a pharmaceutically acceptable salt thereof, is between 25 mg and 200 mg per day.
21. The method of claim 1, wherein the therapeutically effective amount of the dichlorphenamide, or a pharmaceutically acceptable salt thereof, is 50 mg twice daily.
22. The method of claim 1, wherein the dichlorphenamide, or a pharmaceutically acceptable salt thereof, is administered via a titration scheme that comprises the up-titration of the dichlorphenamide, or a pharmaceutically acceptable salt thereof, at weekly intervals until a modified dose is administered.
23. The method of claim 14, wherein the OCT1 substrate is verapamil.
24. The method of claim 2, wherein the OCT1 substrate is verapamil.