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Generated: July 18, 2019

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Claims for Patent: 10,195,214

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Summary for Patent: 10,195,214
Title:Concomitant administration of glucocorticoid receptor modulators and CYP3A inhibitors
Abstract: Applicant provides methods of treating diseases including Cushing's syndrome and hormone-sensitive cancers by concomitant administration of a glucocorticoid receptor antagonist (GRA) and steroidogenesis inhibitors, and by concomitant administration of a GRA and CYP3A inhibitors. Applicant provides methods of treating diseases including Cushing's syndrome and hormone-sensitive cancers by concomitant administration of mifepristone and ketoconazole. Subjects treated with CYP3A inhibitors or steroidogenesis inhibitors may suffer from toxicity or other serious adverse reactions; concomitant administration of other drugs would be expected to increase the risk of such toxicity and adverse reactions. Applicant has surprisingly found that GRAs may be administered to subjects receiving CYP3A inhibitors or steroidogenesis inhibitors such as ketoconazole without increasing risk adverse reactions; for example, Applicant has found that mifepristone may be concomitantly administered with ketoconazole (a CYP3A inhibitor and a steroidogenesis inhibitor), providing safe concomitant administration of the GRA and ketoconazole. In embodiments, the GRA dose may be reduced.
Inventor(s): Belanoff; Joseph K. (Menlo Park, CA)
Assignee: Corcept Therapeutics, Inc. (Menlo Park, CA)
Application Number:15/627,359
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,195,214
Patent Claims: 1. A method of treating Cushing's syndrome in a patient who is taking an original once-daily dose of 1200 mg or 900 mg per day of mifepristone, comprising the steps of: reducing the original once-daily dose to an adjusted once-daily dose of 600 mg mifepristone, administering the adjusted once-daily dose of 600 mg mifepristone and a strong CYP3A inhibitor to the patient, wherein said strong CYP3A inhibitor is selected from the group consisting of ketoconazole, itraconazole, nefazodone, ritonavir, nelfmavir, indinavir, boceprevir, clarithromycin, conivaptan, lopinavir, posaconazole, saquinavir, telaprevir, cobicistat, troleandomycin, tipranivir, paritaprevir and voriconazole.

2. The method of claim 1, wherein said CYP3A inhibitor is ketoconazole.

3. The method of claim 1, wherein said CYP3A inhibitor is itraconazole.

4. The method of claim 1, wherein said CYP3A inhibitor is clarithromycin.

5. A method of treating symptoms associated with elevated cortisol levels in a patient who is taking an original once-daily dose of 1200 mg or 900 mg per day of mifepristone, comprising the steps of: reducing the original once-daily dose to an adjusted once-daily dose of 600 mg mifepristone, administering the adjusted once-daily dose of 600 mg mifepristone and a strong CYP3A inhibitor to the patient, wherein said strong CYP3A inhibitor is selected from the group consisting of ketoconazole, itraconazole, nefazodone, ritonavir, nelfmavir, indinavir, boceprevir, clarithromycin, conivaptan, lopinavir, posaconazole, saquinavir, telaprevir, cobicistat, troleandomycin, tipranivir, paritaprevir and voriconazole.

6. The method of claim 5, wherein said CYP3A inhibitor is itraconazole.

7. The method of claim 5, wherein said CYP3A inhibitor is ketoconazole.

8. The method of claim 5, wherein said CYP3A inhibitor is clarithromycin.

9. The method of claim 5, wherein said CYP3A inhibitor is itraconazole.

10. A method of controlling hyperglycemia secondary to hypercortisolism in a patient with endogenous Cushing's syndrome who is taking an original once-daily dose of 1200 mg or 900 mg per day of mifepristone, comprising the steps of: reducing the original once-daily dose to an adjusted once-daily dose of 600 mg mifepristone, administering the adjusted once-daily dose of 600 mg mifepristone and a strong CYP3A inhibitor to the patient, wherein said strong CYP3A inhibitor is selected from the group consisting of ketoconazole, itraconazole, nefazodone, ritonavir, nelfmavir, indinavir, boceprevir, clarithromycin, conivaptan, lopinavir, posaconazole, saquinavir, telaprevir, cobicistat, troleandomycin, tipranivir, paritaprevir and voriconazole.

11. The method of claim 10, wherein said CYP3A inhibitor is ketoconazole.

12. The method of claim 10, wherein said CYP3A inhibitor is itraconazole.

13. The method of claim 10, wherein said CYP3A inhibitor is clarithromycin.

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